Grain boundary diffusion of oxygen in alumina ceramics
Journal Article
·
· Journal of the American Ceramic Society
- National Inst. for Research in Inorganic Materials, Tsukuba, Ibaraki (Japan)
The volume and grain boundary diffusion coefficients (D{sub v} and {delta}D{sub gb}) of oxygen at 1,673 K in pure and Mg-doped alumina were studied by using a resistive anode encoder of SIMS. The effect of Mg-doping on D{sub v} was observed clearly. The differences on {delta}D{sub gb} in pure and Mg-doped alumina were about 3 orders and 1 order of magnitude, respectively. The Mg-doping in alumina is useful for homogenizing grain boundary diffusion.
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 116110
- Journal Information:
- Journal of the American Ceramic Society, Journal Name: Journal of the American Ceramic Society Journal Issue: 9 Vol. 78; ISSN 0002-7820; ISSN JACTAW
- Country of Publication:
- United States
- Language:
- English
Similar Records
An effect of second phase on oxygen grain boundary diffusion in MgO-doped polycrystalline alumina
Grain boundary chemistry of alumina by high-resolution imaging SIMS[Secondary Ion Mass Spectroscopy]
Fast diffusion of cobalt along stationary and moving grain boundaries in niobium
Journal Article
·
Mon Jul 01 00:00:00 EDT 1996
· Materials Research Bulletin
·
OSTI ID:271620
Grain boundary chemistry of alumina by high-resolution imaging SIMS[Secondary Ion Mass Spectroscopy]
Journal Article
·
Thu Nov 11 23:00:00 EST 1999
· Acta Materialia
·
OSTI ID:20005380
Fast diffusion of cobalt along stationary and moving grain boundaries in niobium
Journal Article
·
Mon Aug 01 00:00:00 EDT 1994
· Acta Metallurgica et Materialia; (United States)
·
OSTI ID:6986851