研究了960℃和1000℃固溶处理后,时效对马氏体沉淀硬化不锈钢0Cr15Ni5Cu2Ti微观组织与力学性能影响.结果表明,采用960℃和1000℃固溶处理,在455~460℃时效冲击值出现最低值,断口表现为准解理;强度和硬度在460℃时效出现峰值.主要与组织中细小富铜相共格析出有关.随着时效温度增加,钢中富铜相长大,强度和硬度也随之降低.
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