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J Chin Soc Corr Pro  2009, Vol. 29 Issue (2): 132-136    DOI:
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FATIGUE BEHAVIOR OF ROLLED AZ31B MAGNESIUM ALLOY IN AIR AND NaCl SOLUTION
ZHOU Huamao; WANG Jianqiu; ZHANG Bo; HAN Enhou; ZANG Qishan
State Key Laboratory for Corrosion and Protection;Institute of Metal Research;Chinese Academy of Sciences; Shenyang 110016
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Abstract  

Fatigue crack initiation of rolled AZ31B magnesium alloy in air and NaCl solution was investigated. In air, the cracked second phases were responsible for crack initiation. While in NaCl solution, crack initiated from surface damage which was produced by pit corrosion or filiform corrosion. Increasing Cl- concentration, the crack initiation and propagation in NaCl solutions were enhanced and the fatigue lifetime was decreased.

Key words:  crack initiation      second phase      corrosion pit      magnesium alloy     
Received:  29 May 2007     
ZTFLH: 

TG146

 
Corresponding Authors:  WANG Jianqiu     E-mail:  jiqwang@imr.ac.cn

Cite this article: 

ZHOU Huamao WANG Jianqiu ZHANG Bo HAN Enhou ZANG Qishan. FATIGUE BEHAVIOR OF ROLLED AZ31B MAGNESIUM ALLOY IN AIR AND NaCl SOLUTION. J Chin Soc Corr Pro, 2009, 29(2): 132-136.

URL: 

https://www.jcscp.org/EN/     OR     https://www.jcscp.org/EN/Y2009/V29/I2/132

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