The toughening mechanism of ADI was investigated by microstructure analysis and fracture characteristics of the specimens under tensiletest. contact fatigue and stress fatigue.
通过奥贝球铁的单调拉伸加载、接触疲劳和应变疲劳等宏观断裂规律和微观分析，探讨其强韧化机制。
2
The uneven distribution of loading, the clamping damage and the stress concentration were thought to be the three key factors influencing the fatiguetest of steel strand with pulsating tensile load.
受力不均、夹持损伤和应力集中是影响钢绞线脉动拉伸疲劳试验的三个关键问题。
3
The method met the demands of the strength and fatiguetesttensile-press loading apply technique require of complex aircraft structure. Test results demonstrated that …