| 淬火温度对42CrMo高强度钢应力腐蚀断裂抗力的影响 |
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| 引用本文： | 李光福 褚武扬. 淬火温度对42CrMo高强度钢应力腐蚀断裂抗力的影响[J]. 材料科学与工艺, 1993, 1(4): 17-20 |
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| 作者姓名： | 李光福 褚武扬 |
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| 作者单位： | 哈尔滨工业大学920教研室，哈尔滨工业大学，哈尔滨工业大学，北京科技大学，北京科技大学 副教授 150001 |
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| 摘 要： | 用俄歌能谱和电子显微镜研究了淬火温度对４２ＣｒＭｏ高强度钢在３．５％ＮａＣｌ水溶液中的应力腐蚀断裂性能的影响，结果表明，高温淬火和分级淬火可使应力腐蚀断裂抗力Ｋｉｓ∝值得到明显提高，对晶粒尺寸、杂质贪等因素的分析表明，Ｋｉｓ∝升高的主要原因是晶粒尺寸的增大所致。
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| 关 键 词： | 应力腐蚀 高强度钢 铬锰钢 淬火 |
Effect of Quenching Temperature on Stress Corrosion Cracking Resistance of High Strength Steel 42CrMo |
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| Li Guangfu Wu Rengen Lei Tingquan. Effect of Quenching Temperature on Stress Corrosion Cracking Resistance of High Strength Steel 42CrMo[J]. Materials Science and Technology, 1993, 1(4): 17-20 |
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| Authors: | Li Guangfu Wu Rengen Lei Tingquan |
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| Affiliation: | Li Guangfu Wu Rengen Lei Tingquan (Harbin Institute of Technology) Chu Wuyang Xiao Jimei (University of Science and Technology Beijing) |
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| Abstract: | The effect of quenching temperature on the stress corrosion cracking resistance of high strength steel 42CrMo in 3.5% NaCl aqueous solution has been studied by means of Auger electron spectrum technique and electron microscopy. Results show that both high temperature quenching and step quenching can apparently increase the stress corrosion cracking resistance K_(ISCC). The analyses on grain size, impurity segregation etc revealed that the increase of K_(ISCC) is mainly due to the increase of grain size. |
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| Keywords: | stress corrosion cracking impurity segregation grain size high strength steel |
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