公开(公告)号：US20120085466A1

公开(公告)日：2012-04-12

申请号：US13147006

申请日：2010-02-01

申请人： Barbara Lupp ,  Ansgar Albers ,  Sabine Hasenfuß ,  Matthias Kimpel ,  Manfred Meurer ,  Wilhelm Warnecke ,  Michael Steinhorst

发明人： Barbara Lupp ,  Ansgar Albers ,  Sabine Hasenfuß ,  Matthias Kimpel ,  Manfred Meurer ,  Wilhelm Warnecke ,  Michael Steinhorst

IPC分类号： C21D8/02 ,  B32B15/04 ,  C21D6/00 ,  C23C8/00 ,  B32B15/01

CPC分类号： C23C2/06 ,  C23C2/12 ,  C23C2/26 ,  C23C2/28 ,  C23C14/16 ,  C23C14/5806 ,  C23C14/584 ,  C25D5/10 ,  C25D5/48 ,  C25D5/50 ,  C25D11/36

摘要： A method for producing a steel component provided with a metallic coating which protects against corrosion, in which a steel flat product, produced from an alloyed heat-treated steel, is coated with an Al coating which contains ≧85% wt. Al and optionally ≦15% wt. Si, a Zn coating with ≧90% wt. Zn, and a top layer, the main constituent of which is at least one metal salt of phosphoric acid or diphosphoric acid and which additionally can contain contents of up to 45% of an Al:Zn ratio as well as optionally metal oxides, metal hydroxides and/or sulphur compounds, the steel flat product is heat treated at ≧750° C., and the steel component is hot-formed from the heated steel flat product. The hot-formed steel component is cooled at a cooling rate sufficient to form a tempered or martensitic structure.

摘要翻译： 一种具有金属涂层的钢构件的制造方法，所述钢构件具有防腐蚀性，其中由合金化的热处理钢制成的钢平面制品涂覆有含有≥85重量％的Al涂层。 Al和任选的nlE; 15重量％ Si，≥90％wt的Zn涂层。 Zn和顶层，其主要成分是磷酸或二磷酸的至少一种金属盐，并且另外可以含有高达45％的Al：Zn比例的含量以及任选的金属氧化物，金属氢氧化物 和/或硫化合物，钢扁平产品在≥750℃下进行热处理，钢部件由加热钢扁平产品热成型。 热成型钢部件以足以形成回火或马氏体结构的冷却速度被冷却。