Journal of the Korean Ceramic Society

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Observation of fault-free coherent layer during Ruddlesden–Popper faults generation in LaNiO3 thin films
Journal of the Korean Ceramic Society - Tập 58 Số 2 - Trang 169-177 - 2021
Jumi Bak, Sung‐Yoon Chung
Estimation of sintering pressure during the pore fragmentation via coordination number and reversal of curvature
Journal of the Korean Ceramic Society - Tập 59 - Trang 936-943 - 2022
Byungjin Hwang, Yeong-Kyeun Paek, Kyung-Sik Oh
Sintering is a process of removing pores from a powder compact, and the pressure to shrink pores is called sintering pressure. In this research, to explain the improvement of sintering in accordance with pore fragmentation, the change in the number of grains per pores (coordination number) was highlighted, and the sintering pressure was expressed and calculated in terms of a coordination number. T...... hiện toàn bộ
Novel high-Q × f (1 − x)CeO2–xCaF2 (0.2 ≤ x ≤ 0.6) microwave dielectric ceramics sintered at medium temperatures
Journal of the Korean Ceramic Society - - 2022
Yufeng Gao, Juan Jiang, Jinzhao Wang, Lin Gan, Tianjin Zhang
In this work, a new binary microwave dielectric ceramic system of (1 − x)CeO2–xCaF2 (0.2 ≤ x ≤ 0.6) was fabricated at medium sintering temperatures. The compositional effects of on the sintering behavior, phase compositions, microstructures, and microwave dielectric properties of the samples were studied. High relative density levels (> 95%) were achieved in the (1 − x)CeO2–xCaF2 samples at the si...... hiện toàn bộ
Highly stretchable and self-healing SEBS-PVDF composite films for enhanced dielectric elastomer generators
Journal of the Korean Ceramic Society - - Trang 1-7 - 2024
Soon Joo Yoon, Hyunseung Kim, Chang Kyu Jeong, Yoon Kyeung Lee
The rapid expansion of soft electronics and actuators necessitates the development of mechanically robust substrates possessing a unique combination of properties: high stretchability, self-healing capabilities, and favorable dielectric characteristics. This study presents a novel composite film comprising an elastic Styrene-Ethylene-Butylene-Styrene (SEBS) matrix and a high dielectric constant Po...... hiện toàn bộ
Magnetic phase coexistence in nanosized La0.5–xHoxCa0.5MnO3 manganites
Journal of the Korean Ceramic Society - Tập 59 - Trang 312-321 - 2021
S. Dhieb, A. Krichene, N. Chniba Boudjada, W. Boujelben
In this paper, magnetic phase coexistence and stability of charge ordering in La0.5–xHoxCa0.5MnO3 (0 ≤ x ≤ 0.15) nanosized samples have been investigated. The particle size of all the samples is located between 47 and 62 nm. The studied samples show pertinent phenomena like Griffiths phase, training effect, exchange bias, charge ordering and magnetic phase separation. At 5 K, the application of 10...... hiện toàn bộ
Tourmaline as versatile additive to improve the performance of thin-film composite forward osmosis membrane
Journal of the Korean Ceramic Society - Tập 59 - Trang 604-613 - 2022
Feng Zhang, Yaqin Wang, Wenfei Miao, Zhaoming Liu, Won-Chun Oh
Modified tourmaline (TM) minerals were prepared using hydrothermal method, followed by surface coating with sorbitan monostearate (SPAN-60), as well as characterization of FTIR, XRD, zeta potential, and antibacterial property analysis. The as-synthesized TM particles were incorporated with polyethersulfone (PES) substrate of thin-film composite forward osmosis (TFC-FO) membrane for alleviated stru...... hiện toàn bộ
Obtaining a fused PLA-calcium phosphate-tobramycin-based filament for 3D printing with potential antimicrobial application
Journal of the Korean Ceramic Society - Tập 60 - Trang 169-182 - 2022
Alex A. Lopera, Vinicius D. N. Bezzon, Victoria Ospina, Jorge L. Higuita-Castro, Francisco J. Ramirez, Humberto G. Ferraz, Marcos T. A. Orlando, Carlos G. Paucar, Sara M. Robledo, Claudia P. Garcia
Many efforts in the tissue engineering field have been devoted to producing biomedical devices with several physico-chemical properties that could promote an increase in the quality of therapeutic treatments. Thus, 3D printing is an efficient method which facilitates manufacturing high quality products to be used as medical devices. However, high-performance materials are required for obtaining pr...... hiện toàn bộ
Effect of hydrothermal temperature on phase transformation and mechanical property of non-sintered hydroxyapatite and its in vitro solubility
Journal of the Korean Ceramic Society - Tập 60 - Trang 215-223 - 2022
Sunarso, Rino, Tazkia Qalbina, Decky Joesiana Indrani, Ellyza Herda, Azizah Intan Pangesty
Sintered Hydroxyapatite (HA) has been used as bone graft for years. Nevertheless, its slow resorbability is the main drawbacks. This study aims to evaluate the effect of temperature on phase transformation and mechanical property of non-sintered HA obtained from gypsum block under hydrothermal and its solubility compared to commercially available sintered HA. HA block was fabricated from gypsum bl...... hiện toàn bộ
Synthesis of spherical SiO2 powders from water glass and colloidal Sol through ultrasonic spray pyrolysis
Journal of the Korean Ceramic Society - - 2024
Sohyeon Kim, Seunghwan Son, Kyusung Han, Kwangtaek Hwang, Ungsoo Kim, Jinho Kim, Junghoon Choi
Silicon dioxide (SiO2) is formed via a combination of silicon and oxygen, which are the most abundant elements on Earth. It possesses excellent heat and chemical resistance and can be developed into various types of functional materials. In particular, spherical SiO2 is extensively utilized in the pre-impregnated materials of printed circuit boards (PCBs) and as a filler in cosmetics. Among the me...... hiện toàn bộ
Mechanical properties of carbon fiber-reinforced Al2O3 porous ceramics
Journal of the Korean Ceramic Society - Tập 58 Số 3 - Trang 269-275 - 2021
Young Min Byun, Gye Won Lee, Kee Sung Lee, Jung Gyu Park, Ik Jin Kim
Tổng số: 263   
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