长期时效对20Cr1Mo1VTiB螺栓钢的组织和力学性能的影响
赵孟雅1, 彭涛1, 赵吉庆2, 杨钢2, 杨滨1(
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Effect of Long-term Aging on Microstructure and Mechanical Properties of 20Cr1Mo1VTiB Bolt Steel
ZHAO Mengya1, PENG Tao1, ZHAO Jiqing2, YANG Gang2, YANG Bin1()
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图1. 20Cr1Mo1VTiB螺栓钢热处理后的组织
Fig.1. The microstructures of 20Cr1Mo1VTiB bolt steel after quenching at 1030℃ for 1 h, and then oil cooling (a) 1030℃×1 h quenching and then oil cooling+720℃×2 h tempering and air cooling; (b) 1030℃×1 h quenching and then oil cooling
