Articles with "reducing atmosphere" as a keyword



Influence of sintering method on the PTCR effect and microstructures of Sm2O3-doped BaTiO3-based ceramics sintered in a reducing atmosphere

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Published in 2017 at "Ceramics International"

DOI: 10.1016/j.ceramint.2017.05.246

Abstract: Abstract This study investigated the effects of sintering temperature and cooling rates on the positive temperature coefficient of resistance (PTCR) effect and microstructures of Ba 1.022 – x Sm x TiO 3 (BST) ceramics sintered… read more here.

Keywords: reducing atmosphere; temperature; effect microstructures; ceramics sintered ... See more keywords

The effect of microstructure on piezoelectric properties and temperature stability for MnO doped KNN-based ceramics sintered in different atmospheres

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Published in 2018 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2018.04.138

Abstract: Abstract Lead-free 0.4% MnO doped 0.955K0.5Na0.5NbO3-0.045Bi0.5Na0.5ZrO3 (Abbreviated as 0.955KNN-0.045BNZ) ceramics were prepared by a conventional solid-state sintering method in both ambient air and reducing atmosphere (H2/N2/H2O, oxygen partial pressure p o 2  = 1 × 10−10 atm). All samples… read more here.

Keywords: reducing atmosphere; mno doped; piezoelectric properties; air ... See more keywords

Enhancement of thermoelectric power factor of Sr2CoMoO6 double perovskite by annealing in reducing atmosphere

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Published in 2017 at "Journal of Applied Physics"

DOI: 10.1063/1.5001806

Abstract: In general, n-type thermoelectric materials are rather difficult to design. This study particularly pivoted on designing potential environmentally benign oxides based n-type thermoelectric material. We synthesized Sr2CoMoO6 (SCMO) polycrystalline ceramics via the solid-state synthesis route.… read more here.

Keywords: reducing atmosphere; type; power factor; scmo ... See more keywords

Micro-Reducing Atmosphere with High-Rate Capability Performance of Carbon-Coated LiFePO4 Prepared from Spray-Drying-Assisted Solid-Phase Reaction

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Published in 2024 at "Integrated Ferroelectrics"

DOI: 10.1080/10584587.2024.2325880

Abstract: Abstract Nanostructured mesoporous LiFePO4/C (LFP/C) composite was prepared by spray-drying-assisted solid-state reaction with FeSO4 and LiOH as reactants. Instead of tubular furnace in various atmospheres (nitrogen or argon) of the calcination method, box furnace embedded… read more here.

Keywords: drying assisted; reaction; reducing atmosphere; assisted solid ... See more keywords

Electric property, anti-reduction mechanism of (1 − x)BaTiO3–xBiCoO3–Mn ceramics

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Published in 2021 at "Journal of Materials Research"

DOI: 10.1557/s43578-020-00002-7

Abstract: 0.5wt%MnO2-doped (1 − x)BaTiO3–xBiCoO3 ceramics short as (1 − x)BT–xBC–M sintered in air and reducing atmosphere via solid-state process were investigated. The X-ray diffraction results showed that solid solubility in (1 − x)BT–xBC ceramics sintered… read more here.

Keywords: sintered air; reduction mechanism; reducing atmosphere; xbicoo3 ceramics ... See more keywords