Metastable phase separation and rapid solidification of undercooled Co-Cu alloy under different conditions

2006 ◽  
Vol 15 (4) ◽  
pp. 872-877 ◽  
Author(s):  
Cao Chong-De
Keyword(s):  
Phase Separation ◽  
Rapid Solidification ◽  
Metastable Phase ◽  
Cu Alloy ◽  
Metastable Phase Separation

Observation of metastable phase separation and amorphous phase in Fe67Co33 alloy thin films synthesized by pulsed laser depositions

2015 ◽  
Vol 15 (6) ◽  
pp. 717-721 ◽  
Author(s):  
G. Hassnain Jaffari ◽  
Abdul K. Rumaiz ◽  
C. Ni ◽  
Emre Yassitepe ◽  
M. Bah ◽  
...  
Keyword(s):  
Thin Films ◽  
Phase Separation ◽  
Amorphous Phase ◽  
Metastable Phase ◽  
Pulsed Laser ◽  
Metastable Phase Separation

Kinetics of Phase Separation in Lithium Bearing HLW Alkaliborosilicate Glasses

1995 ◽  
Vol 412 ◽  
Author(s):  
J. GÖttlicher ◽  
H. J. Pentinghaus
Keyword(s):  
Phase Separation ◽  
Transformation Temperature ◽  
Ostwald Ripening ◽  
Metastable Phase ◽  
Particle Growth ◽  
Glass Frit ◽  
Diffusion Controlled ◽  
Metastable Phase Separation ◽  
Scale Particle ◽  
Kinetics Of

AbstractA TEM study on the kinetics of metastable phase separation in a lithium bearing HLW glass frit is presented. As nothing was known about the kinetics of metastable phase separation below the glass transformation temperature we had to carry out annealing experiments just above and below the transformation temperature, in order to achieve phase separation on a laboratory time scale- Particle growth in the WAKID5 HLW glass frit at 550 °C occurs by a diffusion controlled Ostwald ripening process (about 40 °C above Tg). Metastable phase separation in the lithium bearing glasses even at lower temperatures cannot be excluded from the present study. In NaBSi3O8 glass (Tg ≈ 580 °C) phase separation could be detected at 500 °C well below Tg after about 160 days.

Estimation of phase separation rates of PbO–B2O3 melts

1995 ◽  
Vol 10 (6) ◽  
pp. 1561-1564 ◽  
Author(s):  
S. Inoue ◽  
K. Wada ◽  
A. Nukui ◽  
M. Yamane ◽  
S. Shibata ◽  
...  
Keyword(s):  
Phase Separation ◽  
Liquid Phase ◽  
Visual Field ◽  
Metastable Phase ◽  
Time Interval ◽  
Separation Rate ◽  
Metastable Phase Separation ◽  
Homogenization Temperatures ◽  
Liquid Liquid Phase Separation

The rate of liquid-liquid phase separation was experimentally studied in the PbO-B2O3 system. The in situ measurements were made by observing the melts with a videocamera continuously as the melts were cooled down from homogenization temperatures at a rate of 2.5 °C/min. The time interval between the beginning and the completion of the darkening of the visual field was determined as a measure of the separation rate. The phase-separation rate was estimated to be at least 900 times larger than that of the metastable phase separation below the liquidus.

Sign in / Sign up

Export Citation Format

Share Document