Research on Crack Generating in the Process of Hybrid Plasma and Laser Deposition Manufacturing

Ying Ping Qian; Xiao Wei Zhang; Xi Zhi Zhou; Hai Ou Zhang

doi:10.4028/www.scientific.net/AMR.139-141.2002

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 139-141Research on Crack Generating in the Process of...

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.

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Periodical:

Advanced Materials Research (Volumes 139-141)

Pages:

2002-2005

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.139-141.2002

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Online since:

October 2010

Authors:

Ying Ping Qian, Xiao Wei Zhang, Xi Zhi Zhou, Hai Ou Zhang

Keywords:

Heat Cracking, Hybrid Plasma-Laser, Oxidation, Principle

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