|About this Abstract
||2017 TMS Annual Meeting & Exhibition
||Advanced High-Strength Steels
||F-16: Mechanical Evaluation of Hypo and Hypereutectic Chromium Carbide Hard Facing Steel
||Yasser Fouad, Bakr M. Rabeeh, Hamad F. Alharbi
|On-Site Speaker (Planned)
The abrasion resistance and mechanical performance of three selected hard-facing alloy grades reinforced with primary chromium carbides, complex carbides and tungsten carbides were studied. Microstructure characterization and surface analysis were made using optical and scanning electron microscopy. The results showed that the wear resistance is determined by the size, shape, distribution and chemical composition of the carbides, as well as by the matrix microstructure, highest wear resistance was obtained from tungsten carbides chromium tungsten carbides presence in a fishbone shape type of M₆C and presence of excessive stress cracks which causes law bending ability while for chromium carbides and Chromium Molybdenum carbide the presence of primary carbides M₇C₃ and formation of complex carbides Mo₂C in an austenite eutectic matrix offered accepted bending strength and wear resistance approximately 14 times more than for carbon steel and 7 times more than for alloyed quenched and tempered steel.
||Planned: Supplemental Proceedings volume