用材料和几何修改连接铝板的铝实心自攻铆钉的设计

IF 3.8 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY
Felix Holleitner , Karina Nowak , Thomas Nehls , Normen Fuchs , Michael Reich , Knuth-Michael Henkel
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引用次数: 0

摘要

由于其优异的轻质性能,铝合金在整个移动行业中都得到了加工。用于连接由铝片金属制成的结构部件的合适且有效的工艺是固体自冲孔铆接(SSPR)。它消除了耗时的准备工作,如插入导孔,同时使连接过程高度自动化。由于工艺技术的原因,铆钉本身首先充当冲压工具,然后充当传递接头载荷的紧固件。这导致对铆钉在强度和延展性方面的高要求。在本文中,将提出一种新的铆钉设计,重点是调整铆钉的几何形状和材料,以在安装和操作阶段实现足够的功能。因此,使用铝基SSPR,可以在更广泛的应用中连接铝板金属。使用这种新开发的铝铆钉,可以连接在汽车行业广泛使用的铝合金EN AW-6111 PX,首次达到3.1毫米的总厚度。这一发展有助于铝基轻质结构,并确保良好的可回收性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Design of aluminium solid self-piercing rivets for joining aluminium sheets by material and geometric modification

Because of their excellent lightweight properties, aluminium alloys are processed in industries across the mobility sector. A suitable and efficient process for joining structural components made of aluminium sheet metal is solid self-piercing riveting (SSPR). It eliminates the need for time-consuming preparatory work, such as the insertion of pilot holes, while making the joining process highly automatable.

Due to the process technology, the rivet itself first acts as a punching tool and then as a fastener to transfer the load of the joint. This leads to high requirements for the rivet in terms of strength and ductility.

In this paper, a new rivet design will be presented that focuses on adjusting the rivet geometry, as well as the material, to enable sufficient functionality in the installation and operational phase. Consequently, aluminium sheet metal can be joined in a wider range of applications using aluminium-based SSPR. With this newly developed aluminium rivet, it is possible to join the aluminium alloy EN AW-6111 PX, which is widely used in the automotive industry, up to a total sheet thickness of 3.1 mm for the first time. This development contributes to aluminium-based lightweight structures and ensures a good recyclability.

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来源期刊
CiteScore
7.10
自引率
9.80%
发文量
58
审稿时长
44 days
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