Effect of laser parameters on surface roughness of laser modified tool steel after thermal cyclic loading

Sheng, Annie Lau and I., Ismail and S. N., Aqida (2018) Effect of laser parameters on surface roughness of laser modified tool steel after thermal cyclic loading. In: IOP Conference Series: Materials Science and Engineering, The 4th Asia Pacific Conference on Manufacturing Systems and the 3rd International Manufacturing Engineering Conference , 7-8 December 2017 , Yogyakarta, Indonesia. pp. 1-5., 319 (012002). ISSN 1757-8981 (Print), 1757-899X (Online)

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DOI/Official URL: https://doi.org/10.1088/1757-899X/319/1/012002

Abstract

This study presents the effects of laser parameters on the surface roughness of laser modified tool steel after thermal cyclic loading. Pulse mode Nd:YAG laser was used to perform the laser surface modification process on AISI H13 tool steel samples. Samples were then treated with thermal cyclic loading experiments which involved alternate immersion in molten aluminium (800°C) and water (27°C) for 553 cycles. A full factorial design of experiment (DOE) was developed to perform the investigation. Factors for the DOE are the laser parameter namely overlap rate (η), pulse repetition frequency (f PRF) and peak power (Ppeak ) while the response is the surface roughness after thermal cyclic loading. Results indicate the surface roughness of the laser modified surface after thermal cyclic loading is significantly affected by laser parameter settings.

Item Type:	Conference or Workshop Item (Lecture)
Additional Information:	Indexed by Scopus
Uncontrolled Keywords:	Cyclic loads; Design of experiments; Manufacture; Neodymium lasers
Subjects:	T Technology > TJ Mechanical engineering and machinery T Technology > TS Manufactures
Faculty/Division:	Faculty of Manufacturing Engineering Faculty of Mechanical Engineering Centre of Excellence: Automotive Engineering Centre Centre of Excellence: Automotive Engineering Centre
Depositing User:	Mrs. Neng Sury Sulaiman
Date Deposited:	18 Jul 2018 03:44
Last Modified:	05 Dec 2019 01:15
URI:	http://umpir.ump.edu.my/id/eprint/21633
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