中文摘要：

复合材料制造工艺的复杂性和分散性容易导致复合材料在固化过程中出现空隙、干斑、分层、翘曲变形等缺陷或损伤,从而严重影响复合材料的质量。对固化过程进行实时原位监测是控制和提高复合材料成型质量的重要手段。以液体成型工艺（LCM）为背景,首先分析了复合材料固化过程及其需要监测的物理量,然后重点论述了光纤方法、超声方法、电学方法和热学方法等复合材料固化监测技术的研究进展,最后讨论了复合材料固化监测的发展趋势和面临的挑战。

英文摘要：

The complexity and dispersivity of composite manufacturing can easily make composite produce voids,porosity,dry spots,warping,delamination and other defects or damage during the cure process.These defects will seriously affect the quality of the composite material.On-line in-situ monitoring of cure process is an important means to control and improve the quality of composite.This paper focuses on the cure monitoring of liquid composite molding（LCM）,which is increasingly used for producing high quality and complex composite structural parts.Firstly,the cure process of LCM is briefly introduced,and several physical parameters needed to monitor are analyzed.Secondly,the progresses on several on-line monitoring techniques for cure process are reviewed,including optical fiber method,ultrasonic method,electrical method and thermal method.Finally,the development trends and challenges of the cure monitoring for LCM are discussed.