Ezperimental study on the surface/subsurface damage of alumina by nanoindentation
Alumina ceramic has been extensively used such as tool,bearing,abrasive material,spark plug and vacuum tube.The machined alumina components may contain such surface/subsurface damages that influence strongly their performance and reliability.The alumina bulk samples are chosen to study the surface/subsurface indentation induced damage by na-noindentaiton.The elastic modulus under various indenting loads are measured with conical and Berkovich tip.The variation of the elastic modulus and indentation induced damage with load and displacement are analyzed in detail.The proposed efforts will be a foundation for further studying the indentation damage theories of the ceramics.
Surface/subsurface damage Nanoindentation test Alumina Damage characterization
Yumei Bao Guozhong Chai Shengting Gu
The MOE Key Laboratory of Mechanical Manufacture and Automation,Zhejiang University of Technology,Hangzhou 310032,China
国际会议
成都
英文
459-460
2009-10-16（万方平台首次上网日期，不代表论文的发表时间）