On the correlation between hardness and tensile strength in particle reinforced metal matrix composites

Y. L. Shen; Nikhilesh Chawla

doi:10.1016/S0921-5093(00)01256-9

On the correlation between hardness and tensile strength in particle reinforced metal matrix composites

Y. L. Shen, Nikhilesh Chawla

Chemical Engineering

Research output: Contribution to journal › Article › peer-review

103 Scopus citations

Abstract

The correlation between macrohardness and tensile strength of particle reinforced metal matrix composites was studied. Contrary to monolithic metals, a simple relationship between hardness and tensile strength was not found. The reinforcement fraction and matrix strength appear to play an important role in influencing the behavior of the composite under hardness and tensile loading conditions. The different loading modes of the tensile test compared to the hardness test, along with the local increase in particle concentration directly underneath the indenter during indentation, result in a significant overestimation of the tensile strength by the hardness test, especially when the matrix strength is relatively low.

Original language	English (US)
Pages (from-to)	44-47
Number of pages	4
Journal	Materials Science and Engineering A
Volume	297
Issue number	1-2
DOIs	https://doi.org/10.1016/S0921-5093(00)01256-9
State	Published - Jan 15 2001

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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abstract = "The correlation between macrohardness and tensile strength of particle reinforced metal matrix composites was studied. Contrary to monolithic metals, a simple relationship between hardness and tensile strength was not found. The reinforcement fraction and matrix strength appear to play an important role in influencing the behavior of the composite under hardness and tensile loading conditions. The different loading modes of the tensile test compared to the hardness test, along with the local increase in particle concentration directly underneath the indenter during indentation, result in a significant overestimation of the tensile strength by the hardness test, especially when the matrix strength is relatively low.",

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AB - The correlation between macrohardness and tensile strength of particle reinforced metal matrix composites was studied. Contrary to monolithic metals, a simple relationship between hardness and tensile strength was not found. The reinforcement fraction and matrix strength appear to play an important role in influencing the behavior of the composite under hardness and tensile loading conditions. The different loading modes of the tensile test compared to the hardness test, along with the local increase in particle concentration directly underneath the indenter during indentation, result in a significant overestimation of the tensile strength by the hardness test, especially when the matrix strength is relatively low.

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On the correlation between hardness and tensile strength in particle reinforced metal matrix composites

Abstract

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