Chapter 26. Monazite and Scheelite Deformation Mechanisms
- Todd Jessen,
- Ersan Ustundag
Published Online: 28 MAR 2008
DOI: 10.1002/9780470294635.ch26
Copyright © 2000 The American Ceramic Society
Book Title
24th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures: B: Ceramic Engineering and Science Proceedings, Volume 21, Issue 4
Additional Information
How to Cite
Hay, R. S. (2008) Monazite and Scheelite Deformation Mechanisms, in 24th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures: B: Ceramic Engineering and Science Proceedings, Volume 21, Issue 4 (eds T. Jessen and E. Ustundag), John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470294635.ch26
Publication History
- Published Online: 28 MAR 2008
- Published Print: 1 JAN 2000
Book Series:
ISBN Information
Print ISBN: 9780470375693
Online ISBN: 9780470294635
- Summary
- Chapter
- References
Keywords:
- electron microscopy;
- recrystallized;
- fiber matrix;
- oxidation;
- yttrium aluminum garnet (YAG)
Summary
Transmission electron microscopy observations of deformation after spherical indentation of polycrystalline monazite (LaPO4) and scheelite (CaWO4) are presented and discussed. Deformation mechanisms in monazite include extensive microcracking by cleavage, dislocation plasticity, and twinning. Similar mechanisms were observed in scheelite, except no twinning was found. Observations of deformation in monazite fiber coatings after fiber push-out at room temperature are also presented. A thin layer of monazite next to the fiber was heavily deformed and recrystallized.