Effect of crystallization heat treatment on the microstructure and biaxial strength of fluorrichterite glass-ceramics.

Effect of crystallization heat treatment on the microstructure and biaxial strength of fluorrichterite glass-ceramics. Research Abstract Details 

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Effect of crystallization heat treatment on the microstructure and biaxial strength of fluorrichterite glass-ceramics. Abstract Text:

I L Denry,J A Holloway,

The purpose of this study was to evaluate the effect of crystallization heat treatment on the flexural strength of potassium fluorrichterite glass-ceramics for biomedical applications. After melting and casting, discs were sectioned from the glass ingots, randomly divided into 10 groups, and heat treated at various temperatures ranging between 890 degrees C and 925 degrees C for various durations. One group was air-abraded after heat treatment. XRD revealed the presence of fluorrichterite and fluormica for all heat-treated groups. SEM confirmed the presence of both fluorrichterite and fluormica crystals. Crystal size increased with temperature and duration of the heat treatment. The mean flexural strength after air abrasion was not significantly different than that of the other groups except the group heat treated at 925 degrees C. The mean flexural strength was maximum after heat treatment at 900 degrees C for 1 h (497.6 +/- 25.5 MPa) and decreased linearly with the longer durations of heat treatment at 900 degrees C.

Effect of crystallization heat treatment on the microstructure and biaxial strength of fluorrichterite glass-ceramics. Publishing Authors By Initials

IL Denry,JA Holloway,

For similar investigative techniques: chemistry, analytical: crystallography: x-ray diffraction research abstracts see: investigative techniques: chemistry, analytical: crystallography: x-ray diffraction research

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Effect of crystallization heat treatment on the microstructure and biaxial strength of fluorrichterite glass-ceramics. Journal Published:

PUBLICATION TYPE: Research Support, N.I.H., Extr

Journal: Journal of biomedical materials research. Part B,

VOLUME: 80

Page Numbers: 454-9

Journal Abbreviation: J. Biomed. Mater. Res. Part B

ISSN: 1552-4973

DAY: 3

MONTH: Feb

YEAR: 2007

Effect of crystallization heat treatment on the microstructure and biaxial strength of fluorrichterite glass-ceramics. Information

Number of References:

LANGUAGE: eng

NlmUniqueID: 101234238

Effect of crystallization heat treatment on the microstructure and biaxial strength of fluorrichterite glass-ceramics. Keywords Mesh Terms:

KEYWORDS: X-Ray Diffraction

MESH TERMS: chemistry

Chemical & Substance for Abstract: Effect of crystallization heat treatment on the microstructure and biaxial strength of fluorrichterite glass-ceramics. Information

Substance Name: Glass ceramics

Registry Number: 85422-94-2

Grant and Affiliation Information for Effect of crystallization heat treatment on the microstructure and biaxial strength of fluorrichterite glass-ceramics.

AFFILIATION: Section of Restorative and Prosthetic Dentistry, The Ohio State University College of Dentistry, 305 W. 12th Avenue, Box No. 191, P.O. Box 182357, Columbus, Ohio 43218-2357, USA. Denry.1@osu.edu

Country: United States

AGENCY: United States NIDCR

GRANT: R01 DE13570

ACRONYM: DE

MEDLINETA: J Biomed Mater Res B Appl Biom

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