X-ray investigation of transformations in the surfaces of alloys during abrasive wear

Popov, V. S.; Titukh, Yu. I.

doi:10.1007/bf00663082

Cited by 4 publications

(1 citation statement)

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“…As is seen from Figure 5, at first the wear resistance of deposited metal grows to 400 °C in the range of tempering temperatures and then slightly decreases. It is connected, first of all, with the influence of tempering on the amount and stability of residual austenite in the alloy, which plays a large role in wear processes [9,10]. The positive role of metastable austenite con-sists in the fact that not only properly itself is a good resistant to abrasive wear, but also firmly preserves the fine vanadium carbides against spalling during friction due to formation of martensite deformation in the surface layer.…”

Section: Scientific and Technicalmentioning

confidence: 99%

Iron-based alloy for plasma-powder surfacing of screw conveyors of extruders and injection molding machines

Som¹

2016

The Paton Welding J.

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The structure and properties of wear-and corrosion-resistant alloy of Fe-Cr-V-Mo-Ni-C system were investigated for plasma surfacing of screw conveyors of extruders and injection molding machines. It was shown that combination of high wear resistance and ductility of the alloy is achieved due to formation of a large amount of primary vanadium carbides VC and eutectics, located in the viscous austenitic-martensitic matrix in the form of single colonies. The alloy has an excellent formation and high resistance of the deposited bead to crack formation in surfacing, that allows surfacing rather massive parts without preheating. The service life of screw conveyors deposited using this alloy is 3-5 times higher than that of nitrated screws. 10 Ref., 2 Tables, 10 Figures.

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Section: Scientific and Technicalmentioning

confidence: 99%