Abstract
In order to understand fundamental mechanism of oxidation of aluminum nitride (AlN) and develop a new surface treatment forming a protective oxide scale on AlN, the oxidation behavior of AlN powder has been studied in an oxygen or oxygen/nitrogen atmosphere by thermogravimetry-differcntial thermal analysis and in-situ x-ray diffractometry. In the initial stage of heating AlM, oxygen mostly dissolves into AlN, When the temperature reaches a threshold temperature, an abrupt oxidation occurred. The mechanism of the abrupt oxidation is discussed in association with the dissolved oxygen. On the basis of the results and discussion, a new surface treatment is proposed to form a crack-free protective oxide scale on AlN.
Original language | English |
---|---|
Pages (from-to) | 149-157 |
Number of pages | 9 |
Journal | Ceramic Transactions |
Volume | 195 |
Publication status | Published - 2006 Jul 24 |
Externally published | Yes |
Event | 6th Pacific Rim Conference on Ceramic and Glass Technology, PacRim6 - Maui, HI, United States Duration: 2005 Sep 11 → 2005 Sep 16 |
ASJC Scopus subject areas
- Ceramics and Composites
- Materials Chemistry