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A356 합금의 중력 주조/단조와 Rheo-diecasting/단조의 미세조직 및 기계적 특성 비교
이준영 ( Jun Young Lee ),임재용 ( Jae Yong Lim ),이승용 ( Seung Yong Lee ),문성원 ( Seoug Won Moon ),홍준표 ( Chun Pyo Hong ) 한국주조공학회 2013 한국주조공학회지 Vol.33 No.5
Recently, the automotive industry has replaced cast iron to lightweight materials like aluminum for engine efficiency of automobiles and an emission control by government. In this paper we studied two auto parts manufacturing methods using an alloy of A356. That is gravity casting and H-NCM Rheo-diecasting forging. We analyzed the microstructure and mechanical properties for this method. In Microstructure analysis results, H-NCM Rheo-diecasting forging has more finer microstrucre and better forging effect. Resulting in better mechanical properties than gravity forging.