| 大截面EA4T车轴钢回火工艺对组织和性能的影响 |
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| 引用本文： | 王筑生,梁益龙,吴少斌,梁宇,王绚. 大截面EA4T车轴钢回火工艺对组织和性能的影响[J]. 材料热处理学报, 2012, 33(5): 48-52 |
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| 作者姓名： | 王筑生 梁益龙 吴少斌 梁宇 王绚 |
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| 作者单位： | 1. 首钢贵阳特钢有限责任公司,贵州贵阳,550005
2. 贵州大学材料与冶金学院,贵州贵阳,550003 |
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| 基金项目： | 国家科技支撑计划，贵阳市科技振兴科技计划 |
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| 摘 要： | 通过对国外EA4T车轴钢产品分析及大轴淬火过程模拟,CCT曲线测定,对国产大截面EA4T车轴钢回火热处理工艺进行研究,制定出恰当的回火工艺((910±10)℃淬火、(650±10)℃回火)。通过该热处理工艺实施,国产化EA4T车轴钢力学性能和组织均符合国际先进的车轴标准(EN13261)对材料的要求。
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| 关 键 词： | EA4T车轴钢 回火 性能 |
Effect of tempering process on microstructure and properties of EA4T axle steel |
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| WANG Zhu-sheng,LIANG Yi-long,WU Shao-bin,LIANG Yu,WANG Xuan. Effect of tempering process on microstructure and properties of EA4T axle steel[J]. Transactions of Materials and Heat Treatment, 2012, 33(5): 48-52 |
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| Authors: | WANG Zhu-sheng LIANG Yi-long WU Shao-bin LIANG Yu WANG Xuan |
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| Affiliation: | 1(1.Shougang Guiyang Special Steel Co Ltd,Guiyang 550005,China; 2.School of Materials and Metallurgy,Guizhou University,Guiyang 550003,China) |
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| Abstract: | By analyzing the imported EA4T axle steel product,simulation of quenching process of the axle with large section and measurement CCT curve of the axle steel were carried out,and heat treatment process of home-made EA4T steel was studied.Based on the experiments,the proper heat treatment parameters,which are tempering at 650 ℃ after quenching at 910 ℃,for home-made EA4T steel is determined.Mechanical properties and microstructure of home-made EA4T steel meet the requirement of standard EN13261 well after heat treatment. |
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| Keywords: | EA4T axle steel tempering property |
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