Abstract: A timepiece or piece of jewellery made of a nickel free and cobalt free gold alloy, the composition of which includes by weight between 75% and 77.5% gold, between 1.2 and 1.6% palladium, and between 20.1 and 23.8% copper.

Abstract: This ferritic stainless steel sheet contains, in terms of % by mass, 0.02% or less of C, 0.02% or less of N, 0.10% to 0.60% of Si, 0.10% to 0.80% of Mn, 15.0% to 21.0% of Cr, more than 2.00% to 3.50% or less of Cu, 0.30% to 0.80% of Nb, 1.00% to 2.50% of Mo, and 0.0003% to 0.0030% of B, with a remainder being Fe and unavoidable impurities, wherein a maximum particle size of ?-Cu that is present in a structure is 20 nm to 200 nm.

Abstract: An alloy composition that includes about 1 to about 9 atomic percent aluminum (Al), about 25 to about 33 atomic percent titanium (Ti), about 10 to about 33 atomic percent vanadium (V), about 5 to about 10 atomic percent zirconium (Zr) and about 25 to about 33 atomic percent niobium (Nb).

Abstract: Lead-free solder is characterized in that the lead-free solder contains Ag of 1.2 mass % through 4.5 mass %, Cu of 0.25 mass % through 0.75 mass %, Bi of 1 mass % through 5.8 mass %, Ni of 0.01 mass % through 0.15 mass % and Sn as the remainder. These addition amounts allow to be further improved the common solder properties such as wettability, shear strength properties and the like, in addition to the thermal fatigue resistance.

Abstract: Embodiments herein relate to a heat sink having nano- and/or micro-replication directly embossed in a bulk solidifying amorphous alloy comprising a metal alloy, wherein the heat sink is configured to transfer heat out of the heat sink by natural convection by air or forced convection by air, or by fluid phase change of a fluid and/or liquid cooling by a liquid. Other embodiments relate apparatus having the heat sink. Yet other embodiments relate to methods of manufacturing the heat sink and apparatus having the heat sink.

Abstract: This invention provides a method for recycling residual heat and dust in flue gas during reclaimed copper refining that can be used for recycling of high-temperature residual heat and moderate and low-temperature residual heat with high recycling rate, complete dust recycling and low costs.

Abstract: Welding material for welding of superalloys comprising boron with the range of 0.3-0.8 wt. % B, 0.2-0.8 wt. % C, 17-23 wt. % Cr, 0.35-10 wt. % Mo, 0.1-4.15 wt. % Nb with nickel or iron and impurities to balance for weld repair of engine components manufactured of precipitation hardening superalloys with high content of gamma prime phase at an ambient temperature.

Abstract: A method for forming an object having a three-dimensional target shape, that makes use of a build powder, a support powder and a binder. The build powder is more strongly bound by the binder than is the support powder. The build powder and the support powder are dispensed in a sequence of layers of build powder patterned with support powder that collectively form the three-dimensional shape in build powder, and the binder is applied to the deposited build powder, thereby forming the object of build powder and binder. Finally, the formed object is separated from the support powder.

Abstract: This disclosure relates to a hybrid support system for supporting an object formed by three dimensional printing. In some embodiments, a hybrid support system includes one or more volume support structures, a first volume support structure of the one or more volume support structures being coupled to a base plate and to a first portion of the object. The hybrid support system further includes a partially solidified support structure coupled to a second portion of the object. The hybrid support system further includes one or more reinforcement support structures, a first reinforcement support structure of the one or more reinforcement support structures being coupled to the base plate and to at least one of a portion of the partially solidified support structure and a third portion of the object.

Abstract: A sintered body of silver fine particles for a bonding member to bond components of a semiconductor device, wherein an activation energy for creep of the sintered body of the silver fine particles is from 0.4 to 0.75 times that of an activation energy for a lattice diffusion of bulk silver.

Abstract: A high-strength hot-dip galvanized steel sheet containing a main component, the steel sheet having at least 40 wt. % of ferrite as a main phase in terms of the volumetric ratio, and 8-60% inclusive of residual austenite, the remaining structure comprising one or more of bainite, martensite, or pearlite. Austenite particles within a range where the average residual stress (sigmaR) thereof satisfies the expression ?400 MPa<=sigmaR<=200 MPa (formula (1)) are present in an amount of 50% or more in the hot-dip galvanized steel sheet. The surface of the steel sheet has a hot-dip galvanized layer containing less than 7 wt. % of Fe, the remainder comprising Zn, Al and inevitable impurities.

Abstract: A method of binder jet printing a part includes depositing a layer of a powder on a working surface and selectively printing a binder solution comprising a binder into the layer of powder in a first pattern to generate a printed layer. The pattern is representative of a structure of a layer of the part. The method also includes selectively printing a channel support agent solution comprising a channel support agent into the layer of powder to generate a green body. The channel support agent is selectively printed in a second pattern representative of an internal channel of the part. The method further includes heating the green body part above a first temperature to remove the binder and generate a brown body part and heating the brown body part above a second temperature to sinter the powder to generate the part having the internal channel generated from removal of the channel support agent.

Abstract: In one or more embodiments, a shielding device is provided to shield a bore of a shaft against surface treatment, the shielding device including a sleeve to be at least partially received within the bore, the sleeve defining on its side wall a through-aperture and being of a first cross-sectional dimension when the through-aperture is at a rest position, and a pin to be at least partially received within the sleeve, the sleeve being of a second cross-sectional dimension greater than the first cross-sectional dimension when the through-aperture is at an expanded position with the pin being at least partially received within the sleeve.

Abstract: Provided is a hydrogen storing alloy represented by the general formula: (RE1-a-bSmaMgb)(Ni1-c-dAlcMd)x (where 0.3<a<0.6; 0<b<0.16; 0.1<cx<0.2; 0?dx?0.1; 3.2<x<3.5; RE is at least one element selected from the group consisting of a rare earth element other than Sm, and Y, and essentially contains La; and M is Mn and/or Co). Also provided is a hydrogen storing alloy represented by the general formula: (RE1-a-bSmaMgb)(Ni1-c-dAlcMd)x (where 0.1<a<0.25; 0.1<b<0.2; 0.02<cx<0.2; 0?dx?0.1; 3.6<x<3.7; RE is at least one element selected from the group consisting of a rare earth element other than Sm, and Y, and essentially contains La; and M is Mn and/or Co). Further provided is a nickel-metal hydride rechargeable battery including a negative electrode containing the hydrogen storing alloy.

Abstract: An aluminum alloy that is not sensitive to quenching, for the production of high-strength forged pieces that are low in inherent tension, and high-strength extruded and rolled products, consisting of: 7.0-10.5 wt. % zinc, 1.0-2.5 wt. % magnesium, 0.1-1.15 wt. % copper, 0.06-0.25 wt. % zirconium, 0.02-0.15 wt. % titanium, at most 0.5 wt. % manganese, at most 0.6 wt. % silver, at most 0.10 wt. % silicon, at most 0.10 wt. % iron, at most 0.04 wt. % chrome, and at least one element selected from the group consisting of: hafnium, scandium, strontium and/or vanadium with a summary content of at most 1.0 wt. %. The alloy can also contain contaminants at proportions of at most 0.05 wt. % per element and a total proportion of at most 0.15 wt. %, wherein the remaining component includes aluminum.

Abstract: In one aspect, the invention relates to compositions useful in frangible projectiles, methods of making same, and articles comprising same This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.

Abstract: A method of manufacturing a thermoelectric material comprising: ball-milling a compound comprising a plurality of components, the first component M comprising at least one of a rare earth metal, an actinide, an alkaline-earth metal, and an alkali metal, the second component T comprising a metal of subgroup VIII, and the third component X comprises a pnictogen atom. The compound may be ball-milled for up to 5 hours, and then thermo-mechanically processed by, for example, hot pressing the compound for less than two hours. Subsequent to the thermo-mechanical processing, the compound comprises a single filled skutterudite phase with a dimensionless figure of merit (ZT) above 1.0 and the compound has a composition following a formula of MT4X12.

Abstract: The present invention provides a spot welded joint of at least two steel sheets. At least one of the steel sheets presents yield strength above or equal to 600 MPa, an ultimate tensile strength above or equal to 1000 MPa, uniform elongation above or equal to 15%. The base metal chemical composition includes 0.05?C?0.21%, 4.0?Mn?7.0%, 0.5?Al?3.5%, Si?2.0%, Ti?0.2%, V?0.2%, Nb?0.2%, P?0.025%, B?0.0035%, and the spot welded joint contains a molten zone microstructure containing more than 0.5% of Al and containing a surface fraction of segregated areas lower than 1%, said segregated areas being zones larger than 20 ?m2 and containing more than the steel nominal phosphorus content.

Abstract: There is provided a Ni-based alloy excellent in hot forgeability, high-temperature oxidation resistance, and high-temperature halogen gas corrosion resistance that is suitable as constituent materials, such as a baking tray for chip capacitor, a baking tray for lithium battery cathode material, a CVD apparatus member, a PVD apparatus member, an LCD apparatus member, and a semiconductor manufacturing apparatus member. The Ni-based alloy contains, by weight, 2.0 to 5.0% Al, 0.1 to 2.5% Si, 0.1 to 1.5% Mn, 0.001 to 0.01% B, 0.001 to 0.1% of Zr, and the balance of Ni with inevitable impurities and excels in hot forgeability, high-temperature oxidation resistance, and high-temperature halogen gas corrosion resistance. The Ni-based alloy may further contain 0.8 to 4.0% Cr.

Abstract: There is provided a hot-rolled steel sheet in which a composition contains: in mass %, C: 0.01% to 0.2%; Si: 2.5% or less; Mn: 4.0% or less; P: 0.10% or less; S: 0.03% or less; Al: 0.001% to 2.0%; N: 0.01% or less; O: 0.01% or less; Ti: 0.01 to 0.30%; and the balance being composed of iron and impurities and a structure is composed of by volume fraction, 90% or more of tempered martensite with an average aspect ratio of 2 or less, or 90% or more in total of both tempered martensite and lower bainite.