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Entwicklung miniaturisierter Aktorsysteme basierend auf magnetischen Formgedächtnislegierungen

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Book Series: Schriften des Instituts für Mikrostrukturtechnik am Karlsruher Institut für Technologie / Hrsg.: Institut für Mikrostrukturtechnik ISSN: 18695183 ISBN: 9783731505006 Year: Volume: 33 Pages: XI, 203 p. DOI: 10.5445/KSP/1000053101 Language: GERMAN
Publisher: KIT Scientific Publishing
Subject: Technology (General)
Added to DOAB on : 2019-07-30 20:01:59
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Abstract

In this work, the actuation principles of single-crystal Ni-Mn-Ga alloys based on the magnetic shape memory effect (MSM-effect) and the coupling between their magnetic, mechanical and thermal properties, are investigated. The MSM effect is generated by the magnetically induced reorientation of the crystal structure. Thereby, the magnetic strain up to 10 % can be reached.

Schädigung und Lebensdauer von Nickelbasislegierungen unter thermisch-mechanischer Ermüdungsbeanspruchung bei verschiedenen Phasenlagen

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Book Series: Schriftenreihe des Instituts für Angewandte Materialien, Karlsruher Institut für Technologie ISSN: 21929963 ISBN: 9783731504450 Year: Volume: 53 Pages: IX, 149 p. DOI: 10.5445/KSP/1000049869 Language: GERMAN
Publisher: KIT Scientific Publishing
Subject: Technology (General)
Added to DOAB on : 2019-07-30 20:02:02
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Abstract

This work considers the behaviour of two nickel-base alloys under thermo-mechanical fatigue loading with varying phase angles between mechanical strain and temperature. The investigations focus on the characterisation of microstructures and damage mechanisms as a function of the phase angle. Based on the results, a life prediction model is proposed.

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