General Mori-Tanaka method for the analysis of effective mechanical properties of ceramic composites reinforced with short-fiber and spherical particle

Dong Mei Luo, Hong Yang, Yi Ying Xiao, Wenxue Wang

Research output: Contribution to journalArticle

Abstract

A theoretical formula (general Mori-Tanaka theory, GMT) combining the Eshelby's inclusion theory with Mori-Tanaka method was derived to analyze the effective mechanical properties of ceramic composites reinforced with short-fiber and spherical particle. The effect of short-fiber and spherical particle on the effective mechanical properties of composites was investigated, and the reliability of the results was verified by the three-dimensional homogenization method (HM), and a good agreement was shown for two methods. The results show that the shapes of inclusions have obvious effect on the effective mechanical properties of ceramic composites, and the short-fiber is prior to the spherical particle to obtain a high longitudinal effective clastic modulus, and to improve the stiffness and strength of multi-phase hybrid ceramic composites. The spherical particle is effective to improve the transverse effective clastic modulus, and to keep the stability of the strength for ceramic composites. The hybrids of inclusions with different shapes arc beneficial to improve the effective mechanical properties of ceramic composites synthetically.

Original languageEnglish
JournalWuhan Ligong Daxue Xuebao/Journal of Wuhan University of Technology
Volume35
Issue number7
DOIs
Publication statusPublished - Jul 1 2013

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Mechanical properties
Fibers
Composite materials
Homogenization method
Stiffness

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering
  • Electrical and Electronic Engineering

Cite this

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title = "General Mori-Tanaka method for the analysis of effective mechanical properties of ceramic composites reinforced with short-fiber and spherical particle",
abstract = "A theoretical formula (general Mori-Tanaka theory, GMT) combining the Eshelby's inclusion theory with Mori-Tanaka method was derived to analyze the effective mechanical properties of ceramic composites reinforced with short-fiber and spherical particle. The effect of short-fiber and spherical particle on the effective mechanical properties of composites was investigated, and the reliability of the results was verified by the three-dimensional homogenization method (HM), and a good agreement was shown for two methods. The results show that the shapes of inclusions have obvious effect on the effective mechanical properties of ceramic composites, and the short-fiber is prior to the spherical particle to obtain a high longitudinal effective clastic modulus, and to improve the stiffness and strength of multi-phase hybrid ceramic composites. The spherical particle is effective to improve the transverse effective clastic modulus, and to keep the stability of the strength for ceramic composites. The hybrids of inclusions with different shapes arc beneficial to improve the effective mechanical properties of ceramic composites synthetically.",
author = "Luo, {Dong Mei} and Hong Yang and Xiao, {Yi Ying} and Wenxue Wang",
year = "2013",
month = "7",
day = "1",
doi = "10.3963/j.issn.1671-4431.2013.07.006",
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issn = "1006-2823",
publisher = "Wuhan University of Technology",
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AU - Luo, Dong Mei

AU - Yang, Hong

AU - Xiao, Yi Ying

AU - Wang, Wenxue

PY - 2013/7/1

Y1 - 2013/7/1

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AB - A theoretical formula (general Mori-Tanaka theory, GMT) combining the Eshelby's inclusion theory with Mori-Tanaka method was derived to analyze the effective mechanical properties of ceramic composites reinforced with short-fiber and spherical particle. The effect of short-fiber and spherical particle on the effective mechanical properties of composites was investigated, and the reliability of the results was verified by the three-dimensional homogenization method (HM), and a good agreement was shown for two methods. The results show that the shapes of inclusions have obvious effect on the effective mechanical properties of ceramic composites, and the short-fiber is prior to the spherical particle to obtain a high longitudinal effective clastic modulus, and to improve the stiffness and strength of multi-phase hybrid ceramic composites. The spherical particle is effective to improve the transverse effective clastic modulus, and to keep the stability of the strength for ceramic composites. The hybrids of inclusions with different shapes arc beneficial to improve the effective mechanical properties of ceramic composites synthetically.

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