Results 1 to 10 of about 116,969 (285)

Effect of pulse magnetic field on solidification structure and properties of pure copper [PDF]

open access: yesChina Foundry, 2007
The application of pulse magnetic field to metal solidification is an advanced technique which can remarkably refine solidification structure. In this paper, the effect of pulse magnetic field on solidification structure, mechanical properties and ...
LI Ren-xing   +2 more
doaj   +2 more sources

Fabrication plate-like BaBi4Ti4 single-crystalline particles by the molten salt synthesis method

open access: yesJournal of Advanced Dielectrics, 2023
Plate-like single-crystalline BaBi4Ti4[Formula: see text] particles were synthesized by the molten salt synthesis (MSS) method. The effects of sintering temperature, holding time, and NaCl–KCl molten salt content on the phase structure and morphology of ...
Xiaoying Feng   +7 more
doaj   +1 more source

Microstructure and bidirectional dielectric tunability behaviour of Nd3+-doped KSr2Nb5O15 lead-free ceramics

open access: yesJournal of Materiomics, 2021
The luminescence modulation behaviour under the in-situ electric field of rare-earth doped KSr2Nb5O15 ceramics opened a new door for the development of dielectric materials.
Shuyao Cao   +7 more
doaj   +1 more source

In-situ construction of all-scale hierarchical microstructure and thermoelectric properties of (Sr0.25Ca0.25Ba0.25La0.25)TiO3/Pb@Bi composite oxide ceramics

open access: yesJournal of Materiomics, 2023
SrTiO3-based oxides have been investigated as a promising n-type thermoelectric material at high temperatures; however, the relatively high thermal conductivity results in inferior thermoelectric performance.
Ping Zhang   +6 more
doaj   +1 more source

Effect of Bi3+ Doping on the Electronic Structure and Thermoelectric Properties of (Sr0.889-xLa0.111Bix)TiO2.963: First-Principles Calculations

open access: yesCrystals, 2023
The electronic structure and thermoelectric properties of Bi3+-doped (Sr0.889-xLa0.111Bix)TiO2.963 were studied by the first principles method. Doping Bi3+ can increase the cell parameters, cell asymmetry and band gap.
Lingyun Gong   +9 more
doaj   +1 more source

Microstructure and dielectric properties of high-entropy Sr0.9La0.1MeO3 (Me: Zr, Sn, Ti, Hf, Mn, Nb) perovskite ceramics

open access: yesJournal of Materials Research and Technology, 2022
Entropy engineering has attracted extensive attention, which is applied to induce controllable changes in structures through lattice distortion effects to optimize certain properties. In this work, a series of pure phase high-entropy dielectric ceramics,
Zhihao Lou   +7 more
doaj   +1 more source

Development and Applications of Thermoelectric Oxide Ceramics and Devices

open access: yesEnergies, 2023
Thermoelectric materials have gained wide attention to realize multilevel efficient energy management to alleviate the increasingly severe energy crisis.
Ping Zhang   +9 more
doaj   +1 more source

PES-g-BST/PEEK composites modified by surface grafting with high dielectric tunability

open access: yesJournal of Materials Research and Technology, 2023
Ceramic/polymer composites have been widely utilized due to their outstanding dielectric and mechanical properties. The interfacial bonding between ceramic and organic phases has a significant effect on the properties of composites.
Shuhang Liu   +8 more
doaj   +1 more source

Automatic Recognition of Dendritic Solidification Structures: DenMap [PDF]

open access: yesJournal of Imaging, 2020
Dendrites are the predominant solidification structures in directionally solidified alloys and control the maximum length scale for segregation. The conventional industrial method for identification of dendrite cores and primary dendrite spacing is performed by time-consuming laborious manual measurement.
Nenchev   +5 more
openaire   +3 more sources

Hyperbranched polymer functionalized flexible perovskite solar cells with mechanical robustness and reduced lead leakage

open access: yesNature Communications, 2023
Perovskite solar cells (PSCs) are multilayer structures. The interface between electron transport layer and perovskite is the mechanical weakest point in flexible PSCs due to its low fracture energy.
Zhihao Li   +9 more
doaj   +1 more source

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