Abstract
Electron beam selective melting (EBSM) is a new kind of direct metal rapid manufacturing technology, which can be regarded as the integration of electron beam manufacturing and rapid prototyping technologies. Because the electron beam has great impact on the powder and the requirement of full density and high melting point needed during the EBSM process, the modified scanning mode of the filling lines in EBSM is achieved by combining the split scanning mode and the rotated scanning mode with the zigzag scanning mode. Meanwhile, the three steps and three portion scanning strategy of the subzones are also derived by the finite element analysis of heat transfer in EBSM. Based on the study of the scanning method of filling lines, some parts of 316L stainless steel powder are manufactured.
Published Version
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Schedule a callMore From: Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture
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