...金；单边裂纹；微观组织；止裂；电磁热效应[gap=1350]Key words: Al-Mg alloy; unilateral crack; microstructure; crack arrest; electromagnetic heating effect...
基于532个网页-相关网页
In allusion to the outcome gained, we put forward the criterion of crack preventing through stress intensity factor after spanning crack prevention in pipeline with cracks.
针对此结果,提出了用应力强度因子定义的跨越止裂后裂纹止裂的计算判据。
参考来源 - 力学条件对工程管道中脉冲电流跨越止裂的影响The example analysis reveals that slower borehole pressurization gives rise to lower crack initiation and arrest pressure,greater extension of crack arrest time,and longer cracks in the formation.
从相应的算例分析,井眼内气体升压越缓,起裂压力和止裂压力越低,且使止裂时间越推后,能得到较长的岩层裂缝长度。
参考来源 - 高能复合射孔爆生气体作用下预存裂缝起裂扩展研究·2,447,543篇论文数据，部分数据来源于NoteExpress
并对止裂与封闭后的试样进行了有关的检验和测试。
The test pieces with crack enclosed have been detected after the crack preventing.
脉冲放电止裂后，可对带有裂纹的表面进行强化处理。
The experiment shows that fusion welding reinforcement could proceed on the surface with crack of the die after crack arresting.
如何正确合理地确定管材止裂韧性数值是这一问题的关键。
How to accurately determine the line pipe anti-crack toughness value is the key of this problem.
应用推荐