High-performance KNN-based ceramics: inter-granular coupling effect
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Materials Science: Materials in Electronics"
DOI: 10.1007/s10854-019-02618-w
Abstract: In order to achieve the long-term objective of high-performance KNN-based ceramics, BiMnO 3 -modified lead-free KNN-based ceramics were fabricated by conventional solid-state method in this work. The R–O–T multi-phases coexistence and the absence of Sb… read more here.
Keywords: based ceramics; inter granular; performance knn; performance ... See more keywords
Cordierite-Based Ceramics from Coal Fly Ash for Thermal and Electrical Insulations
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DOI: 10.1007/s12633-020-00428-y
Abstract: In the present study, coal fly ash was used as the main starting material (80.74 wt.%) in the production of the cordierite-based ceramics by benefiting from its high contents of silica and alumina. The phase evolutions… read more here.
Keywords: cordierite based; ceramics coal; based ceramics; coal fly ... See more keywords
Significantly improved energy storage performance of NBT-BT based ceramics through domain control and preparation optimization
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DOI: 10.1016/j.cej.2021.129900
Abstract: Abstract Na0.5Bi0.5TiO3-BaTiO3 based lead-free ceramic possesses ideal ferroelectric properties, and it is hence expected to be used as a new generation of pulse power capacitors. However, NBT-BT based ceramics usually belong to macro domains, leading… read more here.
Keywords: energy storage; domain control; nbt based; energy ... See more keywords
Investigation of electrical properties of pressureless sintered ZrB2-based ceramics
Sign Up to like & getrecommendations! Published in 2019 at "Ceramics International"
DOI: 10.1016/j.ceramint.2019.01.073
Abstract: Abstract ZrB2-based ceramics with different microstructures were prepared through different processes. Electrical resistivity of all samples was measured under vacuum environment by four-probe method over temperature range from 50 to 1000 °C. It was found that… read more here.
Keywords: electrical properties; zrb2; zrb2 based; electrical resistivity ... See more keywords
In-situ formation of bulk and porous h-AlN/SiC-based ceramics from geopolymer technique
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DOI: 10.1016/j.ceramint.2019.08.212
Abstract: Abstract In this paper, bulk and porous AlN/SiC based ceramics were in-situ prepared from graphite/geopolymer composites based on the carbon thermal reduction reaction under high temperatures. Thermal evolution of graphite/geopolymer composites were systematically investigated by… read more here.
Keywords: sic based; porous aln; aln sic; aln ... See more keywords
Improving photostriction of KNN-based ceramics by MnO2 additive and polarization
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DOI: 10.1016/j.ceramint.2021.03.190
Abstract: Abstract The effects of sintering additives on photostriction properties have been rarely reported and the polarization effect of KNN-based ceramics on the photostriction characteristics remains uncertain. In the present work, a highly feasible approach has… read more here.
Keywords: mno2; knn based; polarization; improving photostriction ... See more keywords
Evolution on phase composition and properties of alumina-based ceramics fabricated from high-titania special-grade natural bauxite micropowder
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DOI: 10.1016/j.ceramint.2021.05.177
Abstract: Abstract In this study, Al2O3-based ceramics were fabricated with natural bauxite powder as the raw material. The phase compositions evolution behavior during the heat treatment and its influence on the properties of fabricated ceramics were… read more here.
Keywords: bauxite; high titania; phase; ceramics fabricated ... See more keywords
Gas sensing properties of asymmetrically reduced Na1/2Bi1/2TiO3–based ceramics
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DOI: 10.1016/j.ceramint.2021.09.133
Abstract: Abstract We report the gas sensing properties of a type of new materials, Na1/2Bi1/2TiO3 (NBT)-based ceramics. After the NBT-based ceramics were asymmetrically reduced and coated with Au electrodes, the materials exhibit relatively large electrical responses… read more here.
Keywords: gas; based ceramics; na1 2bi1; 2bi1 2tio3 ... See more keywords
Rare earth element boosting temperature stability of (K,Na)NbO3-based ceramics
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2019.05.040
Abstract: Abstract It is difficult to realize the balanced development of piezoelectric response {piezoelectric constant (d33) and strain} and temperature stability of potassium-sodium niobate ceramics. Here, we constructed one kind of lead-free piezoceramic system of 0.965K0.45Na0.55Nb0.96Sb0.04O3-0.035(Bi1-xHox)0.5Na0.5HfO3,… read more here.
Keywords: temperature stability; earth element; temperature; rare earth ... See more keywords
Improved temperature stability and high piezoelectricity in lead-free barium titanate-based ceramics
Sign Up to like & getrecommendations! Published in 2018 at "Journal of the European Ceramic Society"
DOI: 10.1016/j.jeurceramsoc.2018.08.004
Abstract: Abstract To achieve high piezoelectricity and the corresponding good temperature stability of BaTiO3 (BT) ceramics, a new system of (1-x-y) BaTiO3 – yCaTiO3 – x(BaZr1-zHfz)O3 (BT-yCT-xBZHz) was designed. The O-T phase boundary was observed at 0.065 ≤ x ≤ 0.085, 0.08 ≤ y ≤ 0.12 and 0 ≤ z ≤ 1.0… read more here.
Keywords: lead free; temperature; temperature stability; based ceramics ... See more keywords
A compromise between piezoelectricity and transparency in KNN-based ceramics: the dual functions of Li2O addition
Sign Up to like & getrecommendations! Published in 2020 at "Journal of The European Ceramic Society"
DOI: 10.1016/j.jeurceramsoc.2020.01.029
Abstract: Abstract Transparent ceramics with good electrical performance have recently drawn broad interest as promising multifunctional materials. Here, we report that a superior transmittance (T = 75 % at 2000 nm) and good piezoelectricity (d33 ∼… read more here.
Keywords: knn; piezoelectricity transparency; compromise piezoelectricity; based ceramics ... See more keywords