Chapter 43. Strength and Fracture Toughness of Hot Pressed Titanium Dibiride

  1. John B. Wachtman Jr.
  1. Kyu Cho1,
  2. R. Nathan Katz2 and
  3. Isa Bar-On2

Published Online: 26 MAR 2008

DOI: 10.1002/9780470314821.ch43

Proceedings of the 20th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures - A: Ceramic Engineering and Science Proceedings, Volume 17, Issue 3

Proceedings of the 20th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures - A: Ceramic Engineering and Science Proceedings, Volume 17, Issue 3

How to Cite

Cho, K., Katz, R. N. and Bar-On, I. (1996) Strength and Fracture Toughness of Hot Pressed Titanium Dibiride, in Proceedings of the 20th Annual Conference on Composites, Advanced Ceramics, Materials, and Structures - A: Ceramic Engineering and Science Proceedings, Volume 17, Issue 3 (ed J. B. Wachtman), John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470314821.ch43

Author Information

  1. 1

    Army Research Laboratory, Materials Directorate, Aberdeen Proving Ground, MD 21005-5069

  2. 2

    Mechanical Engineering Department, Worcester Polytechnic Institute, Worcester, MA 01609-2280

Publication History

  1. Published Online: 26 MAR 2008
  2. Published Print: 1 JAN 1996

ISBN Information

Print ISBN: 9780470375426

Online ISBN: 9780470314821

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Keywords:

  • rationalized;
  • displacement;
  • structural integrity;
  • fractographic;
  • fracture stress

Summary

Room temperature uniaxial and flexural strength, Weibull parameters, and fracture toughness of hot pressed TiBz are presented. Fracture toughness estimated from fractographic analysis was compared to the SEPB Kic measurements. Discrepancy between the estimated and measured values were rationalized by invoking the possibility of R-curve behavior. Fractographic analysis and the load displacement records of Vickers indented specimens point to the existence of rising R-curve behavior.

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