Abstract: A method is for producing a high strength coated steel sheet having a yield stress YS>550 MPa, a tensile strength TS>980 MPa, and improved formability and ductility. The steel contains: 0.15%?C?0.25%, 1.2%?Si?1.8%, 2%?Mn?2.4%, 0.1%?Cr?0.25%, Al?0.5%, the balance being Fe and unavoidable impurities. The sheet is annealed at a temperature between TA1=Ac3?0.45*(Ms?QT) and TA2=830° C. for at least 30 s then quenched by cooling it to a quenching temperature QT between 180° C. and 300° C., then heated to a partitioning temperature PT between 380° C. and 480° C. and maintained at this temperature for a partitioning time Pt between 10 s and 300 s, then either hot dip coated and cooled to the room temperature with a cooling rate of at least 25° C./s below 300° C., or directly cooled to the room temperature with a cooling rate of at least 25° C./s and further electro-galvanized, or cooled to the room temperature with a cooling rate of at least 25° C./s without coating.

Abstract: The invention relates to the process for manufacturing a rolled product based on an aluminum alloy, in particular for the automotive industry wherein, successively, a bath of liquid metal made from an aluminum-based alloy. The invention also relates to the products obtained by this process and the use thereof for the manufacture of a motor vehicle.

Abstract: The invention relates to a monolithic aluminium sheet made of a 5xxx series aluminium sheet comprising in wt. % Mg:1.7-2.1, Mn:0.1-0.5, Fe:0.10 to 0.22, Si:0.05-0.25, Cu 0.01-0.20, Cr up to 0.1, Zn up to 0.15, Zr up to 0.1, Ti up to 0.05 wt %, rest aluminium and unavoidable impurities up to 0.05 each and 0.15 total. A method for producing the monolithic 5xxx series aluminium sheet according to the invention comprises the steps of casting, pre-heating, rough hot rolling on a reversible mill with a rough hot rolling entry temperature of more than 440° C., finish hot rolling the ingot with a hot rolling exit temperature of at least 280° C., cold rolling. The invention is useful for automobile manufacturing.

Abstract: The invention relates to battery trays for electric or hybrid vehicles. The bottoms of the battery trays are made of a thin sheet of steel whose modulus of elasticity is higher than 220 GPa in order to optimize the thickness while ensuring resistance to intrusion.

Abstract: The invention relates to battery trays for electric or hybrid vehicles. The bottoms of the battery trays are made of a thin sheet of aluminum alloy having a modulus of elasticity higher than 77 GPa in order to optimize thickness thereof while ensuring resistance to intrusion. The invention also relates to a thin sheet of 4xxx series aluminum alloy whose modulus is higher than 77 GPa and whose yield strength Rp 0.2 is higher than 295 MPa.

Abstract: The invention relates to a process for laser welding monolithic semi-finished products made of aluminium alloy without filler wire, known to a person skilled in the art under the name “Remote Laser Welding” comprising the following steps:—supplying at least two semi-finished products made of aluminium alloy, at least one of which is a laminated plate with the composition (% by weight): Si: 2.5-14; Fe: 0.05-0.8; Cu: 0.25-1.0; Mg: 0.05-0.8; Mn: ?0.70; Cr: ?0.35; Ti: 0.02-0.30; Sr up to 500 ppm; Na up to 200 ppm; Sb up to 0.15%, unavoidable impurities <0.05 each and <0.15 in total, remainder aluminium,—laser welding the semi-finished products made of aluminium alloy without filler wire, which process is known to a person skilled in the art under the name “Remote Laser Welding”. The invention also includes a structural, body-in-white, skin or opening component of a motor vehicle obtained by a process according to the invention.

Abstract: The invention relates to a thin sheet metal for a reinforcing or structural part of a car body, consisting of an aluminum alloy. The invention also relates to the method for producing such a sheet metal and to the use of such a sheet metal for producing a reinforcing or structural part for a car body. The sheet metals according to the invention advantageously have a modulus of elasticity of at least 77 GPa.

Abstract: The invention relates to the process for manufacturing a rolled product based on an aluminum alloy, in particular for the automotive industry wherein, successively, a bath of liquid metal made from an aluminum-based alloy. The invention also relates to the products obtained by this process and the use thereof for the manufacture of a motor vehicle.

Abstract: The invention concerns a method for producing a 6xxx series aluminium sheet comprising the steps of homogenizing an ingot made from a 6XXX series aluminium alloy; cooling the homogenized ingot with a cooling rate in a range of from 150 ° C./h to 2000 ° C./h directly to the hot rolling starting temperature; hot rolling the ingot to a hot rolling final thickness and coiling at the hot rolling final thickness with such conditions that at least 90% recrystallization is obtained while controlling the temperatures of hot rolling, in particular the relationship between the hot rolling starting temperature and the hot rolling exit temperature and/or controlling the grain size after coiling,; cold rolling to obtain a cold rolled sheet. The method of the invention is particularly helpful to make sheets for the automotive industry which combine high tensile yield strength and good formability properties suitable for cold stamping operations, as well as high surface quality.

Abstract: The invention relates to a method for the laser welding of monolithic semi-finished products made from aluminium alloy, without filler wire, known to the person skilled in the art as “remote laser welding”, comprising the following steps: supplying at least two aluminium alloy semi-finished products, of which at least one is a rolled sheet of composition (wt.-%): Si: 2.5-14, preferably 2.7-5.0; Fe: 0.05-0.80, preferably 0.15-0.60; Cu: ?0.20, preferably ?0.10, also <0.05, and even <200, also 100 ppm; Mg: 0.05-0.80, preferably 0.20-0.40; Mn: ?0.70, preferably ?0.30; Cr: <0.35; Ti: 0.02-0.30; Sr up to 500 ppm; Na up to 200 ppm; Sb up to 0.15%, other elements <0.05 each and <0.15 total, remainder aluminium, on the condition that A: 5.2 Fe+1.95 Si?0.5 Cu?Mg?7.0; and welding semi-finished products made from aluminium alloy, without filler wire, a method known the person skilled in the art as “remote laser welding”.

Abstract: The invention relates to a process for laser welding monolithic semi-finished products made of aluminium alloy without filler wire, known to a person skilled in the art under the name “Remote Laser Welding” comprising the following steps:—supplying at least two semi-finished products made of aluminium alloy, at least one of which is a laminated plate with the composition (% by weight): Si: 2.5-14; Fe: 0.05-0.8; Cu: 0.25-1.0; Mg: 0.05-0.8; Mn: ?0.70; Cr: ?0.35; Ti: 0.02-0.30; Sr up to 500 ppm; Na up to 200 ppm; Sb up to 0.15%, unavoidable impurities <0.05 each and <0.15 in total, remainder aluminium,—laser welding the semi-finished products made of aluminium alloy without filler wire, which process is known to a person skilled in the art under the name “Remote Laser Welding”. The invention also includes a structural, body-in-white, skin or opening component of a motor vehicle obtained by a process according to the invention.

Abstract: A multipurpose continuous processing line able for heat treating and hot dip coating a steel strip containing: an annealing section (1) for heating the steel strip to a predetermined annealing temperature and for maintaining the steel strip at said annealing temperature, a first transfer section (2), an overaging section (3) able to maintain the temperature of the steel strip between 300° C. and 700° C., a second transfer section (4) able to adjust the temperature of the steel strip to allow the hot dip coating of the strip and, a hot dip coating section (5), wherein the first transfer section (2) includes, in sequence, a cooling section (21) and a heating section (22).

Abstract: The invention relates to a thin sheet metal for a reinforcing or structural part of a car body, consisting of an aluminium alloy of the following composition, in weight per cent: Si: 10-14; Mg: 0.05-0.8; Cu: 0-0.2; Fe: 0-0.5; Mn: 0-0.5; optionally at least one element selected from Na, Ca, Sr, Ba, Yt and Li, the quantity of said element if selected being between 0.01 and 0.05 for Na, Ca, Sr, Ba and Yt and between 0.1 and 0.3 for Li; Sb: 0-0.05; Cr: 0-0.1; Ti: 0-0.2; other elements amounting to <0.05 each and a total of <0.15; and the remainder being aluminium. The invention also relates to the method for producing such a sheet metal and to the use of such a sheet metal for producing a reinforcing or strucural part for a car body. The sheet metals according to the invention advantageously have a modulus of elasticity of at least 77 GPa.

Abstract: The invention relates to a method for the laser welding of monolithic semi-finished products made from aluminium alloy, without filler wire, known to the person skilled in the art as “remote laser welding”, comprising the following steps: supplying at least two aluminium alloy semi-finished products, of which at least one is a rolled sheet of composition (wt.-%): Si: 2.5-14, preferably 2.7-5.0; Fe: 0.05-0.80, preferably 0.15-0.60; Cu: ?0.20, preferably ?0.10, also <0.05, and even <200, also 100 ppm; Mg: 0.05-0.80, preferably 0.20-0.40; Mn: ?0.70, preferably ?0.30; Cr: <0.35; Ti: 0.02-0.30; Sr up to 500 ppm; Na up to 200 ppm; Sb up to 0.15%, other elements <0.05 each and <0.15 total, remainder aluminium, on the condition that A: 5.2 Fe+1.95 Si?0.5 Cu?Mg?7.0; and welding semi-finished products made from aluminium alloy, without filler wire, a method known the person skilled in the art as “remote laser welding”.

Abstract: The invention relates to a method for producing a high strength coated steel sheet having a yield stress YS>550 MPa, a tensile strength TS>980 MPa, and improved formability and ductility. The steel contains: 0.15%?C?0.25%, 1.2%?Si?1.8%, 2%?Mn?2.4%, 0.1%?Cr?0.25%, Al?0.5%, the balance being Fe and unavoidable impurities. The sheet is annealed at a temperature between TA1=Ac3?0.45*(Ms?QT) and TA2=830° C. for at least 30s then quenched by cooling it to a quenching temperature QT between 180° C. and 300° C., then heated to a partitioning temperature PT between 380° C. and 480° C. and maintained at this temperature for a partitioning time Pt between 0 sec and 300 sec, then either hot dip coated and cooled to the room temperature with a cooling rate of at least 25° C./s below 300° C., or directly cooled to the room temperature with a cooling rate of at least 25° C./s and further electro-galvanized, or cooled to the room temperature with a cooling rate of at least 25° C./s without coating.

Abstract: A multipurpose continuous processing line able for heat treating and hot dip coating a steel strip comprising: —an annealing section (1) for heating the steel strip to a predetermined annealing temperature and for maintaining the steel strip at said annealing temperature, —a first transfer section (2), —an overaging section (3) able to maintain the temperature of the steel strip between 300° C. and 700° C., —a second transfer section (4) able to adjust the temperature of the steel strip to allow the hot dip coating of the strip and, —a hot dip coating section (5), wherein the first transfer section (2) comprises, in sequence, cooling means (21) and heating means (22).

Abstract: A handheld electronic magnifier for providing a magnified representation of an object is provided. The magnifier includes a casing having a camera face and an opposed display face, a camera inside the casing for acquiring an image of the object, and a display extending along the display face for displaying the magnified representation of the object based on the image acquired by the camera. The handheld electronic magnifier also includes a handle and a two-axis hinge assembly rotatably connecting the casing and the handle about orthogonal first and second hinge axes extending respectively along a length of the casing and a width of the handle. The two-axis hinge assembly includes a longitudinal and a transverse hinge member rigidly fixed to each other and extending along the first and second hinge axes, respectively. The longitudinal and transverse hinge members are rotatably connected to the casing and the handle, respectively.

Abstract: The disclosure concerns X-ray tubes. To obtain greater temperature stability of an X-ray tube, a substance is placed in the circulation space of the cooling fluid of the tube. The latent heat of fusion of this substance is used so that it melts during the examination stage in absorbing heat, and gets solidified during the resting stage. The disclosure is applicable to X-ray tubes.