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 method of toughness test such as Direct Crack Measurement and Indentation Strength by Bending etc. Are also introduced.
介绍了直接压痕法、弯曲压痕强度法等几种韧性测试方法。
The method of toughness test such as Direct Crack Measurement and Indentation Strength by Bending etc. Are also introduced.
介绍了直接压痕法、弯曲压痕强度法等几种韧性测试方法。
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