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本文测试了热模钢4Cr5MoV1Si的晶粒尺寸和高温塑性。利用计算机回归出了晶粒尺寸与高温脆性间的定量关系式。并探讨了晶粒尺寸对高温塑性的影响。
This paper tests the hot die steel 4Cr5MoV1Si grain size and high temperature plasticity. The quantitative relationship between grain size and high temperature brittleness was obtained by computer. The effect of grain size on high temperature plasticity was also discussed.