Member, American Ceramic Society.
Processing of High-Density Submicrometer Al2O3 for New Applications
Version of Record online: 20 DEC 2004
Journal of the American Ceramic Society
Volume 86, Issue 4, pages 546–53, April 2003
How to Cite
Krell, A., Blank, P., Ma, H., Hutzler, T. and Nebelung, M. (2003), Processing of High-Density Submicrometer Al2O3 for New Applications. Journal of the American Ceramic Society, 86: 546–53. doi: 10.1111/j.1151-2916.2003.tb03339.x
S. M. Wiederhorn—contributing editor
Presented at the International Symposium on Science and Technology of Alumina (Schloss-Rigberg, Germany, March 17–22, 2002).
Note that hardness differences between these submicrometer grades cannot be expressed by a microhardness (measured, e.g., with a testing load of 500 gf) because at these low loads the small size of the testing indent exerts a similar limitation of dislocation mobility and gives similarly high hardness values in coarse microstructures as for fine-grained materials (where it is the small grain size which hinders dislocation activity).7 Therefore, the use of a macrohardness like HV10 (Vickers hardness measured at a testing load of 10 kgf) is imperative for a technically significant characterization of the new submicrometer grades.
- Issue online: 20 DEC 2004
- Version of Record online: 20 DEC 2004
- Manuscript No. 186776. Received August 15, 2002; approved December 3, 2002.
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