研究了固溶处理对新型Cr-Ni-Co-Mo马氏体时效不锈钢力学性能的影响.结果表明,在低于1050 ℃固溶处理时钢中存在一些以χ相为主的金属间相,它们不仅严重破坏了钢的韧性,而且使钢在时效处理后的最终强度降低了100 MPa;经1050 ℃固溶处理后钢的基体组织为高密度位错的板条马氏体,此固溶态组织经适当时效处理可以使钢的强度达到1940 MPa,且得到与其高韧性匹配良好的综合力学性能.
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