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Microstructure and wear properties of AISI 1038 H steel weldments

Microstructure and wear properties of AISI 1038 H steel weldments Purpose – To provide information about technical data; wear behaviour of worn rotor parts in mining industry and for the other application of ferrous alloys. Design/methodology/approach – Wear behaviour of the various filler wires were tested (tensile, hardness, and wear) and compared with each other in the light of microstructure, chemical, and mechanical properties. Findings – The results showed that the wear rates were significantly increased with the increasing load, welding current, wear distance and poor mechanical properties. A larger amount of C, Cr, and Mn specimen showed the best wear resistance since it contained a number of hard MC‐type carbides and coarse grains. Furthermore, for all materials the weight loss increases linearly with the increasing of welding arc current, load and wear distance. Research limitations/implications – It would be interesting to search about the toughness values and fatigue behaviour of these materials. It could be the good idea for future work could be concentrated fracture surface analysis of these materials. Practical implications – For these materials choosing the right chemical composition of the filler material, certain arc current and ideal microstructure is crutial for the wear response. Originality/value – The main value of this paper is to contribute and fulfil the mechanical properties of welding wires that is being studied so far in the literature such as the effects of chemical composition, applied road range, and arc current on the tensile, hardness and wear behaviours of the welding wires. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Industrial Lubrication and Tribology Emerald Publishing

Microstructure and wear properties of AISI 1038 H steel weldments

Industrial Lubrication and Tribology , Volume 58 (6): 9 – Nov 1, 2006

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References (20)

Publisher
Emerald Publishing
Copyright
Copyright © 2006 Emerald Group Publishing Limited. All rights reserved.
ISSN
0036-8792
DOI
10.1108/00368790610691383
Publisher site
See Article on Publisher Site

Abstract

Purpose – To provide information about technical data; wear behaviour of worn rotor parts in mining industry and for the other application of ferrous alloys. Design/methodology/approach – Wear behaviour of the various filler wires were tested (tensile, hardness, and wear) and compared with each other in the light of microstructure, chemical, and mechanical properties. Findings – The results showed that the wear rates were significantly increased with the increasing load, welding current, wear distance and poor mechanical properties. A larger amount of C, Cr, and Mn specimen showed the best wear resistance since it contained a number of hard MC‐type carbides and coarse grains. Furthermore, for all materials the weight loss increases linearly with the increasing of welding arc current, load and wear distance. Research limitations/implications – It would be interesting to search about the toughness values and fatigue behaviour of these materials. It could be the good idea for future work could be concentrated fracture surface analysis of these materials. Practical implications – For these materials choosing the right chemical composition of the filler material, certain arc current and ideal microstructure is crutial for the wear response. Originality/value – The main value of this paper is to contribute and fulfil the mechanical properties of welding wires that is being studied so far in the literature such as the effects of chemical composition, applied road range, and arc current on the tensile, hardness and wear behaviours of the welding wires.

Journal

Industrial Lubrication and TribologyEmerald Publishing

Published: Nov 1, 2006

Keywords: Wear; Hardness; Mechanical properties of materials; Gas‐shielded welding

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