Improving mechanical properties of Co-Cr-W alloys by powder metallurgy

© 2017 Trans Tech Publications, Switzerland. This study focuses on improving the mechanical properties of Co-Cr-W alloys by applying Harmonic Structure Design – bimodal grain size distribution with an interconnected framework of ultra-fine-grained (UFG) regions, called the “shell region”, surroundin...

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Main Authors:	Sawangrat C., Leksakul K.
Format:	Book Series
Published:	2017
Online Access:	https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85016414498&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/40871
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Institution:	Chiang Mai University

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spelling	th-cmuir.6653943832-408712017-09-28T04:14:14Z Improving mechanical properties of Co-Cr-W alloys by powder metallurgy Sawangrat C. Leksakul K. © 2017 Trans Tech Publications, Switzerland. This study focuses on improving the mechanical properties of Co-Cr-W alloys by applying Harmonic Structure Design – bimodal grain size distribution with an interconnected framework of ultra-fine-grained (UFG) regions, called the “shell region”, surrounding isolated coarse-grained (CG) regions. Harmonic structure Co-Cr specimens were successfully fabricated by Powder Metallurgy (PM) that consisted of controlled mechanical milling and spark plasma sintering. The sintered compacts revealed an outstanding combination of strength and total elongation. Moreover, the sintering dwell time significantly improved densification and led to large total elongation. PM improved the mechanical properties of Co-Cr-W alloys and offered an attractive approach to fabricate harmonic structures for commercial applications 2017-09-28T04:14:14Z 2017-09-28T04:14:14Z 2017-01-01 Book Series 02555476 2-s2.0-85016414498 10.4028/www.scientific.net/MSF.890.348 https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85016414498&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/40871
institution	Chiang Mai University
building	Chiang Mai University Library
country	Thailand
collection	CMU Intellectual Repository
description	© 2017 Trans Tech Publications, Switzerland. This study focuses on improving the mechanical properties of Co-Cr-W alloys by applying Harmonic Structure Design – bimodal grain size distribution with an interconnected framework of ultra-fine-grained (UFG) regions, called the “shell region”, surrounding isolated coarse-grained (CG) regions. Harmonic structure Co-Cr specimens were successfully fabricated by Powder Metallurgy (PM) that consisted of controlled mechanical milling and spark plasma sintering. The sintered compacts revealed an outstanding combination of strength and total elongation. Moreover, the sintering dwell time significantly improved densification and led to large total elongation. PM improved the mechanical properties of Co-Cr-W alloys and offered an attractive approach to fabricate harmonic structures for commercial applications
format	Book Series
author	Sawangrat C. Leksakul K.
spellingShingle	Sawangrat C. Leksakul K. Improving mechanical properties of Co-Cr-W alloys by powder metallurgy
author_facet	Sawangrat C. Leksakul K.
author_sort	Sawangrat C.
title	Improving mechanical properties of Co-Cr-W alloys by powder metallurgy
title_short	Improving mechanical properties of Co-Cr-W alloys by powder metallurgy
title_full	Improving mechanical properties of Co-Cr-W alloys by powder metallurgy
title_fullStr	Improving mechanical properties of Co-Cr-W alloys by powder metallurgy
title_full_unstemmed	Improving mechanical properties of Co-Cr-W alloys by powder metallurgy
title_sort	improving mechanical properties of co-cr-w alloys by powder metallurgy
publishDate	2017
url	https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85016414498&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/40871
_version_	1681421897467691008

Improving mechanical properties of Co-Cr-W alloys by powder metallurgy

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