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    • 2. 发明授权
    • Method for determining shape changes of a workpiece
    • 确定工件形状变化的方法
    • US08215143B2
    • 2012-07-10
    • US13085659
    • 2011-04-13
    • Sascha SikoraKarl-Heinz MöllerThomas Struppek
    • Sascha SikoraKarl-Heinz MöllerThomas Struppek
    • B21C51/00
    • G01B11/16
    • The invention relates to a method for determining shape changes of a workpiece made of steel or a steel alloy due to forming, in which a varnish is applied to the workpiece, the workpiece is formed and then an optical shape change analysis is carried out by measuring the applied varnish. The object of providing a method for determining shape changes of a workpiece made of steel or a steel alloy, said method also being suitable for analyzing the shape change of a workpiece after hot forming, is solved according to the teaching of the present invention in that before the forming of the workpiece a varnish with an Al proportion of more than 30% by weight is applied to the workpiece, the workpiece is heated for forming to a hot forming temperature and the workpiece is cooled after or during the forming.
    • 本发明涉及一种用于确定由钢或钢合金制成的工件的形状变化的方法,该方法是通过在工件上施加清漆而形成工件,然后通过测量进行光学变形分析 应用清漆。 提供一种用于确定由钢或钢合金制成的工件的形状变化的方法的目的是,根据本发明的教导,解决了适用于分析热成型后的工件的形状变化的所述方法,因为 在成形工件之前,将Al比例大于30重量%的清漆施加到工件上,加工工件以形成热成型温度,并且在成形之后或成形期间冷却工件。
    • 6. 发明授权
    • Process for producing a component from a steel product provided with an Al-Si coating and intermediate product of such a process
    • 由具有Al-Si涂层的钢产品和这种方法的中间产品制备组分的方法
    • US08349098B2
    • 2013-01-08
    • US12865143
    • 2009-01-29
    • Friedhelm MachereyFranz-Josef LenzeMichael PetersManuela RuthenbergSascha Sikora
    • Friedhelm MachereyFranz-Josef LenzeMichael PetersManuela RuthenbergSascha Sikora
    • C21D8/02C23C2/12
    • C23C26/00Y10T428/12757
    • A process for producing a component from a steel product coated with a protective Al—Si coating, and an intermediate product that arises during the course of such a process and that can be used to produce components of the type concerned here. The steel product coated with the Al—Si coating, undergoes a first heating stage in which the temperature and the duration of the heat treatment are set such that the Al—Si coating is only partially pre-alloyed with Fe from the steel product. Then, the steel product, in a second heating stage, is heated to a heating temperature, above the Ac1 temperature, at which the steel product has an at least partially austenitic structure, wherein the temperature and the duration of the second heating stage are set such that the Al—Si coating is fully alloyed with Fe from the steel product. After the steel product is heated to the heating temperature, it is shaped to form the component and the component obtained is cooled in a controlled manner, in order to obtain a martensitic structure.
    • 由涂覆有保护性Al-Si涂层的钢制品中制备组分的方法,以及在这种方法的过程中产生并可用于生产这里所关注类型的组分的中间产物。 涂覆有Al-Si涂层的钢制品经历第一加热阶段,其中设定温度和热处理持续时间,使得Al-Si涂层仅部分地与钢产品中的Fe预合金化。 然后,将钢制品在第二加热阶段加热到高于Ac1温度的加热温度,在该温度下钢产品具有至少部分奥氏体结构,其中第二加热阶段的温度和持续时间被设定 使得Al-Si涂层与来自钢产品的Fe完全合金化。 将钢制品加热至加热温度后,将其成形为成分,将得到的成分以受控方式冷却,得到马氏体组织。