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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/57901
Title: Tribology, mechanical properties and coloration of a mica glass-ceramic
Authors: Sahadsaya Prasertwong
Sukanda Angkulpipat
Thapanee Srichumpong
Kallaya Suputtamongkol
Chanchana Thanachayanont
Ramona Sola
Greg Heness
Cristina Leonelli
Duangrudee Chaysuwan
University of Technology Sydney
Kasetsart University
Thailand National Metal and Materials Technology Center
Mahidol University
Università degli Studi di Modena e Reggio Emilia
Keywords: Engineering;Materials Science
Issue Date: 1-Jan-2020
Citation: Journal of Metals, Materials and Minerals. Vol.30, No.2 (2020), 83-90
Abstract: © 2020, Chulalognkorn University. The research employed pigments, Fe2O3 and CeO2, into the glass frit for adjustable mechanical properties and coloration. Disc samples were prepared to determine microstructures and mechanical properties in terms of tribology and nano-indentation hardness as well as biaxial flexural strength. The glass system presented the crystalline phases, by XRD, of phlogopite Ca-mica, fluorapatite, stishovite, anorthite and strontium apatite. Furthermore, SEM micrographs revealed rod-like microstructures and parent glass phase in all specimens 1) GC, 2) GC + 1wt% CeO2, 3) GC + 0.1wt% Fe2O3 and 4) GC + 1wt% CeO2 + 0.1wt% Fe2O3. For the tribology test, specimens were tested by a pin-on-disc tribometer with 10 N load and 1,000 wear cycles. The obtained values of wear rate and friction coefficient of GCF were better than those of others. The nanoindentation hardness results showed that GC exhibited 3.2 GPa which lower than those of GCC, GCF and GCCF, respectively. The addition of pigments affected reddish yellow color. After crystallization, the contrast ratio is around 0.72 for GC and decreases to 58-75% for the mica glass-ceramics that contain the pigments. The values of biaxial flexural strength of all were acceptable (≥100 MPa) according to ISO 6872:2015.
URI: http://repository.li.mahidol.ac.th/dspace/handle/123456789/57901
metadata.dc.identifier.url: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85088860714&origin=inward
ISSN: 26300508
08576149
Appears in Collections:Scopus 2020

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