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一步混合曲/扩散结合工艺和分析合金板的结合特征

Kang Hyun Kim^1,2, Hyeonil Park¹, Dong Jun Lee¹

¹Aerospace Materials Center, Korea Institute of Materials Science, 797 Changwon-daero, Changwon 51508, Republic of Korea.

Materials (Basel, Switzerland)

|July 14, 2023

概括

合金的新型混合曲/扩散粘合工艺通过提高购买飞行比率来提高飞机零件制造. 了解粘性可塑性对于确保结合式飞机部件的可靠性至关重要.

科学领域:

材料科学材料科学材料科学
机械工程机械工程
航空航天工程航空航天工程

背景情况:

飞机零件制造业经常面临材料浪费和成本效益方面的挑战.
像Ti-6Al-4V这样的合金在航空航天应用中非常重要,因为它们的强度与重量比.
提高买入飞行 (BTF) 比率是降低制造成本和环境影响的关键目标.

研究的目的:

为Ti-6Al-4V板材开发和分析一阶段混合曲/扩散粘合工艺 (HB/DBP).
研究HB/DBP的粘合特性,微观结构完整性和机械性能.
评估工艺参数 (压力,温度) 对粘合质量的影响,并确定故障机制.

主要方法:

一个连续的扩散粘合,然后是曲过程被整合到一步的HB/DBP中.
进行了微结构分析和机械切试验,以评估结合质量.
描述了依赖时间的粘性塑料材料特性,并进行了数值模拟来分析变形行为.

主要成果:

在Ti-6Al-4V板上成功应用了HB/DBP工艺,证明了提高BTF比率的潜力.
故障分析显示,在低 (<0.5MPa) 和高施加压力下存在不同的故障模式.
在曲区域周围的粘性塑性变形被确定为高压下键体疲软的原因.

结论:

开发的HB/DBP提供了一种可行的方法,用于生产具有增强BTF比率的飞机零件.
了解和考虑粘性塑料材料的行为对于确保使用这种工艺制造的组件的可靠性和结构完整性至关重要.
该研究强调了在HB/DBP中优化压力和温度的重要性,以防止过早的关节衰竭.

关键词:

飞机零件飞机零件飞机零件数字模拟的数字模拟.一步式混合曲/扩散结合工艺.合金板是使用合金板的.粘性可塑性粘性可塑性

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