Open Access
Issue
ESOMAT 2009
2009
Article Number 06017
Number of page(s) 4
Section Applied Research and Applications: Testing and Modelling
DOI https://doi.org/10.1051/esomat/200906017
Published online 01 September 2009
ESOMAT 2009, 06017 (2009)
DOI: 10.1051/esomat/200906017

The Effects of Nickel and Carbon Concentrations on the Wear Resistance of Fe-Ni-C Austenitic Alloys

Shin Gyeong Su, Ji Hui Kim and Seon Jin Kim

Division of materials science and engineering, Hanyang university, Seoul, 133-791, Korea

alloylab@hanyang.ac.kr

Published online: 1 September 2009

Abstract
The effects of nickel and carbon concentrations on the wear resistance of Fe-xNi-yC (x=14~20 wt. %, y=0.6~1.0 wt. %) were investigated with respect to strain energy initiation of the martensitic transformation and hardness. The strain energy needed to initiate the martensitic transformation increased with increasing carbon and nickel concentrations, except in 1.0 wt. % C alloys. The wear resistance of the material decreased with increasing carbon concentration up to 0.9 wt. % C. This effect is most likely due to decrement of the martensite volume fraction with increasing carbon concentration induced by the incremental strain energy required to begin the martensitic transformation. In the case of 1.0 wt. % C, the improved wear resistance may be due to carbide precipitation.



© Owned by the authors, published by EDP Sciences 2009

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