热膨胀系数直接影响复合材料身管射击时热应力的大小。由于混杂复合材料组分多、结构复杂,因此预测其热膨胀系数难度较大。为预测某轻量化武器身管径向热膨胀系数,采用间接法,分别基于特征体单元模型和微观力学模型进行了计算,并将计算结果和实测值进行了对比研究,提出了一种预测混杂复合材料热膨胀系数的有效方法。
关键词
复合材料;热膨胀系数;间接法;预测模型
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脚注
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