Welding Characteristic Evaluation of GMAW and Laser Cladding for the Gas Turbine 1st Blade

Abstract:

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The advancement in superalloys permits the hot gas path components to operate for thousands of hours under severe centrifugal, thermal and vibratory stresses. The blade of a gas turbine must withstand the most severe condition combined of temperature, stress, and environment. After a long operation, the damaged blades of a gas turbine used are welded for build-up and repaired. We analyzed and compared the mechanical properties of GMAW(Gas Metal Arc Welding), a manual welding method, a laser cladding method, and an automatic welding method under research and development.

Info:

Periodical:

Key Engineering Materials (Volumes 353-358)

Edited by:

Yu Zhou, Shan-Tung Tu and Xishan Xie

Pages:

519-522

DOI:

10.4028/www.scientific.net/KEM.353-358.519

Citation:

H. I. Kim et al., "Welding Characteristic Evaluation of GMAW and Laser Cladding for the Gas Turbine 1st Blade", Key Engineering Materials, Vols. 353-358, pp. 519-522, 2007

Online since:

September 2007

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Price:

$35.00

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