搜索结果: 1-15 共查到“工学 Polycrystalline”相关记录19条 . 查询时间(0.112 秒)
Computational Aspects of Elasto-Plastic Deformation in Polycrystalline Solids
Computational Aspects Elasto-Plastic Deformation Polycrystalline Solids
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2015/7/1
The overall elasto-plastic behavior of single crystals is governed by individual slips on crystallographic planes, which occur when the resolved shear stress on a critical slip system reaches a certai...
Diffused phase transition of polycrystalline (Ba0.80Sr0.20)TiO3
Barium Strontium Titanate X-ray spectroscopy Electron microscopy
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2010/1/11
The purpose of this work was to determinate the influence of the 20% Sr substitutions (in sublattice A) on changes of the character of phase transition (PT) in comparison with pure barium titanate BaT...
Dielectric properties of polycrystalline (Ba0.60Sr0.40)Ti0.8O3
Ferroelectric Solid solution Phase transformation
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2009/12/2
Purpose: The purpose of the work was to determinate the influence of the ferroactive Sr substitutions in
sublattice A and the nonstoichiometry in sublattice B on changes of physical properties and th...
Structural and dielectric properties of polycrystalline (Ba0.9Sr0.1)TiO3
Ceramics Ferroelectric Dielectric properties
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2009/12/2
Purpose: This work is aimed to determination of the influence of Sr – ferroactive substitution on physical properties and character of phase transitions (PT) in barium titanate BaTiO3 (BT).
Design/me...
Structure and AC conductivity of polycrystalline Pb(Cd1/3Nb2/3)O3
Ferroelectrics Phase transition Polarization
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2009/12/2
Purpose: Purpose of this work was to determine crystalline structure and ac electric conductivity of polycrystalline
sample Pb(Cd1/3Nb2/3)O3 (PCN) in paraelectric phase. Controversies involving uncer...
Study of phase transition specific in polycrystalline Pb(Cd1/3Nb1/3)O3
Ceramics Electrical properties Phase transition
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2009/12/2
Purpose: of this paper was to isolate and attempt to identify experimentally specific features of paraelectric
diffused phase of Pb(Cd1/3Nb2/3)O3 (PCN) not reported yet in the literature.
Design/...
Dielectric properties of polycrystalline (Ba0.40Sr0.60)O3
Ferroelectric Solid solution Phase transition Dielectric properties Cluster
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2010/8/16
Barium strontium titanate (Ba0,40Sr0,60)TiO3 (BS60T) is the solid solution of the ferroelectric BaTiO3 (BT) and the ferroelectric SrTiO3 (ST) [1, 2]. The dielectric behaviour of (Ba1-xSrx)TiO3 (BSxT) ...
The dielectric behaviour of polycrystalline Ba0.96Na0.04Ti0.96Nb0.04O3 solid solution
Polycrystalline Phase transitions Ferroelectrics Relaxor Dielectric spectroscopy
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2010/8/16
The searching of new materials with perovskite structures is inspired among others, also by new technical applications [1]. The investigations of theirs dielectric properties involves mainly phase tra...
Determination of the Methanol Decomposition Mechanism on a Polycrystalline Platinum Electrode
Methanol Decomposition Tafel E-transfer Rate determining step
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2009/10/10
Direct 4-electron and single-electron transfer mechanisms are proposed for methanol decomposition.Kinetic models showed that the water-gas shift reaction was the rate determining step for both mechani...
Investigation of Methanol Oxidation on Polycrystalline Pt:Importance of the Water-Gas Shift Reaction
Water-gas shift Methanol Oxidation Platinum Carbon monoxide
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2009/10/10
A water-gas shift reaction model was proposed for methanol oxidation on polycrystalline platinum. To see if the model proposed can explain methanol oxidation on platinum metal, a polycrystalline plati...
Investigation of Deformation at the Grain Scale in Polycrystalline Materials by Coupling Digital Image Correlation and Digital Microscopy
Polycrystalline Materials Digital Image Correlation Digital Microscopy
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2015/3/30
The purpose of this paper is to present an approach for the investigation of in-plane strain distribution at the grain scale in polycrystalline materials. The technique is developed by coupling digita...
Thin-Film Solar Cells Based on the Polycrystalline Compound Semiconductors CIS and CdTe
Solar Cells Polycrystalline
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2008/10/30
Thin-film photovoltaic modules based on Cu-In-Ga-Se-S (CIS) and CdTe are already being produced with high-quality and solar conversion efficiencies of around 10%, with values up to 14% expected in the...
Rapid Thermal Annealing and Hydrogen Passivation of Polycrystalline Silicon Thin-Film Solar Cells on Low-Temperature Glass
Silicon Thin-Film Solar Cells Low-Temperature Glass
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2008/10/30
The changes in open-circuit voltage (Voc), short-circuit current density (Jsc), and internal quantum efficiency (IQE) of aLuminum induced crystallization, ion-assisted deposition (ALICIA) polycrystall...
Polycrystalline Silicon Thin-Film Solar Cells on AIT-Textured Glass Superstrates
Thin-Film Solar Cells AIT-Textured Glass Superstrates
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2008/10/30
A new glass texturing method (AIT—aluminium-induced texturisation) has recently been developed by our group. In the present work, the potential of this method is explored by fabricating PLASMA poly-Si...
Finite element analysis of the interaction between an AWJ particle and a polycrystalline alumina ceramic
Numerical techniques Abrasive waterjet machining Brittle fracture model
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2010/2/10
Purpose: Abrasive waterjet cutting involves use of a high pressure, abrasive laden waterjet at trans-sonic speeds to cut difficult-to-machine materials. The jet-material interaction depends on the nat...