| 高铁车轴用34CrNiMo6钢的热处理工艺 |
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| 引用本文： | 蔡红,叶俭,王丽莲,李响妹. 高铁车轴用34CrNiMo6钢的热处理工艺[J]. 金属热处理, 2012, 37(4): 95-98 |
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| 作者姓名： | 蔡红 叶俭 王丽莲 李响妹 |
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| 作者单位： | 上海市机械制造工艺研究所有限公司,上海200070／上海金属材料改性工程技术研究中心,上海200070 |
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| 基金项目： | 上海市科学技术委员会的资助项目 |
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| 摘 要： | 对高铁车轴用34CrNiMo6钢的热处理工艺进行了试验研究。结果表明,34CrNiMo6钢试样经850℃油淬、680℃回火后,其抗拉强度为829.7 MPa,屈服强度为730.0 MPa,断后伸长率为23.3%,达到高铁车轴要求的力学性能指标,且常温冲击吸收能量为141.7 J,-20℃冲击吸收能量为128.3 J,-40℃冲击吸收能量为121.3 J。
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| 关 键 词： | 34CrNiMo6钢 车轴 高速铁路 热处理 |
Heat treatment process of 34CrNiMo6 steel for high-speed railway axle |
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| CAI Hong,YE Jian,WANG Lilian,LI Xiangmei. Heat treatment process of 34CrNiMo6 steel for high-speed railway axle[J]. Heat Treatment of Metals, 2012, 37(4): 95-98 |
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| Authors: | CAI Hong YE Jian WANG Lilian LI Xiangmei |
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| Affiliation: | 1,2(1.Shanghai Institute of Machine Building Technology Co.,Ltd.,Shanghai 200070,China; 2.Shanghai Engineering Research Center of Metal Materials Modification,Shanghai 200070,China) |
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| Abstract: | The heat treatment process of high-speed railway axle 34CrNiMo6 steel was investigated.The results show that after austenizing at 850 ℃ and oil quenching then tempering at 680 ℃ for the steel specimen,the tensile strength is 829.7 MPa and the yield strength is 730.0 MPa and the elongation reaches 23.3%.It achieves requests of mechanical properties for the high-speed railway.Its normal temperature impact energy is 141.7 J,impact energy(-20 ℃) is 128.3 J and impact energy(-40 ℃) is 121.3 J. |
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| Keywords: | 34CrNiMo6 steel axle high-speed railway heat treatment |
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