fracture surface examination

基本解释

The importance of examination of surface fatigue cracks in automobile repair is stated in this paper, and the features of fatigue fracture are briefly analysed.
论述了表面疲劳裂纹检测在汽车修理中的重要地位，简单分析了疲劳断口的特征，重点讨论了汽车零件表面疲劳裂纹的发生规律及其常见部位。
Fatigue behavior of 304 stainless steel was studied with the ultrasonic fatigue testing, and with scanning electron examination of the fatigue crack fracture surface.
采用超声疲劳试验技术对304不锈钢超高周疲劳性能进行了研究，并用扫描电镜对疲劳断口进行了分析。
The fracture mode and cause were analyzed and determined by fracture surface observation, metallurgical structure examination, chemical analysis and hardness testing.
通过断口宏微观观察、金相组织检查、化学成分及硬度检测等手段确定了叶片断裂性质和原因。