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首页> 外文会议>International Conference on Extrusion and Benchmark >High Strength Aluminium Alloys Extrusions - a Review of the Thermo- Mechanical-Process in High Performance Profile Manufacturing
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High Strength Aluminium Alloys Extrusions - a Review of the Thermo- Mechanical-Process in High Performance Profile Manufacturing

机译：高强度铝合金挤压 - 高性能型材制造中的热机械综述

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High strength aluminium alloys extrusions have successfully been applied for years in transportation industry. High strength alloys are normally understood to be alloys based on the Al-Mg-Zn system (7xxx) with addition of Cu in some cases and of course some micro structural controlling elements as Cr or Zr. The level of strength in the hardened condition (T6) is typical in the range from 320 to 500 MPa. The combination of strength and ductility of extrusions from the 7xxx series alloy gives several advantages in light weight construction and can contribute to lighter body and chassis in automotive. Significant improvements in extrusion speed are realized when the ratio Zn/Mg is increasing this means that alloys with high Zn and low Mg like 7108 and 7003 are favourable. Zr is the most promising element with respect to control the recrystallization phenomena. The fully understanding chemistry and the thermo-mechanical process route in profile based components manufacturing is concluded to be fundamental for high performance products.
机译：高强度铝合金挤出成功应用于运输工业多年。在某些情况下，高强度合金通常被理解为基于Al-Mg-Zn系统（7xxx）的合金，并且当然一些微结构控制元件作为Cr或Zr。硬化条件（T6）中的强度水平在320至500MPa的范围内。来自7XXX系列合金的挤出强度和延展性的组合在轻微的施工中提供了几个优点，并且可以为汽车的较轻的身体和底盘提供贡献。当比率Zn / mg增加时，实现挤出速度的显着改善，这意味着具有高Zn和低Mg的合金，如7108和7003是有利的。 Zr是对控制重结晶现象的最有前途的元素。完全了解基于型材的组件制造中的化学和热机械过程路线被判结束为高性能产品的基础。

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