摘要
探讨了Al_2O_3短纤维/铝合金复合材料经不同循环周次应力疲劳后,残余静拉伸性能与周次的关系,提出了表征材料疲劳损伤的新参量——残余断裂总应变ε_(?),建立疲劳损伤度的一个新定义,并描述了该材料的疲劳损伤过程。
This paper investigates the relation between the residual static tension and number of fatigue cycles of Al_2O_3 short fibre/aluminium alloy composite material, after the which has been subjected to various number of fatigue cycles, and proposes a new parameter, total residual fracture strain ε_r, which can show the fatigue damage of the material. Thus a new definition of fatigue damage is estabished. This paper describes also the process of fatigue damage of this material.
出处
《汽车工艺与材料》
1993年第9期26-28,共3页
Automobile Technology & Material
