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Title: Impact of the hard facing technology and the filler metal on tribological characteristics of the hard faced forging dies
Authors: Arsić, Dušan
Lazic, Vukic
Samardžić I.
Nikolic, Ruzica
Aleksandrović S.
Djordjević M.
Hadzima, Branislav
Journal: Tehnicki Vjesnik
Issue Date: 1-Jan-2015
Abstract: © 2015, Strojarski Facultet. All rights reserved. The forging dies are parts, which are operating at elevated temperatures, while simultaneously subjected to variable loads that can be compressive - even impact and shear. Impact of the hard facing technology is very strong since varying of the hard facing parameters directly affects the output characteristics of the hard faced layers. The criterion for estimating that impact was based on results of performed tribological investigations. The tribological parameters that were monitored were the friction coefficient, the wear scar/trace width and the wear area of the hard faced layers, with the two different types of lubricants. Hard facing technology implied selection of the welding process, filler metals, preheating temperatures and other parameters of the hard facing process. The influence of the proposed hard facing technology was determined by monitoring hardness, microstructure and wear resistance of the executed joints after the hard facing and after tempering. The objective of this work was to establish the correlation between the selected hard facing technology, filler metals and applied heat treatment on mechanical and tribological characteristics of the executed hard faced layers.
Type: Article
DOI: 10.17559/TV-20150408152638
ISSN: 13303651
SCOPUS: 84946016180
Appears in Collections:Faculty of Engineering, Kragujevac
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