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Finite Element Analysis and Experimental Study About Damage Behavior of Glass by Oblique Impact of Steel Ball
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 Title & Authors
Finite Element Analysis and Experimental Study About Damage Behavior of Glass by Oblique Impact of Steel Ball
Seo, Chang-Min; Kim, Seong-Ho; Kim, Dong-Gyun;
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The damage behavior of soda-lime glass was studied due to a steel ball of 1mm and 2mm at oblique impact test. The thickness of glass specimen were 3mm and 5mm and oblique degrees of impact were 90,70 and 50. After the steel ball impact test, the crack patterns were investigated using a stereo-microscope. In addition, the finite element method was performed to analyze the stresses distribution and variation in the oblique impacted glass by steel ball. As a result of the impact test, the crack length of 90impacted glass was the largest and that of 50impacted glass was the smallest. In particular, as the impact velocity and diameter of the steel ball increased, the difference of crack length was prominent. The finite element analysis showed the maximum principle stresses distribution in contact area of glass specimen. The result of analysis was accorded with the crack growth behavior by the oblique impact test.
Cone Crack;Oblique Impact;Finite Element Method;Particle Impact;
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Journal of Mechanical Science and Technology, 2005. vol.19. 7, pp.1424-1431
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