二次马氏体
The results show that the microstructure transforms from temper martensite to temper troostite when the temper temperature is from 300 ℃ to 630 ℃, and the peak of secondary hardening appears at about 520 ℃.
结果表明:H13钢在300℃~630℃温度范围内回火,显微组织经历了由回火马氏体组织向回火托氏体组织的转变过程,在520℃左右出现二次硬化峰。
TEM study of secondary hardening of martensite in high speed steel
高速钢中马氏体二次硬化的TEM研究
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