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Proceedings Paper

Electrochemical synthesis of shape memory alloys
Author(s): Joseph Frimpong; Chong Ho Sonu; Timothy R. Hymer; Thomas J. O'Keefe
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Paper Abstract

Alloy films of Cu-Zn, Au-Cd, In-Tl, and In-Cd were produced using electrolytic techniques and their shape memory properties were evaluated. Cyanide solutions were used for the Cu-Zn and Au-Cd deposits, but sulfate solutions were preferred for the indium alloys. The use of pulsed current was beneficial in giving dense and uniform deposits. The Cu-Zn and Au-Cd alloys did exhibit a degree of brittle behavior in the as-deposited condition. Simple bending tests were conducted and shape memory effects were confirmed on the Cu-Zn and indium alloys. The phases present were determined at different temperatures using X-ray diffraction. The results show that electrolysis appears to be a feasible means of producing certain shape memory thin films with potentially interesting properties. However, more extensive studies are needed to optimize the performance of the electrodeposited alloy films.

Paper Details

Date Published: 23 July 1993
PDF: 11 pages
Proc. SPIE 1916, Smart Structures and Materials 1993: Smart Materials, (23 July 1993); doi: 10.1117/12.148493
Show Author Affiliations
Joseph Frimpong, Univ. of Missouri/Rolla (United States)
Chong Ho Sonu, Univ. of Missouri/Rolla (United States)
Timothy R. Hymer, Univ. of Missouri/Rolla (United States)
Thomas J. O'Keefe, Univ. of Missouri/Rolla (United States)


Published in SPIE Proceedings Vol. 1916:
Smart Structures and Materials 1993: Smart Materials
Vijay K. Varadan, Editor(s)

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