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http://dx.doi.org/10.5228/KSPP.2002.11.4.312

The Effect of Plunger Tip Shape on the Formability in Semi-Solid Die Casting Process  

서판기 (부산대학교 대학원 정밀기계공학과)
손영익 (부산대학교 대학원 정밀기계공학과)
강충길 (부산대학교 기계공학부, 정밀정형 및 금형가공연구소)
Publication Information
Transactions of Materials Processing / v.11, no.4, 2002 , pp. 312-322 More about this Journal
Abstract
In this study, an innovative semi-solid die casting technology to replace heavier cast iron compressor parts with lightweight aluminum castings was proposed, and the application possibility for home-appliance component was investigated. The most important factors regarding the semi-solid die casting process are the reheating process of the raw materials to the semi-solid state, specifications of the forming machine, the optimal injection conditions and die design. Materials used in this study were A3S7 and hSn alloys fabricated by the electromagnetic stirring process. The optimal injection conditions for semi-solid die casting process were Presented with the reheating conditions of the semi-solid materials. To investigate the effect of plunger tip shape on the formability and mechanical properties in semi-solid die casting process for complicated shape part, two kinds of plunger tip shape with long and short plunger tip taper are proposed.
Keywords
Semi-Solid Die Casting; Reheating; Optimal Injection Condition; Plunger Tip Shape;
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