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An investigation of metallic glass as binder phase in hard metal
Linköping University, Department of Physics, Chemistry and Biology, Thin Film Physics. Linköping University, The Institute of Technology.
2015 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
En studie om metalliskt glas som bindefas i hårdmetall (Swedish)
Abstract [en]

In this study, the possibilities to produce metallic glass as binder phase in hard metal by means of powder metallurgical methods have been investigated. The aim of the study was to do an initial investigation about metallic glass as alternative binder phase to cobalt in hard metal. Production of samples with metallic glass forming alloys and an amorphous powder as binder phase in hard metal by means of quenching and hot pressing have been performed. Moreover, mechanical alloying of metallic glass forming powder to achieve amorphicity has been performed. The samples and powders were analyzed by means of XRD, LOM, STA, SEM and EDS. The results showed that no glass formation of the binder phase was achieved by quenching, hot pressing or mechanical alloying. However, interesting information about glass formation by means of metallurgical methods was obtained. The main conclusion was that production of metallic glass by means of metallurgical methods is complicated due to changes in the binder phase composition throughout the production process as well as requirements of high cooling rates when quenching and high pressures when hot pressing.

Place, publisher, year, edition, pages
2015. , 81 p.
Keyword [en]
Alternative binder, bulk metallic glass, cemented carbide, metallic glass matrix, tungsten carbide
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:liu:diva-116475ISRN: LiTH-IFM-A-EX-15/2978-SEOAI: oai:DiVA.org:liu-116475DiVA: diva2:798471
External cooperation
Sandvik Coromant
Subject / course
Technical Physics
Presentation
2015-01-16, Röntgen, Fysikhuset Linköpings universitet 581 83, Linköping, 16:51 (English)
Supervisors
Examiners
Available from: 2015-04-20 Created: 2015-03-26 Last updated: 2015-04-20Bibliographically approved

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An investigation of metallic glass as binder phase in hard metal(12994 kB)398 downloads
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Malin, Leijon Lind
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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf