Monitoring and Characterization of Chemical Shrinkage during Curing in a RTM Resin

Xue Qin Li; Zi Long Zhang; Xiao Su Yi

doi:10.4028/www.scientific.net/AMR.476-478.2594

Paper Titles

Analysis on Test Method of Metal Magnetic Memory Mechanism of Ferromagnetic Materials Based Plastic Deformation
p.2577

Damage Evaluation of Supercritical CO₂ for Hydronibrile Nitrile(HNBR)
p.2582

The Application of Multiaxial Fabric Blower Blade and its Strength Theory Check
p.2586

Application of Ultrasonic Guided Wave Method for Flaw Detection in Coal-Fired Power Plants
p.2590

Monitoring and Characterization of Chemical Shrinkage during Curing in a RTM Resin
p.2594

Failure Analysis of Hard Alloy Roll Rings and their Repairing Technology
p.2599

Characterization of Wafer Surface Topography after CMP
p.2603

The Deduction and Application of Correction Formulas of Three-Dimensional Residual Stress with Layer Stripping Method
p.2608

Equilibrium Automatic Wind Door and Electronic Control System
p.2613

HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 476-478Monitoring and Characterization of Chemical...

Monitoring and Characterization of Chemical Shrinkage during Curing in a RTM Resin

Abstract:

Chemical cure shrinkage of polymer matrix is a significant source of residual strain formation in composite products during curing. In this paper, fiber Bragg grating (FBG) sensors were used to monitor the free strain development caused by chemical shrinkage and compared with results of differential scanning calorimetry and rheological analysis. The results showed that the gel point could be clearly identified by FBG sensors and compressive residual strain of around 800με was caused by isothermal curing reaction after gelation. The relationship between the chemical shrinkage ratio and conversion degree was found to be nonlinear.

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Periodical:

Advanced Materials Research (Volumes 476-478)

Pages:

2594-2598

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.476-478.2594

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Online since:

February 2012

Authors:

Xue Qin Li, Zi Long Zhang, Xiao Su Yi

Keywords:

Chemical Shrinkage, Cure Monitoring, Fiber Bragg Grating (FBG), RTM Resin

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