Real-time measuring device and method for material reflectivity/transmissivity in microwave heating process
A technology of microwave heating and real-time measurement, which is applied in the direction of measuring devices, material analysis and material analysis using microwave means, and can solve the problem that the test device cannot be used in microwave heating occasions, etc.
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Embodiment 2
[0028] Measure the reflectance / transmittance of carbon fiber reinforced double horse resin matrix composite (ZT7H / QY9611) in the vertical fiber direction during microwave heating. First, the tested sample 4 is made of ZT7H / QY9611 prepreg, and the layup method is [0°] 16 , so as to ensure that the direction of the carbon fiber is perpendicular to the direction of the electric field during the test, the sample size is 86 (length) × 43 (width) × 2 (thickness) mm 3 . The following steps are then used to test the reflectance / transmittance of the material during microwave heating:
[0029] In the first step, open the cavity door 13 of the C surface of the single-mode resonant cavity 3 and place the material 4, and use the infrared temperature measurement module 10 to measure the temperature of the sample 4 to be measured in real time through the microwave shielding small hole 14;
[0030] In the second step, the microwave source 9 is turned on, the sample 4 to be tested is heated at...
Embodiment 3
[0033] Measure reflectance / transmittance of epoxy resin during microwave heating. Use the following steps to test the reflectivity / transmittance of epoxy resin during microwave heating,
[0034] In the first step, epoxy resin 4 is poured into the groove 16 of the sample holder and sealed with a cover plate 15 . The sample fixture is made of high temperature-resistant and wave-transparent polytetrafluoroethylene, and the outer dimension is 86 (length) × 43 (width) × 20 (thickness) mm 3 , the internal groove size is 80 (length) × 38 (width) × 15 (depth) mm 3 , the size of the cover plate 15 is 80 (length) × 38 (width) × 10 (thickness) mm 3 . Put the sample fixture into the microwave single-mode resonant cavity 3, insert the fiber optic fluorescence sensor into the microwave single-mode resonant cavity 3 and the temperature measurement hole 14 on the side of the sample fixture groove 16, and seal it with high-temperature tape. Connect the optical fiber fluorescence temperatur...
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