hot working

hot working

[′hät ¦wərk·iŋ]
(metallurgy)
Plastic deformation of a metal at a rate and temperature such that strain hardening cannot occur.

hot working

The process of forming a metal when its temperature is higher than its recrystallization temperature.
References in periodicals archive ?
During the casting-rolling compound forming process, the hot working character of the cast slab directly affects the final quality of the ring.
With Steel A, hot working was done with a Thermecmastor manufactured by Fuji Electronic Industrial Co., Ltd.
High-speed steel R6M5 GOST 19265-73, 2590-2006 g / k, otozh for hot working subgraphs "and" n / dl., Vol.
Among specific topics are producing primary magnesium by the aluminothermic reduction of magnesia extracted from dolomite ore, the macro-distribution of alloy elements along the thickness of the twin roll cast billet, effects of quenching and partitioning on mechanical properties of a hot-stamping steel, the hot working behavior of casting thermo-span alloy, and the microstructure and properties of tungsten copper composite material.
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Looking in turn at principles, steel, and other metals, they discuss such topics as techniques for modeling microstructure in metal forming processes, recrystallization and grain growth in hot working, modeling phase transformations in steel, determining unified constitutive equations for modeling the hot forming of steel, and aging behavior and microstructure evolution in the processing of aluminum alloys.
RTI International Metals Inc., Niles, Ohio, has pioneered a more efficient way to create titanium ingots with a smaller cross-section, avoiding the hot working step.
It also overcomes many of the problems of conventional clamping systems: long change over time, clamping points in less than ideal positions, hot working area, differing size, shapes and number of moulds.
Stiflingly hot working conditions affect concentration, making workers feel tired and more likely to endanger their own or their colleagues' safety, the TUC warned.
Manly Hospital Branch was forced to take action against extremely hot working conditions, after management repeatedly ignored members' concerns for nurse and patient health and safety.
After an overall introduction to the various thin slab technologies, the main microstructural parameters controlling strength and toughness are described, and the microstructural changes affecting hot working are evaluated in the case of conventional routes.
Soaring temperatures have made for hot working conditions for many of us.