|About this Abstract
||2017 TMS Annual Meeting & Exhibition
||Pan American Materials Congress: Steels
||The Development of NbC Reinforced Martensitic Stainless Steel Composites for High Wear and Corrosive Environments
||Wen Hao Kan, Qaiser Ihsan Gondal , Xin Zhou, Jiahui Li, Zi Jie Ye, Yue Zhu, Vijay Bhatia, Kevin Dolman, Timothy Lucey, Xinhu Tang, Chang Li, Gwénaëlle Proust, Julie Cairney
|On-Site Speaker (Planned)
In order to develop a viable replacement for the high chromium white cast irons that are typically used in mining and mineral processing industries, martensitic stainless steels reinforced with NbC have been developed using a vacuum induction furnace. Microscopy was used to compare the microstructures obtained for these new composites prepared using sand moulds versus graphite moulds. The wear performance was then compared to that of an appropriate high chromium white cast iron benchmark using pin on disc tests. SiC, Si3N4, WC and ZrO2 balls were used as pin materials and the results of all test types revealed that the composites offered better wear performance than the cast iron benchmark even for low total carbide volume fractions. Finally, the impact of NbC reinforcement on the corrosion resistance of these composites was evaluated using electrochemical accelerated corrosion tests.
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