Regularities of contact interaction of double (Ti1–nMen)С carbides with nickel
https://doi.org/10.17073/1997-308X-2014-1-39-43
Abstract
The regularities of metallurgical reactions of IV-VI group transition metal alloyed titanium carbide with nickel melt are generalized. Interaction of dou- ble carbides with nickel is established to be characterized by primary dissolution of carbon and alloying metal in it. Accordingly the carbide phase composition varies. The efficiency of effect of alloying elements on titanium carbide dissolution rate in nickel depends on the atomic dimensional re- lationship of titanium and alloying metal. If RMe> RTi (Me = Zr, Hf ), the intensity of titanium carbide interaction with nickel increases; if RMe ≤ RTi (Me = V, Nb, Mo, W), then it decreases. In the first case the defining factor is the increase in elastic strain energy of the lattice; in the second case – the decrease of interphase energy of the carbide-melt interface.
About the Authors
V. A. Zhilyaev
Институт химии твердого тела УрО РАН, 620990, г. Екатеринбург, ул. Первомайская, 91
Russian Federation
Russian Federation
E. I. Patrakov
Институт физики металлов УрО РАН, 620990, г. Екатеринбург, ул. С. Ковалевской, 18
Russian Federation
Russian Federation
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Review
For citations:
Zhilyaev V.A., Patrakov E.I. Regularities of contact interaction of double (Ti1–nMen)С carbides with nickel. Powder Metallurgy аnd Functional Coatings (Izvestiya Vuzov. Poroshkovaya Metallurgiya i Funktsional'nye Pokrytiya). 2014;(1):39-43. (In Russ.) https://doi.org/10.17073/1997-308X-2014-1-39-43
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