Patents Assigned to APERAM
-
Patent number: 10189120Abstract: The invention concerns a welding wire intended for use in welding together parts of parts consisting of F3-36Ni alloy. The welding wire consists of an alloy comprising, in wt. %: 38.6%?Ni+Co?45.0% trace?Co?0.50% 2.25%?Ti+Nb?0.8667×(Ni+Co)?31.20% if 38.6%?Ni+Co?40.33% 2.25%?Ti+Nb?3.75% if 40.33%?Ni+Co?41.4% 0.4167×(Ni+Co)?15.0%?Ti+Nb?3.75% if 41.4%?Ni+Co?45.0% trace?Nb?0.50% 0.01%?Mn?0.30% 0.01%?Si?0.25% trace?C?0.05% trace?Cr?0.50% the rest consisting of iron and inevitable impurities resulting from production.Type: GrantFiled: February 1, 2013Date of Patent: January 29, 2019Assignee: APERAMInventors: Pierre-Louis Reydet, Jean-Louis Roy, Roland André Panier
-
Publication number: 20180169739Abstract: A rolled stainless steel object has surface with a raised and indented pattern including a random juxtaposition of at least two types of polygons. Each of the polygons has at least three sides, and is made up of substantially parallel rectilinear scratches, having a depth of from 5 to 30 ?m separated by ridge lines, the axes of which are from 0.1 to 0.3 mm from each other, and a Fourier transform spectral analysis of which, carried out on a square of at least 100 mm2, shows that they have an isotropy of at least 40% between the rolling direction and the sideways direction, and two adjacent preferred angular orientations of which scratches, from among the three main preferred angular orientations thereof, are spaced apart by a minimum of 20° and a maximum of 60°.Type: ApplicationFiled: June 10, 2015Publication date: June 21, 2018Applicant: APERAMInventors: Didier Vil, Jean Michel Damasse, Françoise Haegeli
-
Publication number: 20180119287Abstract: A process for surface treatment of metal substrates, including the steps of: providing a metal substrate including hydroxyl groups at its surface; bringing the metal substrate into contact with a solution of at least one organophosphorus compound to enable the reaction of the hydroxyl groups at the surface of the metal substrate with the organophosphorus compound to form a monomolecular layer over the surface and a second layer of physisorbed organophosphorus molecules at least preponderantly crystallized, the obtained treated substrate being coated with the organophosphorus compound in the form of a first monomolecular layer coating at least 15% of the surface of the substrate and in the form of a physisorbed second layer at least preponderantly crystallized. A treated metal substrate which may be obtained by the process thereof, corresponding solution and its use for treating metallic substrates to improve their tribological properties during their shaping, in particular their stamping.Type: ApplicationFiled: September 25, 2015Publication date: May 3, 2018Applicants: APERAM, UNIVERSITE DE FRANCHE-COMTEInventors: Fabrice LALLEMAND, Xavier ROIZARD, Jean-Marie MELOT, Aurélien BUTERI, Mélanie BORGEOT, Romain EVRARD
-
Publication number: 20180112304Abstract: The present invention relates to a method for manufacturing a metal strip or sheet, including the steps of providing a substrate made from stainless steel; and depositing a chromium-nitride layer on the substrate by physical vapor deposition (PVD) in a deposition installation comprising a deposition chamber and a chromium target arranged in the deposition chamber. The deposition chamber has a deposition area with a length strictly smaller than the length of the deposition chamber and at least a first prohibited area. During the deposition, the chromium nitride is deposited on the substrate only in the deposition area and no chromium nitride is deposited on the substrate in the prohibited area.Type: ApplicationFiled: March 20, 2015Publication date: April 26, 2018Applicant: APERAMInventors: Pauline GIRARDON, Sébastien TAHON, Jean-Michel DAMASSE, Marie-Hélène BERGER, Hughes CORNIL, Olivier HENROTTE, Alain PIMARD
-
Publication number: 20180047998Abstract: The present invention relates to a metal strip or sheet comprising a substrate made from stainless steel covered with at least one layer of a chromium-nitride coating. The chromium-nitride coating layer is textured.Type: ApplicationFiled: March 20, 2015Publication date: February 15, 2018Applicant: APERAMInventors: Pauline GIRARDON, Sébastien TAHON, Jean-Michel DAMASSE, Marie-Hélène BERGER, Hughes CORNIL, Olivier HENROTTE, Alain PIMARD
-
Patent number: 9873924Abstract: A ferritic stainless steel sheet of a composition, expressed in weight percentages: trace amounts?C?0.03%; 0.2%?Mn?1%; 0.2%?Si?1%; trace amounts?S?0.01%; trace amounts?P?0.04%; 15%?Cr?22%; trace amounts?Ni?0.5%; trace amounts?Mo?2%; trace amounts?Cu?0.5%; 0.160%?Ti?1%; 0.02%?Al?1%; 0.2%?Nb?1%; trace amounts?V?0.2%; 0.009%?N?0.03%; trace amounts?Co?0.2%; trace amounts?Sn?0.05%; rare earths (REE)?0.1%; trace amounts?Zr?0.01%; the remainder of the composition consisting of iron and of inevitable impurities resulting from the elaboration; the Al and rare earth (REE) contents satisfying the relationship: Al+30×REE?0.15%; the Nb, C, N and Ti contents in % satisfy the relationship: 1/[Nb+(7/4)×Ti?7×(C+N)]?3; said metal sheet having an entirely recrystallized structure and an average ferritic grain size comprised between 25 and 65 ?m.Type: GrantFiled: September 3, 2012Date of Patent: January 23, 2018Assignee: APERAM STAINLESS FRANCEInventors: Pierre-Olivier Santacreu, Claudine Miraval, Saghi Saedlou
-
Publication number: 20170345554Abstract: Disclosed is a basic module of a magnetic core of a wound electrical transformer. The basic module includes first and second windings placed atop one another and made of first and second materials, respectively. The first material is a crystal having a saturation magnetization ?1.5 T and magnetic losses less than 20 W/kg in sine waves having a frequency of 400 Hz, for maximum induction of 1 T, and the second material is a material having an apparent saturation magnetostriction less than or equal to 5 ppm and magnetic losses less than 20 W/kg in sine waves having a frequency of 400 Hz, for maximum induction of 1 T. The cross-sections of the first winding and cross-sections of the second winding satisfy (S1/(S1+S3); S2/(S2+S4)) of the first material, having a high saturation magnetization, compared to the cross-section of both materials together, is 2%-50%.Type: ApplicationFiled: November 25, 2014Publication date: November 30, 2017Applicant: APERAMInventors: Thierry WAECKERLE, Alain DEMIER
-
Patent number: 9566721Abstract: An induction-heated mold, including at least one lower portion and one upper portion defining a cavity inside of which a molding material is to be brought to a temperature Ttr greater than 20° C., which is introduced and then shaped, at least one of the mold portions having an area for transferring heat with the molding material, the heat transfer area including at least one sub-area consisting of at least one ferromagnetic material the Curie point Tc of which is between 20 and 800° C. and which is in contact with the molding material and/or with a non-ferromagnetic coating having a thermal conductivity greater than 30 W.m?1.K?1. A method for manufacturing a plastic or composite material product via of the molds according to the invention.Type: GrantFiled: February 23, 2011Date of Patent: February 14, 2017Assignee: APERAMInventor: Thierry Waeckerle
-
Publication number: 20170029918Abstract: A method for manufacturing a strip having a variable thickness along its length, comprising the steps: an initial strip of constant thickness is provided; homogeneous cold rolling of the initial strip along its length in order to obtain an intermediate strip of constant thickness along the rolling direction; flexible cold rolling of the intermediate strip along its length in order to obtain a variable thickness strip, having, along its length, first areas with a first thickness (e+s) and second areas with a second thickness (e), less than the first thickness (e+s), continuous annealing of the strip. The plastic deformation ratio generated, after an optional intermediate recrystallization annealing, by the homogeneous cold rolling and the flexible cold rolling steps in the first areas is greater than or equal to 30%.Type: ApplicationFiled: January 17, 2014Publication date: February 2, 2017Applicant: APERAMInventors: Roland Panier, Pierre-Louis Reydet, Nicolas Laurain
-
Patent number: 9368807Abstract: The present invention relates to a fuel cell element having an active core interposed between a first and second conducting plate, wherein at least the first conducting plate is made from an alloy having, in percentages by weight, 24.0 to 27.0% nickel; 13.5 to 16.0% chromium; 1.90 to 2.35% titanium; 1.0 to 1.5% molybdenum; 0.10 to 0.50% vanadium; at most 0.08% carbon; at most 2.0% manganese; at most 1.0% silicon; at most 0.35% aluminum; at most 0.03% sulphur; and at most 0.01% boron, the balance consisting of iron and impurities.Type: GrantFiled: April 19, 2013Date of Patent: June 14, 2016Assignees: L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE, APERAM ALLOYS IMPHYInventors: Eric Claude, Richard Bosquet, Gilles Platen, Claude Roussel
-
Publication number: 20160115562Abstract: A ferritic stainless steel sheet of a composition, expressed in weight percentages: trace amounts?C?0.03%; 0.2%?Mn?1%; 0.2%?Si?1%; trace amounts?S?0.01%; trace amounts?P?0.04%; 15%?Cr?22%; trace amounts?Ni?0.5%; trace amounts?Mo?2%; trace amounts?Cu?0.5%; 0.160%?Ti?1%; 0.02%?Al?1%; 0.2%?Nb?1%; trace amounts?V?0.2%; 0.009%?N?0.03%; trace amounts?Co?0.2%; trace amounts?Sn?0.05%; rare earths (REE)?0.1%; trace amounts?Zr?0.01%; the remainder of the composition consisting of iron and of inevitable impurities resulting from the elaboration; the Al and rare earth (REE) contents satisfying the relationship: Al+30×REE?0.15%; the Nb, C, N and Ti contents in % satisfy the relationship: 1/[Nb+(7/4)×Ti?7×(C+N)]?3; said metal sheet having an entirely recrystallized structure and an average ferritic grain size comprised between 25 and 65 ?m.Type: ApplicationFiled: September 3, 2012Publication date: April 28, 2016Applicant: APERAM STAINLESS FRANCEInventors: Pierre-Olivier SANTACREU, Claudine MIRAVAL, Saghi SAEDLOU
-
Publication number: 20150367455Abstract: The invention concerns a welding wire intended for use in welding together parts of parts consisting of F3-36Ni alloy. The welding wire consists of an alloy comprising, in wt. %: 38.6%?Ni+Co?45.0% trace?Co?0.50% 2.25%?Ti+Nb?0.8667×(Ni+Co)?31.20% if 38.6%?Ni+Co?40.33% 2.25%?Ti+Nb?3.75% if 40.33%?Ni+Co?41.4% 0.4167×(Ni+Co)?15.0%?Ti+Nb?3.75% if 41.4%?Ni+Co?45.0% trace?Nb?0.50% 0.01%?Mn?0.30% 0.01%?Si?0.25% trace?C?0.05% trace?Cr?0.50% the rest consisting of iron and inevitable impurities resulting from production.Type: ApplicationFiled: February 1, 2013Publication date: December 24, 2015Applicant: APERAMInventors: Pierre-Louis Reydet, Jean-Louis Roy, Roland André Panier
-
Patent number: 8951364Abstract: The invention relates to an Fe—Co alloy, the composition of which comprises in % by weight: 6?Co+Ni?22 Si?0.2 0.5?Cr?8 Ni?4 0.10?Mn?0.90 Al?4 Ti?1 C?1 Mo?3 V+W?3 Nb+Ta?1 Si+Al?6 O+N+S+P+B?0.1 the balance of the composition consisting of iron and inevitable impurities due to the smelting, it being furthermore understood that the contents thereof satisfy the following relationships: Co+Si?Cr?27 Si+Al+Cr+V+Mo+Ti?3.5 1.23(Al+Mo)+0.84(Si+Cr+V)?1.3 14.5(Al+Cr)+12(V+Mo)+25 Si?50.Type: GrantFiled: January 14, 2009Date of Patent: February 10, 2015Assignee: Aperam Alloys ImphyInventors: Thierry Waeckerle, Herve Fraisse
-
Publication number: 20140299233Abstract: A method for manufacturing a strip in a soft magnetic alloy capable of being cut out mechanically, the chemical composition of which comprises by weight: 18%?Co?55% 0%?V+W?3% 0%?Cr?3% 0%?Si?3% 0%?Nb?0.5% 0%?B?0.05% 0%?C?0.1% 0%?Zr+Ta?0.5% 0%?Ni?5% 0%?Mn?2% The remainder being iron and impurities resulting from the elaboration, according to which a strip obtained by hot rolling is cold-rolled in order to obtain a cold-rolled strip with a thickness of less than 0.6 mm. After cold rolling, a continuous annealing treatment is carried out by passing into a continuous oven, at a temperature comprised between the order/disorder transition temperature of the alloy and the onset temperature of ferritic/austenitic transformation of the alloy, followed by rapid cooling down to a temperature below 200° C. Strip obtained.Type: ApplicationFiled: December 17, 2012Publication date: October 9, 2014Applicant: APERAMInventors: Thierry Waeckerle, Remy Batonnet
-
Publication number: 20140283953Abstract: Method for producing a soft magnetic alloy strip suited to be mechanically cut, having a chemical composition comprising, by weight: 18% ?? Co ? 55%? 0% ? V + W ? 3% 0% ? Cr ? 3% 0% ? Si ? 3% 0% ? Nb ? 0.5%? 0% ? B ? 0.05%?? 0% ? C ? 0.1%? 0% ? Zr + Ta ? 0.5%? 0% ? Ni ? 5% 0% ? Mn ? 2% the rest being iron and impurities from production, according to which a strip obtained by hot rolling a semi-finished product consisting of the alloy is cold-rolled to obtain a cold-rolled strip with a thickness less than 0.6 mm, After the cold rolling, the strip is running annealed by passing it through a continuous furnace at a temperature between the order/disorder transition temperature of the alloy and the ferritic/austenitic transformation point of the alloy, followed by rapid cooling to a temperature below 200° C.Type: ApplicationFiled: December 16, 2011Publication date: September 25, 2014Applicant: APERAMInventors: Thierry Waeckerle, Remy Batonnet
-
Patent number: 8808468Abstract: The invention relates to a Fe—Si—La alloy having the atomic composition: (La1-a-a?MmaTRa?)1[(Fe1-b-b?CObMb?)1-x(Si1-cXc)x]13(CdNeH1-d-e)y(R)z(I)f Mm representing a mixture of lanthanum, cerium, neodymium and praseodynium in the weight proportion of 22 to 26% La, 48 to 53% Ce, 17 to 20% Nd and 5 to 7% Pr, the said mixture possibly comprising up to 1% by weight of impurities, TR representing one or more elements of the rare earth family other than lanthanum, M representing one or more type d transition elements of the 3d, 4d and 5d layers X representing a metalloid element selected from Ge, Al, B, Ga and In R representing one or more elements selected from Al, Ca, Mg, K and Na, I representing one or two elements selected from O and S, with: 0?a<0.5 and 0?a?<0.2 0?b?0.2 and 0?b?<0.4 0?c?0.5 and 0?d?1 0?e?1 and f?0.1 0.09?x?0.13 and 0.002?y?4 0.0001?z?0.01 the subscripts b, d, e, x and y being such that the alloy further satisfies the following condition: 6.143b(13(1?x))+4.437y[1?0.Type: GrantFiled: December 15, 2008Date of Patent: August 19, 2014Assignee: Aperam Alloys ImphyInventors: Thierry Waeckerle, Herve Fraisse, Mohamed Balli, Patricia De Rango, Daniel Fruchart, Damien Gignoux, Salvatore Miraglia, Mariana Rosca, Miguel Jose Artigas Alava
-
Patent number: 8549800Abstract: The invention relates to a bearing frame for a panel, of the type comprising a peripheral structure (1, 1?) for receiving a panel (20), including at least three mounts (2, 3, 4, 5, 2?, 3?, 4?, 5?) defining a frame in which the lower face defines a reference plane (P, P?), in which at least one mount (2, 5; 5) includes a wing (90,100; 90?) extending on the entire length thereof towards the outside of the frame in parallel with the upper face of the frame, the frame comprising at least one precut metal strip (30) stamped, folded and assembled by welding, in particular laser welding, characterised in that the peripheral structure (1, 1?) is hollow and in that it further comprises inner and outer connection means (14, 16, 17) and an electric linking means (18) between the inner and outer connection means, provided inside the hollow peripheral structure.Type: GrantFiled: April 17, 2008Date of Patent: October 8, 2013Assignees: Aperam Alloys Imphy, SolarteInventors: Jean-Pierre Reyal, Yves Jautard
-
Patent number: 8516755Abstract: Supporting frame for an electrically active panel comprising a peripheral structure for receiving an electrically active panel, the peripheral structure including an internal electrical connector for connection to an electrically active panel carried by the frame, at least one first external electrical connector for connection to a first means external to the frame, and an electrical link for electrically linking at least the internal electrical connector to at least the first external electrical connector, the electrical linking link extending along the peripheral structure so as to be concealed by the peripheral structure, the peripheral structure comprising a hollow portion in which the electrical link is received. The peripheral structure is a framework consisting of tubular uprights, the internal electrical connector and external electrical connector extending through a wall of the uprights on which they are disposed and the electrical link extending inside the tubular uprights.Type: GrantFiled: August 8, 2012Date of Patent: August 27, 2013Assignees: Aperam Alloys Imphy, SolarteInventors: Jean-Pierre Reyal, Yves Jautard
-
Publication number: 20130075956Abstract: An induction-heated mold, including at least one lower portion and one upper portion defining a cavity inside of which a molding material is to be brought to a temperature Ttr greater than 20° C., which is introduced and then shaped, at least one of the mold portions having an area for transferring heat with the molding material, the heat transfer area including at least one sub-area consisting of at least one ferromagnetic material the Curie point Tc of which is between 20 and 800° C. and which is in contact with the molding material and/or with a non-ferromagnetic coating having a thermal conductivity greater than 30 W.m?1.K?1. A method for manufacturing a plastic or composite material product via of the molds according to the invention.Type: ApplicationFiled: February 23, 2011Publication date: March 28, 2013Applicant: APERAMInventor: Thierry Waeckerle
-
Publication number: 20120237387Abstract: The disclosure mainly relates to a stainless steel sheet containing a minimum of 10.5% by weight of Cr and a maximum of 1.2% by weight of C, the microstructure of which is martensitic or austeno-martensitic and comprises at least 2% by volume of martensite, essentially characterized in that it comprises at least one local portion of lesser mechanical resistance, having a martensitic content at least 10% lower than that of the remainder of said sheet; said local portion being at least partly with a thickness equal to that of said sheet. The disclosure also relates to a method for manufacturing this steel sheet and to a steel part which may be obtained by deformation of this sheet.Type: ApplicationFiled: September 21, 2009Publication date: September 20, 2012Applicant: APERAMInventors: Pierre-Olivier Santacreu, Aurelien Pic, Fabrice Pinard