A study of fracture in fiber-reinforced cement-based composites using laser holographic interferometry

B. Mobasher; A. Castro-Montero; S. P. Shah

doi:10.1007/BF02322824

A study of fracture in fiber-reinforced cement-based composites using laser holographic interferometry

B. Mobasher, A. Castro-Montero, S. P. Shah

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

18 Scopus citations

Abstract

Micromechanisms of matrix fracture in Portland cement-based fiber composites were studied by means of reflection holographic interferometry and quantitative image analysis. An experimental investigation was conducted with different volume concentrations of polypropylene fibers. Uniaxial tensile specimens were loaded within a strain range of up to three percent. The deformation history was recorded as interference holograms. The holograms were acquired in an image-analysis system. After enhancement, they were analyzed for crack density, length, opening profile, and spacing. The evolution of microcracks, their propagation, distributed microcracking and the material response beyond the characteristic damage state are also discussed.

Original language	English (US)
Pages (from-to)	286-294
Number of pages	9
Journal	Experimental Mechanics
Volume	30
Issue number	3
DOIs	https://doi.org/10.1007/BF02322824
State	Published - Sep 1990
Externally published	Yes

ASJC Scopus subject areas

Aerospace Engineering
Mechanics of Materials
Mechanical Engineering

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10.1007/BF02322824

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abstract = "Micromechanisms of matrix fracture in Portland cement-based fiber composites were studied by means of reflection holographic interferometry and quantitative image analysis. An experimental investigation was conducted with different volume concentrations of polypropylene fibers. Uniaxial tensile specimens were loaded within a strain range of up to three percent. The deformation history was recorded as interference holograms. The holograms were acquired in an image-analysis system. After enhancement, they were analyzed for crack density, length, opening profile, and spacing. The evolution of microcracks, their propagation, distributed microcracking and the material response beyond the characteristic damage state are also discussed.",

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AU - Shah, S. P.

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N2 - Micromechanisms of matrix fracture in Portland cement-based fiber composites were studied by means of reflection holographic interferometry and quantitative image analysis. An experimental investigation was conducted with different volume concentrations of polypropylene fibers. Uniaxial tensile specimens were loaded within a strain range of up to three percent. The deformation history was recorded as interference holograms. The holograms were acquired in an image-analysis system. After enhancement, they were analyzed for crack density, length, opening profile, and spacing. The evolution of microcracks, their propagation, distributed microcracking and the material response beyond the characteristic damage state are also discussed.

AB - Micromechanisms of matrix fracture in Portland cement-based fiber composites were studied by means of reflection holographic interferometry and quantitative image analysis. An experimental investigation was conducted with different volume concentrations of polypropylene fibers. Uniaxial tensile specimens were loaded within a strain range of up to three percent. The deformation history was recorded as interference holograms. The holograms were acquired in an image-analysis system. After enhancement, they were analyzed for crack density, length, opening profile, and spacing. The evolution of microcracks, their propagation, distributed microcracking and the material response beyond the characteristic damage state are also discussed.

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A study of fracture in fiber-reinforced cement-based composites using laser holographic interferometry

Abstract

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