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강동포(Dongpo Kang),강면규(Myungyu Kang),오개희(Gaehee Oh),박상우(Sangwoo Park),이우식(Woosik Lee),전용(Yong Chun) 한국자동차공학회 2011 한국자동차공학회 부문종합 학술대회 Vol.2011 No.5
Though weight reduction can be allowed by using aluminum control arm, it’s cost is still inferior to that of steel. To get cost reduction, it’s needed to change design concept innovatively such as extrusion direction, joining methods. Through this study, cost effective aluminum control arm was developed by precision extrusion and friction stir welding. and it makes possible cost reduction over 15%.