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Keywords: pulse control
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Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Heat Mass Transfer. August 2007, 129(8): 1014–1024.
Published Online: September 5, 2006
... is discussed. Based on these investigations, the prevention/elimination of porosity through laser pulse control is put forward. The conclusions obtained are listed as follows. Porosity is formed during the keyhole collapse and solidification process. The formation of porosity has a close relationship...