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金属基复合材料界面摩擦剪切强度的测试

A MEASURE OF INTERFACIAL FRICTIONAL SHEAR STRENGTH OF MMC

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【作者】 蒋咏秋刘军海吴旭彬

【Author】 JIANG Yongqiu; LIU Jinhai; WU Xubin (Xian Jiaotong University)

【机构】 西安交通大学

【摘要】 用自制的亚微压痕仪测得了一组金属基复合材料的载荷-位移曲线,以决定纤维从基体中拔出时的滑动力.由于试件很薄、可估算得界面摩擦剪切强度.

【Abstract】 The indentation method for measuring the interfacial frictional shear strength in a series of metal matrix composites(MMC)is presented. A microindenter, made by Xian Jiaotong Univerity, is used to apply a force to the end of the single fiber and depress it below the matrix. The relation between the forces and the fiber displacements of MMC varies linearly until a platform reaches, where the sliding force Fs occurs. Then, the interfacial frictional shear strength τf is expressed as τf= Fs / 2πRt, where R and t are radius of single fiber and the thickness of specimen respectively.

【基金】 国家自然科学基金
  • 【文献出处】 材料研究学报 ,CHINESE JOURNAL OF MATERIAL RESEARCH , 编辑部邮箱 ,1994年04期
  • 【分类号】TB331
  • 【下载频次】192
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