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超高强度钢和A5052合金板的紧固结合工艺
Yohei Abe1, Yu Tatara1, Takahiro Hosokawa1
1Department of Mechanical Engineering, Toyohashi University of Technology, 1-1 Hibarigaoka, Tempaku, Toyohashi 441-8580, Japan.
Materials (Basel, Switzerland)
|August 14, 2025
概括
紧固结合超高强度钢和合金需要精确的控制. 一种新的粘合剂方法增强了摩擦力,使得这些不相似的材料能够成功连接在一起.
科学领域:
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
- 制造过程 制造过程 制造过程
背景情况:
- 结合不相似的材料,如钢和合金,会给制造业带来重大挑战.
- 紧固结合是一种可行的机械连接技术,但优化它用于高强度材料是复杂的.
- 了解材料组合和工艺参数的影响对于成功连接不同材料至关重要.
研究的目的:
- 调查板组合 (780 MPa 钢和 A5052 合金) 对紧固结合结果的影响.
- 分析模具形状,冲孔速度和板材保持力对连接980MPa超高强度钢和合金的影响.
- 开发一种改进的紧固结合方法,以成功连接这些特定的高强度不同材料.
主要方法:
- 在紧固件结合装置中对不同金属板组合进行比较分析.
- 参数研究涉及模具几何形状,冲击速度和紧固力在紧固结合过程中.
- 开发和应用一种经过修改的连接策略,使用含细颗粒的粘合剂来控制材料流动并增强板间摩擦.
主要成果:
- 板材组合显著影响了互锁和最小上层板材厚度,比粘合剂的存在更重要.
- 对于980MPa钢和合金的无缺陷连接条件,被发现对工艺参数非常敏感.
- 引入含有细颗粒的粘合剂成功改善了摩擦,并使目标材料能够无缺陷的紧固结合.
结论:
- 选择的板材组合是关键因素的紧结合性能.
- 优化工艺参数,如模具形状和冲孔速度,对于使用超高强度钢和合金实现可靠的连接至关重要.
- 使用增强摩擦粘合剂的新方法提供了一个有前途的解决方案,用于坚固地连接高强度钢不同材料对.
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