| 热处理工艺对ZG15Cr2Mo1钢铸件焊接热影响区性能的影响 |
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| 引用本文： | 张宏凯,陆善平,冯周荣.热处理工艺对ZG15Cr2Mo1钢铸件焊接热影响区性能的影响[J].铸造工程,2014,38(6):1-3. |
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| 作者姓名： | 张宏凯 陆善平 冯周荣 |
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| 作者单位： | 1. 共享集团有限责任公司,宁夏银川,750021
2. 中国科学院金属研究所,辽宁沈阳,110016 |
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| 摘 要： | 针对ZG15Cr2Mo1钢铸件焊接后热影响区硬度过高的问题,通过试块试验对比分析了不同焊后热处理工艺对试块焊接三区硬度及拉伸性能的影响,对铸件本体缺陷修复焊接后采用不同的焊后热处理工艺进行验证,确定了符合力学性能要求的ZG15Cr2Mo1焊后热处理工艺,在保证铸件本体拉伸性能的同时,焊接三区硬度不超过241HBW.
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| 关 键 词： | 铸钢件 焊后热处理 焊接热影响区 |
Effects of Heat Treatment on Mechanical Properties of Welding Heat Affected Zone for ZG15Cr2Mo1 Castings |
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| ZHANG Hongkai,LU Shanping,FENG Zhourong.Effects of Heat Treatment on Mechanical Properties of Welding Heat Affected Zone for ZG15Cr2Mo1 Castings[J].Foundry Engineering,2014,38(6):1-3. |
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| Authors: | ZHANG Hongkai LU Shanping FENG Zhourong |
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| Affiliation: | ZHANG Hongkai, LU Shanping, FENG Zhourong (1. KOCEL Group Co., Ltd., Yinchuan 750021, Ningxia, China; 2. Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, Liaoning, China) |
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| Abstract: | To solve the over hardness of welding heat affected zone for ZG15Cr2Mol castings, the effects of different post welding heat treatment on the hardness of welding three zones and tensile properties of test block were tested and analyzed. The castings after defect repairs in different post welding heat treatment was verified, and the post welding heat treatment process to meet the requirements of mechanical properties for ZG15Cr2Mo l was determined. The tensile properties of castings are ensured, in meanwhile the hardness of welding zone is less than 241HBW. |
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| Keywords: | steel casting post welding heat treatment welding heat affected zone |
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