Mannitol for High Temperature Phase Change Actuators
2014 (English)Conference paper, Poster (Other academic)
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
Engineering and Technology
Research subject Engineering Science with specialization in Microsystems Technology
IdentifiersURN: urn:nbn:se:uu:diva-239160OAI: oai:DiVA.org:uu-239160DiVA: diva2:773390
Micronano System Workshop (MSW) 2014, 10th Micronano System Technology Event, 15-16 May, Uppsala, Sweden