The cleavage facture stress of notched specimen is much higher than that of smooth specimen. 切口试样测得的解理断裂应力明显高于光滑试样。
For notched specimen, the critical event of cleavage fracture determined by ferrite grain size is the propagation of a grain-sized crack into a neighboring grain. 对于缺口试样,铁素体晶粒尺寸对材料的解理断裂起决定性作用,临界事件是:铁素体晶粒尺寸的微裂纹扩展进入相邻的铁素体晶粒中。
Stress and modal analyses of an ultrasonic vibration system, consisting of a notched specimen and one or two amplifying horns have been performed by using 3D finite element calculation. 简述了超声疲劳试验机的工作原理以及应用超声疲劳试验技术研究工程结构材料疲劳裂纹扩展性能的实验方法。 www.jasp.com.cn
词组短语
短语
double -notched specimen 双切口试样
V -notched specimen 型缺口试样
centrally -notched specimen 中心缺口试样
chevron -notched specimen 山形缺口试件
edge -notched disc specimen 边切槽圆盘试样
专业释义
机械工程
缺口试样
切口试样
能源科学技术
缺口试样
At the same time, the precraked specimen presented the characteristics of cleavage in a notched specimen. 同缺口试样具有相同的临界事件。