Chapter 27. Response of Alumina-Titania (AT-13) Ceramic Composite Deposits to High Frequency Impact Loading

  1. Hua-Tay Lin and
  2. Mrityunjay Singh
  1. K. Vijayakumar,
  2. Apurbba KR. Sharma,
  3. M.M. Mayuram and
  4. R. Krishnamurthy

Published Online: 26 MAR 2008

DOI: 10.1002/9780470294741.ch27

26th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures: A: Ceramic Engineering and Science Proceedings, Volume 23, Issue 3

26th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures: A: Ceramic Engineering and Science Proceedings, Volume 23, Issue 3

How to Cite

Vijayakumar, K., Sharma, A. KR., Mayuram, M.M. and Krishnamurthy, R. (2008) Response of Alumina-Titania (AT-13) Ceramic Composite Deposits to High Frequency Impact Loading, in 26th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures: A: Ceramic Engineering and Science Proceedings, Volume 23, Issue 3 (eds H.-T. Lin and M. Singh), John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470294741.ch27

Author Information

  1. Mechanical Engineering Department, Indian Institute of Technology Madras, Chennai-600 036, India. Phone: +91–044–445–8509, Fax: +91–044–445–8578

Publication History

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

ISBN Information

Print ISBN: 9780470375785

Online ISBN: 9780470294741

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Keywords:

  • acoustic emission;
  • ceramic composites;
  • dynamic;
  • dimension;
  • parameters

Summary

The main objective of the present investigation is to study the response of atmospheric plasma sprayed alumina-titania (AT-13) ceramic composite deposits to high frequency impact loading in both as-sprayed and microwave treated conditions. It is found that critical load and duration for the onset of cracking is around 8N and 3 minutes for as-sprayed and ION and 3 minutes for microwave treated ceramic composite deposits. Predominantly burst mode of acoustic emission (AE) response was observed during impact loading. The dominating frequency of emission is in the range of 100 - 400 kHz for as sprayed and 800–900 kHz for microwave treated deposits.