Thermoelastoplastic analysis of a filamentary metal matrix composite

Heoung Jae Chun, Isaac M. Daniel

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2 Citations (Scopus)

Abstract

The thermoelastoplastic behavior of a unidirectional metal matrix composite (SiC/Al) material was studied with a coaxial cylinder model. The fiber is considered elastic and temperature-independent whereas the matrix is thermoviscoplastic and fitted into a series of power-law strain hardening models. The analysis was based on a successive approximation scheme with the plastic flow rule and von Mises yield criterion. The three-dimensional state of stress in the fiber and matrix was computed for mechanical and thermal loadings. In addition, the stress-strain curves under longitudinal tension at different temperatures and the thermal strain-temperature relation of the composite were predicted and compared with experimental results. The predicted stress-strain curves under longitudinal tension at different temperature showed good agreement with experimental results. The predicted thermal strain-temperature curves in the longitudinal and transverse directions were also in favorable agreement with experimental ones.

Original languageEnglish
Pages (from-to)199-216
Number of pages18
JournalApplied Composite Materials: An International Journal for the Science and Application of Composite Materials
Volume2
Issue number4
DOIs
Publication statusPublished - 1995 Jan 1

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Metals
Composite materials
Stress-strain curves
Temperature
Fibers
Plastic flow
Strain hardening
Hot Temperature

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites

Cite this

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abstract = "The thermoelastoplastic behavior of a unidirectional metal matrix composite (SiC/Al) material was studied with a coaxial cylinder model. The fiber is considered elastic and temperature-independent whereas the matrix is thermoviscoplastic and fitted into a series of power-law strain hardening models. The analysis was based on a successive approximation scheme with the plastic flow rule and von Mises yield criterion. The three-dimensional state of stress in the fiber and matrix was computed for mechanical and thermal loadings. In addition, the stress-strain curves under longitudinal tension at different temperatures and the thermal strain-temperature relation of the composite were predicted and compared with experimental results. The predicted stress-strain curves under longitudinal tension at different temperature showed good agreement with experimental results. The predicted thermal strain-temperature curves in the longitudinal and transverse directions were also in favorable agreement with experimental ones.",
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AB - The thermoelastoplastic behavior of a unidirectional metal matrix composite (SiC/Al) material was studied with a coaxial cylinder model. The fiber is considered elastic and temperature-independent whereas the matrix is thermoviscoplastic and fitted into a series of power-law strain hardening models. The analysis was based on a successive approximation scheme with the plastic flow rule and von Mises yield criterion. The three-dimensional state of stress in the fiber and matrix was computed for mechanical and thermal loadings. In addition, the stress-strain curves under longitudinal tension at different temperatures and the thermal strain-temperature relation of the composite were predicted and compared with experimental results. The predicted stress-strain curves under longitudinal tension at different temperature showed good agreement with experimental results. The predicted thermal strain-temperature curves in the longitudinal and transverse directions were also in favorable agreement with experimental ones.

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