The effect of plastic deformation rate on the wear performance of hardfaced coatings

The effect of plastic deformation rate on the wear performance of hardfaced coatings The objective of this study aimed to investigate the effect of plastic deformation rate and heat treatment routes on the wear performance of surfaced coatings obtained using submerged arc welding (SAW) and flux supplemented by additions of alloying powder. Powder of cemented tungsten carbide and high-speed tool steel has been selected as additives to the composition of shielding flux AMS1. Graphite powder was used as addition in two test batches in order to compensate carbon content, which burns out during welding. Results of spectrum analysis have revealed high concentration of alloying elements (Co 0.91–1.573%, W 2.5–9.5%, Mn 1.67–2.39%), which ensured low wear of tested coatings. Tempering at different temperatures showed formation of retained austenite; this fact was confirmed after X-ray diffraction analysis. Different extent of plastic deformation was accomplished to all test batches on the purpose of evaluation of influence on the wear performance of coatings. Wear results showed proportional dependence of rate of deformation and weight loss values. Addition of graphite helped to reach the lowest wear of coatings obtained using the flux alloyed with cemented tungsten carbide and high-speed tool steel (weight loss 0.12 and 0.148 g, respectively). http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Welding in the World Springer Journals

The effect of plastic deformation rate on the wear performance of hardfaced coatings

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Publisher
Springer Berlin Heidelberg
Copyright
Copyright © 2017 by International Institute of Welding
Subject
Materials Science; Metallic Materials; Continuum Mechanics and Mechanics of Materials; Theoretical and Applied Mechanics
ISSN
0043-2288
eISSN
1878-6669
D.O.I.
10.1007/s40194-017-0476-3
Publisher site
See Article on Publisher Site

Abstract

The objective of this study aimed to investigate the effect of plastic deformation rate and heat treatment routes on the wear performance of surfaced coatings obtained using submerged arc welding (SAW) and flux supplemented by additions of alloying powder. Powder of cemented tungsten carbide and high-speed tool steel has been selected as additives to the composition of shielding flux AMS1. Graphite powder was used as addition in two test batches in order to compensate carbon content, which burns out during welding. Results of spectrum analysis have revealed high concentration of alloying elements (Co 0.91–1.573%, W 2.5–9.5%, Mn 1.67–2.39%), which ensured low wear of tested coatings. Tempering at different temperatures showed formation of retained austenite; this fact was confirmed after X-ray diffraction analysis. Different extent of plastic deformation was accomplished to all test batches on the purpose of evaluation of influence on the wear performance of coatings. Wear results showed proportional dependence of rate of deformation and weight loss values. Addition of graphite helped to reach the lowest wear of coatings obtained using the flux alloyed with cemented tungsten carbide and high-speed tool steel (weight loss 0.12 and 0.148 g, respectively).

Journal

Welding in the WorldSpringer Journals

Published: May 2, 2017

References

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