962 hasil
Menampilkan 1–20 · 0,11 detik · RSS
Journal of Asian Ceramic Societies
Scopus
ISSN 2187-0764 · Taylor & Francis Group · 962 artikel di indeks
-
Artikel Jurnal
Low-temperature sintering of boehmite ceramics utilizing a hydraulic alumina precursor and the enhancement of mechanical properties by α-Al2O3 compounding
The conventional manufacturing processes of ceramics involve high-temperature sintering at temperatures above 1000 °C. Therefore, current research is focused on low-temperature sintering methods to reduce energy consumption and carbon dioxide emissions. This study demonstrates a low-temperature…
-
Artikel Jurnal
Characterization of complex material parameters for a piezoelectric ceramic disk in thickness extensional mode using a global optimization approach
The characteristics of piezoelectric materials are governed by three key parameters: piezoelectric, elastic, and dielectric constants, as well as their associated losses. This study introduces a global optimization method for determining the complex material parameters of piezoelectric ceramic disk…
-
Artikel Jurnal
High-temperature properties and thermal stability of monophasic Al3BC3
This paper describes the detailed high-temperature properties of monophasic Al3BC3, including the thermal expansion characteristics of its crystal structure and thermal shock resistance. We examined the differences in physical properties between Al3BC3 and Al8B4C7, which was previously thought to…
-
Artikel Jurnal
Preparation, microstructure evolution, mechanical properties of Ti(CN)-Co/Ni-based cermet sintered by oscillation pressure sintering
In this study, oscillatory pressure sintering (OPS) was adopted to prepare Ti(CN)-Co/Ni metal ceramics and explore the influence of oscillatory pressure sintering temperature on the densification and mechanical properties of multi-liquid phase metal ceramics. The structural evolution of…
-
Artikel Jurnal
Sm2O3-doped 0.28PIN-0.32PZN-(0.4-x)PZ-xPT piezoelectric ceramics with high Curie temperature and piezoelectric constant
In this work, Sm2O3-doped 0.28PIN-0.32PZN-(0.4-x)PZ-xPT (Sm-PbIZZT) ceramics were prepared by using the solid-state method. The microstructure and piezoelectric properties of Sm-PbIZZT were systematically analyzed. The results show that as the PT content increases, the content of the tetragonal…
-
Artikel Jurnal
Toward efficient dielectric material discovery: a comparative evaluation of Transformer and AutoML-based inverse learning
The discovery of dielectric material compositions and processing parameters often relies on trial-and-error experimentation, which is time-consuming, costly, and labor-intensive. To accelerate this process, artificial intelligence (AI) provides data-driven solutions that enhance predictive accuracy…
-
Artikel Jurnal
Aerosol deposition of titanium dioxide on polymeric substrates – influence of substrate properties and processing parameters on the early stages of film growth
Aerosol deposition (AD) enables room-temperature fabrication of polymer ceramic composites, yet the deposition mechanism of ceramic particles onto polymers is not fully understood. In this study, we investigate the growth of TiO2 films deposited by AD on polycarbonate (PC), polyamide 6 (PA6), and…
-
Artikel Jurnal
Characterization of the glass–silicon interface produced by ultrafast laser welding
We report a direct fabrication approach for welding crystalline silicon wafers and quartz glass via ultrafast picosecond laser welding. By optimizing the laser parameters, robust joints with a shear strength of 26.6 ± 1.2 MPa were achieved. SEM and EDS examination of the silicon-side fracture…
-
Artikel Jurnal
Tuning wear and corrosion resistance of carbon steel by controlling EPD parameters for Ni–Cr oxide nanocomposite coatings
Metal oxides play a crucial role in engineering nanocomposites, offering enhanced surface performance for metals in demanding industrial applications. In this work, Ni – Cr oxide nanocomposites were synthesized via co-precipitation and deposited onto carbon steel (St12) substrates using…
-
Artikel Jurnal
High-temperature tribological performance of SiCp/Al composite
This study systematically investigates the tribological behaviors and mechanisms of SiCp/Al composite under high-temperature conditions. Reciprocating ball-on-flat friction and wear tests were conducted at room temperature, 200°C, and 400°C. The frictional coefficient and wear volume were measured…
-
Artikel Jurnal
Preparation of TiC materials by oscillatory pressure sintering: densification mechanism, grain growth control, and mechanical properties
In this work, the densification kinetics of the unbonded TiC materials were studied based on the high-temperature creep theory to clarify the sintering evolution mechanism and microstructure evolution process. The ZrO2 nanoparticles were introduced to optimize and modify the microstructure and…
-
Artikel Jurnal
Influence of Si3N4 powder characteristics on the electrical and mechanical properties of pressureless sintered ceramics
Silicon nitride (Si3N4) ceramics, combining excellent resistivity and high-temperature stability, are widely used in SF6-insulated high-voltage DC electrical equipment. This study attempted to fabricate Si3N4 insulating ceramics with superior dielectric and good mechanical properties using the…
-
Artikel Jurnal
Enhanced Li-ion conductivity of Li2FeCl4 cathode material by partial Br substitution
Chloride-based Li2FeCl4 has emerged as a promising candidate high-voltage, highly deformable cathode material for all-solid-state lithium-ion batteries. However, further enhancement of Li-ion conductivity is required for practical application. In this study, we synthesized Br-substituted…
-
Artikel Jurnal
Examination of gamma radiation transmittance properties of Nb2AlC and Nb2CTx samples fabricated by powder metallurgy
Interest in new-generation materials is increasing daily. New studies and research on MAX phases in many different structures and the superior mechanical and physical properties of MXenes make MXenes the focus of research. In this study, the synthesis, characterization, and gamma-ray shielding…
-
Artikel Jurnal
Damage evolution in ceramics during the dwell/penetration transition under oblique impact loading
In practice, armor faces oblique strikes from long-rod projectiles (LRPs), not conventional attacks. To improve protection and reduce weight, the armor is inclined, increasing its effective thickness against LRPs. Impact obliquity critically influences ceramic armor damage, particularly in…
-
Artikel Jurnal
Investigation on BCZT piezoelectric ceramics by two-step sintering method
Ion doping and microstructure optimization are effective methods for enhancing the piezoelectric properties of Ba0.88Ca0.12Ti0.88Zr0.12O3 (BCZT) ceramics. To investigate the combined effects of Fe3+ doping and grain size on the piezoelectric properties , we doped 0.1 mol% Fe into BCZT and sintered…
-
Artikel Jurnal
Grinding kinetics governed by packing volume in binary glass–alumina milling
The attritor grinding of a binary glass and alumina system was studied to clarify how the packing volume controls the comminution kinetics and morphology of the ground glass. Glass and alumina particles of 1 mm were mixed at a 1 to 1 weight ratio and milled dry at 800 rpm with packing volumes of 40…
-
Artikel Jurnal
Growth of and anisotropic lithium ion diffusion in TiNb2O7 single crystals
Transparent and light-yellow TiNb2O7 (TNO) single crystals with a maximum thickness of approximately 3 mm were grown from a melt. This study used the grown crystals to experimentally demonstrate that lithium diffusion parallel to the b-axis was favorable for lithium diffusion in TNO. Lithium was…
-
Artikel Jurnal
Effect of binder concentration ratio on the mechanical and thermal properties of silicon nitride ceramics
Silicon nitride powder is a crucial raw material for fabricating silicon nitride ceramics, with its properties exerting a decisive influence on the final product’s performance. This study investigates the influence of polyvinyl alcohol (PVA) and polyacrylic acid (PAA) as binder additives on the…
-
Artikel Jurnal
The role of the external and internal shock-absorption effect in the aerosol codeposition of titanium dioxide and polystyrene particles
Aerosol deposition (AD) is a promising spray-coating process for producing dense ceramic coatings at room temperature on a wide variety of substrates. However, extensive lattice defects and high compressive residual stresses arising from the intense particle impact limit its applicability…