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ZHANG Zhaodong, ZENG Qingwen, LIU Liming, SUN Chengshuai. Forming regularity of aluminum alloy formed by laser induced MIG arc additive manufacturing[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2019, 40(8): 7-12. DOI: 10.12073/j.hjxb.2019400201
Citation: ZHANG Zhaodong, ZENG Qingwen, LIU Liming, SUN Chengshuai. Forming regularity of aluminum alloy formed by laser induced MIG arc additive manufacturing[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2019, 40(8): 7-12. DOI: 10.12073/j.hjxb.2019400201

Forming regularity of aluminum alloy formed by laser induced MIG arc additive manufacturing

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  • Received Date: July 24, 2018
  • In order to research the influence of various parameters on the forming dimension of thin-walled structural parts in the process of laser induced MIG arc additive manufacturing of aluminum alloys, this paper used the quadratic general rotation combination method to design orthogonal test samples, and established the process parameters (arc current I, stacking velocity v, interlayer temperature T, laser power P) and the size prediction model of the stable area of the thin-walled wall through quadratic regression equations. And the influences of individual process parameters on the forming of the test piece were studied. It was found that the model prediction effect was good. When the arc current exceeded 106 A, the order of influence of parameters on the layer width from large to small were arc current, interlayer temperature, stacking speed, and laser power. The order of influence of parameters on layer height from large to small were arc current, stacking speed, interlayer temperature, laser power.
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    Liu Y B, Sun Q J, Sang H B, et al. Microstructure and mechanical properties of additive manufactured steel-Al structure materials with nickel gradient layers[J]. China Welding, 2016, 25(01):8-14.
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