APPLICATION OF FIBER BRAGG GRATING ON CURE PROCESS RESEARCH OF ADVANCED COMPOSITE

Abstract

Abstract: Advanced polymer matrix composite is applied widely in the field of aerospace engineering. Autoclave molding process has became one of the primary molding process for composite structure, but this process exists problems of low efficiency and high cost, and the cure strain caused in forming process will affect the structure quality. By using FBG sensor to insitu monitor strain/stress, it plays an important role in making reasonable process and improving structure quality. In this paper, the solutions of crosssensitivity of FBG measurements in autoclave molding process are described in detail. The main research process of composite curing molding by using FBG insitu monitoring are reviewed during the past years. Combined with the research status at home and abroad, some considerations for the application prospect and urgent problems of FBG insitu monitoring are put forward.

Key words: composite, fiber Bragg grating, cure-induced strain, in-situ monitoring, quality

CLC Number:

TB332

ZHANG Yong-an, ZHAN Li-hua. APPLICATION OF FIBER BRAGG GRATING ON CURE PROCESS RESEARCH OF ADVANCED COMPOSITE[J]. Fiber Reinforced Plastics/Composites, 2016, 0(1): 86-91.

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