An FEM approach for the thermal analysis of laser cladding with pre-placed powder

L. F. Guo, Tai Man Yue, Hau Chung Man

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

Abstract

In laser cladding with pre-placed powder, a trial-and-error approach is widely adopted to acquire the suitable processing parameters. The shortcomings of such an approach are obvious: long investigation times, high costs, and more importantly, the difficulty of making predictions. In this study, a numerical approach based on the finite element method has been developed to simulate the temperature profile of laser cladding with pre-placed metal powders. The FEM model is capable of simulating the 3-D thermal field of the cladding material under a moving heat source. Verification experiments were conduct ed by the laser cladding of Al-12%Si alloy on ZM51 magnesium alloy, using a high-power Nd-YAG laser. The results show that the model can be employed to determine the appropriate processing parameters for achieving good interfacial bonding between the clad layer and the substrate.
Original languageEnglish
Title of host publicationICALEO 2003 - 22nd International Congress on Applications of Laser and Electro-Optics, Congress Proceedings
Publication statusPublished - 1 Dec 2003
EventICALEO 2003 - 22nd International Congress on Applications of Laser and Electro-Optics - Jacksonville, FL, United States
Duration: 13 Oct 200316 Oct 2003

Conference

ConferenceICALEO 2003 - 22nd International Congress on Applications of Laser and Electro-Optics
CountryUnited States
CityJacksonville, FL
Period13/10/0316/10/03

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Electrical and Electronic Engineering

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