热塑性复合材料由于其良好的可焊接性、可循环利用性、抗化学腐蚀性,特别是短时间内就可加工成型等特点,在未来航空航天构件制造领域有着广阔的应用前景.纤维铺放过程中涉及一系列的物理现象,涵盖传热学、热力学、结晶动力学,牛顿流体力学等学科及这些学科的交叉领域.本文以上述学科的相关知识为理论依据,对纤维铺放工艺中的加热工艺,冷却工艺,铺层间强度,纤维铺放压力和残余热应力五方面内容,通过分析其理论模型的建立和求解方法,介绍和讨论了纤维铺放过程中与最终产品质量相关的基体材料结晶度、铺层间紧密接触程度、铺层间熔合度等关键问题及其中涉及的铺放温度、铺放速率、铺放压力等主要工艺参数.同时,本文还总结了国外的研究成果和研究进展,指出其中存在的一些问题,并对今后纤维铺放工艺的研究方向进行了展望.
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