Advanced automated directional solidification furnace

Donald C. Gillies; F. A. Reeves; L. B. Jeter; J. D. Sledd; John W. Cole; Sandor L. Lehoczky

doi:10.1117/12.244347

12 July 1996 Advanced automated directional solidification furnace

Donald C. Gillies, F. A. Reeves, L. B. Jeter, J. D. Sledd, John W. Cole, Sandor L. Lehoczky

Proceedings Volume 2809, Space Processing of Materials; (1996) https://doi.org/10.1117/12.244347
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

The Advanced Automated Directional Solidification Furnace (AADSF) is a five zone tubular furnace designed for Bridgman-Stockbarger, other techniques of crystal growth involving multiple temperature zones such as vapor transport experiments and other materials science experiments. The five zones are primarily designed to produce uniform hot and cold temperature regions separated by an adiabatic region constructed of a heat extraction plate and an insert to reduce radiation from the hot to the cold zone. The hot and cold zone temperatures are designed to reach 1600 degrees C and 1100 degrees C respectively. AADSF operates on a multi- purpose experiment support structure within the cargo bay of the Space Shuttle on the United States Microgravity Payload (USMP) missions. Two successful flights, both employing the directional solidification or Bridgman-Stockbarger technique for crystal growth have been made, and crystals of HgCdTe and PbSnTe grown in microgravity have been produced on USMP- 2 and USMP-3 respectively. The addition of a sample exchange mechanism will enable three different samples to be processed on future flights including the USMP-4 mission.

Citation Download Citation

Donald C. Gillies, F. A. Reeves, L. B. Jeter, J. D. Sledd, John W. Cole, and Sandor L. Lehoczky "Advanced automated directional solidification furnace", Proc. SPIE 2809, Space Processing of Materials, (12 July 1996); https://doi.org/10.1117/12.244347

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