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Nanoscience and Technology: An International Journal
ESCI SJR: 0.219 SNIP: 0.484 CiteScore™: 0.37

ISSN Imprimir: 2572-4258
ISSN On-line: 2572-4266

Nanoscience and Technology: An International Journal

Anteriormente Conhecido Como Nanomechanics Science and Technology: An International Journal

DOI: 10.1615/NanomechanicsSciTechnolIntJ.v2.i1.10
pages 1-8

MECHANICAL CHARACTERISTICS OF NANOSIZED COBALT INTERLAYERS IN SOLID WC/Co ALLOYS

V. G. Zavodinsky
The Institute of Material Studies, Khabarovsk Scientific Center, Russian Academy of Sciences, 153 Tikhookeanskaya Str., Khabarovsk, 680042, Russia

RESUMO

With the aid of the quantum-mechanical computer simulation (the theory of the electron density functional and the method of pseudo-potential) the mechanical characteristics of nanosized cobalt interlayers between tungsten carbide crystallites were investigated. It is shown that with a decrease in the cobalt interlayer thickness to nanoscale dimensions its transverse rupture strength doubles, but, on the other hand, the shear modulus undergoes a sixfold decrease. The strength of the interlayers in this case can be 3−4 times higher than the strength of solid cobalt.


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