Fracture Behavior of Cyclically Loaded PZT
作者： Grady S. White , Alan S. Raynes , Mark D. Vaudin , Stephen W. Freiman
DOI: 10.1111/J.1151-2916.1994.TB04649.X
关键词: Fracture (geology) 、 Materials science 、 Indentation 、 Composite material
摘要: The fracture behavior of PZT specimens driven at their resonant frequency by the application an ac voltage was investigated and compared with monotonically loaded PZT. Microcracking observed in cyclically specimens; above 150°C, micro-cracks were dispersed small clusters, while T≤ 86°C, microcracks generated a densely populated region near failure site (indentation). Macrocrack growth also demonstrated temperature dependence, crack occurring T > 150°C but not 86°C.
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