Reciprocating wear behavior of mild steel carburized using Na₂CO₃-NaCl

Willey Y. H. Liew, and Roonie Protasius, and Jester L.J. Ling, and Nancy Julius Siambun, and Noor Ajian Mohd Lair, (2016) Reciprocating wear behavior of mild steel carburized using Na₂CO₃-NaCl. Tribology Transactions, 95. pp. 406-418. ISSN 1040-2004


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The surface of the mild steel carburized using Na2CO3–NaCl was dominated by retained austenite. Towards the core, the amount of austenite reduced while the amount of martensite increased. Increasing the duration of the carburization resulted in higher peak hardness and case depth. It also increased the amount of cementite in the grain boundaries and the austenite grains size, rendering the steel more susceptible to cracking. The superior wear resistance of the martensite, as compared to the austenite, could be attributed to its high cracking and adhesive wear resistance owing to its high hardness and tendency to form oxides. The friction was governed by the wear mechanism and the type of microstructure at the worn scar sliding on the carbide ball.

Item Type: Article
Uncontrolled Keywords: Friction, Microstructure, Mild steel, Wear
Subjects: T Technology > TJ Mechanical engineering and machinery
Divisions: FACULTY > Faculty of Engineering
Depositing User: Unnamed user with email
Date Deposited: 03 Aug 2016 06:14
Last Modified: 23 Oct 2017 05:31

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