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对15MnVN钢厚板在500～850℃回火过程中VCN沉淀相的变化及其与力学性能的关系进行了研究;着重讨论了沉淀相的形态、分布及变化规律。
The change of VCN precipitated phase and its relationship with mechanical properties during tempering of 15MnVN steel plate at 500 ~ 850 ℃ were studied. The morphology, distribution and variation of precipitated phase were emphatically discussed.