复合绕包绝缘航空导线的烧结裂纹分析及工艺优化

    Sintering Cracks Analysis and Process Optimization for Aerospace Wire with Wrapped Insulation

      摘要
    • 摘要: 复合绕包绝缘航空导线是航空航天领域重要的动力传输元器件,烧结后绝缘容易出现裂纹,进而导致产品绝缘击穿报废。以导体为铝合金、内绝缘为聚酰亚胺/聚四氟乙烯复合薄膜、外绝缘为聚四氟乙烯生料带的95 mm2航空导线为研究对象,研究导线的绝缘绕包工艺和烧结工艺,分析绝缘产生裂纹的主要原因,并对其工艺进行改进。研究表明,合理选择绕包和烧结工艺参数,可以有效消除绝缘烧结裂纹的产生。

       

      Abstract: As electronic component in aircraft, aerospace wire with wrapped insulation is prone to cracks which could result in scrapping after sintering.Main reasons of sintering cracks in 95 mm2 wire with wrapped insulation were studied and the process of wrapping and sintering was improved.The results indicated that by selecting parameters reasonably, sintering cracks could be eliminated effectively.

       

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