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Microstructure and properties of rapidly heat treated and galvanized dual phase steel
Fourmentin, Richard; Mertens, Anne; McDermid, Joseph R.
2007In Tsuru, Tooru (Ed.) Proceedings of the 7th international conference on zinc and zinc alloy coated steel sheet
Peer reviewed
 

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Keywords :
Galvanizing; Rapid heat treatment; Dual phase steel; Microstructure; Mechanical properties; Coating quality
Abstract :
[en] This study aims at determining the impact of Rapid Heat Treatment on the mechanical properties and galvanisability of a Dual Phase (DP) steel. DP steel coupons were galvanized following three rapid heat treatment routes. For each thermal cycle, microstructural characteristics were related to the mechanical properties while the coating quality and reactive wetting were assessed. It was found that the thermal cycle and microsegregation of Mn in the sheet centerline influenced the mechanical properties of the Dual Phase steel through the volume fraction and distribution of non-ferritic phases, mainly martensite. In addition, the thermal treatments did not affect the reactive wetting of the Dual Phase steel nor the quality of the zinc coating, and this despite the presence of a Mn oxide layer at the steel surface during heating. Indeed, the Mn oxide layer was reduced by the Al dissolved in the zinc bath.
Disciplines :
Materials science & engineering
Author, co-author :
Fourmentin, Richard;  McMaster University > Department of Mechanical Engineering
Mertens, Anne  ;  Université de Liège - ULiège > 2ème année Master en Histoire de l'Art et Archéologie - Orientation Archéométrie
McDermid, Joseph R.;  McMaster University > Department of Mechanical Engineering
Language :
English
Title :
Microstructure and properties of rapidly heat treated and galvanized dual phase steel
Publication date :
November 2007
Event name :
7th international conference on zinc and zinc alloy coated steel sheet (Galvatech'07)
Event organizer :
Iron and Steel Institute of Japan
Event place :
Osaka, Japan
Event date :
Du 18 au 22 novembre 2007
Audience :
International
Main work title :
Proceedings of the 7th international conference on zinc and zinc alloy coated steel sheet
Editor :
Tsuru, Tooru
Publisher :
Iron and Steel Institute of Japan
Pages :
380-385
Peer reviewed :
Peer reviewed
Funders :
AUTO-21 national centres of excellence (Canada)
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since 31 October 2011

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