Effect of fine structure on mechanical properties of hot-forged powder steels

被引：0
|
作者：
V. A. Maslyuk
A. A. Mamonova
A. I. Danilenko
机构：
[1] National Academy of Sciences of Ukraine,Institute for Problems of Materials Science
来源：
Powder Metallurgy and Metal Ceramics | 2007年 / 46卷
关键词：
temperature; forging; deformation; imperfection; mechanical properties;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Comparative analysis of the substructural parameters and mechanical properties of hot-forged steels reveals regular changes in the mechanical characteristics depending on the degree of imperfection. It is shown that higher imperfection at lower forging temperatures of porous billets can increase the strain hardening of particles. The maximum strain hardening of carbon steels is revealed at the maximal structural imperfection and a density of 7.77 g/cm3 after forging a billet heated to 1100°C. The high strain hardening of chromium steel results from high dispersion of coherent scattering regions.
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页码：385 / 391
页数：6
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