复合材料C 型梁回弹变形影响因素权重分析

doi:10.16080/j.issn1671-833x.2017.07.072

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摘要复合材料C 型梁制造回弹变形的主要影响因素有几何结构、铺层间剪切效应和模具作用等。在复材固化过
程中，这些因素共同作用，导致构件发生变形，对构件的几何精度产生不利影响。针对大飞机结构中常用的复合材料
C 型梁，通过理论分析、有限元计算和试验测量等方法，研究了上述因素对回弹变形的影响机理及其作用的权重，为
精确预测和控制C 型梁的回弹提供了依据。

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	杨青1
	2
	刘卫平1
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	余木火2
	晏冬秀1
	陈萍1
	贾丽杰1
	徐鹏1
	魏冉1

关键词 ：复合材料C 型梁, 固化, 回弹, 影响因素权重

Abstract：Affect factors of spring-back for C-shaped composite spars generally include geometry, shear effect between
plies, and mold, et al. The factors often bring to process-induced distortion in composite structures which would lead
to bad geometric accuracy. Through analyzing the factors by theory approach, the FE calculation and experiment method,
the spring-back values of C-shaped spars in structures of aircraft are calculated and the weight values of the factors are also
estimated, which could be used to provide some bases for distortion prediction and control for C-shaped composite spars.

Key words： C-shaped composite spar Curing process Spring-back Weight value of the factor

引用本文:

杨青1，2，刘卫平1，2，余木火2，晏冬秀1，陈萍1，贾丽杰1，徐鹏1，魏冉1. 复合材料C 型梁回弹变形影响因素权重分析[J]. 航空制造技术, 2017, 60(7): 72-77.
YANG Qing1,2, LIU Weiping1,2, YU Muhuo2, YAN Dongxiu1, CHEN Ping1, JIA Lijie1,XU Peng1，WEI Ran1. Weighting Analysis of Factors of Spring-Back for C-Shaped Composite Spars[J]. Aeronautical Manufacturing Technology, 2017, 60(7): 72-77.

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https://www.amte.net.cn/CN/10.16080/j.issn1671-833x.2017.07.072 或 https://www.amte.net.cn/CN/Y2017/V60/I7/72