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Direct measurements of crystal growth velocities in undercooled melts

โœ Scribed by Dieter M. Herlach

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
520 KB
Volume
179-180
Category
Article
ISSN
0921-5093

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โœฆ Synopsis

Techniques of containlerless processing are applied to undercool and solidify metals and alloys. These techniques allow direct measurements of crystal growth velocity as a function of undercooling. Experimental results are presented for pure Ni, dilute Ni-B alloys, and intermetallic compounds of FeSi and CoSi. The results are analysed within current theories of rapid crystal growth. Special emphasis is placed on non-equilibrium effects occurring during rapid solidification of deeply undercooled melts.

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On the Mechanism of Crystal Growth from Undercooled Melts
โœ Dr. I. Gutzow; A. Razpopov; E. Pancheva; Prof. Dr. R. Kaischew ๐Ÿ“‚ Article ๐Ÿ“… 1972 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 442 KB ๐Ÿ‘ 2 views

## On the Mechanism of Crystal Growth from Undercooled Melts The mechanism of crystal growth from undercooled melts is studied experimentally by means of a simple capillary technique. Thymol and Na&&O,. 5 H,O are used as model substanc,es. Dislocation-free crystal faces of these compounds are obta