Effect of microstructure on toughness characteristics of cutting materials
Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Improved fracture toughness at a given strength level is one of the most important properties of cemented carbides. Large number of different testing methods (both theoretical and experimental) has been proposed to determine fracture toughness of cemented carbides and it has been always a topic of interest to relate fracture toughness with mechanical properties. In this report method such as Palmqvist toughness, chevron notch, toughness determination through Hertzian indentation and different theoretical toughness models have been utilized in order to investigate fracture characteristics and is also compared with other mechanical properties by varying cobalt content and grain size. This study has provided some new and interesting results as well as new information about hardmetals in different loading conditions.
Place, publisher, year, edition, pages
2012. , 82 p.
Fracture toughness, Microstructural characterization
Composite Science and Engineering
IdentifiersURN: urn:nbn:se:kth:diva-160527OAI: oai:DiVA.org:kth-160527DiVA: diva2:790055
Subject / course
Materials Science and Engineering
Master of Science in Engineering - Materials Design and Engineering
Ågren, John, Professor