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

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: Choncharoen Sawangrat, Komgrit Leksakul
Format: Book Series
Published: 2018
Subjects:
Engineering
Materials Science
Physics and Astronomy
Online Access:https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85016414498&origin=inward
http://cmuir.cmu.ac.th/jspui/handle/6653943832/57360
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Institution: Chiang Mai University
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spelling th-cmuir.6653943832-573602018-09-05T03:53:44Z Improving mechanical properties of Co-Cr-W alloys by powder metallurgy Choncharoen Sawangrat Komgrit Leksakul Engineering Materials Science Physics and Astronomy © 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 2018-09-05T03:39:16Z 2018-09-05T03:39:16Z 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/6653943832/57360
institution Chiang Mai University
building Chiang Mai University Library
country Thailand
collection CMU Intellectual Repository
topic Engineering
Materials Science
Physics and Astronomy
spellingShingle Engineering
Materials Science
Physics and Astronomy
Choncharoen Sawangrat
Komgrit Leksakul
Improving mechanical properties of Co-Cr-W alloys by powder metallurgy
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 Choncharoen Sawangrat
Komgrit Leksakul
author_facet Choncharoen Sawangrat
Komgrit Leksakul
author_sort Choncharoen Sawangrat
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 2018
url https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85016414498&origin=inward
http://cmuir.cmu.ac.th/jspui/handle/6653943832/57360
_version_ 1681424864484786176

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