| 高强度马氏体钢显微组织对腐蚀行为影响的研究进展 |
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| 作者姓名： | Li Wang Chao-fang Dong Cheng Man Ya-bo Hu Qiang Yu Xiao-gang Li |
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| 作者单位： | 1)Beijing Advanced Innovation Center for Materials Genome Engineering, Key Laboratory for Corrosion and Protection (MOE), Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China |
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| 摘 要： | The high strength martensite steels are widely used in aerospace, ocean engineering, etc., due to their high strength, good ductility and acceptable corrosion resistance. This paper provides a review for the influence of microstructure on corrosion behavior of high strength martensite steels. Pitting is the most common corrosion type of high strength stainless steels, which always occurs at weak area of passive film such as inclusions, carbide/intermetallic interfaces. Meanwhile, the chromium carbide precipitations in the martensitic lath/prior austenite boundaries always result in intergranular corrosion. The precipitation, dislocation and grain/lath boundary are also used as crack nucleation and hydrogen traps, leading to hydrogen embrittlement and stress corrosion cracking for high strength martensite steels. Yet, the retained/reversed austenite has beneficial effects on the corrosion resistance and could reduce the sensitivity of stress corrosion cracking for high strength martensite steels. Finally, the corrosion mechanisms of additive manufacturing high strength steels and the ideas for designing new high strength martensite steel are explored.
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| 关 键 词： | ,,,,,,, |
Effect of microstructure on corrosion behavior of high strength martensite steel—A literature review |
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| Li Wang,Chao-fang Dong,Cheng Man,Ya-bo Hu,Qiang Yu,Xiao-gang Li.Effect of microstructure on corrosion behavior of high strength martensite steel—A literature review[J].International Journal of Minerals,Metallurgy and Materials,2021,28(5):754-773. |
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| Authors: | Li Wang Chao-fang Dong Cheng Man Ya-bo Hu Qiang Yu Xiao-gang Li |
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| Abstract: | The high strength martensite steels are widely used in aerospace, ocean engineering, etc., due to their high strength, good ductility and acceptable corrosion resistance. This paper provides a review for the influence of microstructure on corrosion behavior of high strength martensite steels. Pitting is the most common corrosion type of high strength stainless steels, which always occurs at weak area of passive film such as inclusions, carbide/intermetallic interfaces. Meanwhile, the chromium carbide precipitations in the martensitic lath/prior austenite boundaries always result in intergranular corrosion. The precipitation, dislocation and grain/lath boundary are also used as crack nucleation and hydrogen traps, leading to hydrogen embrittlement and stress corrosion cracking for high strength martensite steels. Yet, the retained/reversed austenite has beneficial effects on the corrosion resistance and could reduce the sensitivity of stress corrosion cracking for high strength martensite steels. Finally, the corrosion mechanisms of additive manufacturing high strength steels and the ideas for designing new high strength martensite steel are explored. |
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| Keywords: | corrosion behavior high strength martensite steel microstructure additive manufacturing |
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