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公开(公告)号：EP2964801A1
公开(公告)日：2016-01-13
申请号：EP14760015.9
申请日：2014-03-06
申请人： Bluescope Steel Limited , NIPPON STEEL & SUMIKINI COATED SHEET CORPORATION , NIPPON STEEL & SUMITOMO METAL CORPORATION
发明人： RENSHAW, Wayne Andrew , TU, Cat , WILLIAMS, Joe , HODGES, Jason , FUJII, Shiro , KONDO, Shuichi , SHIMODA, Nobuyuki , HIRASAWA, Takashi
摘要： A method of forming an Al-Zn-Si-Mg alloy coating on a steel strip includes dipping steel strip into a bath of molten Al-Zn-Si-Mg alloy and forming a coating of the alloy on exposed surfaces of the steel strip. The method also includes controlling conditions in the molten coating bath and downstream of the coating bath so that there is a uniform Al/Zn ratio across the surface of the coating formed on the steel strip. An Al-Zn-Mg-Si coated steel strip includes a uniform Al/Zn ratio on the surface or the outermost 1-2μm of the Al-Zn-Si-Mg alloy coating.
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公开(公告)号：EP4324955A2
公开(公告)日：2024-02-21
申请号：EP23205267.0
申请日：2014-03-06
发明人： RENSHAW, Wayne Andrew , TU, Cat , WILLIAMS, Joe , HODGES, Jason , FUJII, Shiro , KONDO, Shuichi , SHIMODA, Nobuyuki , HIRASAWA, Takashi
IPC分类号： C23C2/40
摘要： A method of forming an Al-Zn-Si-Mg alloy coating on a steel strip includes dipping steel strip into a bath of molten Al-Zn-Si-Mg alloy and forming a coating of the alloy on exposed surfaces of the steel strip. The method also includes controlling conditions in the molten coating bath and downstream of the coating bath so that there is a uniform Al/Zn ratio across the surface of the coating formed on the steel strip. An Al-Zn-Mg-Si coated steel strip includes a uniform Al/Zn ratio on the surface or the outermost 1-2µm of the Al-Zn-Si-Mg alloy coating.
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公开(公告)号：EP2238273B1
公开(公告)日：2020-08-12
申请号：EP09708502.1
申请日：2009-02-06
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公开(公告)号：EP2521801B1
公开(公告)日：2019-10-09
申请号：EP11731624.0
申请日：2011-01-06
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公开(公告)号：EP4324955A3
公开(公告)日：2024-06-12
申请号：EP23205267.0
申请日：2014-03-06
发明人： RENSHAW, Wayne Andrew , TU, Cat , WILLIAMS, Joe , HODGES, Jason , FUJII, Shiro , KONDO, Shuichi , SHIMODA, Nobuyuki , HIRASAWA, Takashi
CPC分类号： C23C2/06 , C23C2/12 , C23C2/26 , C23C2/40 , C22C18/04 , C22C21/10 , C23C2/0222 , C23C2/50 , C23C2/024 , C23C2/521
摘要： A method of forming an Al-Zn-Si-Mg alloy coating on a steel strip includes dipping steel strip into a bath of molten Al-Zn-Si-Mg alloy and forming a coating of the alloy on exposed surfaces of the steel strip. The method also includes controlling conditions in the molten coating bath and downstream of the coating bath so that there is a uniform Al/Zn ratio across the surface of the coating formed on the steel strip. An Al-Zn-Mg-Si coated steel strip includes a uniform Al/Zn ratio on the surface or the outermost 1-2µm of the Al-Zn-Si-Mg alloy coating.
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公开(公告)号：EP3778977A1
公开(公告)日：2021-02-17
申请号：EP20193955.0
申请日：2009-03-13
发明人： LIU, Qiyang , RENSHAW, Wayne , WILLIAMS, Joe
摘要： An Al-Zn-Si-Mg alloy coated strip that has Mg 2 Si particles in the coating microstructure is disclosed. The distribution of Mg 2 Si particles is such that a surface region of the coating has only a small proportion of Mg 2 Si particles or is at least substantially free of any Mg 2 Si particles.
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公开(公告)号：EP2250297A1
公开(公告)日：2010-11-17
申请号：EP09719076.3
申请日：2009-03-13
发明人： LIU, Qiyang , RENSHAW, Wayne , WILLIAMS, Joe
CPC分类号： C23C2/06 , C23C2/26 , C23C2/28 , Y10T428/12757 , Y10T428/12972 , Y10T428/12979
摘要： An Al—Zn—Si—Mg alloy coated strip that has Mg2Si particles in the coating microstructure is disclosed. The distribution of Mg2 Si particles is such that a surface region of the coating has only a small proportion of Mg2Si particles or is at least substantially free of any Mg2Si particles.
摘要翻译： 公开了在涂层微结构中具有Mg2Si颗粒的Al-Zn-Si-Mg合金涂层带材。 Mg2Si颗粒的分布使得涂层的表面区域仅具有小比例的Mg2Si颗粒或者至少基本不含任何Mg2Si颗粒。
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公开(公告)号：EP2238273A1
公开(公告)日：2010-10-13
申请号：EP09708502.1
申请日：2009-02-06
摘要： A coating of an Al—Zn—Si—Mg alloy on a steel strip that is applied by a hot dip process and is subsequently heat treated to improve the ductility of the coating.
摘要翻译： 在钢带上涂覆Al-Zn-Si-Mg合金，通过热浸工艺涂覆并随后进行热处理以改善涂层的延展性。
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公开(公告)号：EP3778978A1
公开(公告)日：2021-02-17
申请号：EP20199705.3
申请日：2009-03-13
发明人： LIU, Qiyang , RENSHAW, Wayne , WILLIAMS, Joe
摘要： An Al-Zn-Si-Mg alloy coated strip that has Mg 2 Si particles in the coating microstructure is disclosed. The distribution of Mg 2 Si particles is such that the surface of the coating has only a small proportion of Mg 2 Si particles or is at least substantially free of any Mg 2 Si particles.
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公开(公告)号：EP2406408A1
公开(公告)日：2012-01-18
申请号：EP10750246.0
申请日：2010-03-12
发明人： SMITH, Ross McDowall , LIU, Qiyang , SHEDDEN, Bryan Andrew , NEUFELD, Aaron Kiffer , WILLIAMS, Joe , NOLAN, David James , RENSHAW, Wayne
CPC分类号： C23C2/12 , C23C2/06 , C23C2/14 , Y10T428/12021 , Y10T428/12028
摘要： Red rust staining of Al / Zn coated steel strip in "acid rain" or "polluted" environments can be minimised by forming the coating as an Al-Zn-Si-Mg alloy coating with an OT : SDAS ratio greater than a value of 0.5:1, where OT is the overlay thickness on a surface of the strip and SDAS is the measure of the secondary dendrite arm spacing for the Al-rich alpha phase dendrites in the coating. Red rust staining in "acid rain" or "polluted" environments and corrosion at cut edges in marine environments can be minimised in Al-Zn-Si-Mg alloy coatings on steel strip by selection of the composition (principally Mg and Si) and solidification control (principally by cooling rate) and forming Mg
2 Si phase particles of a particular morphology in interdendritic channels.
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