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Effect of temperatures on impact damage and residual strength of CFRP composite laminates

作     者:Kwang-Hee Im Cheon-Seok Cha Jae-Woung Park Yong-Hun Cha In-Young Yang Jong-An Jung 

作者机构:1Factory Automation Research Center for Parts of Vehicles Chosun University 375 Sosok-dong Dong-gu Kwangju 501-759 Korea 2Department of Mechanical Design Engineering Chosun University 375 Sosok-dong Dong-gu Kwangju 501-759 Korea Department of Automobile Engineering Songwon College 199-1 Kwangcheon-dong Seo-gu Kwangju 502-742 Korea 

出 版 物:《AIP Conference Proceedings》 

年 卷 期:2000年第509卷第1期

页      面:1247-1254页

学科分类:07[理学] 0702[理学-物理学] 

摘      要:In this paper, the effect of temperature variations (low and high temperatures) was experimentally studied on the impact damages of CFRP laminates. Composite laminates used for this experiment are CF/EPOXY orthotropic laminated plates with two-interfaces [06/906]s and [04/904]s, and CF/PEEK orthotropic laminated plates with two-interfaces [06/906]s. A steel ball launched by the air gun collides against CFRP laminates to generate impact damages. With impact-damaged specimens, nondestructive evaluation (NDE) technique, such as a scanning acoustic microscope (SAM) was performed on the delamination-damaged samples to characterize damage growth using the SAM after impact damages according to the temperatures. Therefore, this study aims experimentally to present the interrelations between the impact energy and impact damages (i.e. delamination area and matrix) of CFRP laminates. (CF/EPOXY, CF/PEEK) subjected to FOD (foreign object damages) under low and high temperatures.

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