用透射电子显微分析方法研究了一种Cr-Co-Mo超高强度不锈齿轮(轴承)钢中的强化相,结果证明,钢回火时与M体共格沉淀析出一种密排六方结构Laves(Fe2Mo型)强化相,并和M2C碳化物一起成为二次硬化的原因.
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