Abstract
A new mechanism is proposed for the growth of denuded zone and superplasticity in general. This is the flow of grain boundary fluid that has a Herschel-Bulkley behavior. Such a mechanism could provide a power-law stress dependence, a threshold stress, a grain size effect and an activation energy comparable to grain boundary diffusion.
| Original language | English |
|---|---|
| Pages (from-to) | 991-995 |
| Number of pages | 5 |
| Journal | Scripta Materialia |
| Volume | 48 |
| Issue number | 8 |
| DOIs | |
| State | Published - Apr 14 2003 |
Keywords
- Denuded zone
- Grain boundary diffusion
- Grain boundary fluid flow
- Mg alloys
- Superplasticity
ASJC Scopus subject areas
- General Materials Science
- Condensed Matter Physics
- Mechanics of Materials
- Mechanical Engineering
- Metals and Alloys