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Mannitol for High Temperature Phase Change Actuators
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Microsystems Technology.ORCID iD: 0000-0003-2445-4624
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Microsystems Technology.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Microsystems Technology.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Microsystems Technology.
2014 (English)Conference paper, Poster (with or without abstract) (Other academic)
Abstract [en]

To enable valves for hot water microsystems, the possibility of using the volume expansion of the phase transition from solid to liquid in mannitol for strong high temperature actuators was studied. From room temperature to 160°C, a linear expansion of 4% was measured, and the expansion at the phase transition from solid to liquid at 160°C to 180°C was measured to be 7%. Stainless steel structures with a stainless steel diaphragm was filled and repeatedly heated up to 180◦C while measuring the deflection of the diaphragm using a laser sensor. The height differences was measured to be 25 μm at 180°C.

In combination with a fluidic system, the mannitol actuator should capable as a valve for hot water microsystems. 

Place, publisher, year, edition, pages
2014.
National Category
Engineering and Technology
Research subject
Engineering Science with specialization in Microsystems Technology
Identifiers
URN: urn:nbn:se:uu:diva-239160OAI: oai:DiVA.org:uu-239160DiVA: diva2:773390
Conference
Micronano System Workshop (MSW) 2014, 10th Micronano System Technology Event, 15-16 May, Uppsala, Sweden
Available from: 2014-12-18 Created: 2014-12-18 Last updated: 2016-04-22Bibliographically approved

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Knaust, StefanAndersson, MartinHjort, KlasKlintberg, Lena
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