A fiber optic thermoset cure monitoring sensor

被引：16
|
作者：
Giordano, M
Nicolais, L
Calabrò, AM
Cantoni, S
Cusano, A
Breglio, G
Cutolo, A
机构：
[1] CNR, Inst Composite Mat Technol, I-80125 Naples, Italy
[2] Italian Aerosp Res Ctr, I-41043 Capua, Italy
[3] Univ Naples Federico II, Dept Elect & Telecommun Engn, I-80125 Naples, Italy
来源：
POLYMER COMPOSITES | 2000年 / 21卷 / 04期
基金：
欧盟地平线“2020”;
关键词：
D O I：
10.1002/pc.10207
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
Curing determines the chemical and physical properties of a reacting resin. Among these, the optical properties strongly correlate with the structural features of the developing polymeric network. By monitoring changes of the refractive index, it is possible to analyze the polymerization of thermoset resin. in this work, a fiber optic sensor system has been designed and developed (based on the optical time domain reflectometry principle) to measure the reflection coefficient at the interface between the fiber optic and the resin during a curing process. Correlation between the sensor output and conversion has been proposed, following the Lorentz-Lorenz law. Isothermal data from the sensor have been compared with calorimetric analysis of an epoxy-based resin.
引用
收藏
页码：523 / 530
页数：8
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