Results 91 to 100 of about 549 (213)

Near-net shape fabrication process of ZrB2-SiC ceramics using highly concentrated ZrB2 slurries and a precursor impregnation & pyrolysis process

Materials & Design
Near-net-shape fabrication of ZrB2–SiC ultra-high-temperature ceramics (UHTCs) remains challenging due to shrinkage and deformation during drying and densification, which compromise dimensional accuracy and densification reliability.
Hyun-Hee Choi, Yun Zou, Ji-Su Yoon, Sea-Hoon Lee   +3 more
doaj   +1 more source

UNIFIED THERMAL SHOCK RESISTANCE OF ULTRA-HIGH TEMPERATURE CERAMICS UNDER DIFFERENT THERMAL ENVIRONMENTS

, 2014
The thermal shock resistance (TSR) of the ultra-high temperature ceramic (UHTC) plate under convective environments is studied. The critical failure temperature difference has a danger temperature range about the thermal shock initial temperature ...
Zhang, Chuanzeng, Li, Weiguo, Cheng, Tianbao, Fang, Daining   +3 more
core   +1 more source

Probing solid-state diffusion and its synergistic role with preferential oxidation in enhancing the ablation performance of multiphase multicomponent carbide

Journal of Advanced Ceramics
Multiphase multicomponent ultrahigh-temperature ceramics (UHTCs) hold great promise for achieving better ablation performance because of their broader structure and compositional tunability.
Ziming Ye, Jiao Hu, Yi Zeng, Xiang Xiong, Nan Ye, Haiou Zhuo, Ben Huang, Jiancheng Tang, Huilin Lun   +8 more
doaj   +1 more source

Dual-Porosity (Ta_0.2Nb_0.2Ti_0.2Zr_0.2Hf_0.2)C High-Entropy Ceramics with High Compressive Strength and Low Thermal Conductivity Prepared by Pressureless Sintering. [PDF]

Materials (Basel), 2023
Yang Q, Li C, Ouyang H, Gao R, Shen T, Huang J.   +5 more
europepmc   +1 more source

Ultra High Temperature Ceramics' Processing Routes and Microstructures Compared

, 2009
Ultra High Temperature Ceramics (UHTCs), such as HfB2 and ZrB2 composites containing SiC, are known to have good thermal shock resistance and high thermal conductivity at elevated temperatures.
Lau, Kai-Hung, Stackpoole, Mairead, Gusman, Michael, Sanjurjo, Angel, Gasch, Matt, Johnson, Sylvia   +5 more
core  

Non-oxide ceramic composites prepared by sol-gel and spark plasma sintering processes

, 2017
Ultra High Temperature Ceramics (UHTCs) are the most promising candidates for high temperature applications in extreme environments, such as conditions experienced during re-entry of out space flying objects, for their known high melting points, good ...
Zhou, Manyuan (3773758)
core   +1 more source

Revealing the solid-state reaction process among multiphase multicomponent ceramic during ablation

Advanced Powder Materials
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.
Ziming Ye, Yi Zeng, Xiang Xiong, Sen Gao, Chen Shen, Shiyan Chen, Tianxing Jiang, Ge Yang   +7 more
doaj   +1 more source

Advances in Ablation or Oxidation Mechanisms and Behaviors of Carbon Fiber-Reinforced Si-Based Composites. [PDF]

Molecules, 2023
Zuo H, Ruan F, Wang H, Wang H, Wang X, Huang Y, Wang R, Zou L, Xu Z, Li D.   +9 more
europepmc   +1 more source

Advanced Synthesis of Ultra-High Temperature Ceramics (UHTCs) and High Temperature Electron Emitting Materials

From space exploration and advanced aircraft to next generation weapons, achieving hypersonic speed is becoming increasingly important across a range of research domains.
Mondal, Santanu
core  

(Ti,Zr,Hf,Ta)CN/SiCN: A new ultrahigh-temperature ceramic nanocomposite with excellent mechanical properties and ablation resistance

Journal of Advanced Ceramics
Dense monolithic (Ti,Zr,Hf,Ta)CN/SiCN ceramic nanocomposites are prepared via the pyrolysis of novel (Ti-,Zr-,Hf-,Ta)-containing single-source precursors (SSPs) and spark plasma sintering (SPS) with a high heating rate.
Tianxing Jiang, Qingbo Wen, Li Lu, Shasha Tao, Shuibin Wang, Jinrun Hu, Yi Zeng, Xiang Xiong   +7 more
doaj   +1 more source