Introduction of Composite Hot Extrusion with Tubular Reinforcements for Subsequent Cold Forging

Introduction of Composite Hot Extrusion with Tubular Reinforcements for Subsequent Cold Forging
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引入带管状增强材料的复合材料热挤压,用于后续冷锻

DOI:
10.1007/978-3-662-62138-7_20
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发表时间:
2020
期刊:
影响因子:
--
通讯作者:
Tekkaya
Tekkaya
中科院分区:
--
文献类型:
--
作者:
Kotzyba;Grötzinger;Hering;Liewald;Tekkaya

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介绍了一种采用复合热挤压工艺生产具有较高强度的管状内增强体(AA7075)的半成品(AA6060)的新工艺。法兰形零件由挤出物通过随后的侧向挤压和镦粗制造。其目的是通过复合热挤压和随后的冷锻为法兰形部件开发一种稳健的工艺路线。为此,进行了数值研究。如果观察到某些极限,则可以无误差地进行该过程,这些极限可以用数字表示。通过选择适当的管几何形状可以增加固态结合的可能性,使得可以进行随后的侧向挤压。所产生的知识将用于扩大未来的组件范围,以包括更高强度的管状增强件。
A new process is presented in which semi-finished products (AA6060) with tubular internal reinforcements of higher strength (AA7075) are produced by composite hot extrusion. Flange-shaped parts are manufactured from the extrudate by subsequent lateral extrusion and upsetting. The aim is to develop a robust process route for flange-shaped components by composite hot extrusion and subsequent cold forging. For this purpose, numerical investigations were carried out. The process can be conducted without errors if certain limits are observed, which can be shown numerically. The probability of solid state bonding can be increased by choosing the proper tube geometry, so that subsequent lateral extrusion can be carried out. The knowledge generated is to be used to expand the spectrum of components in the future to include higher strength tubular reinforcements.
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