...ers hardness）1.3 材料的冲击韧性1.3.1 摆锤式一次冲击试验1.3.2 小能量多次冲击试验1.4 材料的断裂韧性（cracking toughness）思考题第2章 金属材料的基础知识2.1 金属的晶体结构2.1.1 晶体与非晶体2.1.2 金属的晶体结构2.1.3 金属的同素异构转变2.1.
基于86个网页-相关网页
Also discussed is the inevitability of the said J55 casing perforation cracking on the basis of result from research concerning perforation safe toughness.
同时还应用射孔安全韧性判据的研究成果，论证了该J 55套管射孔开裂的必然性。
Based on the experiments, the mathematical model of pull-out toughness and buried depth of steel fibers after cracking of matrix is developed in this paper.
本文以实验为基础，建立了砂浆基体裂后钢纤维拔出韧性与纤维埋深的数学模型。
By changing the nolch local ion of Charpy impact test specimens studied the effect of nolch location on toughness and cracking process in multi-layer welds.
通过改变焊缝夏比冲击试样的缺口取向，研究了缺口位向对多层焊缝金属韧性及断裂过程的影响。
应用推荐