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Strength assessment and bonding study of aluminum short fiber-reinforced gypsum composites
, Article International Journal of Damage Mechanics ; Volume 21, Issue 1 , January , 2012 , Pages 129-149 ; 10567895 (ISSN) ; Sangghaleh, A ; Nazari, A ; Sharif University of Technology
2012
Abstract
In this study, tensile strength of gypsum-based composite with aluminum fibers up to 15 vol.% was studied. To increase the interfacial bond strength between fibers and matrix, aluminum fibers were anodized under different conditions. Single fiber pull-out tests were carried out to investigate the bond strength. The interface was examined by scanning electron microscope. The ability of the composites to withstand longitudinal tensile load was also studied by tensile tests of dog bone-shaped, randomly oriented fiber-reinforced gypsum. By the introduction of aluminum fibers in gypsum as a randomly oriented composite, considerable increment in the strength is achieved and the toughness of the...