Arcelormittal

Usinor

Arcelormittal France

Arcelormittal Investigacion Y Desarrollo, S.l.

Arcelor France

Arcelormittal Investigacion Desarrollo Sl

Arcelormittal Investigacion Y Desarrollo

Eric Silberberg

Sergio Pace

Bruno Schmitz

Daniel Chaleix

Didier Marneffe

Xavier Vanden Eynde

Remy Bonnemann

Luc Vanhee

Eric Michel

Maxime Monnoyer

Lucie Gaouyat

Francois Reniers

Claudine Buess-Herman

Daniel Jacques

Benoit Deweer

Pierre Banaszak

Rémy Bonnemann

Dimitri Wilders

Christian Allely

Patrick Choquet

Thiago Rabelo Nunes Campos

Claudio De Felice

Luc VanHee

Isabelle Capitani

Negar Gilani

Bernard D'Hondt

Stéphane Coolen

Alain Daniel

Vincent LeClercq

Florin Daniel Duminica

Bernard D'hondt

Stephane Coolen

Vincent Leclercq

A method for the fabrication of a coated sheet is provided. The method includes the steps of providing a sheet in a deposition chamber, maintaining the deposition chamber at a pressure P, maintaining an ejection chamber that is located inside the deposition chamber at a pressure Pand coating the sheet with zinc with a sonic vapor jet. A ratio of the pressures Pto Pis between 2·10and 5.5·10.

Steel sheet provided with a zinc coating

A vacuum deposition facility for continuously depositing, on a running substrate, coatings formed from metal or metal alloy, and including:

Vacuum deposition facility and method for coating a substrate

A vacuum deposition facilityfor continuously depositing, on a running substrate S, coatings formed from metal or metal alloy, the facility including an evaporation cruciblesuited to supply metal or metal alloy vapor and including an evaporation pipe, a deposition chambersuited to have the substrate S run through along a given path P and a vapor jet coaterlinking the evaporation pipe to the deposition chamber, wherein the vapor jet coater further includes a repartition chamberincluding at least one reheaterpositioned within the repartition chamber and a vapor outlet orificeincluding a base opening linking the vapor outlet orifice to the repartition chamber, a top opening through which the vapor can exit in the deposition chamber and two sides converging toward each other in the direction of the top opening.

Vacuum deposition facility and method for coating a substrate with transverse repartition chamber

A method for continuously depositing, on a running substrate, coatings formed from at least one metal inside a Vacuum deposition facility including a vacuum chamber, a coated substrate coated with at least one metal on both sides of the substrate and a vacuum deposition facility.

A method for continuously depositing, on a running substrate, coatings formed from at least one metal inside a vacuum deposition facility including a vacuum chamber, a coated substrate coated with at least one metal and a vacuum deposition facility for the method for continuously depositing on a running substrate.

A vacuum deposition facility for continuously depositing, on a running substrate, coatings formed from metal or metal alloy, the facility including—a vacuum chamber and a device for running the substrate through the vacuum chamber along a given path, wherein the vacuum chamber further includes:

A vacuum deposition facility is provided for continuously depositing on a running substrate coatings formed from metal alloys including a main element and at least one additional element. The facility includes a vacuum deposition chamber and a substrate running through the chamber. The facility also includes a vapor jet coater, an evaporation crucible for feeding the vapor jet coater with a vapor having the main element and the at least one additional element, a recharging furnace for feeding the evaporation crucible with the main element in molten state and maintaining a constant level of liquid in the evaporation crucible, and a feeding unit being fed with the at least one additional element in solid state for feeding the evaporation crucible with the at least one additional element either in molten state, in solid state or partially in solid state. A process is also provided.

Apparatus and method for vacuum deposition

A coated metallic substrate including at least a first coating of aluminum, such first coating having a thickness below 5 &#x3bc;m and being directly topped by a second coating including from 0.5 to 5.9% by weight of magnesium, the balance being zinc.

Coated metallic substrate

A steel sheet is provided with a coating having at least one layer of zinc and a top layer of paint applied by cataphoresis. The zinc layer is deposited by a jet vapor deposition process in a deposition chamber maintained at a pressure between 6&#xb7;10mbar and 2&#xb7;10mbar. A fabrication method and an installation are also provided.

Painted steel sheet provided with a zinc coating

A Method for continuously depositing, on a running substrate, coatings formed from at least one metal inside a vacuum deposition facility including a vacuum chamber; a substrate coated with at least one metal on both sides of the substrate having an average thickness, wherein the coating is deposited homogenously such that the maximum thickness of the coating can exceed the average thickness of 15% maximum. A vacuum deposition facility also is provided.

A method for fabricating a substrate provided with a plurality of layers, includes: providing a steel substrate with an oxide layer including metal oxides on the steel substrate; providing a metal coating layer directly on the oxide layer, the metal coating layer including: at least 8% by weight nickel; at least 10% by weight chromium; and a remainder being iron and impurities from a fabrication process; and providing an anti-corrosion coating layer directly on the metal coating layer.

Fabrication method for a multi-layer substrate

The invention relates to a vapour generator for the deposition of a metal coating onto a substrate (), preferably a steel strip, that comprises a vacuum chamber () in the form of a housing including a vapour deposition head or ejector () in tight communication via a supply duct () with at least one crucible () containing the coating metal in a liquid form and located outside the vacuum chamber (), characterised in that the ejector () includes a longitudinal slot for the vapour outlet acting as a sonic throat and extending on the entire width of the substrate (), a filtration medium or a charge loss member (A) made of a sintered material being provided in the ejector immediately before said slot on the vapour path in order to equalise the flow speed of the vapour exiting the ejector () through the sonic throat.

Industrial vapour generator for the deposition of an alloy coating onto a metal strip

Equipment for manufacturing a metal strip coated by a process that includes vacuum-depositing a layer of an oxidizable metal or an oxidizable metal alloy on a metal strip precoated with zinc or with a zinc alloy, then coiling the coated metal strip, then oxidizing a surface of the metal strip coated with the oxidizable metal or oxidizable metal alloy and treating the oxidized wound coil with a static diffusion treatment to obtain a strip having a coating that includes, in an upper portion, a layer of an alloy formed by diffusion of the oxidizable metal or the oxidizable metal alloy in all or part of the zinc or zinc alloy layer. The equipment includes a device for galvanizing the metal strip, a vacuum deposition coating device, and a static heat treatment device operating in a controlled atmosphere.

Equipment for coating a metal strip

A method deposits a metal alloy coating on a substrate using a vacuum deposition facility. The facility is equipped with a vapour generator/mixer comprising a vacuum chamber enclosure provided with an inlet and an outlet for the substrate. The enclosure includes a vapour deposition head and an ejector is provided to create a jet of metal alloy vapour of sonic velocity towards the surface of the substrate and perpendicular thereto. The ejector is in sealed communication with a separate mixer device, which is itself connected upstream to at least two crucibles respectively, these containing different metals in liquid form, each crucible being connected to the mixer by its own pipe. The method uses a series of partitions to create alternating layers of metal vapours. The metal vapours enter the mixer inlet of the mixer at a velocity from 5 to 50 m/s to provide better homogeneity.

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Haltinne, Belgium

Eric Silberberg