要进行飞机典型构件的腐蚀疲劳试验和分析，就必须编制飞机载荷-环境谱。
To do Corrosion Fatigue tests and analyses of typical Components of aircraft, the Compilation of aircraft.
在此基础上，建立了腐蚀环境下疲劳裂纹扩展速率试验中裂纹长度的自动检测技术。
On the basis of this, an automatic measurement technique of fatigue crack length in fatigue crack growth rate test under corrosive circumstance is established.
本文对921A钢焊接接头在海水腐蚀环境下受弯曲疲劳载菏作用时表面裂纹扩展规律进行了试验研究。
The propagation of surface cracks in welded connections made of type "921A" steel has been investigated experimentally under bending fatigue load and in the corrosive environment of seawater.
首先用加速腐蚀环境谱对无裂纹试件进行腐蚀试验，然后进行拉伸超载疲劳试验。
The tension overload fatigue tests are carried out, which are corroded under the accelerated corrosion environment in this paper.
目前国内关于材料在腐蚀环境低周疲劳性能研究数据很少，这是由于介质具有腐蚀性，对试验设备、试样、试验环境及人员都有很高要求，试验难度很大，试验成功者廖廖无几。
This is because the mediums are corrosive, which has great requests for test equipments, test specimens, the experimental environment and testers. It is big difficulty to carry out the experiment.
目前国内关于材料在腐蚀环境低周疲劳性能研究数据很少，这是由于介质具有腐蚀性，对试验设备、试样、试验环境及人员都有很高要求，试验难度很大，试验成功者廖廖无几。
This is because the mediums are corrosive, which has great requests for test equipments, test specimens, the experimental environment and testers. It is big difficulty to carry out the experiment.
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