Abstract: The invention relates to a plasma source (1) for depositing a coating onto a substrate (9), which is connectable to a power source (P) and includes: an electrode (2); a magnetic assembly (4) located circumferentially relative to said electrode and including a set of magnets mutually connected by a magnetic bracket (46) including a first and second central magnet (43, 44) and at least one head magnet (45); and an electrically insulating enclosure (5) arranged such as to surround the electrode and the magnets.

Abstract: One subject of the invention is a process for manufacturing a metal strip having a metal coating for corrosion protection, comprising the steps consisting in: making the metal strip pass through a bath of molten metal, comprising 0.2 to 8% by weight of aluminum and magnesium in the following proportions: 0.1 to 8% by weight of magnesium for an aluminum content equal to or greater than 0.2% but less than 4% by weight or a content greater than 5% but less than or equal to 8% by weight of magnesium for an aluminum content equal to or greater than 4% but less than or equal to 8% by weight, and comprising up to 0.

Abstract: A method and a tool (10) for forming a seal in a lock chamber (3) of a sheet pile are proposed. The method comprises the steps of: introducing a seal forming tool (10) into the lock chamber (3); injecting a sealing material into a distribution chamber (50) of the tool (10) from where it axially fills longitudinally extending recesses (38?, 38?, 38??) in a seal-shaping module (12); and moving the tool (10) longitudinally through the lock chamber (3), whereby the sealing material is shaped by the seal-shaping module (12). The distribution chamber (50) is a closed chamber inside the tool (10) and spaced from the longitudinally extending recesses (38?, 38?, 38??); and the tool (10) comprises moreover at least two distribution channels (52?, 52?, 52??) connecting in parallel the distribution chamber (50) to the recesses (38?, 38?, 38??), the parallel distribution channels (52?, 52?, 52??) being fine-tuned for apportioning the flow of sealing material between the recesses (38?, 38?, 38??).

Abstract: A continuous casting process of a steel semi-product is provided. The process includes a step of casting using a hollow jet nozzle located between a tundish and a continuous casting mould. The nozzle includes, in its upper part, a dome for deflecting the liquid metal arriving at the inlet of the nozzle towards the internal wall of the nozzle, defining an internal volume with no liquid metal. A simultaneous step of injecting powder through a hole of the dome occurs. The powder has a particle size of 200 ?m or less. The dome includes a first device to inject the powder without any contact with the dome and a second device to avoid sticking or sintering of the powder onto the first device.

Abstract: Structural panel unit (10) comprising a first plate (11) and continuous web members (13, 14) extending along intersecting directions so as to support the plate (11), the web members (13, 14) being each slotted (141, 131) partway through at their intersections so that they fit into one another, the web members comprising first web members (13) and second web members (14), wherein the first web members (13) are so disposed as to have slots (131) open towards the first plate (11) in which slots (131) fit the second web members (14), wherein the first web members (13) are united to the first plate (11) thereby interlocking the second web members (14), and wherein the second web members (14) are linked to the first plate (11) by no other means than by interlocking with the first members (13).

Abstract: The present invention is directed at a method of production gain oriented Fe—Si steel sheet presenting an induction value at 800 A/m above 1.870 Tesla and a core power loss lower than 1.3 W/kg at a specific magnetic induction of 1.7 Tesla (T). The steel chemical composition comprises, in weight percentage: 2.8?Si?4, 0.20?Cu?0.6, 0.05?Mn?0.4, 0.001?Al?0.04, 0.025?C?0.05, 0.005?N?0.02, 0.005?Sn?0.03, S?0.015 and optionally Ti, Nb, V or B in a cumulated amount below 0.02, the following relationships being respected: Mn/Sn?40, 2.0?C/N?5.0, Al/N?1.20, and the balance being Fe and other inevitable impurities.

Abstract: A rolled steel sheet or blank is provided, the composition of which comprises the elements listed below in per cent by weight: C?0.1%; 0.5%?Mn?7%; 0.5%?Si?3.5%; 0.5%<Ti?2%; 2%<Ni?7%; Al?0.10%; Cr?2%; Cu?2%; Co?2%; Mo?2%; S?0.005%; P?0.03%; Nb?0.1%; V?0.1%; B<0.005%; N?0.008%, and the silicon and titanium contents are such that: Si + Ti ? 2.5 ? % , Ti Si ? 0.3 the remainder of the composition consisting of iron and unavoidable impurities resulting from processing. A method for the fabrication of a part for a land motor vehicle from the sheet or blank by hot stamping is also provided. The microstructure of the part consisting essentially of martensite and intermetallic precipitates of type Fe2TiSi with an area percentage between 1 and 5% intermetallic precipitates.

Abstract: Continuous casting equipment for a flow of liquid metal from a tundish into a mould is provided. The equipment includes a vertical duct disposed upstream of the mould with respect to the direction of travel of the liquid metal. The duct includes from upstream to downstream a refractory ring, a copper tube with an internal diameter D and a submerged entry nozzle. A dome is disposed inside the refractory ring and includes a sloped upper part, the upper part is defined so as to deflect the liquid metal coming from the tundish towards the inner walls of the vertical duct. The diameter D of the copper tube ranges between a minimum diameter equal to Q/3.75 and a maximum diameter equal to Q/1.25, where Q is the nominal liquid metal flow rate of the equipment and is between 200 and 800 kg/min and D is the diameter expressed in mm.

Abstract: An infrared reflector is provided. The infrared reflector includes a metallic substrate coated with a layer of zirconium and chromium nitride of general formula (ZrxCr1-x)1-yNy with x between 0.15 and 0.7 and y between 0.01 and 0.265. A method of manufacturing this infrared reflector is also provided.

Abstract: The present invention provides an aqueous treatment solution containing sulfate ions SO42? in a concentration greater than or equal to 0.01 mol/l, to treat sheet metal including a steel substrate coated on at least one face with a coating including at least zinc and magnesium to reduce blackening or tarnishing of the sheet metal during storage. The present invention also provides a sheet metal treated with a solution of this type.

Abstract: A process for recycling blast furnace gas is provided. At least one portion of the gases resulting from the blast furnace undergo a CO2 purification step to create a CO-rich gas which is reinjected at a first top injection point at a temperature between 700° C. and 1000° C. through a top injection line, and at a second bottom injection point at a temperature between 1000° C. and 1300° C. through a bottom injection line. The gases from the bottom and top injection lines are heated at a temperature between 1000° C. and 1300° C. A portion of the CO-rich gas exiting the purification step is directly introduced into the top injection line via a cold gas injection line to obtain a temperature between 700° C. and 1000° C. at the first top injection point. The gas that flows through the bottom and top injection points controlled upstream of the system of the heaters. A device is also provided.

Abstract: A method for rolling a Z-section sheet pile comprises rolling a curved preform of a web (16) in successive roll gaps defined by at least one roll pair comprising a grooved upper roll (26) and a grooved lower roll (28), wherein: a first corner (18) and an adjoining first part of the curved preform of the web (16) are formed in a first groove (42) of an upper roll (26); and a second corner (20) and an adjoining second part of the curved preform of the web (16) are formed in a first groove (46) of a lower roll (28). In the last roll gaps forming the curved preform of the web (16), the diameter of the lower roll (28) decreases in a discontinuous manner in the interval between the first groove (42) in the upper roll (26) and the first groove (46) in the lower roll (26), and the diameter of the upper roll (26) increases in this interval in a complementary manner.

Abstract: The invention relates principally to a welded steel part with a very high mechanical strength characteristics obtained by heating followed by hot forming, then cooling of at least one welded blank obtained by butt welding of at least one first and one second sheet consisting at least in part of a steel substrate and a pre-coating which is constituted by an intermetallic alloy layer in contact with the steel substrate, topped by a metal alloy layer of aluminum or aluminum-based alloy.

Abstract: A steel sheet is provided. The steel sheet includes a multilayer coating including at least one zinc-based layer being 0.1% to 20% magnesium by weight which is covered by a fine temporary protective layer of 5 to 100 nm. The fine temporary protective layer is composed of metal or metal oxide selected from the group consisting of aluminum, chromium, aluminum oxides AlOx, with x being strictly between 0.01 and 1.5 and chromium oxides CrOy, with y being strictly between 0.01 and 1.5. The at least one zinc-based layer is not alloyed with the temporary protective layer. Manufacturing methods for a sheet and part are also provided.

Abstract: A vehicle door assembly comprises an inner panel integrally formed by upper and lower horizontal beams interconnected by front and rear upright beams, and an outer panel bonded to the inner panel. The frame portion comprises opposite front and rear U-shaped side frame members non-detachably attached to each other by upper and lower intermediate frame members so as to form a continuous perimeter. The side frame members are made of a first steel material and the intermediate frame members made of a second steel material, which is different from the first steel material. A method for manufacturing the inner panel comprises the steps: providing U-shaped sheets of the first steel material, providing top and bottom sheets of the second steel material, non-detachably connecting the U-shaped sheets to the top and bottom sheets so as to form a blank, and stamping the blank into the frame portion.

Abstract: Presented are an insulation brick and the method of using an insulation brick to create a thermal lining. A set of corrugations are formed into a sidewall of the brick to increase the thermal insulation. A first end of the insulation brick has a convex portion while the second end of the insulation brick has a convex portion. This allows a first insulation brick to mate with another brick in an end to end configuration.

Abstract: A method for producing a metal ingot using a mold which includes a mold cavity defined by an ingot mold, a core and a bottom arranged inside a vacuum-cast enclosure including a portion for introducing molten metal at the upper portion thereof. A portion for receiving and distributing molten metal, which is suitable for receiving the molten steel introduced into the vacuum-cast enclosure and for redistributing the molten metal in the mold cavity, is arranged at the upper portion of the mold cavity. The molten metal is introduced into the enclosure to form a first jet of molten steel under a vacuum, to pour the molten metal over the portion and to form at least one second jet of molten steel under a vacuum, which originates with the portion and terminates in the mold cavity to fill the mold cavity with molten metal.

Abstract: The present invention provides a panel having a profile. The panel includes a first longitudinal edge including in succession a first longitudinal rib, a flange, and a second longitudinal rib. Each longitudinal rib includes an upper central part and two lateral wings. The panel also includes a central part and a second longitudinal edge including in succession a first lateral portion, a protruding part, and a second lateral portion. The lateral portions have a configuration permitting them to at least partially overlap the upper central parts of the first and second longitudinal ribs. The protruding part is capable of receiving a fastener. The present invention also provides an assembly of panels marginally overlapping, a roofing and a kit for fabrication of roofing.

Abstract: A method of making a hypereutectoid, head-hardened steel rail is provided that includes a step of head hardening a steel rail having a composition containing 0.86-1.00 wt % carbon, 0.40-0.75 wt % manganese, 0.40-1.00 wt % silicon, 0.05-0.15 wt % vanadium, 0.015-0.030 wt % titanium, and sufficient nitrogen to react with the titanium to form titanium nitride. Head hardening is conducted at a cooling rate that, if plotted on a graph with xy-coordinates with the x-axis representing cooling time in seconds, and the y-axis representing temperature in Celsius of the surface of the head of the steel rail, is maintained in a region between an upper cooling rate boundary plot defined by an upper line connecting xy-coordinates (0 s, 775° C.), (20 s, 670° C.), and (110 s, 550° C.) and a lower cooling rate boundary plot defined by a lower line connecting xy-coordinates (0 s, 750° C.), (20 s, 610° C.), and (110 s, 500° C.).

Abstract: Nickel-base radiant tube includes straight and curved elbow tube sections. The straight tube section has constant inner and outer radii. The elbow tube section has a constant inner radius and variable outer radius. The inner diameter of the elbow tube section is equal the inner radius of the straight tube section. Mating end portion of the elbow tube section has an outer radius equal to the outer radius of the straight tube section. Method for making the radiant tube comprises the steps of positioning a mating end portion of the straight tube section adjacent to and aligned with the mating end portion of the elbow tube section so that end faces of the straight and elbow tube sections face each other to define a circumferentially extending weld groove, and butt welding the mating end portions of the straight and elbow tube sections together at the weld groove.