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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/12775

Title: Influence of Nature of Filler on Densification of Anorthite-Based Crystallizable Glass plus Ceramic System for Low Temperature Cofired Ceramics Application
Authors: KUMAR, CJD
SOWMYA, TK
SUNNY, EK
RAGHU, N
VENKATARAMANI, N
KULKARNI, AR
Keywords: low dielectric-constant
cordierite system
particle-size
multilayer substrate
ltcc technology
phase
fabrication
package
force
stage
Issue Date: 2009
Publisher: WILEY-BLACKWELL PUBLISHING, INC
Citation: JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 92(3), 595-600
Abstract: This paper deals with the critical aspects of sintering of crystallizable glass+ceramic system, which is a critical part of low-temperature-cofired ceramics (LTCC) process. Densification studies clearly revealed the influence of filler's nature especially at lower glass contents (<= 70 vol%) and lower sintering temperatures. In this temperature range, marked improvement in density was observed in the order cordierite > fused silica > mullite > alumina. The decisive role played by wetting of glass on filler has been demonstrated using heating microscopy and wetting studies. However, densification was not influenced by the nature of filler at higher glass contents (> 70 vol%) and at higher sintering temperatures. This is because in this range of glass content viscous flow of glass dominates the wetting behavior. This paper brings out the salient features responsible for the sintering behavior of anorthite glass+ceramic LTCC composition.
URI: http://dx.doi.org/10.1111/j.1551-2916.2008.02912.x
http://dspace.library.iitb.ac.in/xmlui/handle/10054/12775
http://hdl.handle.net/10054/12775
ISSN: 0002-7820
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