The formation of twinned Widmanstätten austenite
✍ Scribed by L.T. Shiang; C.M. Wayman
- Publisher
- Elsevier Science
- Year
- 1985
- Weight
- 612 KB
- Volume
- 18
- Category
- Article
- ISSN
- 0026-0800
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Unidirectional solidification experiments have been performed with a thermoelectric alloy with a starting composition of Pb 10.5 Sb 31.6 Te 57.9 in the pseudobinary PbTe-Sb 2 Te 3 system. The bottom of the resulting rod consists of PbTe phase with Widmansta ¨tten precipitates of Sb 2 Te 3 . The prec
The lengthening rates of needle and plate precipitates of alpha phase from beta brass are examined. Measured kinetics are compared with rates expected from volume diffusion considerations. Needle lengthening in ordered beta brass is found to be compatible with the volume diffusion model