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http://dx.doi.org/10.5762/KAIS.2014.15.9.5460

A study on the hard surfacing Characteristics of STS420J2 by using Diode laser  

Lee, Tae-Yang (Division of Mechanical Engineering, Graduate School, Kongju University)
Lim, Byung-Chul (Division of Mechanical Engineering, Graduate School, Kongju University)
Park, Sang-Heup (Division of Mechanical & Automotive Engineering, Kongju University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.15, no.9, 2014 , pp. 5460-5466 More about this Journal
Abstract
In this study, mainly for kitchen knives and small swords, cutlery, etc. STS420J2 used material used for the experiments. In order to cure the surface of the test piece after the rough grinding and fine grinding was performed in order polishing. Perform the surface hardening of STS420J2 local area by using a diode laser. The output of the laser diode and the feed rate to the process variable. Micro-hardness testing, microstructure testing, scanning electron microscope testing(SEM), the heat input to the analysis. After analyzing the experiment to compare the mechanical properties of the material. When using a diode laser to assess the soundness of the surface hardening. Accordingly, the process for deriving the optimum demonstrate the feasibility.
Keywords
Diode Laser; Transformation Hardening; Surface Heat Treatment; Mechanical Characteristic;
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