Shape Memory Alloy (SMA) Engine / Combined Heat and Power (CHP) System

http://scholar.lib.vt.edu/theses/available/etd-02102001-172947/unrestricted/ETD.pdf

http://www.tinialloy.com/act98.htm

What are Shape Memory Alloys (SMA)? You can find info about SMA in the following site:

http://webdocs.cs.ualberta.ca/~database/MEMS/sma_mems/sma.html