Powder Selection in Cosintering Multi-layered Ceramic Functionally Graded Materials Based on the Densification Kinetics Curves-Reference-Cited by-同舟云学术

Powder Selection in Cosintering Multi-layered Ceramic Functionally Graded Materials Based on the Densification Kinetics Curves

Published:2009-01-29 Issue:5 Volume:43 Page:469-482
ISSN:0021-9983
Container-title:Journal of Composite Materials
language:en
Short-container-title:Journal of Composite Materials

Author:

Li Sun ¹,Sneller Adam¹,Kwon Patrick²

Affiliation:

1. Mechanical Engineering Department, Michigan State University East Lansing, MI 48823, USA

2. Mechanical Engineering Department, Michigan State University East Lansing, MI 48823, USA,

Abstract

In the cosintering process to fabricate a multi-layered ceramic functionally graded material (FGM), the difference in the sintering behaviors among the layers can cause cracks or camber to form. One way to reduce the likelihood of cracks or camber in the FGM is to use powders with similar transient densification kinetics for a given set of sintering conditions. In this study, the densification kinetics characteristics of several alumina powder mixtures and zirconia powder mixtures were investigated using a thermomechanical analyzer (TMA). By comparing the densification data for the alumina and zirconia powder mixtures, a set of mixtures that exhibits a similar transient densification kinetics was found. Using this set of powders, a three-layered alumina/alumina+zirconia/ zirconia FGM was successfully fabricated without cracks or camber.

Publisher

SAGE Publications

Subject

Materials Chemistry,Mechanical Engineering,Mechanics of Materials,Ceramics and Composites

Link

http://journals.sagepub.com/doi/pdf/10.1177/0021998308097678

Reference21 articles.

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