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Title: Tribological behavior of four types of filler metals for hard facing under dry conditions
Authors: Arsić, Dušan
Lazic, Vukic
Mitrovic, Slobodan
Dzunic, Dragan
Aleksandrovic, Srbislav
Djordjević M.
Nedeljković B.
Issue Date: 2016
Abstract: © Emerald Group Publishing Limited. Purpose - The purpose of this study is to show which filler metal is the best for hard facing. Because the quality of the surface layer has a great influence on the working life of parts, the purpose was to extend the working life of parts exposed to intensive wear. The tested hard-faced models were made of low carbon steel to save the expensive base metal and to analyze the possibilities of extending the service life of existing structural parts. Design/methodology/approach - Samples were prepared from plates hard faced with various filler metals. Samples were then subjected to experimental testing - testing of tribological properties and hardness and microstructure. Testing was done in conditions similar to real ones - with a sliding speed of 0.25, 0.5 and 1 m/s and with a load of 50, 75 and 100 N and in most rigorous dry conditions. Research was done by using a combination of experimental and theoretical approaches. Findings - The paper shows the results of the experimental testing of four different filler metals aimed for hard facing of parts exposed to highly intensive wear. Results shown that CrWC 600 alloy is the most favorable filler metal for hard facing of parts such as those of construction mechanization and those subjected to intensive abrasive wear at stone mines. Practical implications - All obtained results are real and fully applicable, as there is a huge industrial need for these types of technologies. With the application of these technologies, beside money savings, the working life of parts can be significantly extended. Originality/value - The research presented in this paper was conducted because of the lack of results from this area in Serbia and because of the necessity for application of obtained results in companies for road maintenance and stone excavation in the region of Šumadija, Serbia.
Type: article
DOI: 10.1108/ILT-10-2015-0156
ISSN: 0036-8792
SCOPUS: 2-s2.0-84991239757
Appears in Collections:Faculty of Engineering, Kragujevac

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