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Process for producing pig iron or liquid primary steel products

A process for producing pig iron or liquid primary steel products is provided. Charge materials containing iron ore and, if appropriate, additions are reduced in at least one reduction unit by means of a reducing gas, and at least parts thereof are smelted in a smelting unit, with coal being added and with formation of the reducing gas. Reducing gas from the smelting unit and/or top gas from the reduction unit are/is subjected to cleaning. The process water obtained during the wet cleaning is degassed and in the process volatile organic compounds are removed from the process water.




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Powder metallurgical material, production method and application thereof

This invention relates to power metallurgical material, production method and application thereof. A metallurgy powder material with pressure-proof & good compactness, satisfactory to the component content requirements for 316 stainless steel, wherein, 5˜9% (by weight) of Fe3P (or Fe3PO4). The powder metallurgical material has properties of pressure resistance and corrosion resistance, and excellent compactness.




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Methods for producing silver nanoparticles

An exemplary embodiment of the invention is a method for making silver nanoparticles, and includes steps of reacting a silver salt with a phosphene amino acid to make silver nanoparticles. Exemplary phosphene amino acids include trimers, with a particular example being a trimeric amino acid conjugate containing one phosphene group. In an exemplary method of the invention, the silver nanoparticles may be produced in timer periods of less than about 30 minutes, and at temperatures of less than about 40° C. Other methods of the invention are directed to methods for stabilizing silver nanoparticles.




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Articles containing copper nanoparticles and methods for production and use thereof

Articles containing a matrix material and plurality of copper nanoparticles in the matrix material that have been at least partially fused together are described. The copper nanoparticles are less than about 20 nm in size. Copper nanoparticles of this size become fused together at temperatures and pressures that are much lower than that of bulk copper. In general, the fusion temperatures decrease with increasing applied pressure and lowering of the size of the copper nanoparticles. The size of the copper nanoparticles can be varied by adjusting reaction conditions including, for example, surfactant systems, addition rates, and temperatures. Copper nanoparticles that have been at least partially fused together can form a thermally conductive percolation pathway in the matrix material.




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Process for recycling of steel industry iron bearing by-products, pellet obtained in that process and use thereof

The present invention relates to a process for the recycling of steel industry iron bearing by-products into a shape suitable for feeding into a direct reduction furnace, comprising the steps of mixing and grinding 50 to 99 wt % of ore and pellet fines and 1 to 50 wt % of slurry, mill scale and/or bag house dust, pelletizing the mixture and indurating the pellets so obtained by heating for 5-60 minutes at a temperature in the range of 1100-1350° C.; and a pellet produced from Iron bearing waste material and having compression strength of at least 2.8 kN and/or a drop number of at least 3.




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Highly aromatic compounds and polymers as precursors to carbon nanotube and metal nanoparticle compositions in shaped solids

A method of making metal nanoparticles and carbon nanotubes is disclosed. A mixture of a transition metal compound and an aromatic polymer, a precursor of an aromatic polymer, or an aromatic monomer is heated to form a metal nanoparticle composition, optionally containing carbon nanotubes.




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Nanowire preparation methods, compositions, and articles

Methods of preparing nanowires having small diameters and large lengths are disclosed. Such nanowires are useful in electronics applications.




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Nanowire preparation methods, compositions, and articles

Nanomaterial preparation methods, compositions, and articles are disclosed and claimed. Such methods can provide nanomaterials with improved morphologies relative to previous methods. Such materials are useful in electronic applications.




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Nanowire preparation methods, compositions, and articles

Nanomaterial preparation methods, compositions, and articles are disclosed and claimed. Such methods can provide nanomaterials with improved morphologies relative to previous methods. Such materials are useful in electronic applications.




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Process for recovering valuable metals from precious metal smelting slag

The present invention provides a process for recovering valuable metals from precious metal smelting slag, comprising: smelting the precious metal smelting slag and a flux in a top-blown rotary furnace to produce a lead-bismuth alloy, wherein the precious metal smelting slag comprises Au, Ag, Bi and Pb; electrolyzing the lead-bismuth alloy at a current density ranging from 60 to 110 A/m2 to obtain lead cathode and lead anode slime; refining the lead anode slime to produce bismuth and silver-zinc crust, and extracting gold and silver separately from the silver-zinc crust. Through utilizing a top-blown rotary furnace as the smelting apparatus and adjusting the ratio of the flux, the present invention enriches the valuable metals gold, silver, bismuth, lead or the like to lead-bismuth alloy, ensures lower contents of gold, silver, bismuth and lead in the reducing slag and thereby increases the comprehensive recovery rates of gold, silver, bismuth and lead from the precious metal smelting slag.




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Iron-based sintered alloy, iron-based sintered-alloy member and production process for them

An iron-based sintered alloy of the present invention is an iron-based sintered alloy, which is completed by sintering a powder compact made by press forming a raw material powder composed of Fe mainly, and is such that: when the entirety is taken as 100% by mass, carbon is 0.1-1.0% by mass; Mn is 0.01-1.5% by mass; the sum of the Mn and Si is 0.02-3.5% by mass; and the major balance is Fe. It was found out that, by means of an adequate amount of Mn and Si, iron-based sintered alloys are strengthened and additionally a good dimensional stability is demonstrated. As a result, it is possible to suppress or obsolete the employment of Cu or Ni, which has been believed to be essential virtually, the recyclability of iron-based sintered alloys can be enhanced, and further their cost reduction can be intended.




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Method of making molybdenum-containing targets comprising three metal elements

The invention relates to sputter targets and methods for depositing a layer from a sputter target. The method preferably includes the steps of: placing a sputter target in a vacuum chamber; placing a substrate having a substrate surface in the vacuum chamber; reducing the pressure in the vacuum chamber to about 100 Torr or less; removing atoms from the surface of the sputter target while the sputter target is in the vacuum chamber (e.g., using a magnetic field and/or an electric field). The deposited layer preferably is a molybdenum containing alloy including about 50 atomic percent or more molybdenum, 0.5 to 45 atomic percent of a second metal element selected from the group consisting of niobium and vanadium; and 0.5 to 45 atomic percent of a third metal element selected from the group consisting of tantalum, chromium, vanadium, niobium, and titanium.




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Methods of producing nanoparticle reinforced metal matrix nanocomposites from master nanocomposites

Methods of forming metal matrix nanocomposites are provided. The methods include the steps of introducing a master metal matrix nanocomposite into a molten metal at a temperature above the melting temperature of the master metal matrix nanocomposite, allowing at least a portion of the master metal matrix nanocomposite to mix with the molten metal and, then, solidifying the molten metal to provide a second metal matrix nanocomposite.




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Hydrometalurgical process and apparatus for recovering metals from waste material

The invention is directed to a process and apparatus for recovering metals from bottom ash from incineration plants, such as municipal waste incineration plants. The process includes directing a feed containing ash into an oxidizing unit, wherein at least part of the metals is oxidized in the presence of one or more acids and at least one oxygen donor, thus producing a stream comprising metal ions. From this stream the metals of interest are selected and converted into metallic form.




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Process for production of sintered copper alloy sliding material and sintered copper alloy sliding material

Seizure resistance and wear resistance of Cu—Bi—In copper-alloy sliding material are enhanced by forming a soft phase of as pure as possible Bi. Mixed powder of Cu—In cuprous alloy powder and Cu—Bi containing Cu-based alloy powder is used. A sintering condition is set such that Bi moves outside particles of said Cu—Bi containing Cu-based powder and forms a Bi grain-boundary phase free of In, and In diffuses from said Cu—In containing Cu-based powder to said Cu—Bi containing Cu-based powder.




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Process for producing refractory metal alloy powders

A process for producing refractory metal alloy powders includes the steps of blending at least one powder with at least one solvent and at least one binder to form a slurry; forming a plurality of agglomerates from the slurry; screening the plurality of agglomerates; sintering the plurality of agglomerates; and melting said plurality of agglomerates to form a plurality of homogenous, densified powder particles.




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Process for producing reduced iron pellets, and process for producing pig iron

In a method for producing a reduced iron pellet, when a powder formed article including iron oxide and carbon is heated and reduced in a rotary hearth furnace, a formed article produced using a raw material, in which an average diameter of the iron oxide is 50 microns or less and a ratio of carbon monoxide to carbon dioxide in a reduction zone is from 0.3 to 1, is reduced at a temperature of 1400° C. or less, thereby producing a reduced iron pellet in which a metallization ratio of iron is 50 to 85% and a ratio of residual carbon is 2% or less.




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Nanowire preparation methods, compositions, and articles

Nanomaterial preparation methods, compositions, and articles are disclosed and claimed. Such methods can provide nanomaterials with improved morphologies and reduced nitric oxide co-production relative to previous methods. Such materials are useful in electronic applications.




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Method and apparatus for high temperature production of metals

Carbothermic reduction of magnesium oxide at approximately 2200 degrees Kelvin yields a high temperature mixture of magnesium vapors and carbon monoxide gas. Previous processes have sought to cool or alter the mixture to cause the yield of pure magnesium, which is then used in subsequent processes for its reducing properties. The present invention takes advantage of the stability and inertness of carbon monoxide at elevated temperatures enabling the magnesium vapor/carbon monoxide gas mixture from the carbothermic process to be used directly for the production of other metals at high temperatures. Chromium oxide, manganese oxide, zinc oxide and sulfide, and several other metal compounds can be reduced by the magnesium vapor/carbon monoxide gas mixture at temperatures high enough to prevent the gas mixture from back-reacting to magnesium oxide and carbon.




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Recycling of solids in oxidative pressure leaching of metals using halide ions

The invention provides a recycling step in an oxidative pressure leaching process for recovery of metals using halide ions, in which a portion of the leached solids are recycled back to the feed to the autoclave, to allow two or more passes through the high temperature leaching step.




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Systems and methods for localization of tire pressure monitoring system wheel modules

Embodiments relate to unidirectional TPMS utilizing information from a corresponding vehicle system in order to correlate with vehicle speed information to be used in a tire localization methodology. In an embodiment, the vehicle system is an anti-lock brake system (ABS), and the vehicle speed can be used in a localization scheme that reconstructs a +/−1 g ripple with waveform, amplitude, frequency and phase parameters. Because the waveform is known to be sinusoidal (due to the wheel rotation), the amplitude is known to be 2 g peak-to-peak (due to the gravitational +/−1 g), the frequency depends on vehicle speed (which can be estimated from centrifugal force measurements), and an algorithm is discussed herein for determining the phase by correlation, the +/−1 g ripple can be reconstructed and the wheels localized therefrom.




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Apparatus and method for preparing a tire for mounting

An apparatus is configured to receive a tire having at least two bead portions, including a first bead portion and a second bead portion. The apparatus includes a plurality of members configured to engage the first bead portion of the tire, at least one expander configured to move the plurality of members outward, and a rotating device configured to rotate the plurality of members about an axis of the tire.




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Tire changing machine with automated tire bead pressing devices, controls and methods

Tire changing machines with automated positioning and closed loop control of bead pressing devices are described to maintain and control operation of the bead pressing devices during tire mount and de-mount procedures. Methodology is also disclosed.




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System and method for processing a tire-wheel assembly

An apparatus for processing a tire and a wheel for forming a tire wheel assembly is disclosed. The apparatus includes a tire support member including a first tire support member, a second tire support member and a third tire support member. Each of the first, second and third tire support members include an upper surface and a lower surface. The apparatus includes a plurality of tire engaging devices including a first tire tread engaging post and a second tire tread engaging post. A method for processing a tire and a wheel for forming a tire wheel assembly is also disclosed.




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System and method for processing a tire-wheel assembly

An apparatus for processing a tire and a wheel for forming a tire-wheel assembly is disclosed. The apparatus includes at least one linear mounter sub-station that couples the tire with the wheel for forming the tire-wheel assembly. The apparatus also includes a transporting device that transports one of the wheel and the tire along a linear path that traverses the at least one linear mounter sub-station. The component of the at least one linear mounter sub-station resists, but does not prevent, movement of one of the tire and the wheel relative the other of the tire and the wheel along the linear path in order to spatially manipulate one of the tire and the wheel relative the other of the tire and the wheel in order to at least partially couple the tire with the wheel for forming the tire-wheel assembly. A method is also disclosed.




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System and method for processing a tire-wheel assembly

An apparatus for processing a tire and a wheel for forming a tire wheel assembly is disclosed. The apparatus includes a tire support member including a first tire support member, a second tire support member and a third tire support member. Each of the first, second and third tire support members include an upper surface and a lower surface. The apparatus includes a plurality of tire engaging devices including a first tire tread engaging post and a second tire tread engaging post. A method for processing a tire and a wheel for forming a tire wheel assembly is also disclosed.




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System and method for processing a tire-wheel assembly

An apparatus for processing a tire and a wheel for forming a tire wheel assembly is disclosed. The apparatus includes a tire support member including a first tire support member, a second tire support member and a third tire support member. Each of the first, second and third tire support members include an upper surface and a lower surface. The apparatus includes a plurality of tire engaging devices including a first tire tread engaging post and a second tire tread engaging post. A method for processing a tire and a wheel for forming a tire wheel assembly is also disclosed.




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System and method for processing a tire-wheel assembly

An apparatus for processing a tire and a wheel for forming a tire wheel assembly is disclosed. The apparatus includes a tire support member including a first tire support member, a second tire support member and a third tire support member. Each of the first, second and third tire support members include an upper surface and a lower surface. The apparatus includes a plurality of tire engaging devices including a first tire tread engaging post and a second tire tread engaging post. A method for processing a tire and a wheel for forming a tire wheel assembly is also disclosed.




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System and method for processing a tire-wheel assembly

An apparatus for processing a tire and a wheel for forming a tire wheel assembly is disclosed. The apparatus includes a tire support member including a first tire support member, a second tire support member and a third tire support member. Each of the first, second and third tire support members include an upper surface and a lower surface. The apparatus includes a plurality of tire engaging devices including a first tire tread engaging post and a second tire tread engaging post. A method for processing a tire and a wheel for forming a tire wheel assembly is also disclosed.




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Method for surface inclusions detection, enhancement of endothelial and osteoblast cells adhesion and proliferation, sterilization of electropolished and magnetoelectropolished nitinol surfaces

The method for surface inclusions detection, enhancement of endothelial and osteoblast cells adhesion and proliferation and sterilization of electropolished and magnetoelectropolished Nitinol implantable medical device surfaces uses an aqueous solution of chemical compounds containing halogenous oxyanions as hypochlorite (ClO−) and hypobromite (BrO−) preferentially 6% sodium hypochlorite (NaClO).




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Ultra high strength alloy for severe oil and gas environments and method of preparation

A high strength, corrosion resistant alloy suitable for use in oil and gas environments includes, in weight %: 0-12% Fe, 18-24% Cr, 3-6.2% Mo, 0.05-3.0% Cu, 4.0-6.5% Nb, 1.1-2.2% Ti, 0.05-0.4% 0.05-0.2% Al, 0.005-0.040% C, balance Ni plus incidental impurities and deoxidizers. A ratio of Nb/(Ti+Al) is equal to 2.5-7.5 to provide a desired volume fraction of γ' and γ″ phases. The alloy has a minimum yield strength of 145 ksi.




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Thin gauge steel sheet excellent in surface conditions, formability, and workability and method for producing the same

The present invention provides ultralow carbon thin gauge steel sheet and a method for producing the same where coalescence and growth of inclusions in the molten steel are prevented and the inclusions are finely dispersed in the steel sheet, whereby surface defects and cracks at the time of press forming are prevented, growth of recrystallized grains at the time of continuous annealing is promoted, and a high r value (r value≧2.0) and elongation (total elongation≧50%) are exhibited, that is, ultralow carbon thin gauge steel sheet excellent in surface conditions, formability, and workability comprised of, by mass %, 0.00030.003%≦C≦0.003%, Si≦0.01%, Mn≦0.1%, P≦0.02%, S≦0.01%, 0.0005%≦N≦0.0025%, 0.01%≦acid soluble Ti≦0.07%, acid soluble Al≦0.003%, and 0.002%≦La+Ce+Nd≦0.02% and a balance of iron and unavoidable impurities, said steel sheet characterized by containing at least cerium oxysulfite, lanthanum oxysulfite, and neodymium oxysulfite.




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Method for producing seamless steel pipe for oil wells excellent in sulfide stress cracking resistance

A high-strength seamless steel pipe for oil wells excellent in sulfide stress cracking resistance which comprises, on the percent by mass basis, C: 0.1 to 0.20%, Si: 0.05 to 1.0%, Mn: 0.05 to 1.0%, Cr: 0.05 to 1.5%, Mo: 0.05 to 1.0%, Al: 0.10% or less, Ti: 0.002 to 0.05% and B: 0.0003 to 0.005%, with a value of equation “C+(Mn/6)+(Cr/5)+(Mo/3)” of 0.43 or more, with the balance being Fe and impurities, and in the impurities P: 0.025% or less, S: 0.010% or less and N: 0.007% or less. The seamless steel pipe may contain a specified amount of one or more element(s) of V and Nb, and/or a specified amount of one or more element(s) of Ca, Mg and REM. The seamless steel pipe can be produced at a low cost by adapting an in-line tube making and heat treatment process having a high production efficiency since a reheating treatment for refinement of grains is not required.




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Two step annealing process for TMR device with amorphous free layer

An annealing process for a TMR or GMR sensor having an amorphous free layer is disclosed and employs at least two annealing steps. A first anneal at a temperature T1 of 200° C. to 270° C. and for a t1 of 0.5 to 15 hours is employed to develop the pinning in the AFM and pinned layers. A second anneal at a temperature T2 of 260° C. to 400° C. where T2>T1 and t1>t2 is used to crystallize the amorphous free layer and complete the pinning. An applied magnetic field of about 8000 Oe is used during both anneal steps. The mechanism for forming a sensor with high MR and robust pinning may involve structural change in the tunnel barrier or at an interface between two of the layers in the spin valve stack. A MgO tunnel barrier and a CoFe/CoB free layer are preferred.




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Steel material superior in high temperature characteristics and toughness and method of production of same

A steel material superior in high temperature characteristics and toughness is provided, that is, a steel material containing, by mass %, C: 0.005% to 0.03%, Si: 0.05% to 0.40%, Mn: 0.40% to 1.70%, Nb: 0.02% to 0.25%, Ti: 0.005% to 0.025%, N: 0.0008% to 0.0045%, B: 0.0003% to 0.0030%, restricting P: 0.030% or less, S: 0.020% or less, Al: 0.03% or less, and having a balance of Fe and unavoidable impurities, where the contents of C and Nb satisfy C—Nb/7.74≦0.02 and Ti-based oxides of a grain size of 0.05 to 10 μm are present in a density of 30 to 300/mm2.




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NdFeB system sintered magnet and method for producing the same

Provided is a NdFeB sintered magnet which can be used in the grain boundary diffusion method as a base material in which RH can be easily diffused through the rare-earth rich phase and which itself has a high coercive force, a high maximum energy product and a high squareness ratio, as well as a method for producing such a magnet. A NdFeB system sintered has an average grain size of the main-phase grains magnet is equal to or smaller than 4.5 μm, the carbon content of the entire NdFeB system sintered magnet is equal to or lower than 1000 ppm, and the percentage of the total volume of a carbon rich phase in a rare-earth rich phase at a grain-boundary triple point in the NdFeB system sintered magnet to the total volume of the rare-earth rich phase is equal to or lower than 50%.




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High Al-content steel sheet excellent in workability and method of production of same

The present invention provides a high Al-content steel sheet having an excellent workability and a method of production of the same at a low cost by mass production, a high Al-content metal foil and a method of production of the same, and a metal substrate using a high Al-content metal foil, that is, a high Al-content steel sheet having an Al content of 6.5 mass % to 10 mass %, the high Al-content steel sheet characterized by having one or both of a {222} plane integration of an α-Fe crystal with respect to the surface of the steel sheet of 60% to 95% or a {200} plane integration of 0.01% to 15% and a method of production of the same, a high Al-content metal foil and a method of production of the same, and a metal substrate using a high Al-content metal foil.




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Apparatus and methods for rapid thermal processing

Embodiments of the present invention provide apparatus and methods for performing rapid thermal processing. One embodiment of the present invention provides an apparatus for processing a substrate. The apparatus includes a heating source disposed outside a chamber body and configured to provide thermal energy towards a processing volume. The substrate support defines a substrate supporting plane, and the substrate support is configured to support the substrate in the substrate supporting plane. The heating source includes a frame member having an inner wall surrounding an area large enough to encompass a surface area of the substrate, and a plurality of diode laser tiles mounted on the inner wall of the frame member. Each of the plurality of diode laser tiles is directed towards a corresponding area in the processing volume.




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Processes for preparing valve metal powders, powders prepared thereby and uses therefor

Processes comprising: melting a mixture comprising a valve metal precursor and a diluting agent in at least one first vessel under a first set of temperature and residence time conditions; transferring the mixture to at least one second vessel; and initiating, in the at least one second vessel, a reaction of the valve metal precursor to form a valve metal under a second set of temperature and residence time conditions; valve metal powder prepared thereby and uses therefor.




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Compositions promoting the accelerated degradation of metals and composite materials

A composition to decommission firearms is presented. The composition comprises a monomer, a quantity of calcium chloride; and sulfur-containing compound. The sulfur containing compound includes sodium persulfate and/or sodium thiosulfate.




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Steel sheet for cans with excellent surface properties after drawing and ironing and method for producing the same

A component composition contains, by % by mass, 0.0016 to 0.01% of C, 0.05 to 0.60% of Mn, and 0.020 to 0.080% of Nb so that the C and Nb contents satisfy the expression, 0.4≦(Nb/C)×(12/93)≦2.5. In addition, the amount of Nb-based precipitates is 20 to 500 ppm by mass, the average grain diameter of the Nb-based precipitates is 10 to 100 nm, and the average crystal grain diameter of ferrite is 6 to 10 μm. Nb is added to ultra-low-carbon steel used as a base, and the amount and grain diameter of the Nb-based precipitates are controlled to optimize the pinning effect. Grain refinement of ferrite is achieved by specifying the Mn amount, thereby achieving softening and excellent resistance to surface roughness of steel.




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Bearing steel being excellent both in workability after spheroidizing-annealing and in hydrogen fatigue resistance property after quenching and tempering

Provided is bearing steel excellent in workability after spheroidizing-annealing and in hydrogen fatigue resistance property after quenching and tempering. The bearing steel has a chemical composition containing, by mass %: 0.85% to 1.10% C; 0.30% to 0.80% Si; 0.90% to 2.00% Mn; 0.025% or less P; 0.02% or less S; 0.05% or less Al; 1.8% to 2.5% Cr; 0.15% to 0.4% Mo; 0.0080% or less N; and 0.0020% or less O, which further contains more than 0.0015% to 0.0050% or less Sb, with the balance being Fe and incidental impurities, to thereby effectively suppress the generation of WEA even in environment where hydrogen penetrates into the steel, so as to improve the roiling contact fatigue life and also the workability such as cuttability and forgeability of the material.




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Method for producing metal laminated substrate for oxide superconducting wire, and oxide superconducting wire using the substrate

A metal laminated substrate for an oxide superconducting wire is manufactured such that a non-magnetic metal plate T1 having a thickness of not more than 0.2 mm and a metal foil T2 made of Cu alloy which is formed by cold rolling at a draft of not less than 90% and has a thickness of not more than 50 μm is laminated to each other by room-temperature surface active bonding, after lamination, crystal of the metal foil is oriented by heat treatment at a temperature of not less than 150° C. and not more than 1000° C. and, thereafter, an epitaxial growth film T3 made of Ni or an Ni alloy having a thickness of not more than 10 μm is laminated to the metal foil.




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Trivalent chromium passivation and pretreatment composition and method for zinc-containing metals

Aqueous compositions useful as pretreatments prior to painting and to prevent the formation of white rust in the uncoated condition include an organopolyphosphonic acid or salt thereof, an organosilane, and a trivalent chromium compound. A method for treating a surface of a zinc-containing metal includes contacting the surface with an aqueous composition including an organopolyphosphonic acid or salt thereof, an organosilane, and a trivalent chromium compound. The composition may also include an agent for reducing hydrophilicity, such as a polyacrylic acid. The aqueous composition has been found to be particularly well-suited for treating a zinc-containing metal to passivate the surface, improve paint adhesion, and/or improve corrosion resistance.




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Al—Mg—Zn wrought alloy product and method of its manufacture

An aluminum alloy wrought product including, in wt. %, Mg 3.0 to 7.0, Zn 0.6 to 2.8, Mn 0 to 1.0, Cu 0 to 2.0, Sc 0 to 0.6, at least one element selected from the group of Zr 0.04 to 0.4, Cr 0.04 to 0.4, Hf 0.04 to 0.4 and Ti 0.01 to 0.3; Fe maximum 0.3, Si maximum 0.3, inevitable impurities, and balance aluminum. The range for the Zn-content in wt. % is a function of the Mg-content according to: lower-limit of the Zn-range: [Zn]=0.34[Mg]−0.4, and upper-limit of the Zn-range: [Zn]=0.34[Mg]+0.4.




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Preparation method of nanocrystalline titanium alloy at low strain

Provided is a method of preparing a nanocrystalline titanium alloy at low strain to have better strength. The present invention is characterized in that an initial microstructure is induced as martensites having a fine layered structure, and then a nanocrystalline titanium alloy is prepared at low strain by optimizing process variables through observation of the effects of strain, strain rate, and deformation temperature on the changes in the microstructure.




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Steel for induction hardening, roughly shaped material for induction hardening, producing method thereof, and induction hardening steel part

A steel for an induction hardening including, by mass %, C: more than 0.75% to 1.20%, Si: 0.002 to 3.00%, Mn: 0.20 to 2.00%, S: 0.002 to 0.100%, Al: more than 0.050% to 3.00%, P: limited to 0.050% or less, N: limited to 0.0200% or less, O: limited to: 0.0030% or less, and the balance composing of iron and unavoidable impurities, wherein an Al content and a N content satisfy, by mass %, Al−(27/14)×N>0.050%.




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Galvannealed steel sheet having excellent formability and exfoliation resistance after adhesion and production method thereof

The galvannealed steel sheet includes: a galvannealed layer formed on at least one surface of a steel sheet and contains includes an amount of 0.05 mass % to 0.5 mass % of Al, an amount of 6 mass % of 12 mass % of Fe, and the balance composed of Zn and inevitable impurities; and a mixed layer formed on a surface of the galvannealed layer and includes a composite oxide of Mn, Zn, and P and an aqueous P compound, wherein the composite oxide includes 0.1 mg/m2 to 100 mg/m2 of Mn, an amount of 1 mg/m2 to 100 mg/m2 of P, and Zn, and a P/Mn ratio is 0.3 to 50, and wherein the total size of an area of the mixed layer in which an attached amount of P is equal to or more than 20 mg/m2 is 20% to 80% of a surface area of the mixed layer.




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Hot-rolled steel sheet and method for producing same

Provided is a hot-rolled steel sheet that has a chemical composition including, by mass %: C: 0.060% to 0.150%; Si: 0.15% to 0.70%; Mn: 1.00% to 1.90%; P: 0.10% or less; S: 0.010% or less; Al: 0.01% to 0.10%; N: 0.010% or less; Nb: 0.010% to 0.100%; and the balance including Fe and incidental impurities. The hot-rolled steel sheet has a microstructure containing ferrite of 18 μm or less in average grain size by a volume fraction of at least 75% and pearlite of at least 2 μm in average grain size by a volume fraction of at least 5%, the balance being low-temperature-induced phases, the pearlite having a mean free path of at least 5.0 μm.




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Theft-protection system and device, in particular for open pockets

A system and a device for anti-thief protection, especially for open pockets of trousers, bags and the like, includes a mobile protection strip element (1) to be applied on the pockets hooks (12). The aim is attained by superposing the strip (1) on the pocket (T) and blocking the strip (1) using a plurality of hooks (12) in the form of clips located in the lower part (5) of the strip (1), the strip (1) supported by support elements (G), located in the upper part (2) thereof, which insert or hook in the zone overlying the pocket (T) to be protected.