摘要：复合材料中热积累和传导是钻削过程中一个非常典型和关键的问题。本文采用有限差分法,基于材料热物参数均匀化假设,建立了单向碳纤维/环氧树脂(C/E)复合材料钻孔温度场的三维预测模型,并将钻削过程分为四个阶段来研究温度分布特征。结果表明,数值仿真的温度分布结果与实验结果吻合程度较高。温度随着钻孔深度的增加而逐渐升高,并且由于热量的积累,在钻削出口处观察到热损伤现象。由于纤维单向排布,C/E复合材料钻削过程温度场分布的数值和实验结果均呈现椭圆形。
单位：
Engineering; Training; Center; Dalian; University; of; Technology; Dalian; 116024; China; Key; Laboratory; of; Ministry; of; Education; for; Precision; and; Non-Traditional; Machining; Technology; School; of; Mechanical; Engineering; Dalian; University; of; Technology; Dalian; 116024; China; School; of; Automotive; Engineering; Dalian; University; of; Technology; Dalian; 116024; China; Shenyang; Liming; Aero-Engine; Group; Corporation; Ltd.; Shenyang; 110043; China
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