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Mechanical properties of unidirectionally solidified cobalt base-TaC castings
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Catalyst-free synthesis and mechanical characterization of TaC nanowires
Science China Physics, Mechanics & Astronomy, 2021TaC nanowires are expected to be an ideal reinforcing material in ultra-high-temperature ceramics. However, their growth mechanisms and mechanical properties remain unclear, and low-cost large-scale synthesis has not been realised. In this study, bulk synthesis of [100]-oriented TaC nanowires is accomplished by carbothermal synthesis through a direct ...
Shiliang Wang +5 more
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Microstructure and mechanical properties of MoNbW(TaC)x composites
International Journal of Refractory Metals and Hard Materials, 2021Abstract In this study, novel MoNbW(TaC)x composites with eutectic-like structures were firstly prepared by arc melting. The composites consisted of body-centered cubic (BCC) structured high entropy alloy (HEA) and face-centered cubic (FCC) structured carbide (Mo, Nb, Ta, W)C. During the solidification, eutectic reaction occurred in the composites to
Guoqiang Luo +7 more
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Formation of Nanostructured Ni-TaC and Fe-TaC Composite Powders via Mechanical Alloying
Solid State Phenomena, 2016In this study, mixtures of 25 wt.% of tantalum carbide (TaC) and iron (Fe) or nickel (Ni) powders were mechanical alloyed against time in order to investigate the interactions between the reinforcement (harder TaC particles) and surrounding ductile metallic matrixes (Fe and Ni).
Aydin Şelte, Burak Özkal
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Densification and mechanical properties of TaC-based ceramics
Materials Science and Engineering: A, 2009Abstract Densification of TaC was enhanced while the grain growth was suppressed by adding 1 or 2 wt% B4C, which allowed mechanical properties to be analyzed. A relative density of >98% was achieved for TaC with B4C additions by hot pressing at 2100 °C. By comparison, additive-free TaC could be hot pressed to only 94% relative density at 2300 °C.
Xiaohong Zhang +2 more
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Effect of Multi-axial Forging on Mechanical Properties and Microstructure of AA7075/TaC Composites
Volume 1: Additive Manufacturing; Advanced Materials Manufacturing; Biomanufacturing; Life Cycle Engineering, 2023Abstract The objective of the current work is to develop a AA7075 reinforced Tantalum Carbide (1, 3, 5, and 7 wt%) composite through stir casting. The secondary process such as Multi-axial forging (MAF) followed by ageing was performed on AA7075/5TaC(S-4) composite to enhance the strength and ductility of composite.
John Samson Khalkho, D. Benny Karunakar
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Solid State Sciences, 2009
Abstract Carbon/carbon (C/C) composites with PyC/TaC/PyC or PyC/SiC/TaC/PyC multi-interlayers were prepared by isothermal chemical vapor infiltration, followed by Furan resin impregnation and carbonization. Microstructures, mechanical properties including flexural strength, ductile displacement, and fracture behaviors of composites were studied ...
Xiang Xiong +3 more
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Abstract Carbon/carbon (C/C) composites with PyC/TaC/PyC or PyC/SiC/TaC/PyC multi-interlayers were prepared by isothermal chemical vapor infiltration, followed by Furan resin impregnation and carbonization. Microstructures, mechanical properties including flexural strength, ductile displacement, and fracture behaviors of composites were studied ...
Xiang Xiong +3 more
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Consolidation and mechanical properties of hot pressed TaC-HfC-VC composites
Ceramics International, 2017Abstract The need to improve the extremely high melting temperature materials used in hypersonic applications, has led to the search for ultra-high temperature ceramics (UHTCs) such as TaC-based composites. In this study TaC-HfC-VC composites were prepared by hot pressing at 1700–2000 °C for 45 min under a uniaxial pressure of 40 MPa.
Firouz Rezaei +3 more
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Negotiation mechanism for TAC SCM component market
Proceedings of the fourth international joint conference on Autonomous agents and multiagent systems, 2005This paper presents a new negotiation mechanism and a new supplier model for Trading Agent Competition Supply Chain Management(TAC SCM). Under the new negotiation mechanism, an agent is allowed to negotiate with component suppliers on price, delivery date and supply quantity while a supplier can autonomously vary its production capacity with market ...
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