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《Journal of Vibration and Shock》 2007-01
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Fang Weifeng,Yu Xiaoqing(Airfield Engineering Department of Xuzhou Air Force Academy,Xuzhou 221000)  
Glass,as lighting material,is widely used in buildings,vehicles,ships,and furniture.But it is a typical kind of brittle material and extremely easy to break.Under impact load,damage forms of glass plate have close relation to the action types of the load,which can be classified into simple break,mixed break and perforation.Here,a glass plate with PVC plate as a backboard is used in shooting-perforation experiments to record perforation forming under the impact load.The Hertz theory is used to calculate the stress distribution of the glass plate under the impact load.The forming mechanism of break cone angles is analyzed.For the double-layered plate consisting of glass and PVC with various thicknesses,the relation between the thickness of glass and break cone angles is described under the same experimental conditions.
【CateGory Index】: O347
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