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Thermogelling polysaccharides for aqueous gelcasting—part I: a comparative study of gelling additives
Abstract In this work the rheological properties of aqueous solutions of three polysaccharides, agar, agarose, and carrageenan for aqueous gelcasting are studied. Solutions of these additives haveExpand
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Application of alginate gelation to aqueous tape casting technology
Abstract This work deals with a novel forming process for manufacturing ceramic tapes in an aqueous medium, that combines tape casting and gel-casting technologies. Aqueous tape casting suspensionsExpand
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Alumina bodies with near-to-theoretical density by aqueous gelcasting using concentrated agarose solutions
Aqueous gelcasting with agarose has demonstrated to be a suitable method for near-net shaping of ceramics. Improved reliability is reached when agarose is added as an aqueous solution, but thisExpand
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Influence of the SiC grain size on the wear behaviour of Al2O3/SiC composites
Abstract Dry ceramic block-on-steel ring wear tests were performed at high loads in several Al 2 O 3 /20 vol.% SiC composites as a function of the SiC grain size, which ranged from 0.2 to 4.5 μm in dExpand
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Rheological characterisation of Al2O3 slips for aqueous low pressure injection moulding
Abstract Near net shaping processes are receiving increased attention for manufacturing low cost, reliable ceramics. Low pressure injection moulding (LPIM) is a suitable forming procedure that allowsExpand
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Rheological Characterization of Synergistic Mixtures of Carrageenan and Locust Bean Gum for Aqueous Gelcasting of Alumina
Previous works have shown that carrageenan can be successfully used in the aqueous gelforming of powders, because carrageenan forms a firm gel, similar to that formed by agarose, but at a much lowerExpand
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Synthesis, antiviral and cytostatic activities of carbocyclic nucleosides incorporating a modified cyclopentane ring. Part 2: Adenosine and uridine analogues.
Six new carbocyclic nucleosides were prepared by mounting a purine (compounds 5-7), 8-azapurine (compounds 9 and 10) or pyrimidine (compound 13) base on the amino group ofExpand
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SYNTHESIS, ANTIVIRAL AND CYTOSTATIC ACTIVITIES, OF CARBOCYCLIC NUCLEOSIDES INCORPORATING A MODIFIED CYCLOPENTANE RING. IV. ADENOSINE AND URIDINE ANALOGUES
ABSTRACT Eight new carbocyclic nucleosides were prepared by mounting a purine (compounds 8–10), 8-azapurine (12 and 13) or pyrimidine (15, 16 and 17b) on the amino group ofExpand
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Gelcasting Performance of Alumina Aqueous Suspensions with Glycerol Monoacrylate: A New Low-Toxicity Acrylic Monomer
Gelcasting has been extensively studied and applied as a near-net-shaping technique for preparing complex ceramic parts. However, the use of acrylamide as a main component is an important drawback ofExpand
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Alumina porous nanomaterials obtained by colloidal processing using d-fructose as dispersant and porosity promoter
Abstract Recently, great effort has been devoted to obtain porous materials with customized pore size distribution, high surface area and submicrometer sized microstructures or nanostructures. InExpand
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