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Author:

Wang Liwei (Wang Liwei.) | Suo Yingchao (Suo Yingchao.) | Liang Zhimin (Liang Zhimin.) | Wang Dianlong (Wang Dianlong.) | Xiao Jun (Xiao Jun.) | Yan Dejun (Yan Dejun.)

Indexed by:

EI Scopus SCIE

Abstract:

With the advantages of high energy density, high flexibility, and good material adaptability, lasers have been used to transfer droplets to the molten pool in the welding and additive manufacturing fields. In this study, a laser-assisted droplet transfer process was simulated using COMSOL Multiphysics software. Based on the angular impulse physical model, the effects of incidence position and laser power on the shape, spatter, and detachment direction of a droplet were predicted and analyzed. The droplet detached from the wire tip when the laser beam was irradiated at the solid-liquid interface under a laser power of 1200 W and a pulse width of 10 ms. When the power was 1400 W, the droplet exhibited a regular shape and little spatter. The droplet detached along the laser incidence direction, in accordance with the desired direction of laser-assisted droplet transfer.

Keyword:

Pulsed laser Droplet transfer Numerical simulation Laser-assisted Angular impulse physical model

Author Community:

  • [ 1 ] [Wang Liwei]Hebei Univ Sci & Technol, Sch Mat Sci & Engn, Shijiazhuang 050018, Hebei, Peoples R China
  • [ 2 ] [Suo Yingchao]Hebei Univ Sci & Technol, Sch Mat Sci & Engn, Shijiazhuang 050018, Hebei, Peoples R China
  • [ 3 ] [Liang Zhimin]Hebei Univ Sci & Technol, Sch Mat Sci & Engn, Shijiazhuang 050018, Hebei, Peoples R China
  • [ 4 ] [Wang Dianlong]Hebei Univ Sci & Technol, Sch Mat Sci & Engn, Shijiazhuang 050018, Hebei, Peoples R China
  • [ 5 ] [Xiao Jun]Beijing Univ Technol, Coll Mech Engn & Appl Elect, Engn Res Ctr Adv Mfg Technol Automot Components, Minist Educ, Beijing 100124, Peoples R China
  • [ 6 ] [Yan Dejun]CSSC Huangpu Wenchong Shipbldg Co Ltd, Guangdong Key Lab Enterprise Adv Welding Technol, Guangzhou 510715, Guangdong, Peoples R China

Reprint Author's Address:

  • [Wang Liwei]Hebei Univ Sci & Technol, Sch Mat Sci & Engn, Shijiazhuang 050018, Hebei, Peoples R China

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Source :

OPTICS AND LASERS IN ENGINEERING

ISSN: 0143-8166

Year: 2019

Volume: 122

Page: 303-311

4 . 6 0 0

JCR@2022

ESI Discipline: ENGINEERING;

ESI HC Threshold:136

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count: 4

SCOPUS Cited Count: 4

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 7

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