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Microstructure and Properties of Rapid Heat Treated Galvanized Dual Phase Steels
Fourmentin, Richard; Mertens, Anne; McDermid, Joseph R.
2006In Proceedings of the MS&T'06 Conference
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Keywords :
Rapid heat treatment; Galvanizing; Microstructure; Dual Phase Steel
Abstract :
[en] In order to improve fuel efficiency and reduce greenhouse emissions, the automotive industry has to use more and more advanced high strength steels. Indeed, these steels benefit from both good formability and high-energy absorption capacity, and enable manufacturers to reduce the mass of vehicles. To achieve this requirement, refining the non-ferritic phase in steel is a proposed solution. Specifically rapid heat treatment can change the scale and the distribution of the second phase, ameliorating the mechanical properties. However, such heat treated steels, before being used, have to be galvanized to avoid corrosion and maintain the material’s mechanical properties. This study aims to determine the mechanical properties and the galvanisability of steels processed by rapid heat treatment. Accordingly, samples were galvanized following designed rapid heat treatment routes. It has been shown that, the thermal cycles influenced the mechanical properties of the Dual Phase steels through the volume fraction and the distribution of martensite. In addition, the thermal treatments did not affect the formation of the inhibition layer nor the quality of the zinc coating, and this in spite of the presence of a Mn oxide layer at the steel surface during heating.
Disciplines :
Materials science & engineering
Author, co-author :
Fourmentin, Richard;  McMaster University > Department of Mechanical Engineering
Mertens, Anne  ;  Université de Liège - ULiège > 1ère année Master en Histoire de l'Art et Archéologie - Orientation Archéométrie
McDermid, Joseph R.;  McMaster University > Deaprtment of Mechanical Engineering
Language :
English
Title :
Microstructure and Properties of Rapid Heat Treated Galvanized Dual Phase Steels
Publication date :
October 2006
Event name :
Materials Science and Technology 2006 Conference and Exhibition
Event organizer :
TMS, American Ceramic Society, AIST
Event place :
Cincinnati, United States - Ohio
Event date :
Du 15 au 19 octobre 2006
Audience :
International
Main work title :
Proceedings of the MS&T'06 Conference
Publisher :
Curran Associates, United States
Pages :
119-130
Peer reviewed :
Peer reviewed
Funders :
Natural Science and Engineering Research Council of Canada, AUTO-21 Network
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since 03 November 2011

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