A Modified Method for the Calculation of the Humidity Adsorption Stresses Inside Zeolite Films Using Magnetoelastic Sensors

作者：Baimpos Theodoros; Tsukala Vassiliki; Nikolakis Vladimiros; Kouzoudis Dimitris^*

来源：Sensor Letters, 2012, 10(3-4): 879-885.

DOI：10.1166/sl.2012.2592

• Magnetoelastic Sensors
• Zeolite Films
• Metglas
• Adsorption Induced Stresses

A magnetoelastic sensor is comprised of a magnetoealstic substrate (Metglas) and an active layer (zeolite). In this paper, a previous method that measures adsorption-induced stresses in Metglas is modified. That method which was demonstrated for Metglas/FAU and Metglas/LTA sensors, was based on fitting the humidity adsorption data of each sensor with a phenomenological theory developed by Squire. The purpose of the current work is twofold. The previous method is modified with a more direct fitting approach and their results are compared to each other. Also, a model developed by Hsueh is applied in order to correlate the stresses in the Metglas with the induced stresses in the zeolite layers.

• 出版日期2012-4