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윤태욱(Taewook Yoon),김래형(Raehyug Kim),이문용(Moonyong Lee),이규현(Gyuhyun Lee) 한국자동차공학회 2012 한국자동차공학회 지부 학술대회 논문집 Vol.2012 No.11
This study indicated that development of car body part in using Mg AZ31. Although Mg alloy (AZ31) which consist of HCP structure is hard to form in room temperature, it can be formed in warm temperature more than 200℃. The reason why it can improve forming ability in warm temperature is that non basal slip is activated. Car body part is made up warm press forming die with system of improved non basal slip. Before development of warm press forming system, warm forming die is designed and made up FLD TEST with FLC curve, warm forming analysis with the decrease rate of the thickness. Throughout a various process parameters such as blank temperature in 250℃, forming speed 10mm/sec and BHF 1ton so on, the optimized process condition and the design specification result in. Throughout the result of this study, the development technology of car body part is considered.
윤태욱(Taewook Yoon),김래형(Raehyug Kim),이문용(Munyong Lee),이규현 한국자동차공학회 2013 한국자동차공학회 부문종합 학술대회 Vol.2013 No.5
This study indicated that development of car body part in using Mg AZ31. Although Mg alloy (AZ31) which consist of HCP structure is hard to form in room temperature, it can be formed in warm temperature more than 200℃. The reason why it can improve forming ability in warm temperature is that non basal slip is activated. Car body part is made up warm press forming die with system of improved non basal slip. Before development of warm press forming system, warm forming die is designed and made up FLD TEST with FLC curve, warm forming analysis with the decrease rate of the thickness. Throughout a various process parameters such as blank temperature in 250℃, forming speed 10mm/sec and BHF 10ton so on, the optimized process condition and the design specification result in. Throughout the result of this study, the development technology of car body part is considered.