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Proceedings Paper

Laser rapid forming technology of high-performance dense metal components with complex structure
Author(s): Weidong Huang; Jing Chen; Yanming Li; Xin Lin
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Paper Abstract

Laser rapid forming (LRF) is a new and advanced manufacturing technology that has been developed on the basis of combining high power laser cladding technology with rapid prototyping (RP) to realize net shape forming of high performance dense metal components without dies. Recently we have developed a set of LRF equipment. LRF experiments were carried out on the equipment to investigate the influences of processing parameters on forming characterizations systematically with the cladding powder materials as titanium alloys, superalloys, stainless steel, and copper alloys. The microstructure of laser formed components is made up of columnar grains or columnar dendrites which grow epitaxially from the substrate since the solid components were prepared layer by layer additionally. The result of mechanical testing proved that the mechanical properties of laser formed samples are similar to or even over that of forging and much better than that of casting. It is shown in this paper that LRF technology is providing a new solution for some difficult processing problems in the high tech field of aviation, spaceflight and automobile industries.

Paper Details

Date Published: 13 January 2005
PDF: 9 pages
Proc. SPIE 5629, Lasers in Material Processing and Manufacturing II, (13 January 2005); doi: 10.1117/12.580794
Show Author Affiliations
Weidong Huang, Northwestern Polytechnical Univ. (China)
Jing Chen, Northwestern Polytechnical Univ. (China)
Yanming Li, Northwestern Polytechnical Univ. (China)
Xin Lin, Northwestern Polytechnical Univ. (China)

Published in SPIE Proceedings Vol. 5629:
Lasers in Material Processing and Manufacturing II
ShuShen Deng; Akira Matsunawa; Y. Lawrence Yao; Minlin Zhong, Editor(s)

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