Optimization of the Fabrication Technology
of the Filler Granular Hard Alloy with a Uniform Structure
and Low Residual Porosity

A. P. Amosov^a,*, D. A. Zakharov^a,**, and A. V. Sal’nikov^b,***

^aSamara State Technical University, ul. Molodogvardeiskaya 244, Samara, 443 100 Russia

^bOAO Volgaburmash, ul. Groznenskaya 1, Samara, 443004 Russia

*e-mail: mvm@samgtu.ru

**e-mail: zaharov.dmi@yandex.ru

***e-mail: sal321@yandex.ru

Abstract—The influence of various sintering modes of the filler granular hard alloy on its structure is investi-
gated. A strong dependence of the structural uniformity of the sintered alloy on the carbon balance is shown.
Processing methods for obtaining the homogeneous structure of the filler granular hard alloy are established.

Keywords: filler hard alloy, sintering, structure, defects

DOI: 10.3103/S1067821214050022

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