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学科主题: Geochemistry & Geophysics
题名: A generalized mixture rule for estimating the viscosity of solid-liquid suspensions and mechanical properties of polyphase rocks and composite materials
作者: Ji, SC
通讯作者: sji@polymtl.ca
关键词: multiphase composites ; mechanical properties ; generalized mixture rule ; suspensions ; plastic deformation
刊名: JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH
发表日期: 2004
卷: 109, 期:B10, 页:-B10231
收录类别: sci
部门归属: Chinese Acad Sci, Guangzhou Inst Geochem, Lab Marginal Sea Geol, Guangzhou, Peoples R China; Chinese Acad Sci, S China Sea Inst Oceanol, Guangzhou, Peoples R China; Ecole Polytech Montreal, Dept Genies Civil Geol Mines, Montreal, PQ H3C 3A7, Canada
项目归属: 海洋地质
摘要: A simple phenomenological formula is proposed to predict the mechanical properties of isotropic multiphase materials in terms of component properties, volume fractions, and microstructures. The formula is regarded as a generalized mixture rule (GMR) because it works equally well for various mechanical properties ( e. g., Young's modulus, viscosity, hardness, yield, and flow strengths) and for wide ranges of multiphase systems. The GMR can be readily utilized to polyphase systems having either weak-phase supported structure ( e. g., solid-liquid suspensions) or strong-phase supported structure (e.g., porous materials). Various well-known expressions (e.g., Einstein, Roscoe, Voigt, Reuss, and geometrical mean) are special cases of the GMR and can be derived from the master equation using different values of the single microstructural coefficient J. It is believed that the GMR will facilitate further understanding of the statistical effects of arbitrarily complex microstructures ( e. g., phase continuity and connectivity, particle shape, and size distribution) on the overall mechanical properties of composite materials including polymineralic and partially melted rocks. The formula has a particular advantage if it is desired to invert the mechanical data to the volume fractions of the composite constituent phases and microstructure.
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WOS记录号: WOS:000224581000005
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/4780
Appears in Collections:中科院边缘海地质重点实验室_期刊论文

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Ji, SC.A generalized mixture rule for estimating the viscosity of solid-liquid suspensions and mechanical properties of polyphase rocks and composite materials,JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH,2004,109(B10):-B10231
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