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The effect of UV-curable SLA alumina
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# 22.01.2021 - 02:56:29
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The effect of the surfactants on the formulation of UV-curable SLA alumina suspension
Stereolithography (SLA) has been regarded as the most promising rapid prototype (RP) production method for ceramic parts recently because of its better precision in size and site control.
[url=https://www.hslabrasive.com/]visit hslabrasive.com[/url] The rheological behavior and curing behavior of suspensions are controlling factors for ceramic stereolithography. In this work, oleic acid (OA), stearic acid (SA) and Poly(Acrylate Ammonium) (PAA-NH4) were studied as the surfactant for HDDA-based suspension formulation. Modified alumina particles exhibit different wettability with HDDA monomer and thus the different rheology behavior and stability between the formulated suspensions. OA shows the best performance among all three dispersants. 40 vol% alumina suspensions with a viscosity ˂3 Pa s at 30 s−1 shear rate were successfully formulated with OA and SA. A sintering density of 95% can be reached for the OA- and SA-modified alumina UV-curable resins.[url=https://www.hslabrasive.com/products/fused-alumina/]alumina fused[/url]
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# 08.06.2021 - 12:00:33
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