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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Mueller, Martin
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2021Defects and plasticity in ultrastrong supercrystalline nanocompositescitations
- 2020Strong Macroscale Supercrystalline Structures by 3D Printing Combined with Self‐Assembly of Ceramic Functionalized Nanoparticlescitations
- 2019Hierarchical supercrystalline nanocomposites through the self-assembly of organically-modified ceramic nanoparticlescitations
- 2019The transient liquid phase bonding process of a $gamma$-TiAl alloy with brazing solders containing Fe or Nicitations
- 2019Hierarchical architecture of spider attachment setae reconstructed from scanning nanofocus X-ray diffraction datacitations
- 2017In-situ experiment for laser beam welding of TiAl alloys using high-energy x-rays
- 2016Microstructure and Residual Stress in Rotary Friction Welded Dissimilar Metals of AA7020 Aluminium Alloy with 316L Steelcitations
- 2015Hexagonal OsB 2 : sintering, microstructure and mechanical propertiescitations
- 2012Effect of varied powder processing routes on the stabilizing performance and coordination type of polyacrylate in alumina suspensionscitations
- 2012Critical Factors Affecting The Fatigue Crack Growth Rate Behavior Of X65 Steels In Sour Environments
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article
Effect of varied powder processing routes on the stabilizing performance and coordination type of polyacrylate in alumina suspensions
Abstract
<p>The influence of initial pH and energy input during suspension homogenization on the stabilizing performance and coordination type of commercial available polyacrylate dispersant were studied. Additionally to widely used rheology and electroacoustic measurement techniques the alumina suspensions were analysed with centrifugal separation and in situ ATR-FTIR to study the impact of varied powder processing in detail. In contrast to zeta potential analysis and viscosity measurements only the determination of sedimentation properties by centrifugal separation shows the effect of macroscopic changes in powder processing. A combination of positively charged alumina surface and a high shear homogenization leads to the most stable suspension. Accordingly ATR-FTIR results show a correlation between improved suspension stability and inner-sphere coordination of polyacrylate. Moreover it was possible to determine an optimal pH range for inner-sphere adsorption. It can be shown that macroscopic changes in powder processing influence the coordination of dispersant and thus the suspension stability. (C) 2011 Elsevier Ltd. All rights reserved.</p>