Chapter 38. Microstructural Evolution of EB–PVD TBC'S on Cylinderical Surfaces

  1. Hau-Tay Lin and
  2. Mrityunjay Singh
  1. J. Bernier1,
  2. Md. Maniruzzaman1,
  3. M. Fontecchio1,
  4. R. D. Sisson Jr.1 and
  5. S. Bose2

Published Online: 26 MAR 2008

DOI: 10.1002/9780470294758.ch38

26th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures: B: Ceramic Engineering and Science Proceedings, Volume 23, Issue 4

26th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures: B: Ceramic Engineering and Science Proceedings, Volume 23, Issue 4

How to Cite

Bernier, J., Maniruzzaman, Md., Fontecchio, M., Sisson, R. D. and Bose, S. (2002) Microstructural Evolution of EB–PVD TBC'S on Cylinderical Surfaces, in 26th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures: B: Ceramic Engineering and Science Proceedings, Volume 23, Issue 4 (eds H.-T. Lin and M. Singh), John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470294758.ch38

Author Information

  1. 1

    Materials Science & Engineering Program Mechanical Engineering Dept Worcester Polytechnic Institute Worcester, MA 01609

  2. 2

    Materials & Processing Engineering Pratt & Whitney East Hartford, CT 06108

Publication History

  1. Published Online: 26 MAR 2008
  2. Published Print: 1 JAN 2002

ISBN Information

Print ISBN: 9780470375792

Online ISBN: 9780470294758

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Keywords:

  • thermal barrier ;
  • microstructures;
  • cylindrical surfaces;
  • electron beam ;
  • physical vaporization

Summary

The microstructures of EB–PVD TBC's have been characterized as a function of angular position and cylinder height on stationary cylindrical surfaces in the coating chamber. The microstructures were evaluated using x-ray diffraction for qualitative crystallographic texture as well as by optical microscopy and scanning electron microscopy for crystal column growth morphology. The results revealed several very strong crystallographic textures as well as a variety of crystal growth morphology.