Fatigue tests are carried out on the parts that have been into service for some time.
用使用过一段时间的零件进行疲劳试验。
The tension overload fatigue tests are carried out, which are corroded under the accelerated corrosion environment in this paper.
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 tests for the ductile fracture toughness and the contact fatigue are also carried out for examining serviceability and durability of austenite-bainite ductile cast iron.
为了考察奥氏体-贝氏体球铁的可靠性和使用寿命，还进行了延性断裂韧度与接触疲劳性能的试验。
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