New Cutting Processes for Single Crystalline Ni-Mn-Ga Actuator Elements
A. Böhm1, S. Groß1, J. Schneider1, W.-G. Drossel1, E. Pagounis2, M. Laufenberg2
1 Fraunhofer IWU, Dresden, Germany
2 ETO MAGNETIC GmbH, Germany
For the production of Ni-Mn-Ga single crystalline actuator elements dicing technique was applied and compared to wire erosion technology. In the present paper a cutting strategy and different possible technologies for machining of Ni-Mn-Ga actuator elements are introduced. The quantitative determination of the surface roughness for the cutting technologies used was performed. The different cutting technologies are classified with regard to applicability for different Ni-Mn-Ga material thicknesses. The results of magnetic-field induced strain measurements in wire eroded and diced Ni-Mn-Ga actuator elements are shown and discussed with respect to cutting edge quality.
ACTUATOR 2014 Manuscript Poster 27
Publication date: 10/04/2015
Manuscript Poster 27 published in Conference Proceedings ACTUATOR 2014
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