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基于短裂纹的LD10CZ铝合金腐蚀预疲劳裂纹扩展 被引量:19

Fatigue Crack Growth of LD10CZ Aluminum Alloy with Pre-Corrosion Based on Micro-Crack
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摘要 腐蚀疲劳是一种由疲劳应力和腐蚀介质共同引起的材料损伤,利用扫描电子显微镜原位观测技术对于预腐蚀LD10CZ铝合金进行了疲劳试验研究,试验结果表明腐蚀损伤强烈影响铝合金的疲劳裂纹扩展行为。 Corrosion fatigue is a form of damage subjected to combined damage of fatigue stress and corrosive me- dium. Experimental investigations on prior corrosion fatigue cracking behavior of LD10CZ were conducted with the aid of scanning electron microscope (SEM). Results indicate that corrosion damage was important for the fa- tigue cracking behavior of AA LD10CZ.
出处 《海军航空工程学院学报》 2013年第1期47-52,共6页 Journal of Naval Aeronautical and Astronautical University
基金 国家自然科学基金资助项目(11072124)
关键词 疲劳裂纹 铝合金 腐蚀 扫描电子显微镜 fatigue crack aluminum alloy corrosion SEM
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