搅拌摩擦焊收焊匙孔填补的研究
Study on Filling Keyhole During Friction Stir Welding
李宝华， 陈 莹， 唐众民， 鄢江武
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作者单位：（三江航天集团国营红阳机械厂，湖北 孝感 422100）
中文关键字：搅拌摩擦焊； 匙孔； 填补； 工艺方法
英文关键字： friction stir welding; keyhole; filling; process method
中文摘要：搅拌摩擦焊接虽是一种绿色的焊接技术且焊缝质量优良，但在收焊处存在搅拌针形状大小的匙孔，往往产品上的收焊匙孔需进行消除或填补。本文对搅拌摩擦摩擦焊匙孔的消除或填补的工艺方法进行了总结和探讨，对生产过程中搅拌摩擦焊匙孔的填补具有重要的参考价值。
英文摘要：Friction stir welding is a green welding technology and has good welding quality. However, there is a key hole which has similar morphology and size with the pin in the end of the weld, the keyhole needs to be eliminated or filled in the product. The methods for filling the keyhole were summarized and discussed, and it provides an important reference for filling the keyhole during production process.