EFFECT OF LASER PROCESSING PARAMETERS ON THE COATING'S MICROSTRUCTURE AND QUALITY

Y. S. Tian (), D. Y. Wang and C. Z. Chen
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Y. S. Tian: Key Laboratory of Liquid Structure and Heredity of Materials, Shandong University, Jinan 250061, P. R. China
D. Y. Wang: Key Laboratory of Liquid Structure and Heredity of Materials, Shandong University, Jinan 250061, P. R. China
C. Z. Chen: Key Laboratory of Liquid Structure and Heredity of Materials, Shandong University, Jinan 250061, P. R. China

Surface Review and Letters (SRL), 2007, vol. 14, issue 05, 885-890

Abstract: The effect of laser processing parameters on the microstructure and quality of the coatings fabricated on titanium alloy has been investigated. Results show that the increase of the output power and the decrease of the scanning speed result in the thickness increase and the microstructure coarseness of the coatings. Overlapped fraction of the laser tracks significantly affects the coating's quality. With a lower overlapped fraction, pores and cracks easily occur in the overlapped area due to the inferior metallurgical quality.

Keywords: Laser processing parameters; microstructure and morphology; titanium alloy (search for similar items in EconPapers)
Date: 2007
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DOI: 10.1142/S0218625X07010342

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