ISSN:
1662-9752
Source:
Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Notes:
Advanced Ti(C, N) matrix cermet tool materials with higher mechanical properties aresuccessfully developed by dispersing nano-scale Al2O3 powder into the micro-scale Ti(C, N) matrixand Ni-Mo bonding phases powder. The effect of the content of nano-scale alumina on themicrostructure and mechanical properties of micro-scale Ti(C, N) matrix cermet tool materials areinvestigated. The research results show that a type of Ti(C, N) matrix cermet tool material has themost optimal flexural strength of 900MPa, Vickers hardness of 17.4GPa and fracture toughness of9.95MPa.m1/2 when the content of nano-scale alumina is 12% in term of mass. It is found from themicrostructure analysis that the main reason of the mechanical properties improvement is the grainfining effect caused by nano-scale Al2O3
Type of Medium:
Electronic Resource
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/02/14/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.532-533.37.pdf
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