Index Catalog // MDR

Description/Abstract:: Transition metal dichalcogenides (TMDCs) are at the forefront of nanophotonics due to their remarkable optical properties. Their 2D struc...
Keyword:: BIC, TMDC monolayers, bound states in the continuum, membranes, and metasurfaces
Resource Type:: Presentation
Author:: Ya-Lun Ho
Date Uploaded:: 03/12/2024

Description/Abstract:: I will discuss the resistance to ultrahigh-temperature deformation of boron, boron carbide, Ta0.2Hf0.8C, Zr-Ta multi-boride, tantalum mon...
Keyword:: Deformation-resistant carbides and borides , Flexural Strength, Hardness and toughness, and UHTC
Resource Type:: Presentation
Author:: VASYLKIV Oleg
Date Uploaded:: 21/11/2024

Description/Abstract:: The temperature dependence of the flexural strength of sintered boron carbide was studied. At temperatures above 2000 °C, B4C showed an u...
Keyword:: Boron carbide, Crystal defects, High-temperature deformation, and Transmission electron microscopy (TEM)
Resource Type:: Article
Author:: D. Demirskyi, H. Sepehri-Amin, T.S. Suzuki, K. Yoshimi, and O. Vasylkiv
Journal:: Scripta Materialia
Date Uploaded:: 21/11/2024

Description/Abstract:: In this study, we explore a simple and effective method for producing a quaternary solid solution of carbides, a medium-entropy (Ti1/4Ta1...
Keyword:: flexural strength, high-entropy ceramics, and medium-entropy ceramics
Resource Type:: Article
Author:: D. Demirskyi, T.S. Suzuki, K. Yoshimi, and O. Vasylkiv
Journal:: Open Ceramics
Date Uploaded:: 21/11/2024

Description/Abstract:: Mixtures of B4C, AlB12 and B powders were reactively spark plasma sintered at 1800 C. Crystalline and amorphous boron powders were used. ...
Keyword:: Aluminum dodecaboride, Reactive spark plasma sintering, Split Hopkinson Pressure Bar Test, and impact properties
Resource Type:: Article
Author:: O. Vasylkiv, H. Borodianska, D. Demirskyi, P. Li, T. S. Suzuki, M. A. Grigoroscuta, I. Pasuk, A. Kuncser, and P. Badica
Journal:: Scientific Reports
Date Uploaded:: 21/11/2024

Description/Abstract:: In this study, we explored the consolidation, solid-solution formation and high-temperature properties of tantalum hafnium carbide with t...
Keyword:: Spark plasma sintering, strength, tantalum hafnium carbide, and ultra-high temperature ceramics
Resource Type:: Article
Author:: Dmytro Demirskyi, Hanna Borodianska, Toshiyuki Nishimura, Tohru S. Suzuki, Kyosuke Yoshimi, and Oleg Vasylkiv
Journal:: Journal of the American Ceramic Society
Date Uploaded:: 21/11/2024

Description/Abstract:: Reactive consolidation of medium entropy diboride in the ZrB2–TaB2–NbB2 system was performed by spark plasma sintering of diboride powder...
Keyword:: Reactive SPS, diborides, high-entropy ceramic, and high-temperature strength
Resource Type:: Article
Author:: D. Demirskyi, T. Nishimura, K. Yoshimi, and O. Vasylkiv
Journal:: Scripta Materialia
Date Uploaded:: 21/11/2024

Description/Abstract:: New deformation resistance ceramics can be used for engine and vehicle protection, aerospace components, plasma-facing ceramic parts, gas...
Keyword:: Deformation resistivity, UHTC, borides, and carbides
Resource Type:: Presentation
Author:: VASYLKIV Oleg
Date Uploaded:: 21/11/2024

Description/Abstract:: We report the mechanical behavior of a bulk boron ceramic prepared by spark plasma sintering of commercially-available β-boron powder. In...
Keyword:: boron, flexural strength, high-temperature materials, and polycrystalline ceramic
Resource Type:: Article
Author:: D. Demirskyi, P. Badica, A. Kuncser, and O. Vasylkiv
Journal:: Materialia
Date Uploaded:: 21/11/2024

Description/Abstract:: This study reports the formation of a ceramic composite consisting only of boride phases with an artificially created hierarchical supers...
Keyword:: Borides, Composites, Hardness, and Strength
Resource Type:: Article
Author:: Dmytro Demirskyi, Tohru S. Suzuki, Kyosuke Yoshimi, and Oleg Vasylkiv
Journal:: Journal of the American Ceramic Society
Date Uploaded:: 21/11/2024

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