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Title: IGBT induction hardening and its application in Singapore
Authors: Loh, Nee Lam, Dr.
Siew, Leong Wai
Loh, Yew Minh
???metadata.dc.contributor.url???: mnlloh@ntu.edu.sg
Keywords: AISI 4140;Case depth;Coiling;Frequency;Gear;Hardenability;Huge part;IGBT power supply;Induction hardening;Industrial application;Microhardness profiles;Optimum surface hardness;Power density;Quenchant;Traverse speed
Issue Date: Jun-2010
Publisher: The Institution of Engineers, Malaysia
Citation: The Journal of the Institution of Engineers, Malaysia, vol. 71(2), 2010, pages 41-48
Abstract: Induction hardening has come a long way. Whilst the vacuum tube power supply is still commonly used in industries, IGBT power supply is fast gaining industrial acceptance. In terms of power efficiency, the IGBT technology is arguably the most advanced, despite its demand for sound technical know-how on the combination of capacitances and inductances to achieve optimal effects. This paper aims to provide a brief review of the induction hardening process and the relationship of induction hardening parameters. This paper will demonstrate the importance of power density, frequency and traverse speed with particular reference to the experimental study on induction hardening of the AISI 4140 material. With these experimental data, two Master curves were achieved as an approach to ensure sound industrial treatment. This takes the form of determining the threshold requirement of power density to obtain maximum surface hardness. Finally, it will provide five case studies of industrial experiences in Singapore.
Description: Link to publisher's homepage at http://www.myiem.org.my/
URI: http://www.myiem.org.my/content/iem_journal_2010-181.aspx
ISSN: 0126-513X
Appears in Collections:IEM Journal

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