mechanical fatigue durability 机械疲劳可靠性
Structure of the mount model is modified, and stiffness measurement and fatigue durability test were made to the test piece before and after the modification.
对悬置模型进行结构改进，并对改进前、后的试件进行了刚度测量试验和疲劳寿命试验。
Through test analysis of the specimen (B-car), the fatigue damage theory is proven to be useful in the vehicle durability test.
通过对样车(B车)的试验分析，证明疲劳损伤理论在耐久试验中应用是非常有效。
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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