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The effect of Al2O3 nano additions on failure of GFRP plate with two parallel pin loaded holes
Mohammadmahdi Attar,S. Mahdi Ahmadpour,S. Shahin Banisadr,Arash Mohammadi,S. Zahra Mirmoradi,Zohreh Shirazi 대한기계학회 2019 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.33 No.6
The aim of this study is to scrutinize the effect of nano-additions on failure modes and loads of glass-epoxy laminate subjected two parallel pin-loaded holes, experimentally and numerically. Furthermore, the effect of physical and geometrical parameters such as the ratio of free edge distance of laminated composite to holes diameter (e/d) and the ratio of centre to centre distances of holes to holes diameter (M/d) have been investigated. Afterwards, to exactly prognosticate failure modes and the ultimate load obtained from the experimental procedure, a numerical simulation in finite element software was implemented. There have found a close agreement between two methods. It should be acknowledged that after augmenting glass-epoxy laminate with nano-addition Al 2 O 3 , there was seen to be a clear difference between the two samples while the bearing strength of reinforced samples has been improved.