Manufacturing Technology 2019, 19(1):129-134 | DOI: 10.21062/ujep/256.2019/a/1213-2489/MT/19/1/129

Effect of Cryogenic Treatment on Properties of Cemented Carbides

Vojtěch Průcha, David Bricín, Antonín Kříž
Faculty ofMechanical Engineerign, University of West Bohemia. Univerzitní 22, Pilsen 306 14, Czech Republic

The main goal of this paper is to present experiments exploring the effect of cryogenic treatment on the properties of cemented carbides. The experimental materials were chosen from three basic groups of cemented carbides with different binders and different WC grain sizes. One half of the specimens were cryogenically-treated, whereas the other half were in the as-received condition. The specimens were ground and polished using metallographic procedures. Effects of cryogenic treatment were studied by metallographic observation using light and scanning electron microscopes, by X-ray analysis of phase composition and by measuring Vickers hardness and KIC fracture toughness. It was found that residual stresses in specimen surface decreased after cryogenic treatment. The KIC fracture toughness of the specimens increased.

Keywords: Cryogenic Treatment, Cemented Carbide, Residual stress, Hardness, Phase Analysis
Grants and funding:

SGS-2016-036 entitled “Analysis, development and modification of technologies of treatment of bulk advanced materials for power generation machines, transport equipment and related engineering applications”.

Published: February 1, 2019  Show citation

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Průcha V, Bricín D, Kříž A. Effect of Cryogenic Treatment on Properties of Cemented Carbides. Manufacturing Technology. 2019;19(1):129-134. doi: 10.21062/ujep/256.2019/a/1213-2489/MT/19/1/129.
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