Search Results - "FISHER, John G"
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Effect of the volume fraction of zirconia suspensions on the microstructure and physical properties of products produced by additive manufacturing
Published in Dental materials (01-05-2019)“…•Zirconia products printed by additive manufacturing using zirconia suspensions.•Sintered specimens using zirconia suspensions had inferior physical…”
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2
Sintering of Lead-Free Piezoelectric Sodium Potassium Niobate Ceramics
Published in Materials (01-12-2015)“…The potassium sodium niobate, K Na NbO₃, solid solution (KNN) is considered as one of the most promising, environment-friendly, lead-free candidates to replace…”
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3
Comparison of (K0.5Na0.5)NbO3 Single Crystals Grown by Seed-Free and Seeded Solid-State Single Crystal Growth
Published in Materials (10-05-2023)“…(K0.5Na0.5)NbO3-based piezoelectric ceramics are of interest as a lead-free replacement for Pb(Zr,Ti)O3. In recent years, single crystals of (K0.5Na0.5)NbO3…”
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4
Growth of Single Crystals of (K1−xNax)NbO3 by the Self-Flux Method and Characterization of Their Phase Transitions
Published in Materials (01-09-2024)“…In this study, single crystals of (K1−xNax)NbO3 are grown by the self-flux crystal growth method and their phase transitions are studied using a combination of…”
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5
Two-Step Sintering of Partially Stabilized Zirconia for Applications in Ceramic Crowns
Published in Materials (15-04-2020)“…Partially-stabilized zirconia is used in ceramic crowns due to its excellent mechanical properties and bio-inertness but does not match the natural color and…”
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6
Effect of Composition on the Growth of Single Crystals of (1−x)(Na1/2Bi1/2)TiO3-xSrTiO3 by Solid State Crystal Growth
Published in Materials (24-07-2019)“…The (1−x)(Na1/2Bi1/2)TiO3-xSrTiO3 (NBT-100xST) system is a possible lead-free candidate for actuator applications because of its excellent strain vs. electric…”
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7
Controlled-Atmosphere Sintering of KNbO3
Published in Applied sciences (01-03-2020)“…The effect of sintering atmosphere (O2, air, N2, N2-5% H2, and H2) on the densification, grain growth, and structure of KNbO3 was studied. KNbO3 powder was…”
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8
Fabrication of Textured 0.685(Na0.5Bi0.5)TiO3-0.065BaTiO3-0.25SrTiO3 Electrostrictive Ceramics by Templated Grain Growth Using NaNbO3 Templates and Characterization of Their Electrical Properties
Published in Crystals (Basel) (01-10-2024)“…Electrostrictive materials based on (Na0.5Bi0.5)TiO3 are promising lead-free candidates for high-precision actuation applications, yet their properties require…”
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9
0.98(K0.5Na0.5)NbO3–0.02(Bi0.5Na0.5)(Zr0.85Sn0.15)O3 Single Crystals Grown by the Seed-Free Solid-State Crystal Growth Method and Their Characterization
Published in Ceramics (01-09-2024)“…(K0.5Na0.5)NbO3-based single crystals are of interest as high-performance lead-free piezoelectric materials, but conventional crystal growth methods have some…”
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10
Growth of KNbO3 Single Crystals by the Flux Method Using KBO2 as a Flux
Published in Inorganics (01-06-2024)“…KNbO3 single crystals are grown by the self-flux method using K2CO3 as a flux, but often suffer from discolouration. In this work, KNbO3 single crystals were…”
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11
Grain Growth Behavior of 0.95(Na0.5Bi0.5)TiO3–0.05BaTiO3 Controlled by Grain Shape and Second Phase
Published in Materials (16-03-2020)“…The grain growth behavior of 0.95(Na0.5Bi0.5)TiO3 –0.05BaTiO3 (mole fraction, NBT–5BT) grains was investigated with excess Bi2O3 addition. The powder compacts…”
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12
Growth of Dense Single Crystals of Potassium Sodium Niobate by a Combination of Solid-State Crystal Growth and Hot Pressing
Published in Journal of the American Ceramic Society (01-05-2008)“…(K0.5Na0.5)NbO3 (KNN) is a potential lead‐free replacement for Pb(Zr, Ti)O3 (PZT) piezoceramics, but its piezoelectric properties are inferior to those of PZT…”
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13
Structural changes in potassium sodium niobate ceramics sintered in different atmospheres
Published in Journal of alloys and compounds (01-06-2009)“…Polycrystalline (K 0.5Na 0.5)NbO 3 ceramics were sintered in five different atmospheres (O 2, air, N 2, 75 N 2 – 25 H 2 (mol%) and H 2). The structure, phase…”
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14
Growth of potassium sodium niobate single crystals by solid state crystal growth
Published in Journal of crystal growth (01-05-2007)“…Single crystals of (K 0.5Na 0.5)NbO 3 have been grown for the first time by the solid state crystal growth process. A KTaO 3 seed crystal was embedded in a…”
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15
The Effect of Niobium Doping on the Electrical Properties of 0.4(Bi 0.5 K 0.5 )TiO₃-0.6BiFeO₃ Lead-Free Piezoelectric Ceramics
Published in Materials (02-12-2015)“…Ceramics in the system (Bi K )TiO₃-BiFeO₃ have good electromechanical properties and temperature stability. However, the high conductivity inherent in…”
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16
Sintering, microstructure and electrical properties of 0.4(Bi0.5K0.5)TiO3-0.6BiFeO3 lead-free piezoelectric ceramics
Published in Journal of the Korean Physical Society (2016)“…The effect of sintering temperature on the densification, microstructure and structure of 0.4(Bi 0.5 K 0.5 )TiO 3 -0.6BiFeO 3 lead-free piezoelectric ceramics…”
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17
Growth of (Na, K, Li)(Nb, Ta)O3 single crystals by solid state crystal growth
Published in Journal of the European Ceramic Society (2007)Get full text
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18
Grain Growth Control and Solid-State Crystal Growth by Li2O/PbO Addition and Dislocation Introduction in the PMN-35PT System
Published in Journal of the American Ceramic Society (01-04-2006)“…Grain growth behavior and solid‐state single crystal growth (SSCG) in the Pb(Mg1/3Nb2/3)O3–35 mol% PbTiO3 (PMN–35PT) system have been investigated with varying…”
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19
Strategies and practices for suppressing abnormal grain growth during liquid phase sintering
Published in Journal of the American Ceramic Society (01-02-2019)“…Abnormal grain growth ( AGG ), where a small number of grains grow to sizes much larger than the neighboring matrix grains, is a frequent occurrence in liquid…”
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20
Effect of ZrO2 doping on the growth of lead-free piezoelectric 0.75(Bi1/2Na1/2)TiO3-0.25SrTiO3 single crystals by solid-state single crystal growth
Published in Ferroelectrics (2023)“…Single crystals of 0.75(Bi 1/2 Na 1/2 )TiO 3 -0.25SrTiO 3 have potential for use in piezoelectric actuators because of their large values of electric…”
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