TEM-CHARACTERIZATION OF RAPIDLY SOLIDIFIED NB-AL RIBBONS

Authors
ARNOLD B LOSER W LEONHARDT M
Citation
B. Arnold et al., TEM-CHARACTERIZATION OF RAPIDLY SOLIDIFIED NB-AL RIBBONS, Fresenius' journal of analytical chemistry, 361(6-7), 1998, pp. 656-659
Citations number
5
Categorie Soggetti
Chemistry Analytical
Journal title
Fresenius' journal of analytical chemistry → ACNP
ISSN journal
09370633
Volume
361
Issue
6-7
Year of publication
1998
Pages
656 - 659
Database
ISI
SICI code
0937-0633(1998)361:6-7<656:TORSNR>2.0.ZU;2-Y
Abstract
In rapidly solidified eutectic Nb-Al alloys a change in morphology fro m a lamellar microstructure to a globular anomalous eutectic one has b een observed. This behavior results from the decomposition of an inter mediate metastable tetragonal sigma-Nb2Al phase. By means of TEM, ele ctron diffraction and EDXS this metastable phase was characterized and the solidification behavior via different transition steps of the met astable sigma-Nb2Al was elucidated.