A shape memory microcage of TiNi/DLC films for biological applications

Fu, Yong Qing, Luo, J. K., Ong, Soon-Eng, Zhang, Sam, Flewitt, Andrew and Milne, William (2008) A shape memory microcage of TiNi/DLC films for biological applications. Journal of Micromechanics and Microengineering, 18 (3). 035026. ISSN 0960-1317

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Official URL: http://dx.doi.org/10.1088/0960-1317/18/3/035026

Abstract

A TiNi/diamond-like-carbon (DLC) microcage has been designed for biological applications. The structure is composed of a top layer of TiNi film and a bottom layer of highly compressively stressed DLC for upward bending once released from the substrate. The fingers of the microcage quickly close through the shape memory effect once the temperature reaches the austenite start transformation point to execute the gripping action. Opening the microcage is realized by either decreasing the temperature to make use of the martensitic transformation or further increasing the temperature to use the bimorph thermal effect. The biocompatibility of both the TiNi and DLC films has been investigated using a cell-culture method.

Item Type: Article
Subjects: F200 Materials Science
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: Becky Skoyles
Date Deposited: 27 Mar 2015 10:33
Last Modified: 24 Oct 2017 08:54
URI: http://nrl.northumbria.ac.uk/id/eprint/21883

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