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Symposium 11

High Entropy Ceramics and Composites

High-entropy ceramics, covering a wide range of materials including high-entropy oxides, carbides, borides, nitrides, silicides, carbonitrides and borocarbonitrides, have various applications as structural and functional materials such as coating or high-temperature fields. The aim of this symposium is to provide a forum to exchange research ideas about.
state-of-the-art high-entropy ceramics, and their perspectives or emerging properties, for instance, thermomechanical properties, catalytic properties, ionic conductivity for batteries, magnetic properties, electrical properties and optical properties. The topics will be focused on the key issues to improve our understanding and knowledge of the high-entropy ceramics, as well as their huge development space and potential applications in the electrical, electronic, energy and aerospace industries.

Proposed sessions
ª Design rule of novel high-entropy ceramics
ª Modeling and theory computation of high-entropy ceramics
ª The utilization of machine learning in the high-throughput design of high-entropy ceramics ª Advanced processing of high-entropy ceramics
ª Multi-phase high-entropy ceramics and their properties
ª High-entropy ceramics based composites and their properties
ª High temperature properties of high-entropy ceramics
ª High-entropy ceramics utilized for the energy field
ª Future advanced high-entropy ceramics potentially applied in cutting tools, high temperature insulation and nuclear reactor

- Yujin Wang (Points of Contact), Harbin Institute of Technology, China, wangyuj@hit.edu.cn
- William G. Fahrenholtz, Missouri University of Science and Technology, USA
- Yanchun Zhou, Zhengzhou University, China
- Guo-Jun Zhang, Donghua University, China
- Jian Luo, University of California, San Diego, USA
- Ji Zou, Wuhan University of Technology, China
- Nita Dragoe, University Paris-Saclay, France
- Luca Spiridigliozzi, University of Cassino and Lazio Meridion, Italy
- Hailong Wang, Zhengzhou University, China
- Bai Cui, University of Nebraska, USA
- Demirskyi Dmytro, Tohoku University, Japan
- Salvatore Grasso, Qeen Mary University of London, UK

Keynote Speakers

  Yanchun Zhou, Zhengzhou University, China
  Tentative Title: Practical Design of High-entropy Ceramics for Structural and Functional Applications in High and Ultrahigh Temperature Environments
  Brief Bio: Yanchun Zhou holds a BSc in ceramics from Tsinghua University,
and an M.S. in ceramics and Ph.D. in metals from Institute of Metal Research, Chinese Academy of Sciences. He was a visiting scientist at the Institute of Strength Physics and Materials, Russian Academy of Sciences, and a post doc at University of Missouri-Rolla in the 1990’s. He was Professor and Director of High-performance Ceramic Division, Shenyang National Laboratory for Materials Science before moving to Aerospace Research Institute of Materials and Processing Technology in 2010. He became a professor at Zhengzhou University since 2022. Zhou has discovered more than 20 new ternary carbides and nitrides. His current interests and fields of research are designing, understanding the structural-property relations of damage tolerant ceramics for high and ultrahigh temperature applications. He has published more than 450 papers in peer-reviewed international journals with citations ca 22800 times with H-index of 78. He has received numerous prizes and awards, and was elected Academician of the World Academy of Ceramics in 2009, Fellow of ACerS in 2010 and Academician of Asian-Pacific Academy of Material in 2013.He served as a member of the Advisory Committee of WAC (2010-2014), and a member of the Nominating Committee of WAC (2010-2014), Chairman of the International Committee of the ECD-ACerS, Chair of Ross Coffin Purdy Award Committee of ACerS (2015). He also serves as Principle Editor of JMR, vice Editor-in-Chief of JMST, Editor of JACerS and J Adv Ceram.
  Hailong Wang, Zhengzhou University, China
  Tentative Title: Preparation and Superhard Properties of High-entropy Monoborides
  Brief Bio: Hailong Wang is a full professor, a supervisor of doctoral students and
deputy dean of School of Materials Science and Engineering of Zhengzhou University. He is also AE of the Journal of the American Ceramic Society and Journal of Advanced Ceramics.  His current research interests focus on high entropy ceramics and ultra high temperature ceramics. He has intensively studied the sintering, microstructure, mechanical property, and toughening mechanism of boride ceramics and has published >200 peer-reviewed papers, and be cited over 3500 times, with H-index of 32. 
  Jian Luo, University of California San Diego, USA
  Tentative Title: From High-Entropy Ceramics (HECs) to Compositionally Complex Ceramics (CCCs)
  Brief Bio: Jian Luo graduated from Tsinghua University with dual Bachelor's degrees:
one in Materials Science and Engineering and another in Electronics and Computer Technology. After receiving his M.S. and Ph.D. degrees from M.I.T., Luo worked in the industry for more than two years with Lucent Technologies Bell Laboratories and OFS. In 2003, he joined the Clemson faculty, where he served as an Assistant/Associate/Full Professor of Materials Science and Engineering. In 2013, he moved to University of California San Diego as a Professor of NanoEngineering and Professor of Materials Science and Engineering. Luo group’s current research focuses on interfaces in metals and ceramics, high-entropy and compositionally complex ceramics, ultrafast sintering and other novel ceramic processing technologies, high-temperature nanocrystalline alloys, and advanced materials for batteries and other energy-related applications. Luo received a National Science Foundation CAREER award in 2005 (from the Ceramics program) and an AFOSR Young Investigator award in 2007 (from the Metallic Materials program). He was a Vannevar Bush Faculty Fellow (2014) and a Minerals, Metals & Materials Society (TMS) Brimacombe Medalist (2019). Luo is a Fellow of the American Ceramic Society (2016), a Fellow of the ASM International (2022), and an Academician of the World Academy of Ceramics (2021).
  Ji Zou, Wuhan University of Technology
  Tentative Title: High Toughness High Entropy Diboride Ceramics Densified at Lower Temperature
  Brief Bio: Ji Zou is a full professor at the State Key Laboratory of Advanced
Technology for Materials Synthesis and Processing at Wuhan University of Technology. He graduated from Tianjin University in 2006 with a bachelor's degree in materials science and engineering. In 2011, he graduated from the Shanghai Institute of Ceramics, Chinese Academy of Sciences and received a doctorate. In the next eight years, he worked as a postdoctoral fellow and researcher at KU Leuven in Belgium, Stockholm University in Sweden, and University of Birmingham in UK. Prof Ji Zou has been engaged in basic science and industrial applications of boride based structural ceramics and composite materials. He serves as an associate editor of J Am Ceram Soc (2019-) and Int J Appl Ceram Technol (2021-), both journals of the American Ceramic Society. He also serves as an associated editor of Journal of Materials Science &Technology (2020-). He has published more than 100 papers in the field of structural ceramics such as Int Mater Rev, Acta Mater, Scr Mater, JMST, J Euro Ceram Soc and J Am Ceram Soc, which have been cited more than 3800 times.
  Nita Dragoe, Univ Paris-Saclay, France
  Tentative Title: High Entropy and Entropy-sabilized Oxides : Recent Developments and Physical Properties
  Brief Bio: After a master degree in inorganic chemistry in University of Bucharest,
Nita Dragoe obtained a PhD from Université Paris-Sud and University of Bucharest in materials science in 1996. He then joined University of Tokyo as JST-CREST postdoctoral fellow from 1997 to 2000 and then as a Lecturer in the Department of Applied Chemistry of University of Tokyo until 2001. From 2001 to 2004 he was Associate Professor in Université Paris-Sud and from 2004 he is a Professor at Université Paris-Sud (which later became Université Paris-Saclay). He had several visiting scientist or professor positions in Japan and China. His interests are related to synthesis and functional properties of advanced materials.
  Yujin Wang, Harbin Institute of Technology, China
  Tentative Title: Optimization design, microstructure evolution and performance improvement of High-entropy carbide
  Brief Bio: Yujin Wang is a full professor of materials science, Harbin Institute
of Technology (HIT). He was born in April 1974 in Heihe, Heilongjiang Province, China. He received his BS (1996), MS (1998) and PhD (2002) in materials science from HIT, China. He joined the faculty of Materials Science and Engineering at HIT in 2002. He was a visiting scholar at Department of Aerospace Engineering, University of Bristol, UK in 2008 for four months. In 2013, he was awarded for the program of New Century Excellent Talents in University (NCET) from the Ministry of Education of the People’s Republic of China. In 2022, he was awarded for the program of National High-level Talent from the Ministry of Education of the People’s Republic of China. In 2015, he was appointed as the head of Dept. Materials Science (HIT). Professor Wang’s research interests focus on Ultra-high temperature materials (UHTMs), such as refractory metals matrix composites, Ultra-high temperature carbide ceramics and high-entropy ceramics, etc. He presided over more than 30 national scientific research projects. Some achievements have been made in high-temperature deformation behavior and toughening mechanism of refractory metal matrix composites, low-temperature densification and toughening of ultra-high temperature ceramics, synthesis of ultrafine carbide powder, and industrialization of ceramic tools. He has won 4 items in total for the first, second and third prizes of provincial and ministerial science and technology awards, 19 authorized national invention patents, published more than 200 academic papers. He has served as one of Committee Members of the Chinese Heat Treatment Society (CHTS) and the Chinese Engineering Ceramics Society (CECS); and the Corresponding Member of International Institute for the Science of Sintering(IISS).

Invited Speakers

  Yang Miao, Taiyuan University of Technology, China
  Tentative Title: Preparation Optimization and CMAS Corrosion Behavior of Fluorite Structured High Entropy Oxides
  Yan Zhang, Guangdong University of Technology, China
  Tentative Title: Study on preparation and properties of high entropy boride ceramics
  Na Ni, Shanghai Jiao Tong University, China
  Tentative Title: Ionic Transport in A Site High Entropy AMnO3 and ACoO3 Oxides: Implications for Sintering and Electrochemical Properties
  Qiang Zheng, National Center for Nanoscience and Technology, China
  Tentative Title: AAtomic-scale Fine Structure Characterization and Property Tuning in High-entropy Oxides
  Lei Su, Xi'an Jiaotong University, China
  Tentative Title: Understanding the Microstructure Features and Formation Mechanisms of High Entropy Oxides at the Atomic Scale
  Fuzhi Dai, AI for Science Institute, Beijing, China
  Tentative Title: Application of Machine Learning Potential in High-entropy Ceramics
  Weichao Bao, Shanghai Institute of Ceramics, China
  Tentative Title: Irradiation Effect of High-entropy Carbide Ceramics
  Luchao Sun, Chinese Academy of Sciences, China
  Tentative Title: High Entropy Design and Critical Properties Optimization of Rare Earth Silicates for Environmental Barrier Coating
  Chengyu Zhang, Northwestern Polytechnical University, China
  Tentative Title: Annealing of a (Hf,Ta,Ti,Nb,Zr)C High-Entropy Ceramic up to 2100 oC: In-situ Removal of Oxide Impurities and Microstructural Modification
 Yichen Wang, Central South University, China
  Tentative Title: Oxidation Resistance of High Entropy Ceramics: Influence of Entropy Stabilization and Composition Design
  Xingang Wang, Shanghai Institute of Ceramics, Chinese Academy of Sciences, China
  Tentative Title: Ultra-high Strength of Medium-entropy Ultra-high Temperature Ceramics up to 1900°C
  Yiguang Wang, Beijing Institute of Technology, China
  Tentative Title: The Oxidation Behaviors of High Entropy Carbide Ceramic
  Yanhui Chu, South China University of Technology, China
  Tentative Title: Formation Ability Descriptors for High-entropy Diborides Established Through High-throughput Experiments and Machine Learning
  Min Niu, Xi'an Jiaotong University, China
  Tentative Title: Radiation effects in high entropy A2B2O7 ceramics
  Feng Gao, Northwestern Polytechnical University, China
  Tentative Title: High-entropy MeTiO3 Perovskite Thermoelectric Ceramics with Glass-like Thermal Conductivity
  Fei Li, Osaka University, Japan
  Tentative Title: Polyol-Derived Layered High-entropy Nanomaterials and Their Applications
  Jixuan Liu, Donghua University, China
  Tentative Title: Grain Growth Behavior of High-entropy Ceramicsa
  Kuibao Zhang, Southwest University of Science and Technology, China
  Tentative Title: Preparation and Properties of High-entropypyrochlore A2Ti2O7 with Multi-elements at A Site
  Jinpeng Zhu, Zhengzhou University, China  
  Tentative Title: Air Plasma-sprayed High-entropy (Y0.2Yb0.2Lu0.2Eu0.2Er0.2)3Al5O12 Coating with High Thermal Protection Performance
  Shijun Zhao, City University of Hong Kong, China
  Tentative Title: Structural and Defect Properties in High-entropy Carbide Ceramics
  Lei Chen, Harbin Institute of Technology, China
  Tentative Title: Optimization Design and Hardening-toughening Approach of Multi-component Carbide
  Fangfang Xu, Shanghai Institute of Ceramics, China
  Tentative Title: Effect of Entropy on the Mechanical Properties and Irradiation Behavior of ZrC-based Solid Solution Ceramics
  Junhu Meng, Lanzhou Institute of Chemical Physics, CAS, China
  Tentative Title: Processing and Properties of (VNbTaMoW)C and Al2O3/(NbTaMoW)C High Entropy Ceramic matrix Composites 
  Xiaomin Wang, Taiyuan university of technology, China
  Tentative Title: High Entropy La(Cr0.2Mn0.2Fe0.2Co0.2Ni0.2)O3 with Tunable Eg Occupancy and TM-O Bond Property for ORR Electrocatalyst
  Youjun Lu, North Minzu University, China
  Tentative Title: Synthesis of (Hf0.2Zr0.2Ti0.2Nb0.2Ta0.2)N Powders Via Nitride Thermal Reduction with Soft Mechano-chemical Assistance