Disclosed is a tool system for disposing parts therein that are intended to undergo a thermal treatment, including a plurality of elementary components which can be assembled together, each component being made of a material suitable for its function, in particular blocks made of graphite and beams made of composite material.

This free-cutting copper alloy contains Cu: more than 57.5% but less than 64.5%, Si: more than 0.20% but less than 1.20%, Pb: more than 0.001% but less than 0.20%, Bi: more than 0.10% but less than 1.00%, and P: more than 0.001% but less than 0.20%, with the balance being Zn and unavoidable impurities, wherein the total amount of Fe, Mn, Co and Cr is less than 0.45%, the total amount of Sn and Al is less than 0.45%, relationships of 56.3≤f1=[Cu]−4.8×[Si]+0.5×[Pb]+0.5×[Bi]−0.5×[P]≤59.5 and 0.12≤f2=[Pb]+[Bi]<1.0 are satisfied.

The present disclosure discloses a method for improving fatigue strength of a workpiece (100). The method comprises positioning the workpiece (100) in a punch and die assembly (102). Operating the punch and die assembly (102) one or more times to imprint surface features (2) on a portion of a surface of the workpiece (100), wherein the surface features (2) induces compressive residual stresses at a sub-surface level of the workpiece (100), and improves the fatigue strength of the workpiece (100).

In various embodiments, electronic devices such as touch-panel displays incorporate interconnects featuring a conductor layer and, disposed above the conductor layer, a capping layer comprising an alloy of Cu and one or more refractory metal elements selected from the group consisting of Ta, Nb, Mo, W, Zr, Hf, Re, Os, Ru, Rh, Ti, V, Cr, and Ni.

In various embodiments, electronic devices such as touch-panel displays incorporate interconnects featuring a conductor layer and, disposed above the conductor layer, a capping layer comprising an alloy of Cu and one or more refractory metal elements selected from the group consisting of Ta, Nb, Mo, W, Zr, Hf, Re, Os, Ru, Rh, Ti, V, Cr, and Ni.

A cold rolled steel wire having the following chemical composition expressed in percent by weight, 0.2≤C %≤0.6, 0.5≤Mn %≤1.0, 0.1≤Si≤0.5%, 0.2≤Cr≤1.0%, P≤0.020%, S≤0.015%, N≤0.010%, and optionally not more than 0.07% Al, not more than 0.2% Ni, not more than 0.1% Mo and not more than 0.1% Cu, the balance being iron and the unavoidable impurities due to processing. This wire has a microstructure including bainite and, optionally, up to 35% acicular ferrite and up to 15% pearlite. A fabrication method and flexible conduits for hydrocarbon extraction are also provided.

An apparatus for manufacturing a stress relieved length of steel having an oxidised surface layer includes: a heating chamber; a reaction chamber coupled to the heating chamber; and a conveying mechanism conveying the length of steel along a path through the heating chamber and reaction chamber. The heating chamber includes a heating apparatus arranged to heat the length of steel in a heating portion of the path. The apparatus further includes a control means including a sealed unit defined by the heating chamber and the reaction chamber and arranged to control both the temperature of the length of steel and the atmosphere to which the length of steel is exposed in an oxidisation portion of the path within the reaction chamber in which the oxidised surface layer is formed. A method of manufacturing a stress relieved length of steel having an oxidised surface layer is also disclosed.

A method for heat treating cast aluminum alloy components that includes obtaining a casting formed from an aluminum alloy having a silicon constituent and at least one metal alloying constituent, and heating the casting to a first casting temperature that is below but within 10° C. of a predetermined silicon solution temperature at which the silicon constituent rapidly enters into solid solution. The method also includes increasing the rate of heat input into the casting to raise the temperature of the casting to a second casting temperature that is above but within 10° C. of a predetermined alloying metal solution temperature at which the at least one metal alloying constituent rapidly enters into solid solution, maintaining the casting at the second casting temperature for a period of time that is less than about 20 minutes, and then quenching the casting to a temperature less than or about 250° C.

Disclosed are a high-strength steel bar and a production method therefor. The high-strength steel bar comprises, by mass percentage, the following chemical components: C: 0.15-0.32%, Si+Mn: 0.5-1.9%, Mn+Cr+Mo+Ni: 1.1-2.1%, V: 0.02-0.8%, at least one of Nb, Ti and Al: 0.01-0.3%, and the balance of Fe and inevitable impurities; wherein Mn=(2.5-3.5)Si, and a carbon equivalent satisfies Ceq=C+Mn/6+(Cr+Mo+V)/5+(Cu+Ni)/15≤0.56%.

Provided are a ferritic stainless steel for automotive exhaust systems with improved heat resistance and condensate corrosion resistance and a method for manufacturing the same. The ferritic stainless steel according to an exemplary embodiment of the present invention includes a stainless steel base material comprising, in % by weight, C: 0.01% or less, Si: 0.5 to 1.0%, Mn: 0.5% or less, P: 0.035% or less, S: 0.01% or less, Cr: 11 to 18%, N: 0.013% or less, Ti: 0.15 to 0.5%, Sn: 0.03 to 0.5%, and the remainder of Fe and other inevitable impurities, and an Al-plated layer formed on the stainless steel base material, wherein the ferritic stainless steel comprises a plating compound comprising (Al.sub.19FeMnSi.sub.2).sub.5.31 (Aluminum Iron Manganese Silicide) at an interface between the stainless steel base material and the Al-plated layer.