Abstract
In this study, a high-performance gas sensing system is developed by integrating capacitive electrode-based sensing with volumetric analysis to quantitatively evaluate gas uptake and diffusivity from gas-enriched polymer specimens. The sensor system comprises two types of capacitive electrode configurations: (1) a dual semi-cylindrical electrode pair affixed to the outer surface..... More

Abstract
Gas sensors are crucial devices in various fields such as industrial safety, environmental monitoring, gas infrastructure including hydrogen use, and medical diagnostics. These sensors precisely measure the presence of gases on-site in different environments to ensure operational safety and efficiency. Designed for high sensitivity, stability, and reliability, gas sensors are..... More

Abstract
The joining of Ni/Al dissimilar metals to exploit the synergetic effect between the unique properties of Ni and Al alloys has been studied for potential applications in various industrial areas. This study investigates the interfacial reaction between deposited AlSi10Mg and an Inconel 625 substrate during the laser direct energy deposition..... More

Abstract
This study investigates the application of a unidirectional pulsating traveling magnetic field (UPTMF) for the semi-continuous casting of high-strength aluminum alloy 7075 slabs (350×150 mm). The experimental setup involved a comparative analysis of direct chill (DC) casting and electromagnetic stirring (EMS) with a 5 Hz amplitude modulated U-PTMF and 22.5..... More

Abstract
Numerous studies on machine learning-based creep life prediction using the creep data collected from various existing experimental data have been reported. Since the prediction of creep life is heavily influenced by the quality and integrity of the collected creep data, data preprocessing is required to eliminate physically inconsistent creep datapoints,..... More

Abstract
This study analyzed the physical properties of hydrogel lens prepared by photopolymerization and thermal polymerization using tretinoin (ATRA) as an additive to improve functionality, such as alleviating dry eyes and to impart antibacterial properties. In addition, we wanted to confirm the applicability of the ophthalmic material as a drug delivery..... More

Abstract
Organic ferroelectric field-effect transistors (Fe-FETs) are highly attractive for memory device applications because of their ability to read data without causing damage (nondestructive readout) and their excellent retention capabilities. These attributes make organic Fe-FETs an appealing alternative to their inorganic counterparts, which, while demonstrating superior memory performance for practical applications,..... More

Abstract
This study examines the influence of ZrO₂ on austenitic stainless steel 316 (ASS 316). Following the addition of varying weight percentages (0, 1, 2, and 3) of ZrO₂ to ASS 316 powder, the samples were ball-milled for a duration of 30 h and then subjected to vacuum hot-pressing (VHP) for..... More

Abstract
Water splitting is a sustainable method of hydrogen production that is crucial for achieving carbon neutrality. However, the high cost of green hydrogen remains a major challenge. One strategy to reduce costs is the use of non-precious metal catalysts, such as Co, which is known for its excellent catalytic properties...... More

Abstract
Bismuth antimony telluride (Bi-Sb-Te)-based alloys remain the dominant choice for near-roomtemperature thermoelectric cooling applications. One of the most studied approaches to improve the thermoelectric performance of Bi-Sb-Te alloys has been a nanostructuring strategy, to suppress the lattice thermal conductivity. This study investigates the impact of incorporating reduced pyrolyzed Pd acetate..... More

Abstract
The weldability and the relationship between microstructure and tensile properties at 298 and 110 K produced by laser-arc hybrid welding (LAHW) in high-Mn steel welds were thoroughly investigated. In the laser zone of LAHWs using filler wire, more Mn vaporization in the laser zone was observed than at the arc..... More

Abstract
Hydrogen sulfide (H₂S) is a highly toxic and dangerous gas with a flammable and corrosive nature, making the development of reliable gas sensors for its detection vital. This study investigated the enhancement in H₂S gas sensing performance of commercial SnO₂ powders after high-energy milling. SnO₂ powders were subjected to high-energy..... More

Abstract
Although sulfide-polyacrylonitrile (SPAN) is considered a promising cathode material for various battery applications, their application in thermal batteries has not yet been explored. Herein we synthesized carbonized SPAN (c-SPAN) to enhance the thermal stability of SPAN and evaluated its application as a cathode for thermal batteries. The efficiency of c-SPAN..... More

Abstract
In this study, the electromagnetic (EM) wave absorption properties of a two-layered structure composed of La_0.7Sr_0.3MnO₃-epoxy (10 wt.%) (LSMO) and SrFe_9.5Co_1.25Ti_1.25O₁₉-epoxy (10 wt.%) (SFCTO), both exhibiting distinct high-frequency magnetic and dielectric properties, were investigated using a High Frequency Simulation Software (HFSS) simulation tool. LSMO had a high dielectric constant (ε'..... More

Abstract
Ti6Al4V is one of the most widely used Ti alloys in biomedical applications, such as orthopedic and dental implants, due to its excellent mechanical properties, biocompatibility, and high corrosion resistance. Metal implants require high bonding strength between the implant and bone for long-term use in the human body; Hydroxyapatite (HAp)..... More

Abstract
Residual antibiotics in natural aquatic environments pose a critical threat to humans and other organisms. However, most sewage treatment plants fail to remove them. Photocatalytic nanomaterials can efficiently destroy these persistent organic pollutants in wastewater. In this study, we developed a series of cobalt-doped SrTiO₃ (Co-STO) catalysts with different doping..... More

Abstract
The drawing process severely deforms commercial AA1070 alloy for electrical wire, reducing a rod from a diameter of 2.0 mm to 0.4 mm, followed by annealing. The annealing process was conducted at various temperatures ranging from 200℃ to 450℃, with each temperature maintained for 1hour. The effects of increasing annealing..... More

Abstract
This study aims to comprehensively understand the effects of changes in the chemical composition and size of attached particles on the resulting assimilation characteristics during the sintered ore production process. By evaluating the penetration depth and changes in the chemical composition in the assimilated region of the iron ore and..... More

Abstract
Nitrogen dioxide (NO₂) is a highly dangerous gas, mostly emitting emitted from fossil fuels, and a major contributor to air pollution. It has negatively effects affects on the human health as well asand contributes to environmental issues like acid rain. In this study, mesoporous CuO_x nanoparticles (NPs) were successfully synthesized..... More

Abstract
We employed electrophoretic deposition (EPD) using AC voltage to prepare lithium iron phosphate (LFP) Li-ion battery electrodes with varying the LFP thickness, to compare bulk-limited electro chemical reaction with the surface-limited electrochemical reactions. We analyzed the electrochemical performances of the thin and thick LFP electrodes at various scan rates. They..... More

Abstract
The stacking fault energy (SFE) of face-centered cubic (FCC) alloys is a critical parameter that controls microstructural and crystallographic texture evolution during deformation and annealing treatments. This review focuses on several FCC alloys, aluminum (Al), copper (Cu), austenitic stainless steels (ASSs), and high entropy alloys (HEAs), all of which exhibit..... More

Abstract
Skutterudite compounds have excellent thermoelectric performance in the intermediate-to high temperature range. Their lattice thermal conductivity can be reduced by intensifying phonon scattering through independent vibrations of the guest atoms, by filling the voids within the lattice. Furthermore, the thermoelectric figure of merit (ZT) can be enhanced by optimizing the..... More

Abstract
In this study, thermoelectric chalcostibite (CuSbS₂) compounds were fabricated using mechanical alloying (MA) and hot pressing (HP), and phase identification, microstructural observation, and thermal analysis were conducted. The thermal properties were then measured and compared with those of other Cu–Sb–S ternary compounds synthesized by the same solid-state process, namely, skinnerite..... More

Abstract
This research explores how aggregation influences the electrical behavior at both the planar - heterojunction poly(3-hexylthiophene) (P3HT)/SiO2 and P3HT/ZnO nanocrystal (NC) interfaces. The formation of H- and J-type aggregates leads to distinct molecular ordering and packing structures, manifesting as changes in threshold voltage shifts (electrical gating) as well as absorption..... More

Abstract
Because n-type Bi₂Te₃-based materials exhibit lower thermoelectric performance than p-type materials and because their thermoelectric properties are sensitively changed by the composition and carrier concentration, optimizing these aspects in n-type materials is necessary to improve the thermoelectric figure of merit (ZT). In this study, the thermoelectric performance of n-type Bi₂Te₃-based..... More

Abstract
This study explores Mg-composition dependent cycle stability in a Zn_1-xMg_xO Li-ion battery, where battery cycles transition from an electronic transport-limited to an ionic transport limited regime. We investigated the impact of Mg doping in Zn_1-xMg_xO nanocrystals on Li-ion battery performance, focusing on Mg compositions between x=0.05 and x=0.15. Mg composition..... More

Abstract
A Cu-based paste containing Cu formate and Cu particles was prepared for the compressionassisted sinter-bonding of Cu-finished wide-bandgap power devices onto a Cu-finished substrate at a relatively low bonding temperature of 250 oC in air. A mixture of Cu formate and Cu particles was designed to mitigate the tremendous volume..... More

Abstract
In this study, we enhanced the flexural strength of cordierite ceramics by incorporating h-BN (hexagonal boron nitride) nanoparticles, facilitated by the slip casting process. Initially, commercial cordierite powder with an average particle size of 10 mm underwent a ball-milling process to reduce the size to 2.5 mm and simultaneously achieve..... More

Abstract
To improve the hydrogen-storage properties of Mg₂Ni, LiBH₄ was added by milling in hydrogen atmosphere (reactive mechanical milling, RMM). Mg₂Ni-10LiBH₄ was prepared with a composition of 90 wt% Mg₂Ni + 10 wt% LiBH₄. The quantity of released hydrogen (H_r) versus temperature T curve for Mg₂Ni10LiBH₄ was obtained by heating at..... More

Abstract
Poly(3-hexylthiophene) (P3HT), a semiconducting polymer, is integral to the development of organic electronic devices. Its optoelectronic properties are significantly influenced by the nature of its intermolecular interactions, predominantly classified as J-type and H-type couplings. This study investigates the effect of sonication on the dielectric properties of P3HT, focusing on the..... More