http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
이종섭(J. Lee),김용배(Y. B. Kim),이근안(G. A. Lee),김응주(E. Z. Kim),배동수(D. S .Bae),박준표(J. P. Park),이상목(S. Lee) 한국소성가공학회 2012 한국소성가공학회 학술대회 논문집 Vol.2012 No.10
In this study, Hydro Co-Extrusion Process of Al-Mn/Al-Si hybrid aluminum alloys prepared by electromagnetic duo-casting were investigated. Sleeve of the duo-casted billets is 3003 Al-Mn alloy and core is 4004 Al-Si alloy. It is expected hydrostatic stress during the HCE process enhances formability of materials and minimize any defects in extruded billets due to different material properties between two Al alloys. The duo-casted billet was extruded at temperature of 423K and with extrusion ratio of 5. The effect of the HCE on microstructure of the billet was investigated by an optical microscope.
이영준(Y. J. Lee),김종호(J. H. Kim),박준표(P. J. Park) 한국소성가공학회 2013 한국소성가공학회 학술대회 논문집 Vol.2013 No.10
Clad casting technology essentially liquid or solid / liquid diffusion the interface can be adjusted freely. In addition, the control of the interfacial width and gradient concentration are free, according to the available technology to the material manufacture of customize. Material characteristics for future technologies that are contributing to the improvement. Clad casting alloy metal material as parts of the former step extrusion, rolling, drawing, and the manufacturing process is subjected to intermediate billets and slabs of internal and surface quality of the final product is an important factor in determining. Clad ingot need EMS(Electro Magnetic Stirring) for surface and internal quality improvement.