期刊
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART B-JOURNAL OF ENGINEERING MANUFACTURE
卷 222, 期 9, 页码 1083-1095出版社
PROFESSIONAL ENGINEERING PUBLISHING LTD
DOI: 10.1243/09544054JEM1120
关键词
semi-solid processing; electromagnetic stirring; solid fraction; forming velocity
资金
- National Core Research Center (NCRC) programme
This study demonstrates the forming process of a semi-solid material with a solid fraction of about 45 per cent after the primary alpha-Al particle in the semi-solid material is globularized during solidification by electromagnetically stirring the molten metal poured out into the sleeve. By theological forming experiments incorporating electromagnetic stirring (EMS) using A16061 alloy, the process parameters are optimized to be of 0.3 m/s of forming velocity, 45 MPa of forming pressure, 10 s of stirring time, and 30 A of stirring current to get the best quality. The product exhibited the highest tensile strength of 312.8 MPa and elongation of 4.51 per cent at positions where the pressure was directly applied to the material and overlapping occurred.
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