Low-Temperature Aging Degradation-Free 3Y-TZP/Nb Composites

In the current work, 3Y‐YZP strengthened with lamellar flaky shape Nb metal particles was obtained by a hot press at 1400°C for 1 h. This composite is unaffected by the low‐temperature degradation, humidity‐enhanced phase transformation typical of yttria‐stabilized zirconia polycrystalline ceramic....

Full description

Saved in:
Bibliographic Details
Published in:Journal of the American Ceramic Society 2010-07, Vol.93 (7), p.1842-1844
Main Authors: Gutiérrez-González, Carlos F., Moya, José S., Palomares, Francisco J., Bartolomé, José F.
Format: Article
Language:English
Subjects:
Ceramics
Chemical elements
Crack propagation
Degradation
Metals
Optimization
Phase transformations
Phase transitions
Polycrystals
Solid solutions
Temperature
Tetragonal zirconia polycrystals
Yttria stabilized zirconia
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:In the current work, 3Y‐YZP strengthened with lamellar flaky shape Nb metal particles was obtained by a hot press at 1400°C for 1 h. This composite is unaffected by the low‐temperature degradation, humidity‐enhanced phase transformation typical of yttria‐stabilized zirconia polycrystalline ceramic. The destructive phase transformation is dramatically reduced by the presence of a solid solution of Nb2O5 into the 3Y‐TZP matrix. This new 3Y‐TZP/Nb composite exhibits an optimal combination of “aging free” and crack growth resistance never attained before.
ISSN:0002-7820
1551-2916
DOI:10.1111/j.1551-2916.2010.03628.x