Abstract
Temperature-controlled reversible surface protrusions can be made on NiTi shape memory alloys and thin films as a result of indentation induced two-way shape memory effect. First, spherical indents or scratches are made on the surface of a NiTi alloy in its martensite phase. Second, the indented or scratched surface is planarized to restore a flat surface. Reversible circular and line protrusions are produced by altering the temperature to drive the martensite to austenite phase transformation. This phenomenon can be exploited for a wide range of optical, tribological, and microelectromechanical device applications.
| Original language | English |
|---|---|
| Article number | 041912 |
| Journal | Applied Physics Letters |
| Volume | 89 |
| Issue number | 4 |
| DOIs | |
| State | Published - 2006 |
Bibliographical note
Funding Information:The authors are grateful to the National Science Foundation for partial support of this work under SGER Contract No. CMS0336810 and GOALI Contract No. CMS0510294.
Funding
The authors are grateful to the National Science Foundation for partial support of this work under SGER Contract No. CMS0336810 and GOALI Contract No. CMS0510294.
| Funders | Funder number |
|---|---|
| National Science Foundation (NSF) | CMS0336810, CMS0510294 |
ASJC Scopus subject areas
- Physics and Astronomy (miscellaneous)
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