Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/4722
Title: Polymethyl methacrylate based open-cell porous plastics for high-pressure ceramic casting
Authors: Ergün, Yelda
Dirier, C.
Tanoğlu, Metin
Keywords: Ceramic casting
Polymethyl methacrylate
Porous plastics
Collapse stress
Water-in-oil emulsions
Issue Date: Nov-2004
Publisher: Elsevier Ltd.
Source: Ergün, Y., Dirier, C., and Tanoğlu, M. (2004). Polymethyl methacrylate based open-cell porous plastics for high-pressure ceramic casting. Materials Science and Engineering A, 385(1-2), 279-285. doi:10.1016/j.msea.2004.07.014
Abstract: The aim of the present study is to investigate the microstructure-property relation in polymethyl methacrylate (PMMA)-based porous mould materials used for high-pressure casting of ceramic articles. For this purpose, porous plastic materials were produced by the polymerization of water-in-oil emulsions with various compositions of emulsion constituents and particle sizes of the filler PMMA beads. Pore morphology, porosity and water permeability of the materials were measured. The compressive stress-strain behavior, collapse stress and elastic modulus values of the macroporous materials were determined by performing compressive mechanical testing. Fracture toughness values of the materials were also measured using the single-edge notched bending method. The results showed that the concentration of emulsion constituents and PMMA bead sizes has significant effects on the pore morphology, porosity, water permeability and mechanical properties of the porous plastics.
URI: http://doi.org/10.1016/j.msea.2004.07.014
http://hdl.handle.net/11147/4722
ISSN: 0921-5093
Appears in Collections:Mechanical Engineering / Makina Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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