The crack formation of thermal shock fatigue is related to the nucleation, growth and join of microvoid.
热冲击疲劳裂纹的形成与微孔洞的形核、长大和连通有关。
The fatigue fracture characteristics were fatigue striation, ductile microvoid, and quasi-cleavage-like fracture characteristic.
疲劳断裂特征为疲劳条纹、韧窝及类似准解理状形貌特征。
We also found that the opacity was the symbol of the the formation of microvoid which advanced the shrinkage control effect of sample.
另外，试样的不透明度可以揭示收缩控制的效果，不透明的试样表明其中有微孔形成。
By analysis of the features of microvoid machining of stainless steel and the main relative factors, this thesis sums up a simple and viable machining method.
针对不锈钢微小孔加工的特点，对整个加工过程中主要相关因素进行了分析，总结出了一种较简便的，切实可行的不锈钢微小孔加工方法。
The results show a certain time thermal cycle can cause the fracture mechanism change. It varies from original pure shear fracture to microvoid coalescence fracture gradually.
结果表明，一定时间的热循环会造成LF6铝合金焊接接头断裂机理的改变，由未经热循环时的纯剪切型断裂，逐渐过渡成微孔聚集型断裂。
The microscopic statistical analyses and the mechanical tests show that the rock microvoid and grains distribution are all fractal in nature, and can be expressed by their fractal dimensions.
研究了大同燕子山煤层顶板岩石的显微空隙、粒度分布的分形特征及其与岩石强度的关系。
Using acrylate as monomer, divinyl benzene as crosslinking agent, chloroform as microvoid agent, acrylate resin was synthesized by means of suspension polymerization. It had low crosslinking density.
以丙烯酸酯为单体，二乙烯基苯为交联剂，三氯甲烷为致孔剂，采用悬浮聚合法合成了轻度交联的多孔丙烯酸酯类吸油树脂。
Using acrylate as monomer, divinyl benzene as crosslinking agent, chloroform as microvoid agent, acrylate resin was synthesized by means of suspension polymerization. It had low crosslinking density.
以丙烯酸酯为单体，二乙烯基苯为交联剂，三氯甲烷为致孔剂，采用悬浮聚合法合成了轻度交联的多孔丙烯酸酯类吸油树脂。
应用推荐