Abstract: The present invention relates to a method for producing a platinum-based alloy powder, the method comprising a heat treatment of a mixed powder containing a platinum-based powder composed of at least one selected from the group consisting of platinum and platinum compound, a platinum group metal-based powder composed of at least one selected from the group consisting of iridium, rhodium, palladium, and compound containing at least one of them, and an alkaline-earth metal compound, wherein specific surface area of the platinum group metal-based powder is 30 m2/g or more and D90 of the mixed powder is 1.0 ?m or less. According to the method for producing a platinum-based alloy powder of the invention, it is possible to produce a platinum-based alloy powder that has a desired particle diameter, also has a sharp particle size distribution, and has high purity and crystallinity.

Abstract: A process and apparatus for thermochemically hardening workpieces is provided incorporating the following steps, carried out in a variable sequence: one or more carburizing steps, each in a carbon-containing gas atmosphere at a pressure of less than 50 mbar, the workpieces being held at temperatures of 900 to 1050° C.; if appropriate, one or more diffusion steps, each in a gas atmosphere at a pressure of less than 100 mbar; and one or more nitriding steps, each in a nitrogen-containing discharge plasma at a pressure of less than 50 mbar, the workpieces being held at temperatures of 800 to 1050° C.

Abstract: A process for producing Co, Al alloyed NdFeB nanoparticles, by a microwave assisted combustion process, followed by a reduction diffusion process, includes the steps of: preparing a first solution of boric acid dissolved in 4 N HNO3, dissolving iron nitrate nonahydrate, neodymium nitrate hexahydrate, cobalt nitrate hexahydrate, aluminium nitrate, the first solution in deionized water to form a second solution, adding glycine to the second solution in a molar ratio of 1:1 to form a third solution, subjecting the third solution to microwave radiation, thereby forming an first powder of NdFeCoAlB oxides, mixing the first powder with calcium hydride in a mass ratio of 1:1.1 (NdFeCoAlB oxides:CaH2) to form a second powder, compacted into a powder block, annealing the second powder in a vacuum furnace, washing the annealed second powder with a solution of ethylenediaminetetraacetic acid; and vacuum drying the second powder.

Abstract: A stainless steel that includes chromium and other alloying element as a plurality of alloying elements including: a base material layer including chromium of a specified chromium content necessary for forming a passive film or more; and a superficial layer including chromium at a lower chromium content than the chromium content contained in the base material layer, and the superficial layer including the other alloying elements at a same content of the other alloying element as the content of the other alloying element contained in the base material layer.

Abstract: A method of producing a refined copper includes depositing the refined copper on a cathode by an electroplating process or an electroless plating process in an alkaline plating bath including a solution of a copper compound that includes none of sulfur, chlorine and oxygen elements and produces copper ions having a valence of +1 in the solution.

Abstract: The modified high-viscosity asphalt has raw materials of a base asphalt mixture, an oil slurry, a rubber modifier, modified petroleum resin, an anti-stripping agent, and carbon black powder. The road asphalt patching tape has good high-temperature performance, excellent wear resistance to wheels, a very high friction coefficient and good low-temperature ductility. The road asphalt patching tape can be closely attached to and effectively repair the diseased road surface. In this way, the road asphalt patching tape is compactly connected to the diseased road surface, which can strengthen the diseased road surface, strengthen the overall strength of the cracked area, and prevent diseases, such as turtle shell-shaped cracks, pitted surfaces or the like, from deteriorating into potholes or the like.

Abstract: A modified bitumen composition used in asphalt-coated roads as a binding raw material having petrocoke, a derivative of carbon based crude oil, and extract, a base oil unit by-product, as additives, and to a method of producing the same. The modified bitumen composition of the invention contains at least 55% by weight of bitumen with a penetration in the range of 40 to 110 as per EN 1426 standard, and 1%-40% by weight of petrocoke with a particle size preferably less than 300 micrometers, and 2% to 5% by weight of extract, a base oil unit by-product, as additives. Determination of the amount of the additives petrocoke and extract to be added to the bitumen, optimum values of such parameters as mixing temperature and mixing rate to distribute in the bitumen homogenously and the conditions at which the modified bitumen may be stored and/or transported without losing its improved properties.

Abstract: Disclosed are nickel alloys for exhaust system components having improved tensile strength, fatigue strength, oxidation resistance, and abrasion resistance at a high temperature condition. A nickel alloy for exhaust system components according to an embodiment is used for exhaust system components of a vehicle engine, the nickel alloy including: 0.01 to 0.2 wt % of C; 0.1 to 1.0 wt % of Si; 0.1 to 1.5 wt % of Mn; 8 to 24 wt % of Cr; 0.1 to 2.5 wt % of Nb; 0.1 to 4.0 wt % of Al; 0.01 to 1 wt % of Co; 0.01 to 5.0 wt % of Mo; 0.01 to 4 wt % of W; 0.1 to 1 wt % of Ta; 0.1 to 2.4 wt % of Ti; 4.0 to 11.0 wt % of Fe; a remainder being Ni; and inevitable impurities.

Abstract: A steel sheet of the present invention has a steel structure obtained by performing a soaking at a dual phase region temperature of Ac1 temperature or higher and lower than Ac3 temperature for a soaking time of 15 seconds or longer and 35 seconds or shorter, next, performing a primary cooling to a temperature range of 250° C. or higher and 380° C. or lower within 3 seconds at a cooling rate of 0.5° C./s or more and 30° C./s or less, and performing a retention in a temperature range of 260° C. or higher and 370° C. or lower for 180 seconds or longer and 540 seconds or shorter, in which a yield ratio is 65% or less and tensile strength is 590 MPa or more after the primary cooling.

Abstract: A steel contains, in a chemical composition, C, Si, Mn, and Al, and contains pearlite as a metallographic structure, and a value obtained by dividing an Mn content in a cementite in the pearlite in terms of at % by an Mn content in a ferrite in the pearlite in terms of at % is higher than 0 and equal to or lower than 5.0.

Abstract: A high-strength cold-rolled steel sheet having excellent ductility and stretch flangeability includes: a chemical composition consisting, in mass %, C: 0.06 to 0.3, Si: 0.6 to 2.5%, Mn: 0.6 to 3.5%, P: at most 0.1%, S: at most 0.05%, Ti: 0 to 0.08%, Nb: 0 to 0.04%, total of Ti and Nb: 0 to 0.10%, sol.Al: 0 to 2.0%, Cr: 0 to 1%, Mo: 0 to 0.3%, V: 0 to 0.3%, B: 0 to 0.005%, Ca: 0 to 0.003%, REM: 0 to 0.003% and the remainder of Fe and impurities; a microstructure having a main phase including at least 40 area % in total of martensite and/or bainite; and a texture in which proportion of an average X-ray intensity in an {100}<011> to {211}<011> orientations relative to an average X-ray intensity of a random structure not having a texture is less than 6.

Abstract: Provided is a thermoelectric conversion material formed from a full Heusler alloy represented by the composition formula: Fe2+?(Ti1??M1?)1??+?(Al1??M2?)1??. M1 represents at least one element selected from the group consisting of V, Nb and Ta, and M2 represents at least one element selected from the group consisting of Group 13 elements except for Al and Group 14 elements. ? satisfies the relation: 0<??0.42, ? satisfies the relation: 0??<0.75, and ? satisfies the relation: 0??<0.5. The valence electron concentration, VEC, satisfies the relation: 5.91?VEC<6.16.

Abstract: Disclosed herein is a high strength special steel including, by weight %: carbon (C): from about 0.1 to 0.5%; silicon (Si): from about 0.1 to 2.3%; manganese (Mn): from about 0.3 to 1.5%; chromium (Cr): from about 1.1 to 4.0%; molybdenum (Mo): from about 0.3 to 1.5%; nickel (Ni): from about 0.1 to 4.0%; vanadium (V): from about 0.01 to 0.50%; boron (B): from about 0.001 to 0.010%; niobium (Nb): from about 0.05 to 0.50%; and the balance of iron (Fe) and inevitable impurities.

Abstract: Disclosed herein is high-strength special steel containing about 0.1 to 0.5 wt % of carbon (C), about 0.1 to 2.3 wt % of silicon (Si), about 0.3 to 1.5 wt % of manganese (Mn), about 1.1 to 4.0 wt % of chromium (Cr), about 0.3 to 1.5 wt % of molybdenum (Mo), about 0.1 to 4.0 wt % of nickel (Ni), about 0.01 to 0.50 wt % of vanadium (V), about 0.05 to 0.50 wt % of titanium (Ti), and the remainder of iron (Fe) and other inevitable impurities.

Abstract: The present disclosure relates to a sulphur containing additive for bitumen paving mixtures. The sulphur containing additive comprises sulphur, a mixture of metal oxides, and optionally 5 at least one metal sulphate. The mixture of metal oxides includes calcium oxide, silicon dioxide, aluminum oxide and ferric oxide.

Abstract: The present heat-resistant tungsten alloy has a first phase containing W as a major component, a second phase having a carbonitride of at least one element of Ti, Zr and Hf and containing the carbonitride as a major component when W is removed, and a third phase having a carbide of at least one element of group 5A elements in the periodic table and containing the carbide as a major component when W is removed, the heat-resistant tungsten alloy having a Vickers hardness of 550 Hv or more at a room temperature, a displacement of 1 mm or more when leading to fracture, as determined in a three point bending test at 1200° C., and a 0.2% proof stress of 900 MPa or more, as determined in the three point bending test at 1200° C.

Abstract: Disclosed is a binder of vegetable origin based on oil, modified vegetable resin and optionally a heat stabilizer. Also disclosed are leakproofing membrane compositions, soundproofing membrane compositions, liquid sealing system compositions, asphalt mix coating compositions, asphalt coating compositions, primer compositions, varnish compositions, mastic compositions, adhesive compositions or binder emulsion compositions which comprise said binder. In addition, a method is disclosed for reducing the amount of bitumen of petroleum origin in said compositions.

Abstract: A steel sheet includes: a base iron; a scale of 10.0 ?m or less in thickness on a surface of the base iron; a subscale between the base iron and the scale. In the subscale, an average value of Cr concentrations is 1.50 mass % to 5.00 mass %, and one part or more exist(s) where a ratio of Cr concentrations between two adjacent measurement regions separate by 1 ?m is 0.90 or less or 1.11 or more in a range of 50 ?m in length in a rolling direction. A percentage of an amount of Ti contained in carbide or carbonitride of 100 nm or more and 1 ?m or less in grain diameter to a parameter Tieff represented by a formula “Tieff=[Ti]?48/14[N]” is 30% or less in which [Ti] denotes a Ti content (mass %) and [N] denotes a N content (mass %).

Abstract: The present invention relates to a, comprising a tubular element (10) with at least one heat-affected zone (14), characterized by a yield strength Rp0.2 in the heat-affected zone (14) of at least 640 MPa and a tensile strength Rm in the heat-affected zone of at least 850 MPa and by at least the tubular element (10) consisting of a steel alloy consisting, in weight percent: C 0.12-0.22% Mn 1.5-2.5% Si 0.45-0.85% Cr ??<1.5% V ?0.04% B 0.0010-0.0040% Ti ??0.02-0.1% und optionally Mo ???0.6%, balance iron and impurities resulting from smelting.

Abstract: A method of making a physical unclonable function (PUF) having magnetic and non-magnetic particles is disclosed. Measuring both magnetic field and image view makes the PUF difficult to counterfeit. PUF may be incorporated into a user-replaceable supply item for an imaging device. A PUF reader may be incorporated into an imaging device to read the PUF. Other methods are disclosed.