Scan Strategy in Electron Beam Selective Melting |
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Authors: | LU Wei LIN Feng HAN Ji ong QI Haibo YAN Naisheng |
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Institution: | LU Wei,LIN Feng,HAN Ji,ong,QI Haibo,YAN Naisheng Department of Mechanical Engineering,Tsinghua University,Beijing 100084,China |
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Abstract: | In electron beam selective melting process, powder pushed-away phenomena and uneven temperature field are two main obstacles, which are greatly associated with the electron beam scan mode. In this paper, various scan strategies, including iterative scan mode, reverse scan mode, interlaced reverse scan mode, randomized block scan mode, and constant length scan mode, are investigated. The analyses for each scan strategy are presented based on the influence to the temperature field over the formation zone and ... |
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Keywords: | scan strategy electron beam selective melting powder pushed-away |
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