Processes of phase instability in high-temperature steels subjected to long-term heating

被引：0
|
作者：
L. V. Tarasenko
V. I. Titov
机构：
[1] N. É. Bauman Moscow State Technical University,
[2] All-Russia Institute for Aircraft Materials (VIAM),undefined
来源：
Metal Science and Heat Treatment | 2005年 / 47卷
关键词：
Corrosion Resistance; Phase Composition; Transport Phenomenon; Impact Toughness; Martensitic Steel;
D O I：
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中图分类号：
学科分类号：
摘要：
The phase composition and properties of martensitic steels of the Fe-C-Cr-Ni-Co-Mo-W-Nb system are studied. The nature of phase instability in long-term heating in the temperature range of 450–600°C is determined. The effect of concentration and kinetic factors on the formation of Laves, α-Cr, and σ-phases is considered. Recommendations are given on prevention of segregation of phases negatively influencing the impact toughness and corrosion resistance of the studied steels.
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页码：538 / 543
页数：5
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