Coldfinger motion suppression using a ceramic applique

Chin-Po Kuo; Robert J. Glaser; John A. Garba

doi:10.1117/12.152801

8 September 1993 Coldfinger motion suppression using a ceramic applique

Chin-Po Kuo, Robert J. Glaser, John A. Garba

Proceedings Volume 1917, Smart Structures and Materials 1993: Smart Structures and Intelligent Systems; (1993) https://doi.org/10.1117/12.152801
Event: 1993 North American Conference on Smart Structures and Materials, 1993, Albuquerque, NM, United States

Abstract

The development of a ceramic applique for the vibration suppression of a cryocooler coldfinger is a part of technology demonstration flight experiment. Three sectors of a piezoelectric PZT bonded to the coldfinger are used as actuators to control the motion of the tip. A technique for bonding the PZT material to the coldfinger was developed that minimizes tensile stresses in the ceramic during operation. Extensive development testing has been performed to verify the efficiency of the adhesive and the coldfinger performance at cryogenic temperatures. The problems encountered during the fabrication and assembly of the coldfinger are described. Results of tests are summarized.

Citation Download Citation

Chin-Po Kuo, Robert J. Glaser, and John A. Garba "Coldfinger motion suppression using a ceramic applique", Proc. SPIE 1917, Smart Structures and Materials 1993: Smart Structures and Intelligent Systems, (8 September 1993); https://doi.org/10.1117/12.152801

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