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Research of Flash Forming During Inertia Friction Welding of FGH96 Alloy
Author(s): 
Pages: 17-21
Year: Issue:  1
Journal: Transactions of Beijing Institute of Technology

Keyword:  FGH96合金惯性摩擦焊飞边流动;
Abstract: 基于FGH96合金的材料本构模型以及摩擦因数随温度的变化关系,利用DEFORM软件建立了FGH96合金惯性摩擦焊的热力耦合分析模型,研究了焊接过程中飞边的形成与温度及材料流动之间的关系.结果表明,在摩擦焊初期,由于温度与材料流动速度较低,飞边不易形成;当焊接过程达到稳态后,随着摩擦界面及其附近区域材料向摩擦界面两边界流动速度的增加,飞边形成并逐渐增大;飞边的尺寸大小以及弯曲程度随初始转速以及轴向压力的增加而增大,基于飞边形貌确定了FGH96合金惯性摩擦较合理的焊接工艺参数.
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