Results 1 to 10 of about 6,077 (160)

Advances in ultra-high temperature ceramics, composites, and coatings [PDF]

Journal of Advanced Ceramics, 2021
Ultra-high temperature ceramics (UHTCs) are generally referred to the carbides, nitrides, and borides of the transition metals, with the Group IVB compounds (Zr & Hf) and TaC as the main focus.
Dewei Ni, Yuan Cheng, Jiaping Zhang, Ji-Xuan Liu, Ji Zou, Bowen Chen, Haoyang Wu, Hejun Li, Shaoming Dong, Jiecai Han, Xinghong Zhang, Qiangang Fu, Guo-Jun Zhang   +12 more
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Ti3C2Tx MXene‐Zirconium Diboride Based Ultra‐High Temperature Ceramics [PDF]

Advanced Science
MXenes are a family of two‐dimensional (2D) transition metal carbides, nitrides, and carbonitrides with potential applications in ceramics and composites due to their nanometer‐thick morphology, hydrophilic surfaces, and negative zeta potentials. In this
Srinivasa Kartik Nemani, Nicola Gilli, Steven Goldy, Ankit Kumar, Yooran Im, Austin J. Vorhees, Brian C. Wyatt, Nithin Chandran BS, Nikhilesh Chawla, Garritt J. Tucker, Laura Silvestroni, Babak Anasori   +11 more
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Room-temperature-densified H3BO3 microwave dielectric ceramics with ultra-low permittivity and ultra-high Qf value

Journal of Materiomics, 2020
With the rapid development of mobile communication technology towards 5G and 6G, the microwave dielectric materials with ultra-low permittivity and ultra-high Qf value are urgently demanded.
Wen Bin Hong, Lei Li, Han Yan, Shu Ya Wu, Hang Sheng Yang, Xiang Ming Chen   +5 more
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Fractal Geometry and Convolutional Neural Networks for the Characterization of Thermal Shock Resistances of Ultra-High Temperature Ceramics

Fractal and Fractional, 2022
The accurate characterization of the surface microstructure of ultra-high temperature ceramics after thermal shocks is of great practical significance for evaluating their thermal resistance properties.
Shanxiang Wang, Zailiang Chen, Fei Qi, Chenghai Xu, Chunju Wang, Tao Chen, Hao Guo   +6 more
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Research development of ultra-high temperature ceramics

AIP Advances
Ultra-high temperature ceramics (UHTCs) have excellent high temperature resistance, corrosion resistance, and mechanical properties and are currently a hot research topic worldwide, but there are still many problems to be solved. It can improve oxidation
Jiamei Li, Ye Chen, Lingqing Zhao, Zhengguang Li   +3 more
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Ultrawide-temperature-stable high-entropy relaxor ferroelectrics for energy-efficient capacitors [PDF]

Nature Communications
The development of dielectric ceramics that simultaneously achieve high energy density and ultra-broad temperature stability remains a fundamental challenge for advanced electrostatic capacitors.
Shiyu Zhou, Yucheng Zhou, Linhai Li, Zhenhao Fan, Wenfeng Yue, Zhengqian Fu, Xuefeng Chen, Baixiang Xu, Tengfei Hu, Dawei Wang, Tongqing Yang   +10 more
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Fabrication of polycrystalline cubic boron nitride composites under high pressure [PDF]

Processing and Application of Ceramics, 2023
The PCBN (polycrystalline cubic boron nitride) composites were synthesized by mixing cubic boron nitride micropowders with Ti and Al micropowders at a certain mass ratio under high temperature and ultra-high pressure conditions.
Mo Peicheng, Chen Jiarong, Chen Chao, Qin Haiqing, Lin Feng   +4 more
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Ultra-high temperature ceramics developments for hypersonic applications [PDF]

CEAS Aeronautical Journal, 2020
Ultra-High Temperature Ceramics (UHTC) are good candidates to fulfil the harsh requirements of hypersonic applications. For more than a decade, ONERA has been actively involved in several programs to develop such materials for different applications (hypersonic flights, propulsion systems ...).
Justin, Jean-François, Julian-Jankowiak, Aurélie, Guérineau, Vincent, Mathivet, Virginie, Debarre, Antoine   +4 more
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Ultra-high temperature ceramics modified carbon/carbon composites

Cailiao gongcheng, 2021
Carbon/Carbon(C/C) composites are widely used in aerospace industry due to their diverse advantages such as low density, reliable thermal shock resistance and excellent mechanical properties at elevated temperatures.
XIE Qi-ying, ZHANG Yi, ZHU Yang, CUI Hong   +3 more
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Arc-jet testing of ultra-high-temperature-ceramics [PDF]

Aerospace Science and Technology, 2010
The article deals with arc-jet experiments on different Ultra High Temperature Ceramics models in high enthalpy hypersonic non equilibrium flow. Typical geometries for nose tip or wing leading edges of interest for hypersonic vehicles, as rounded wedge, hemisphere and cone are considered.
SAVINO, RAFFAELE, De Stefano Fumo M., Paterna D., Di Maso A., Monteverde F.   +4 more
openaire   +8 more sources