Special features of formation of structure and properties of low-carbon martensitic steel 12Kh2G2NMFT

被引：0
|
作者：
Kamenskikh, AP [1 ]
Zayats, LT [1 ]
Kleiner, LM [1 ]
Simonov, YN [1 ]
机构：
[1] Perm State Tech Univ, Perm, Russia
来源：
METAL SCIENCE AND HEAT TREATMENT | 2003年 / 45卷 / 3-4期
关键词：
Mechanical Property; Martensite; Ductility; Impact Toughness; Isothermal Condition;
D O I：
10.1023/A:1024507302729
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The structure and mechanical properties of steel 12Kh2G2NMFT after continuous cooling at a rate of 600 - 0.035 K/sec and after cooling with isothermal holds in a temperature range of 300 - 650degreesC are investigated. It is shown that a lath martensite structure with a high level of strength and ductility is formed in a wide range of cooling conditions. The decrease in the impact toughness observed under isothermal conditions in a narrow temperature range below M-i (360 - 410degreesC) is shown to be connected with the processes of tempering of freshly formed isothermal martensite.
引用
收藏
页码：88 / 90
页数：3
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