Zirconium carbide - Wikipedia
网页Zirconium carbide (Zr C) is an extremely hard refractory ceramic material, [7] commercially used in tool bits for cutting tools. It is usually processed by sintering. Properties. It appears as a gray metallic powder with cubic crystal structure. It is highly corrosion resistant.
On the stoichiometry of zirconium carbide | Scientific Reports
网页2020年4月14日 · Zirconium carbide (ZrC) is a much-promising material, it has received increased interest recently as an alternative material to silicon carbide (SiC) in nuclear fuel applications...
An investigation of the long-range and local structure of sub ...
网页2020年2月20日 · In this study a method is outlined to quantify the stoichiometry of ZrC 1−x and free carbon phases, providing an improvement over the sole use and reliance of widely adopted bulk carbon ...
Ultra-High-Temperature Ceramic Coatings ZrC, ZrB2, HfC, and HfB2
网页Zirconium and hafnium refractory carbide coatings are frequently employed in ultra-high-temperature applications. They create quite dense coatings that offer excellent protection against airborne oxidation, corrosion, and ablation. They have been frequently employed to give silicon-based alloys and carbon–carbon composites a protective covering.
The effect of carbon vacancy on the properties of ZrC by MEAM ...
网页2024年6月1日 · A novel second-nearest-neighbor (2NN) modified embedded atom method (MEAM) potential for Zr–C system has been developed. The lattice constants, formation enthalpy, mechanical properties of stoichiometric ZrC have been reproduced.
Self-assembly of Carbon Vacancies in Sub-stoichiometric ZrC …
网页2015年12月15日 · Sub-stoichiometric ZrC 1−x is taken as a pseudo “binary solid solution” consisting fully occupied Zr-sublattice and mixing of carbon atoms and vacancies at C-sublattice.
Mechanical and thermal properties of densified ZrC
网页2024年4月1日 · The effects of carbon concentration on the densification, microstructure, mechanical and thermal properties of ZrC x have been systematically investigated. The present study demonstrates an efficient processing way for the preparation of dense ZrC x and the effect of carbon composition and density on properties of ZrC x ceramics. 2 ...
ZrC modified carbon/carbon composites using ZrSi2 and Zr-Cu …
网页This work highlights the viability of Zr-Cu instead of ZrSi 2 as a reactive infiltrating material, providing a novel idea of rapid synthesis of C/C-ZrC composites at a low cost while ensuring high mechanical and anti-ablation properties.
Zirconium Carbide for Hypersonic Applications, Opportunities and …
网页2023年9月11日 · While Carbon/Carbon (C/C) composites (carbon fibers and carbon matrix phases) are currently the materials of choice, zirconium carbide (ZrC) provides an option in hypersonic environments and specifically in wing leading edge (WLE) applications.
Microstructure and Ablation Property of a Carbon/Carbon–ZrC …
网页2015年7月14日 · A carbon/carbon–ZrC(C/C–ZrC) composite was fabricated by reactive infiltration of a Zr–40 wt% Cu powder mixture. The C/C–ZrC composite was composed of C, ZrC, and residual Cu. Continuous ZrC layers around the pyrolytic carbon and isolated ZrC particles dispersed in Cu were detected.
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