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Microstructural and Mechanical Propertiesof Metal Matrix Composites
Luleå University of Technology, Department of Engineering Sciences and Mathematics.
2021 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Composite materials exhibiting excellent mechanical properties such as high ductility and extreme strength to be used in a wide range of applications. Tungsten carbide (WC) particles were used to reinforce Hadfield steel to enhance its hardness and its wear resistance. This work consists of the fabrication of metal matrix composite (MMC) based WC. It was found that WC carbide particles were successfully obtained in all the prepared samples. Each sample presents different mechanical properties depending on the microstructure obtained. Scanning Electron Microscopy (SEM) Elemental Dispersive Spectroscopy (EDS) and optical microscope were used to analyse the microstructure. Finally, the hardness was tested on all composite samples, and it has been found that it has improved from 280 HV to 640 HV.

Place, publisher, year, edition, pages
2021. , p. 32
Keywords [en]
Metal Matrix Composite, tungsten carbide, Hadfield steel
National Category
Metallurgy and Metallic Materials Composite Science and Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-87457OAI: oai:DiVA.org:ltu-87457DiVA, id: diva2:1602220
Subject / course
Student thesis, at least 30 credits
Educational program
Materials Engineering, master's level (120 credits)
Presentation
2021-09-10, Zoom, 10:45 (English)
Supervisors
Examiners
Available from: 2021-10-12 Created: 2021-10-11 Last updated: 2021-10-12Bibliographically approved

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