Paper Title:
Research on Crack Generating in the Process of Hybrid Plasma and Laser Deposition Manufacturing
  Abstract

Crack is the common drawback in deposition manufacturing process with high energy beam, which usually leads to the manufacturing process being given up halfway. So it is important and urgent to investigate the generating principle of crack and establish relative means to prevent crack appearance. In this paper, the principle of crack generating in the process of hybrid plasma and laser manufacturing was studied experimentally and systematically. The influences of power system and shielding atmosphere on crack were researched. The results were summarized as follows: (1) The crack generating in the course of manufacturing is mainly heat crack. (2) Excessive energy density and temperature will result in crack. (3) The best method preventing part being manufactured from oxidation is to put the whole part into the inert gas.

  Info
Periodical
Advanced Materials Research (Volumes 139-141)
Edited by
Liangchi Zhang, Chunliang Zhang and Tielin Shi
Pages
2002-2005
DOI
10.4028/www.scientific.net/AMR.139-141.2002
Citation
Y. P. Qian, X. W. Zhang, X. Z. Zhou, H. O. Zhang, "Research on Crack Generating in the Process of Hybrid Plasma and Laser Deposition Manufacturing", Advanced Materials Research, Vols. 139-141, pp. 2002-2005, 2010
Online since
October 2010
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