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Hot press sintering of YO-AlO glasses: Impact of particle size on thermal behaviour, sintering ability and mechanical properties of sintered bodies.
Heliyon
January 2025
Centre for functional and surface functionalized glass, Alexander Dubček University of Trenčín, Študentská 2, Trenčín, Slovakia.
The impact of grinding on particle size, thermal behaviour, and sintering ability of yttrium aluminate glass microspheres with eutectic composition (76.8 mol % AlO and 23.2 mol % YO) was studied.
View Article and Find Full Text PDFAn comparison of the fracture resistance of MOD inlay restorations using different lithium disilicates.
J Conserv Dent Endod
November 2024
Department of Conservative Dentistry and Endodontics, Priyadarshini Dental College and Hospital, Pandur, Tamil Nadu, India.
Objective: The objective of this study was to evaluate and compare the fracture resistance of MOD inlay preparations restored with two different lithium disilicate glass ceramics.
Materials And Methods: Standardized MOD inlay cavities were prepared on 64 human permanent premolar teeth and divided into two groups to be restored with lithium disilicate glass-ceramic materials, i.e.
Fracture resistance and mode of failure of modified Polyether-ether-ketone versus lithium disilicate endocrowns.
BMC Oral Health
January 2025
Department of Fixed Prosthodontics, Faculty of Dental Medicine, Al-Azhar University, Cairo, 11651, Egypt.
Purpose: The current study aimed to compare modified Polyether-ether-ketone's fracture resistance and failure mode versus lithium disilicate glass-ceramic endocrowns.
Materials And Methods: A total of 16 butt-joint endocrown specimens on mandibular second molar teeth were fabricated and divided into two equivalent groups; Pressable modified Polyether-ether-ketone (PEEK) (BioHPP) and Pressable lithium disilicate glass ceramic (IPS e.max Press).
Benchtop Machining of Self-Standing Alumina Doughs for Low-Number Fabrication and Prototyping.
ACS Appl Mater Interfaces
January 2025
Faculty of Engineering and Natural Sciences, Sabanci University, Istanbul 34956, Turkey.
Cold isostatic pressing, gel casting, and protein coagulation are the most common techniques to produce green bodies prior to computer numerical control (CNC)-based machining for the near-net-scale shaping of ceramics. These methods typically involve various additives and entail several steps to create a green body that is capable of withstanding machining forces. Here, utilizing a single additive, we first introduced a facile benchtop method to generate self-standing, malleable doughs of alumina in under 2 min.
View Article and Find Full Text PDFImproving the Fracture Toughness of Boron Carbide via Minor Additions of SiC and TiB Through Hot-Press Sintering.
Materials (Basel)
December 2024
Analysis & Standards Center, Korea Institute of Ceramic Engineering & Technology (KICET), 101 Soho-ro, Jinju-si 52851, Republic of Korea.
Boron carbide (BC) is an essential material in various high-performance applications due to its light weight and hardness. In this work, BC-based composites were fabricated via a powder route consisting of powder mixing, precursor preparation, and hot-pressing under vacuum. The composites' mechanical properties and microstructure were analyzed to investigate the effect of adding minor second-phase particles.
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