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试验显示 Ｎａ Ｃｌ溶液的存在，其浓度增加及加载频率降低都加快 ０ Ｃｒ１８ Ｎｉ９ 钢在低浓度 Ｎａ Ｃｌ溶液中腐蚀疲劳裂纹的扩展速率。
The results show that the existence of NaCl solution, the increase of its concentration and the decrease of loading frequency all accelerate the rate of corrosion fatigue crack propagation in Cr18Ni9 steel in low concentration NaCl solution.