Effect of alloying additives on impact-abrasive wear of manual arc welded hadfield steel hardfacings |
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| Authors: | V Jankauskas M Antonov E Katinas I Gedzevicius |
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| Affiliation: | 1.Aleksandras Stulginskis University,Akademija, Kaunas dist.,Lithuania;2.Tallinn University of Technology,Tallinn,Estonia;3.Vilnius Gediminas Technical University,Vilnius,Lithuania |
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| Abstract: | The results of studying the impact-abrasive wear of manual arc welded Hadfield steel hardfacings and this steel alloyed with Cr, Ni, Mo, B, Cu, and Si, both without and with coarse-grained tungsten carbide reinforcement, are presented. It has been found that under conditions of impactless wear the presence of the hardening phase in the Hadfield steel increases its wear by 40% on average compared to the wear of the base and alloyed Hadfield steels. With an increase in the impact energy from 2.8 to 5.6 J, the wear of the reinforced Hadfield steels decreases and becomes comparable with the wear of the base and alloyed Hadfield steels. Under the conditions of erosion by coarse particles, layers of the Hadfield steel reinforced by tungsten carbide have slightly lower wear rate than unreinforced ones. |
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