The propagation process of indentation crack in air of different relative humidity(2%,30%,98%) for a poled PZT-5 ferroelectric ceramic was investigated.
在不同湿度(2%、30%、98%)的空气中,研究了极化的锆钛酸铅(PZT-5)铁电陶瓷压痕裂纹在残余应力、电场作用下的滞后扩展。
Domain switching and propagation of an unloaded indentation crack for BaTiO_3 single crystal under residual stress and applied stress in humid air and water have been in situ investigated.
原位研究了残余应力和外加应力导致 BaTiO_3单晶压痕裂纹在湿空气和水中的滞后扩展及畴变。
The experiment of a coupling effect on propagation of unloaded indentation cracks in a PZT-5H ceramic shows that residual stress itself is too small to induce delayed propagation of the indentation crack in silicon oil.
通过在硅油中加恒电场实验,研究了PZT-5H铁电陶瓷Vickers压痕裂纹的扩展行为,探讨了电场、残余应力以及介质间的耦合作用。
Propagation and Environmental Propagation of the Indentation Crack of Ferroelectric Materials;
铁电材料压痕裂纹的开裂与环境开裂
Singular behaviors near crack border in a piezoceramics cylinder with a surface cut;
携表面割痕的压电陶瓷柱体裂纹前缘奇异行为
A coating, the coating- pressure molding of sheet metal, the coating should be visible to the naked eye, cracked concrete and scratches error.
有涂层、层的压型金属板成型后，涂、层不应有肉眼可见的裂纹、落和擦痕等缺陷。
Singular Stress Fields and Fracture for Periodic-Arrayed Indentation(Part Ⅱ:Critical Load for Cracking)
周期阵列压痕奇异应力场与开裂(Part Ⅱ:压痕开裂临界载荷)
In the present work discovering, cutter mark of machining become surfacefatigue crack fountain.
在试验过程中发现 ,疲劳裂纹源多为机加工留在表面的刀痕、划痕。
Fracture Analysis of Piezoelectric Materials with Centric Cracks
中心裂纹压电材料板的断裂问题分析
Crack- A mark found on a wafer that is greater than0.25 mm in length.
裂纹-长度大于0.25毫米的晶圆片表面微痕。
determination of environmental stress cracking(esc)-ball or pin impression method
环境应力破裂(esc)测定-球或针压痕法
Indentation-induced Plasticity,Damage and Fracture in Si and GaAs Single Crystals
压痕诱发GaAs和Si晶体塑性、损伤与断裂
The modified tensile stress crack propagation criterion and influence of cranny hydraulic pressure on crack propagation
修正的拉应力裂纹扩展准则及裂隙水压对裂纹扩展的影响
A line made by pressing, folding, or wrinkling.
皱折一条通过压紧、折叠或起皱纹而形成的线痕
"crease:a line made by pressing, folding, or wrinkling."
皱折:一条通过压紧、折叠或起皱纹而形成的线痕.
Effect of the Water Pressure Inside the Crack on the Fracture Behavior of Concrete Gravity Dam;
裂纹内水压对重力坝断裂特性影响的研究
Prediction of Burst Strength of Oil Well Casing Strings with Micro-Cracks
含微裂纹油井套管的抗内压断裂强度预测
Crack Analysis and Disposal for the Weld of High-Pressure Stainless Steel Pipe in Hydrocracking
加氢裂化高压不锈钢管道焊缝裂纹分析及处理
Effect of in-crack water pressure distribution on the fracture behavior of concrete gravity dams
裂纹内水压分布对重力坝断裂特性的影响
Pressing sheet metal forming, its substrate should be crack.
压型金属板成型后，其基板不应有裂纹。
Analysis on the vibration characteristics of cracked beams subjected to axial force
轴向压力影响下裂纹梁振动特性分析