What's new in finite element modeling of particle reinforced metal matrix composites?

Nikhilesh Chawla, K. K. Chawla

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Finite element modeling and analysis have been used to analyze the behavior of particle reinforced metal matrix composites for a long while. Up until recently, most of this work involved treating particle as a sphere embedded in a metallic matrix. It was soon realized that these models did not account for the microstructural factors that influence the mechanical behavior of the composite material. We provide examples of the use of two-dimensional (2D) and three-dimensional (3D) microstructure-based FEM models that accurately predict the properties of particle reinforced composite materials. We show that 2D models do capture the anisotropy in deformation behavior induced by anisotropy in particle orientation. The experimentally observed dependence of Young's modulus and tensile strength is confirmed by the 2D microstructure-based numerical model. The two-dimensional modeling, however, has its limitations one models only a two-dimensional section of the real, three-dimensional object. For a realistic comparison to actual experimental values is not possible, one must resort to three-dimensional modeling. A serial sectioning process can be used to reproduce and visualize the 3D microstructure of particle reinforced metal matrix composites. The 3D microstructure-based FEM accurately represents the alignment, aspect ratio, and distribution of the particles; and allows visualization and simulation of the material behavior.

Original languageEnglish (US)
Title of host publicationTMS Annual Meeting
Pages293-307
Number of pages15
Volume2006
StatePublished - 2006
Event2006 TMS Annual Meeting - San Antonio, TX, United States
Duration: Mar 12 2006Mar 16 2006

Other

Other2006 TMS Annual Meeting
CountryUnited States
CitySan Antonio, TX
Period3/12/063/16/06

Fingerprint

Chemical elements
Metals
matrix
metal
microstructure
Composite materials
Microstructure
modeling
Anisotropy
Particle reinforced composites
anisotropy
Finite element method
two-dimensional modeling
three-dimensional modeling
Young modulus
Aspect ratio
Numerical models
tensile strength
Tensile strength
Visualization

ASJC Scopus subject areas

  • Geology
  • Metals and Alloys

Cite this

Chawla, N., & Chawla, K. K. (2006). What's new in finite element modeling of particle reinforced metal matrix composites? In TMS Annual Meeting (Vol. 2006, pp. 293-307)

What's new in finite element modeling of particle reinforced metal matrix composites? / Chawla, Nikhilesh; Chawla, K. K.

TMS Annual Meeting. Vol. 2006 2006. p. 293-307.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Chawla, N & Chawla, KK 2006, What's new in finite element modeling of particle reinforced metal matrix composites? in TMS Annual Meeting. vol. 2006, pp. 293-307, 2006 TMS Annual Meeting, San Antonio, TX, United States, 3/12/06.
Chawla N, Chawla KK. What's new in finite element modeling of particle reinforced metal matrix composites? In TMS Annual Meeting. Vol. 2006. 2006. p. 293-307
Chawla, Nikhilesh ; Chawla, K. K. / What's new in finite element modeling of particle reinforced metal matrix composites?. TMS Annual Meeting. Vol. 2006 2006. pp. 293-307
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