亲!您好,很高兴为您解答[开心]。亲材料Q355疲劳S—N曲线SN曲线是以材料标准试件疲劳强度为纵坐标,以疲劳寿命的对数值lg N为横坐标,表示一定循环特征下标准试件的疲劳强度与疲劳寿命之间关系的曲线,也称应力-寿命曲线。在传动系统中,最关键的零件——齿轮,就是一个很好的例子。由于齿轮的形状远...
关键词:起重机;焊接接头试件;拉伸疲劳;扭转疲劳;S-N 曲线 中图分类号:TH215:TG407 文献标识码:A 文章编号:1001-0785(2023)3-0071-06 Abstract: Four stress levels were selected, and uniaxial tension-compression and torsional fatigue tests of Q355 steel base material and test piece of...
Ti强化成本降低至Mg合金强化成本的1/4左右。[关键词]钛微合金化;以钛代沉淀强化;低成本高强钢 Development of low cost Ti micro alloyed Q355~Q420series hot rolling strip ZHANG Yu-wen and YAN Ping (Taneshan Stainlest Sted Co.,LtcO,HEBEI063105/ Abstract The constituents composition,process design ...