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

被引：1
|
作者：
Maslyuk, V. A.
Mamonova, A. A.
Danilenko, A. I.
机构：
[1] Institute for Problems of Materials Science, National Academy of Sciences of Ukraine, Kiev
来源：
POWDER METALLURGY AND METAL CERAMICS | 2007年 / 46卷 / 7-8期
关键词：
temperature; forging; deformation; imperfection; mechanical properties;
D O I：
10.1007/s11106-007-0060-2
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
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/cm(3) after forging a billet heated to 1100 degrees C. The high strain hardening of chromium steel results from high dispersion of coherent scattering regions.
引用
收藏
页码：385 / 391
页数：7
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