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Effect of Heat Treatment Schedules and Glass Powder Particle Size on Glass Infiltration in Porous Alumina Preforms

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Field Value
 
Title Effect of Heat Treatment Schedules and Glass Powder Particle Size on Glass Infiltration in Porous Alumina Preforms
 
Creator BAJPAI, P
BHARGAVA, P
 
Subject MECHANICAL-PROPERTIES
MELT-INFILTRATION
FRACTURE-TOUGHNESS
ZIRCONIA-CERAMICS
FLEXURAL STRENGTH
COMPOSITES
MICROSTRUCTURE
SHRINKAGE
SURFACE
CROWNS
 
Description Glass infiltrated alumina is one of the popular materials for fabrication of dental prostheses. Achieving complete and uniform glass infiltration is important to achieve desired properties in dental prostheses. This study examined the role of various factors on glass infiltration in sintered porous alumina preforms (porosity similar to 27%). Observations on infiltration in porous alumina samples at a heating rate of 3 degrees C/min at 1100 degrees C for 2h showed residual glass on the surfaces of the samples indicating incomplete infiltration. Rapid heating of the samples to the peak infiltration temperature by introducing the samples into a preheated furnace resulted in complete infiltration of glass into the samples in
 
Publisher WILEY-BLACKWELL
 
Date 2014-12-28T15:02:24Z
2014-12-28T15:02:24Z
2014
 
Type Article
 
Identifier INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY, 11(3)543-549
1546-542X
1744-7402
http://dx.doi.org/10.1111/ijac.12041
http://dspace.library.iitb.ac.in/jspui/handle/100/16821
 
Language English