| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1476290 | Journal of the European Ceramic Society | 2011 | 7 Pages |
Abstract
The oxidation resistance of B6O materials with and without Y2O3/Al2O3 additives and a typical cBN material were analysed in dry and wet air using TG measurements for up to 10 h and static experiments in a muffle furnace for up to 50 h. The results showed that the oxidation of the materials is sensitive to the composition of the atmosphere. In wet air with 17 vol.% H2O a weight loss was measured for all materials. In dry air a parabolic increase of the mass and a formation of a glassy surface layer were observed for the B6O materials whereas the cBN-material is characterized by the formation of a mostly crystalline layer.The oxidation resistance is the lowest for the pure B6O and the highest for the investigated cBN material.
Related Topics
Physical Sciences and Engineering
Materials Science
Ceramics and Composites
Authors
M. Herrmann, M. Thiele, K. Jaenicke-Roessler, C.S. Freemantle, I. Sigalas,