2005
DOI: 10.1016/j.ceramint.2004.06.007
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Alumina bodies with near-to-theoretical density by aqueous gelcasting using concentrated agarose solutions

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Cited by 74 publications
(54 citation statements)
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“…~40 o C for the 6 wt% solution [14,15]. The agar solution was then added to the nanosuspension at a concentration of 0.5 wt% with respect to the dry solids content whilst maintaining a temperature of >50ºC.…”
Section: Methodsmentioning
confidence: 99%
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“…~40 o C for the 6 wt% solution [14,15]. The agar solution was then added to the nanosuspension at a concentration of 0.5 wt% with respect to the dry solids content whilst maintaining a temperature of >50ºC.…”
Section: Methodsmentioning
confidence: 99%
“…Solutions of agar were prepared at concentrations of 6 wt% by heating in a pressure vessel [14,15] in order to achieve the 110ºC required for its full dissolution without the water boiling.…”
Section: Methodsmentioning
confidence: 99%
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“…Aqueous gelcasting allows obtaining complex-shaped parts with high density, low cost, machinable property and higher reliability of the formed green bodies [9][10][11]. Many studies have been done to promote the gelcasting process, however, it is still difficult to obtain concentrated Si 3 N 4 based suspensions with a solids loading above 50 vol% [10,11].…”
Section: Introductionmentioning
confidence: 99%
“…18) So far, preparing suspensions with high solid loading and low viscosity has always been the priority focus when the gelcasting system is of concern in sintering of ceramics. 14), 16) Because of the difficulty to obtain the near-net-shape products, less attention has been paid to the study of the gelcasting system through the suspension with low solid loadings. One of the important factors responsible for homogeneous gel structure is the distribution of the solidification agent in the suspensions.…”
Section: Introductionmentioning
confidence: 99%