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SP시험에 의한 AL6061-T6의 하중속도에 따른 최대강도와 파괴에너지 분석
황인성(Insung Hwang),강혜안(Hyean Kang),이용준(Yongjun Lee),유효선(Hyosun Yu),양성모(Sungmo Yang) 대한기계학회 2013 대한기계학회 춘추학술대회 Vol.2013 No.12
Recently small punch test has been developed to measure the fracture energy. In this paper the maximum load and fracture energy by the load speed have been experimenting with 6061-T6 Al alloys. So we compared them based on the each speed(0.2mm/min, 2mm/min, 20mm/min) using small punch test. Maximum load of 2mm/min increased by 7.5 percent compared to 0.2mm/min and maximum load 20mm/min decreased by 12 percent compared to 2mm/min. In the load speed of 2mm/min, fracture energy was the most excellent of other conditions, but fracture energy was the most poor in the load speed of 20mm/min.