Research of Laser Welding for Hot Rolling Strip Steel

Abstract:

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Focused on the question of laser welding break of hot rolling strip steel JZZ, The causings of defect of laser welding were studied experimentally with the Trumph TLF12000 fast-flow CO2 laser,. and the methods of avoiding the defect were porposed. The results showed that owing to the steel plate was thicker and big welding velocity, resulted in large depth/breadth ratio and high cooling velocity , the solidification crack occurred during welding process. When the method of laser welding with filling metal was used,the welding defect was avoided , the better performance index of weld as good as that of base metal is available.

Info:

Periodical:

Advanced Materials Research (Volumes 295-297)

Edited by:

Pengcheng Wang, Liqun Ai, Yungang Li, Xiaoming Sang and Jinglong Bu

Pages:

2341-2344

DOI:

10.4028/www.scientific.net/AMR.295-297.2341

Citation:

R. T. Zhong et al., "Research of Laser Welding for Hot Rolling Strip Steel", Advanced Materials Research, Vols. 295-297, pp. 2341-2344, 2011

Online since:

July 2011

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Price:

$35.00

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