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Meeting MS&T21: Materials Science & Technology
Symposium Powder Metallurgical Components in High Performance Applications
Presentation Title Cemented Carbides with Complex Binder Alloys
Author(s) Yong Liu
On-Site Speaker (Planned) Yong Liu
Abstract Scope Cemented carbides are important powder metallurgical tooling materials. Substitution of the traditional cobalt by other cheaper alloy elements is an emerging technology due to low-cost requirements. On the other hand, the fracture toughness of Co-lean cemented carbides should also be improved. The authors recently investigated the effect of using complex-alloy system, inclusing Fe, Co, Cr and Ni elements instead of single Co on the mechanical properties of cemented carbides, and showed possitive improvement of fracture toughness and wear resistance. It indicated that the microstructures of the new binder-WC systmen can be kept in binary phase region on the condition that the carbon content is carefully controlled, at the same time, WC grain sizes in a wide range have been tested for the applicability of new binders. The fracture mechansim, including the fracture toughness in the wake of cracks and their propagation process, was theoratical analysed.
Proceedings Inclusion? Planned: At-meeting proceedings

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Cemented Carbides with Complex Binder Alloys
Development of Eco-friendly POM Binder System for High Strength Ti-MIM
Development of Resistance Based Sintering for Metal Powders
Dispersing Tailored Nanoparticles through Powder Metallurgy Consolidation
Effect of Manufacturing Parameters on Inoculated PM Tool Steel Properties
Fabrication of Titanium and Titanium Alloy Components by Thermomechanical Powder Consolidation
High-strength Titanium Matrix Composites Reinforced with In Situ Polycarbosilane-derived TiC Particle
Microstructural Uniformity duringSsintering, Thermal-plastic Processing and Recrystallization of Tungsten
Selective Laser Melting of Metallic Glass Powder to Improve Chemical and Mechanical Performance of Magnesium
Synthesis of Low-oxygen Titanium towards Achieving Strength-ductility Synergy
Synthesis, Sintering and Mechanical Behavior of Ultra-fine Low-oxygen Titanium Powder
Thermodynamic Model for Predicting the Embodied Energy of Titanium Alloys Produced by Powder Metallurgy

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