Abstract
The MC precipitate size distributions have been measured for times of 1, 10, 100, 300 and 1000 hr at 700 and 900°C in a 16Ni-14Cr advanced austenitic steel. A new correlation between the mean precipitate size, aging time and temperature has been developed. The new correlation is compatible with a solute exhaustion mechanism, which may explain why (i) the MC precipitates formed on matrix dislocations resist coarsening for up to 3000 hr at 900°C; and (ii) the degree of cold work (i.e., the dislocation density), which determines the number ofMC nucleation sites, controls the limiting precipitate size.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 364-368 |
| Number of pages | 5 |
| Journal | Journal of Pressure Vessel Technology, Transactions of the ASME |
| Volume | 114 |
| Issue number | 3 |
| DOIs | |
| State | Published - Aug 1992 |
All Science Journal Classification (ASJC) codes
- Safety, Risk, Reliability and Quality
- Mechanics of Materials
- Mechanical Engineering
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