| 奥氏体不锈钢在MgCl2介质中的应力腐蚀疲劳特征 |
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| 引用本文： | 陈良奭,高学杰,冯淘,刘民治.奥氏体不锈钢在MgCl2介质中的应力腐蚀疲劳特征[J].金属学报,1992,28(5):73-78. |
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| 作者姓名： | 陈良奭 高学杰 冯淘 刘民治 |
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| 作者单位： | 中国科学院金属腐蚀与防护研究所腐蚀科学开放实验室，中国科学院金属腐蚀与防护研究所腐蚀科学开放实验室，中国科学院金属腐蚀与防护研究所腐蚀科学开放实验室，中国科学院金属腐蚀与防护研究所腐蚀科学开放实验室 研究员，沈阳(110015)中国科学院金属腐蚀与防护研究所 |
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| 摘 要： | 本文研究了力学因素对0Cr18Ni9Ti奥氏体不锈钢在MgCl_2水溶液中应力腐蚀(SCC)和腐蚀疲劳(CF)交互作用的影响。研究了应力腐蚀疲劳(SCF)在裂纹扩展规律及断口形貌上的特征。结果表明:任何促使裂尖应变速率提高的力学变量,都有可能使SCF断口形貌发生穿晶型向沿晶型的转化。
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| 关 键 词： | 奥氏体 不锈钢 MgCl2 应力腐蚀疲劳 |
| 收稿时间： | 1992-05-18 |
| 修稿时间： | 1992-05-18 |
SCF FEATURE OF AUSTENITIC STAINLESS STEEL IN BOILING MgCl_2 SOLUTION |
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| CHEN Liangshi,GAO Xuejie,FENG Tao,LIU Minzhi Corrosion Science Laboratory.SCF FEATURE OF AUSTENITIC STAINLESS STEEL IN BOILING MgCl_2 SOLUTION[J].Acta Metallurgica Sinica,1992,28(5):73-78. |
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| Authors: | CHEN Liangshi GAO Xuejie FENG Tao LIU Minzhi Corrosion Science Laboratory |
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| Affiliation: | CHEN Liangshi,GAO Xuejie,FENG Tao,LIU Minzhi Corrosion Science Laboratory,Institute of Corrosion and Protection of Metals,Academia Sinica,Shenyang Correspondent professor,Institute of Corrosion and Protetion of Metals,Academia Sinica,Shenyang |
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| Abstract: | Studies were carried out of the effect of mechanical parameters on the
interaction between stress corrosion cracking and corrosion fatigue, as well as of the feature
of stress corrosion fatigue (SCF) on crack growth rate and fracture surface of 0Cr18Ni9Ti
steel in boiling MgCl_2 solution. Any parameter, that increased the strain rate at crack tip,
tends to promote the change of SCF from transgranular to intergranular mode. |
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| Keywords: | stress corrosion cracking corrosion fatigue crack growth rate cracking mode austenitic stainless steel |
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