DIBORIDE

作品数：25被引量：75H指数：5
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Dual-phase medium-entropy diboride–carbide ceramics with metal element exchange during sintering
《Journal of Advanced Ceramics》2025年第1期91-100,共10页Pai Peng Ji-Xuan Liu Xiao-Ting Xin Weichao Bao Yongcheng Liang Fangfang Xu Guo-Jun Zhang 
financially supported by the National Natural Science Foundation of China(Nos.52032001,52371023,52332003,and 52211540004);the Fundamental Research Funds for the Central Universities(No.2232024G-07).
Multiphase composition design is a strategy for optimizing the microstructures and properties of ceramic materials through mutual inhibition of grain growth, complementary property improvement, or even mutually reinfo...
关键词：medium-entropy diboride medium-entropy carbide dual-phase medium-entropy ceramics metal element exchange densification mechanical properties 
Effect of grain size on mechanical properties and tribological behavior of size-tunable high entropy diboride ceramics obtained by two-step SPS sintering
《Journal of Advanced Ceramics》2024年第11期1835-1843,共9页Yao Yang Jianqiang Bi Linjing Qiao Guandong Liang Shuyong Liang Shushuai Liu Shaoyin Wang Hongyu Gong Zhao Qian Jinwang Shi Weiqiang Li 
supported by the Key R&D Program of Shandong Province,China(2023CXGC010305).
High-entropy diboride(HEB)ceramics constitute a novel class of ultrahigh-temperature ceramics that are appealing for applications in extreme environments.The relative density and grain size play important roles in tai...
关键词：high-entropy diborides(HEBs) two-step sintering mechanical properties tribology microstructure regulation 
Thermodynamics aided design of hBN-capsulated diboride powders from novel nitrate precursors for high entropy ceramics
《Journal of Materials Science & Technology》2024年第11期133-142,共10页Hailing Yang Ji Zou Zhimin Xiong Jingjing Liu Weimin Wang Zhengyi Fu 
National Natural Science Foundation of China(Nos.52022072,52332003,51972243,52293373 and 92060202);National Key R&D Programmer(No.2021YFB3701400);Hubei Provincial Natural Science Foundation of China(Distinguished Young Scholars 2022CFA042);Independent Innovation Projects of the Hubei Longzhong Laboratory(No.2022ZZ-10).
Hexagonal BN-coated powders have been widely used in various engineering sectors,however,their pro-ductions are restricted by the complexity of gas-solid reactions.In this study,guided by thermodynamics,a novel approa...
关键词：High entropy boride Boro/carbothermal reduction Sol-gel Core-shell powders DENSIFICATION 
Toughened (Ti_(0.2)Zr_(0.2)Hf_(0.2)Nb_(0.2)Ta_(0.2))B_(2)–SiC composites fabricated by one-step reactive sintering with a unique SiB_(6) additive被引量：1
《Journal of Advanced Ceramics》2024年第1期86-100,共15页Wei Hao Xinzhe Lu Ling Li Tao Wang Guoliang Ren Huangyue Cai Xiaofeng Zhao Dongyun Wang Na Ni 
supported by the National Natural Science Foundation of China(No.52072238);Key Research and Development Program of Zhejiang Province(No.2022C01139).
High-entropy diboride has been arousing considerable interest in recent years.However,the low toughness and damage tolerance limit its applications as ultra-high-temperature structural materials.Here we report that a ...
关键词：high-entropy diboride silicon hexaboride boro/carbothermal reduction reactive sintering fracture toughness 
Neutron diffraction study on anomalous thermal expansion of CrB_(2)被引量：1
《Chinese Journal of Structural Chemistry》2023年第5期8-12,共5页Yong Xu Xin Chen Yili Cao Kun Lin Chin-Wei Wang Qiang Li Jinxia Deng Jun Miao Xianran Xing 
supported by National Key R&D Program of China(2020YFA0406202);National Natural Science Foundation of China(22090042,21731001,22275015 and 21971009);Neutron diffraction experiments were carried out on WOMBAT in Australian Nuclear Science and Technology Organization(ANSTO).
Thermal expansion is an essential issue in the field of materials science and engineering.Investigation of anomalous thermal expansion is beneficial to controlling it and developing related functions.Here,we report di...
关键词：Negative thermal expansion Neutron diffraction DIBORIDE 
Anisotropic thermal expansion in high-entropy multicomponent AlB_(2)-type diboride solid solutions
《International Journal of Extreme Manufacturing》2023年第1期331-343,共13页Frédéric Monteverde Mattia Gaboardi Federico Saraga Lun Feng William Fahrenholtz Gregory Hilmas 
financial support for the XRPD experiments (proposals nr. 20200101 and 20210215);supported by the U.S. National Science Foundation through Grant CMMI-1902069
High-entropy(HE)ultra-high temperature ceramics have the chance to pave the way for future applications propelling technology advantages in the fields of energy conversion and extreme environmental shielding.Among oth...
关键词：ultra-high temperature ceramics borides high-entropy ceramics spark plasma sintering synchrotron diffraction anisotropic thermal expansion 
Enabling highly efficient and broadband electromagnetic wave absorption by tuning impedance match in high-entropy transition metal diborides (HETMB_(2))被引量：12
《Journal of Advanced Ceramics》2021年第6期1299-1316,共18页Weiming ZHANG Fu-Zhi DAI Huimin XIANG Biao ZHAO Xiaohui WANG Na NI Rajamallu KARRE Shijiang WU Yanchun ZHOU 
supports from the National Natural Science Foundation of China(Grant Nos.51972089,51672064,and U1435206).
The advance in communication technology has triggered worldwide concern on electromagnetic wave pollution.To cope with this challenge,exploring high-performance electromagnetic(EM)wave absorbing materials with dielect...
关键词：transition metal diboride(TMB2) high-entropy(HE)ceramics electronic structure microwave absorption dielectric and magnetic losses coupling 
Understanding grain refining and anti Si-poisoning effect in Al-10Si/Al-5Nb-B system被引量：9
《Journal of Materials Science & Technology》2021年第6期190-201,共12页Yang Li Ying Jiang Bin Liu Qun Luo Bin Hu Qian Li 
supported by the National Natural Science Foundation of China(51871138);Science and Technology Commission of Shanghai Municipality(19010500400);the 111 project(No.D16002)。
Grain refinement is critical for fabricating high-quality Al-Si casting components in the application of automobile and aerospace industries,while the well-known Si-poisoning effect makes it difficult.Nbbased refiners...
关键词：Al-Si casting alloys Grain refinement Niobium diboride Interface Anti Si-poisoning 
Mechanical properties of hot-pressed high-entropy diboride-based ceramics被引量：27
《Journal of Advanced Ceramics》2020年第4期503-510,共8页Ji-Xuan Liu Xiao-Qin Shen Yue Wu Fei Li Yongcheng Liang Guo-Jun Zhang 
This work was supported by the National Natural Science Foundation of China(Nos.51532009,51872045);Science and Technology Commission of Shanghai Municipality(No.18ZR1401400);the Fundamental Research Funds for the Central Universities(Nos.2232018D3-32,2232019A3-13);State Key Laboratory for Modification of Chemical Fibers and Polymer Materials,Donghua University(No.19ZK0113).
High-entropy ceramics attract more and more attention in recent years.However,mechanical properties especially strength and fracture toughness for high-entropy ceramics and their composites have not been comprehensive...
关键词：high-entropy ceramics high-entropy diboride flexural strength fracture toughness indentation size effect 
Chrysanthemum-like high-entropy diboride nanoflowers: A new class of high-entropy nanomaterials被引量：12
《Journal of Advanced Ceramics》2020年第3期339-348,共10页Da LIU Honghua LIU Shanshan NING Yanhui CHU 
We acknowledge financial support from the National Key R&D Program of China(No.2017YFB0703200);National Natural Science Foundation of China(Nos.51802100 and 51972116);Young Elite Scientists Sponsorship Program by CAST(No.2017QNRC001);Guangdong Basic and Applied Basic Research Foundation(No.2019A1515012145).
High-entropy nanomaterials have been arousing considerable interest in recent years due to their huge composition space,unique microstructure,and adjustable properties.Previous studies focused mainly on high-entropy n...
关键词：high-entropy materials DIBORIDES NANOMATERIALS molten salt synthesis 
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