1 July 2007 Study of polymer thermal and mechanical properties using a fiber Bragg grating thermal sensor
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Abstract
A simple and practical method for the study of polymer thermal and mechanical properties using a fiber Bragg grating (FBG) sensor is presented for the first time, in which the FBG is embedded in a typical epoxy polymer. By measuring the sensitivity change of the FBG sensor, changes of the thermal-mechanical properties of the polymer with temperature and pressure can be measured. The experimental results show that this technique is capable of providing continuous in-line monitoring such properties with high sensitivity during transformation between the glassy state and the rubbery state of a polymer within the temperature and pressure range of 20 to 180°C and 0 to 15 MPa.
An Sun, Bai Chen, Jialin Chen, Zhengyuang Cao, "Study of polymer thermal and mechanical properties using a fiber Bragg grating thermal sensor," Optical Engineering 46(7), 074401 (1 July 2007). https://doi.org/10.1117/1.2753152
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