Paper Title:
Fabrication and Formation Mechanism of Flowerlike Bicephalous TiB2 Nanowhisker Clusters
  Abstract

Flowerlike bicephalous titanium diboride (TiB2) nanowhisker clusters were fabricated by planetary ball-milling. The pure cleavage theory and crack growth mechanism were used to explain the formation process. The high-resolution transmission electron microscopy and nano electronic beam diffraction show that TiB2 superhard material always has a cleavage plane along the direction of [0001] zone axe and [10 0] zone axe because of its big interplane distance, weak bonding force between planes and low index directions. The flowerlike bicephalous TiB2 nanowhisker can be gained after repeated cleavage under high strains. The discovery could open a new path to fabricate C32 type superhard ceramic nanowhiskers.

  Info
Periodical
Materials Science Forum (Volumes 620-622)
Edited by
Hyungsun Kim, JienFeng Yang, Tohru Sekino and Soo Wohn Lee
Pages
525-528
DOI
10.4028/www.scientific.net/MSF.620-622.525
Citation
F. Huang, Z. Y. Fu, A. H. Yan, T. K. Jia, W. M. Wang, H. Wang, Y. C. Wang, J. Y. Zhang, Q. J. Zhang, "Fabrication and Formation Mechanism of Flowerlike Bicephalous TiB2 Nanowhisker Clusters", Materials Science Forum, Vols. 620-622, pp. 525-528, 2009
Online since
April 2009
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$32.00
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