ISSN:
1013-9826
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:
Based on the empirical electron theory (EET) of solids and molecules, the valence electronstructures (VESs) of TiC-Mo(Ni)-Fe system were calculated by building proper structure model. Theresults indicate that additives of Mo and Ni improve the interface conjunction factors of the cermets indifferent ways. By adding Mo, the VESs of the ceramic phase are improved for the formation of the rimphase (Ti1-xMox)C, which leads to the enhancement of the interface conjunction, while the improvementof the VESs on metal phase by adding Ni is due to the formation of the Fe100-yNiy. Mo and Ni additivesincrease the interface electron density of cermets, that is, the adding of the Mo and Ni enhance theoverlapping grade of the electron cloud on interface and increase the binding energy of the interface,which is propitious to the wettability. The best wettability was found at x=0.5 or y=30
Type of Medium:
Electronic Resource
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/01/56/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.368-372.1119.pdf
