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    • 5. 发明授权
    • Method for shaping structures comprised of aluminum alloys
    • 由铝合金构成结构的方法
    • US07217331B2
    • 2007-05-15
    • US10381476
    • 2001-08-25
    • Stephane JambuKnut JuhlBlanka Lenczowski
    • Stephane JambuKnut JuhlBlanka Lenczowski
    • B21B33/02
    • B21D26/021B21D22/02B21D26/053C22F1/04C22F1/047
    • A method is provided for forming complex structures from aluminum alloys, particularly from naturally hard AlMg alloys, naturally hard AlMgSc alloys and/or age-hardenable AlMgLi alloys. The method, in a simple manner by means of as few process steps as possible, forms complex structures from the alloys such that they almost assume their final shape without any significant spring-back. Simultaneously, the loss of material is to be kept as low as possible. This is achieved by means of the following steps: elastic forming of a component to be formed into a defined contour under the effect of external force; and heating-up of the elastically formed component to a temperature higher than the temperature required for a creep formation and relaxation of stresses of the alloy, so that the component is formed while retaining the contour.
    • 提供了一种从铝合金,特别是天然硬质AlMg合金,天然硬质AlMgSc合金和/或老化硬化AlMgLi合金形成复合结构的方法。 该方法通过尽可能少的工艺步骤以简单的方式从合金形成复杂的结构,使得它们几乎呈现其最终形状而没有任何明显的回弹。 同时,材料的损失要保持尽可能的低。 这是通过以下步骤实现的:在外力作用下成形为定义轮廓的部件的弹性成形; 并且将弹性形成的部件加热到高于蠕变形成所需的温度和合金的应力松弛的温度,从而在保持轮廓的同时形成部件。