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Experimental study on the surface/subsurface damage of alumina by nanoindentation

机译：纳米压痕对氧化铝表面/亚表面损伤的实验研究

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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.

机译：氧化铝陶瓷已被广泛使用，例如工具，轴承，研磨材料，火花塞和真空管。机加工的氧化铝组件可能会包含严重影响其性能和可靠性的表面/亚表面损伤。选择氧化铝本体样品来研究表面压痕/地下压痕引起的损伤。用锥形和Berkovich尖端测量各种压痕载荷下的弹性模量。详细分析了弹性模量和压痕引起的载荷和位移的变化。为进一步研究陶瓷的压痕损伤理论奠定基础。

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来源
《国际断裂力学2009年会》|2009年|459-460|共2页
会议地点 Chengdu(CN);Chengdu(CN)
作者
Yumei Bao; Guozhong Chai; Shengting Gu;
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作者单位

The MOE Key Laboratory of Mechanical Manufacture and Automation,Zhejiang University of Technology,Hangzhou 310032,China;

The MOE Key Laboratory of Mechanical Manufacture and Automation,Zhejiang University of Technology,Hangzhou 310032,China;

The MOE Key Laboratory of Mechanical Manufacture and Automation,Zhejiang University of Technology,Hangzhou 310032,China;

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会议组织
原文格式 PDF
正文语种 eng
中图分类
关键词
Surface/subsurface damage; Nanoindentation test; Alumina; Damage characterization;

机译：表面/亚表面损伤;纳米压痕试验;氧化铝;损伤特性;

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2. Rotary Ultrasonic Machining of Alumina Dental Ceramics: A Preliminary Experimental Study on Surface and Subsurface Damages [J] . Yasser Ahmed, W. L. Cong, Matthew R. Stanco Journal of manufacturing science and engineering: Transactions of the ASME . 2012,第6期

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3. Surface and subsurface damages in nanoindentation tests of compound semiconductor InP [J] . Jiwang Yan, Junichi Tamaki, Hongwei Zhao, Journal of Micromechanics and Microengineering . 2008,第10期

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5. Experimental study on the surface/subsurface damage of alumina by nanoindentation [C] . Symposium series on fracture mechanics . 2009

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6. Surface and Subsurface Damages in Rotary Ultrasonic Machining of Ceramics: A Molecular Dynamics Method with Experimental Study [D] . Ahmed, Yasser Hamouda. 2019

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9. Theoretical and Experimental Studies of Radiation Induced Damage to Semiconductor Surfaces and the Effects of This Damage on Semiconductor Device Performance Final Report, 1 Mar. 1964 - 31 Aug. 1968 [R] . Hauser, J. R., Lade, R. W. 1968

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Experimental study on the surface/subsurface damage of alumina by nanoindentation

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