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http://dx.doi.org/10.3795/KSME-A.2011.35.12.1663

Characteristics of Heat Treatment on Different Materials during Laser Surface Hardening of Cast Iron for Die  

Kim, Jong-Do (Division of Marine Engineering, Korea Maritime Univ.)
Song, Moo-Keun (Graduate School, Korea Maritime Univ.)
Hwang, Hyun-Tae (Automotive Parts Innovation Center)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.35, no.12, 2011 , pp. 1663-1668 More about this Journal
Abstract
Surface hardening treatment is required to improve the wear-resistance of press die because severe abrasion of die occurs during the drawing process in which the forming of the automotive body is completed and during the trimming process in which the unnecessary parts are cut. In this study, experiments on the laser surface treatment of press die are performed. Specimens are heat-treated separately at certain plate and edge position by using a diode laser to carry out suitable surface hardening treatment to reduce the wear during the drawing and the trimming processes, and the proper conditions for heat treatment are found. Spheroidal and flake graphite cast iron specimens are used, and the heat treatment characteristics of the two materials are compared. From the results of the study, it is confirmed that the heat treatment characteristics differed depending on the materials.
Keywords
Surface Hardening Treatment; Wear Resistance; Spheroidal and Flake Graphite Cast Iron; Hardness;
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Times Cited By KSCI : 1  (Citation Analysis)
Times Cited By SCOPUS : 0
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