Zobrazeno 1 - 10
of 393
pro vyhledávání: '"UHTCs"'
Autor:
Li Lu, Qingbo Wen, Jinrun Hu, Tianxing Jiang, Xiangchao Ren, Yalei Wang, Yi Zeng, Xiang Xiong
Publikováno v:
Journal of Advanced Ceramics, Vol 13, Iss 7, Pp 1043-1059 (2024)
Dense monolithic (Ti,Zr,Hf)C/SiC ceramic nanocomposites with four different molar ratios of metallic elements in the (Ti,Zr,Hf)C phase (i.e., Ti : Zr : Hf = 1 : 1 : 1, 2 : 3 : 5, 2 : 3 : 3, and 1 : 2 : 1) were prepared upon pyrolysis of novel (Ti,Zr,
Externí odkaz:
https://doaj.org/article/8472e7332c1d46f9bd66d78bf460f8e1
Autor:
Cynthia Sin Ting Chang, Marcus Wyss, Michal Andrzejewski, Geoffrey Darut, Lukas Graf, Vladimir Novak, Margie Olbinado, Susanne Erpel, Alexander Vogel, Simon Bode, Michael de Wild, Armando Salito
Publikováno v:
Open Ceramics, Vol 20, Iss , Pp 100698- (2024)
The microstructure, crystallographic phases, and mechanical properties of a newly developed Al2O3 – TiO2 – ZrO2 ternary ceramic coating were characterized. The coatings were produced by atmospheric plasma spraying as a preblended powder on Ti-6Al
Externí odkaz:
https://doaj.org/article/1f07427aac3548cea2af274be36b0e85
Autor:
Alessandro Rizzi, María García-Fernández, Miguel Á. Rodríguez, Emanuele De Bona, Rodrigo Moreno, Mattia Biesuz
Publikováno v:
Open Ceramics, Vol 19, Iss , Pp 100661- (2024)
TiC features an interesting combination of mechanical properties, high-temperature resistance, and lightness, making it an excellent candidate for several applications in harsh environments. However, its sintering to obtain bulk components is extreme
Externí odkaz:
https://doaj.org/article/cb15ab09b8f24480b5240738ad84baed
Publikováno v:
Advanced Powder Materials, Vol 3, Iss 4, Pp 100189- (2024)
Multiphase design is a promising approach to achieve superior ablation resistance of multicomponent ultra-high temperature ceramic, while understanding the ablation mechanism is the foundation. Here, through investigating a three-phase multicomponent
Externí odkaz:
https://doaj.org/article/df4934139f3045efbe97d3a2d74cccd6
Insight into the effect of Ti substitutions on the static oxidation behavior of (Hf,Ti)C at 2500 °C
Autor:
Shiyan Chen, Zhaoke Chen, Jinming Wang, Yi Zeng, Weilong Song, Xiang Xiong, Xingchao Li, Tongqi Li, Yichen Wang
Publikováno v:
Advanced Powder Materials, Vol 3, Iss 2, Pp 100168- (2024)
Hf-based carbides are highly desirable candidate materials for oxidizing environments above 2000 °C. However, the static oxidation behavior at their potential service temperatures remains unclear. To fill this gap, the static oxidation behavior o
Externí odkaz:
https://doaj.org/article/495b0786289942b08b00a5d4e7889852
Publikováno v:
Journal of Advanced Ceramics, Vol 12, Iss 10, Pp 1989-2002 (2023)
Multicomponent boron-containing carbide coatings (i.e., (Zr,Ti)CxBy) on a C/C composite show good ablation resistance. However, the high-temperature oxidation behavior of this new type of boron-containing (Zr,Ti)CxBy solid solution ceramics has not b
Externí odkaz:
https://doaj.org/article/6e0cafbc86ee4ffcb5a8645d11afd1c1
Autor:
Diletta Sciti, Antonio Vinci, Luca Zoli, Pietro Galizia, Simone Failla, Stefano Mungiguerra, Giuseppe D. Di Martino, Anselmo Cecere, Raffaele Savino
Publikováno v:
Journal of Advanced Ceramics, Vol 12, Iss 7, Pp 1345-1360 (2023)
Ultra-high-temperature ceramic matrix composites (UHTCMCs) based on a ZrB2/SiC matrix have been investigated for the fabrication of reusable nozzles for propulsion. Three de Laval nozzle prototypes, obtained by sintering with either hot pressing (HP)
Externí odkaz:
https://doaj.org/article/f38f0eb104bd47c5bafbe31404e978cd
Publikováno v:
Fibers, Vol 12, Iss 5, p 43 (2024)
In this study, the hyperbaric (2 bar) laser chemical vapor deposition of TiC fibers grown under various percent pressures of hydrogen and ratios of ethylene and titanium tetrachloride (2:1 or 1:1) are reported. In the hydrogen-rich (85%) condition, s
Externí odkaz:
https://doaj.org/article/4db853883b744f87bb5fabbe2e1a80ce
Publikováno v:
Journal of Advanced Ceramics, Vol 12, Iss 1, Pp 155-168 (2023)
A new additive technique for manufacturing of short fibre-reinforced ultra-refractory ceramics is presented. This technique allows the fabrication of solvent-free, thin (~100 µm), flexible, and easy-to-handle sheets suitable for fabricating homogene
Externí odkaz:
https://doaj.org/article/5afd607d859940a2a35a5de106a8753b
Autor:
Ruiji ZHANG, Fangwei GUO, Xing ZHANG, Wenchen ZHANG, Li HU, Desheng LIU, Xiaofeng ZHAO, Xin WANG
Publikováno v:
Journal of Advanced Ceramics, Vol 12, Iss 1, Pp 132-144 (2023)
Spiral fibers were considered to be an ideal toughening phase of ultra-high torsional release effect. In this work, ZrB2 (Z)–20 vol% SiC (S) spiral fiber (ZSsf) with controllable structure was prepared by a combination approach of liquid rope effec
Externí odkaz:
https://doaj.org/article/babed9149f7e4b4db470dcaa46fb792d