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혼합모드 하중하에서 제하 컴플라이언스법에 의한 파괴 인성 측정
심재룡,이영숙,김도형,범현규,강기추,Sim, Jae-Ryong,Lee, Yeong-Suk,Kim, Do-Hyeong,Beom, Hyeon-Gyu,Gang, Gi-Chu 대한기계학회 2002 大韓機械學會論文集A Vol.26 No.1
Experimental procedure to measure fracture toughness (J$_{c}$) under mixed mode loading using CTS(Compact Tension-Shear) specimens is described. It\`s loading angle ranges from 0$^{\circ}$ to 45$^{\circ}$ with interval of 157. The general outline of experimental procedure is similar to that of ASTM E8l3-89 fur mode I fracture. Equations fur determining J-integral is quoted from the authors' previous works. The relation between unloading compliance and physical crack size was calibrated. As an example, fracture toughness of aluminum alloy 2024p-7361 was measured and some reasonable results of J$_{c}$ with various loading angles were obtained.