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{/pboot:if} 《工程技术论坛》是一本关注工程技术最新研究进展的国际开源中文期刊，刊登的内容主要面向工程管理跟工程技术，反映国内外工程建设领域的高新技术应用模式和工程管理的新理论、新方法，服务于工程建设各阶段的管理工作，提升工程建设管理水平和从业人员素质。
期刊范围:建设经济与管理、城乡建设管理、项目管理、技术创新、施工技术、电力技术、工程技术、预算与造价，房地产经济与管理、建设工程研究施工组织与管理，工程项目招投标与合同管理，工程建设监理等。
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重庆交通大学航空学院，重庆，400074；
摘要：针对CFRP/铝合金混搭结构铆接中干涉配合及安装损伤问题，本文通过建立复合材料三维渐进损伤及内聚力界面的动态有限元模型，深入探究了工艺参数对干涉配合质量及损伤演化的影响机制。研究表明，铆接成型表现为填充、镦头及回弹的非线性动态过程 。相对干涉量随钉孔间隙增大而降低，其中0.05mm间隙下的平均干涉量为3.14%，最接近理论最优值，且相比0.02mm间隙，其纤维与基体损伤因子显著降低约23%，有效缓解了紧密配合带来的损伤。另一方面，增加铆钉外伸量无法改善孔底干涉不足的梯度分布，过大的外伸量反而诱发结构翘曲。最终可得，在本文研究范围内0.05mm 钉孔间隙配合与1.0d 铆钉外伸量为该混搭结构最优工艺参数。
关键词：CFRP/铝合金；铆接仿真；相对干涉量；渐进损伤；工艺参数
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