A PCE-based rheology modifier allows machining of solid cast green bodies of alumina

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Avcı, Gökay and Akhlaghi Baghoojari, Omid and Üstbaş, Burçin and Özbay, Ceren and Menceloğlu, Yusuf Z. and Akbulut, Özge (2016) A PCE-based rheology modifier allows machining of solid cast green bodies of alumina. Ceramics International, 42 (3). pp. 3757-3761. ISSN 0272-8842 (Print) 1873-3956 (Online)

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Abstract

The performance of a poly(carboxylate ether) (PCE)-based superplasticizer to enable the machining of green bodies that are solid cast from suspensions of alumina was investigated. An alumina loading of 35 vol% in the presence of 1.25 wt% superplasticizer was established to be suitable for lathing and removal of significant amount of material through drilling. A reduction of 77% in the diameter of green bodies that corresponds to a 59% reduction in volume was achieved. The lathed green bodies exhibited smooth terraces without visible cracks. All of the green bodies were sintered without a polymer burnout step.
Item Type: Article
Uncontrolled Keywords: Suspensions; Alumina; Green body; Rheology/rheometry; Solid casting
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA401-492 Materials of engineering and construction. Mechanics of materials
Divisions: Faculty of Engineering and Natural Sciences > Academic programs > Materials Science & Eng.
Faculty of Engineering and Natural Sciences
Depositing User: Özge Akbulut
Date Deposited: 09 Nov 2016 16:08
Last Modified: 26 Apr 2022 09:35
URI: https://research.sabanciuniv.edu/id/eprint/29825

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