根据给定的外形设计了四种不同结构形式的复合材料模型机翼,通过对所采用树脂基体的化学流变特性的研究,确定其最佳固化工艺条件.采用整体成型技术制备了四种全复合材料模型机翼,并进行了三点弯曲试验.结果表明,工字梁结构形式的模型机翼具有最高的载荷重量比,其次为C型梁机翼,而蒙皮-夹芯机翼的载荷重量比最小.其中,蒙皮-夹芯模型机翼在测试中表现为加载点上蒙皮压缩破坏；蒙皮-加筋机翼则表现为支点处的剪切破坏；梁式结构机翼均表现为支点与加载点中间的前缘剪切破坏.采用有限元分析模型机翼的强度与破坏过程,其结果与试验结果吻合良好.
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