预埋FBG传感器的CFRP螺旋桨成型工艺研究

复合材料科学与工程 ›› 2020, Vol. 0 ›› Issue (4): 84-89.

预埋FBG传感器的CFRP螺旋桨成型工艺研究

卢忠银, 丁国平^*, 张懿轩, 李文虎

武汉理工大学机电工程学院,先进材料制造装备与技术研究院,武汉430070

收稿日期:2019-08-29 出版日期:2020-04-28 发布日期:2020-04-28
通讯作者: 丁国平(1979-),女,博导,教授,主要从事碳纤维复合材料、光纤传感方面的研究,wutfbg@163.com。
作者简介:卢忠银(1993-),男,硕士,主要从事碳纤维复合材料、光纤传感方面的研究。本文作者还有严小雨。
基金资助:
国家自然科学基金(51775400)

RESEARCH ON CFRP PROPELLER FORMING PROCESS OF EMBEDDED FBG SENSOR

LU Zhong-yin, DING Guo-ping^*, ZHANG Yi-xuan, LI Wen-hu

School of Mechanical and Electrical Engineering, Wuhan University of Technology, Wuhan 430070, China

Received:2019-08-29 Online:2020-04-28 Published:2020-04-28

摘要/Abstract

摘要： 设计了一种预埋FBG传感器的分体式金属预埋件桨叶结构的CFRP螺旋桨,该结构桨叶为金属预埋件和碳纤维材料复合而成,相较于纯复合材料螺旋桨叶片,其根部强度更高,后续对该CFRP螺旋桨制作时容易铺放碳纤维预浸布。使用ANSYS ICEM软件和3D打印技术得到11个不同铺层厚度的桨叶三维实体模型,并由此得到不同碳纤维铺层的铺层模板,其形状尺寸与理论设计的更为接近。采用模压成型工艺完成预埋FBG传感器的制备,并对预埋的FBG传感器损坏的原因进行分析,可知使用模压成型工艺制备复合材料结构件,需要采用开槽方式对光纤进行引出、保护,同时对于光纤可能受弯或受较大剪切力的地方,增大其倒角或圆角,防止光纤损坏。

关键词: 分体式金属预埋件, 预埋FBG传感器, CFRP螺旋桨, 模压成型

Abstract: In this paper, a CFRP propeller with a split metal embedded blade structure embedded in an FBG sensor is designed. The structure is a composite of metal embedded parts and carbon fiber materials, compared with pure composite propeller blades and blades. The root strength is higher and the placement of the blade carbon fiber prepreg is facilitated during the forming process. Using ANSYS ICEM software and 3D printing technology, 11 different three-layer solid model of the blade thickness were obtained, and the paving template of different carbon fiber layers was obtained, and the shape and size were closer to the theoretical design. The preparation of the pre-embedded FBG sensor is completed by the molding process, and the cause of the damage of the pre-embedded FBG sensor is analyzed. It can be known that the composite structural member is prepared by the molding process, and the fiber is required to be taken out and protected by the slotting method. Where the fiber may be bent or subjected to large shear forces, increasing its chamfer or fillet would prevent fiber damage.

Key words: split metal embedded parts, pre-embedded FBG sensor, CFRP propeller, compression molding

中图分类号:

TB332

卢忠银, 丁国平, 张懿轩, 李文虎. 预埋FBG传感器的CFRP螺旋桨成型工艺研究[J]. 复合材料科学与工程, 2020, 0(4): 84-89.

LU Zhong-yin, DING Guo-ping, ZHANG Yi-xuan, LI Wen-hu. RESEARCH ON CFRP PROPELLER FORMING PROCESS OF EMBEDDED FBG SENSOR[J]. Composites Science and Engineering, 2020, 0(4): 84-89.

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