Investigation of the Processes of High-Temperature Wear of Welded Alloys

A. A. Artem'ev, I. V. Zorin, G. N. Sokolov

Abstract


Experimental facilities and methods for express testing of welded alloys for resistance to gas-abrasive wear at a temperature of up to 1000 °C have been developed, as well as for metal wear on metal through an abrasive layer at temperatures up to 500 °C. The peculiarities of high-temperature wear of experimental alloys based on nickel aluminide (10Cr4Ni76Mo3W3Al11BZr), and also on a nickel basis (Cr3Ni50MoW5Al9Ta4), obtained by electric arc surfacing, are studied. It is established that the wear of the alloy 10Cr4Ni76Mo3W3Al11BZr is caused by repeated plastic deformation of thin surface layers of metal in collision with abrasive particles, accompanied by the separation of the micro-strand, as well as by intensive oxidation of iron, which is part of the alloy

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References


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DOI: http://dx.doi.org/10.24892/RIJIE/20180401

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