Hot working characteristics of steels in austenitic state
作者： H.J. McQueen , S. Yue , N.D. Ryan , E. Fry
DOI: 10.1016/0924-0136(95)01987-P
关键词:
摘要: The behavior of C, HSLA, tool and stainless steels in the austenitic condition during industrial hot forming is reviewed. In constitutive relations, it primarily activation energy which rises with alloy additions. Strain hardening reduced mainly by dynamic recovery as indicated its stress dependence confirmed microscopically steels. Dynamic recrystallization provides additional softening, possible grain refinement enhanced ductility. After deformation, metal undergoes static at longer times to provide reduction any following stage. With rapid cooling, retain either hot-work substructures elongated grains or fine new strengthen product directly through refined ferrite.
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