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http://dx.doi.org/10.21289/KSIC.2022.25.6.1127

A Study on the Thermo-Mechanical Coupling Analysis to Working Condition of LAM  

Park, Jeong-Ho (School of Smart Mechanical automobile Engineering, Changwon Moonsung University)
Park, Sung-Ho (Aviation Maintenance & Drone Engineering, Changwon Moonsung University)
Kim, Gwi-Nam (Department of Mechanical and Automotive Engineering, Suncheon Jeil College)
Publication Information
Journal of the Korean Society of Industry Convergence / v.25, no.6_3, 2022 , pp. 1127-1133 More about this Journal
Abstract
Recently, the use of aircraft structures using Ti alloy (Ti-6Al-4V), a lightweight high-strength alloy material, is rapidly increasing due to the weight reduction of aircraft. However, high-strength materials such as Ti alloys require high energy for cutting and are classified as difficult-to-cut materials. Also, research on Laser Assisted Machining (hereinafter referred to as LAM), a cutting processing technology that utilizes improved machinability, is being actively researched. Therefore, in this paper, in order to confirm the proper temperature distribution using a laser, the finite element method is used to determine the temperature distribution according to the calorific value condition to derive the appropriate condition, and the thermal load generated at this time is used as a structural analysis. It is intended to be used as basic data for LAM processing conditions by measuring the amount of residual stress and thermal deformation caused by heat.
Keywords
LAM(Laser Assist Maching; Thermo-Mechanical Coupling; Moving Heat Flux Method;
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