基于可靠度的LY12CZ铝合金预腐蚀剩余强度预测--环境技术 关键字： 腐蚀坑；腐蚀损伤；剩余强度 [gap=915]Key Words： corrosion pit；corrosion damage；residual strength
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corrosion pit depth 腐蚀坑深度
maximum corrosion pit depth 最大腐蚀坑深
pit corrosion 麻点腐蚀 ; [材] 点腐蚀
The stress concentration caused by the corrosion pit was numerically analyzed.
分析了锈蚀坑存在造成钢筋应力分布变化的规律。
The check and the analysis of the pattern of corrosion pit indicated that it was pit corrosion.
对支撑梁蚀坑形貌的检查和分析表明该腐蚀为小孔腐蚀。
The result show that the size of equivalent initial surface crack is less than 19.7to 22.5 percent of surface corrosion pit size which have the same life.
结果发现，把腐蚀坑等效为具有相同寿命的表面裂纹时，等效表面裂纹的尺寸比对应腐蚀的尺寸小19.7% - 22.5%。
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