Isothermal dendritic growth experiment: Science, engineering, and hardware development for USMP space flights

M. E. Glicksman, R. C. Hahn, M. B. Koss, S. H. Tirmizi, M. E. Selleck, A. Velosa, E. Winsa

Research output: Contribution to journalArticlepeer-review

Abstract

The Isothermal Dendritic Growth Experiment (IDGE) has been designed to provide microgravity data on dendritic growth for a critical test of theory. This paper updates our progress on constructing a crystal growth chamber suitable for space flight. The IDGE chamber is constructed from glass and stainless steel and is hermetically sealed by electron beam welds and glass-metal seals. Initial tests of the chambers sample's melting point plateau show that the new chamber design is capable of preserving the 99.9995 pct purity of succinonitrile (SCN). One can initiate dendrite growth in the center of the IDGE chamber by means of thermo-electric coolers and a capillary injector tube (stinger). The new IDGE chamber is ready for fully integrated tests with the prototype IDGE engineering hardware at NASA's Lewis Research Center.

Original languageAmerican English
Pages (from-to)53-57
Number of pages5
JournalAdvances in Space Research
Volume11
Issue number7
DOIs
StatePublished - 1991
Externally publishedYes

ASJC Scopus subject areas

  • Aerospace Engineering
  • Astronomy and Astrophysics
  • Geophysics
  • Atmospheric Science
  • Space and Planetary Science
  • General Earth and Planetary Sciences

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