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公开(公告)号：US20170106418A1
公开(公告)日：2017-04-20
申请号：US15292636
申请日：2016-10-13
Applicant: Novelis Inc.
Inventor： Corrado Bassi , Joerg Mathieu , Susanne Glock , Daniel Winkler
CPC classification number: B21B1/227 , B21B27/005 , B21B2003/001 , B21B2261/14 , B21B2265/14 , B21B2267/10 , B21H8/005 , B21H8/02
Abstract: Metal work rolls texturized with engineered textures can impart desired impression patterns on metal strips. Engineered textures can be controlled with particularity to achieve desired surface characteristics (e.g., lubricant trapping, coefficient of friction, or surface reflectivity) on work rolls and metal strips, and to allow for impression patterns to be imparted on metal strips during high percentages of reduction of thickness (e.g., greater than about 5% or greater than about 15%, such as around 30%-55%). Engineered textures can be applied by focusing energy beams at specific points of an outer surface of a work roll to impart texture elements on the work roll. In some cases, an engineered texture element that can be used to generate a generally circular impression element can be generally elliptical in shape, having a length that is shorter than its width by a factor dependent on the reduction of thickness percentage.
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公开(公告)号：US20170101706A1
公开(公告)日：2017-04-13
申请号：US15285510
申请日：2016-10-05
Applicant: Novelis Inc.
Inventor： Corrado Bassi , Etienne Combaz , Aude Despois , Pasquier Romain , Maude Fumeaux , Julie Richard
CPC classification number: C22F1/057 , B21D22/02 , C22C21/00 , C22C21/02 , C22C21/06 , C22C21/08 , C22C21/10 , C22C21/14 , C22C21/16 , C22F1/04 , C22F1/043 , C22F1/047
Abstract: Described are processes for shaping age hardenable aluminum alloys, such as 2XXX, 6XXX and 7XXX aluminum alloys in T4 temper, or articles made of such alloys, including aluminum alloy sheets. The processes involve heating the sheet or article before and/or concurrently with a forming step. In some examples, the sheet is heated to a specified temperature in the range of about 100-600° C. at a specified heating rate within the range of about 3-600° C./s, for example about 3-90° C./s. Such a combination of temperature and heating rate results in an advantageous combination of sheet properties.
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公开(公告)号：US11572611B2
公开(公告)日：2023-02-07
申请号：US15285510
申请日：2016-10-05
Applicant: Novelis Inc.
Inventor： Corrado Bassi , Etienne Combaz , Aude Despois , Pasquier Romain , Maude Fumeaux , Julie Richard
IPC: C22C21/08 , C22F1/05 , C22F1/057 , C22C21/06 , C22C21/00 , C22C21/10 , C22F1/04 , C22F1/043 , C22F1/047 , B21D22/02 , C22C21/02 , C22C21/14 , C22C21/16
Abstract: Described are processes for shaping age hardenable aluminum alloys, such as 2XXX, 6XXX and 7XXX aluminum alloys in T4 temper, or articles made of such alloys, including aluminum alloy sheets. The processes involve heating the sheet or article before and/or concurrently with a forming step. In some examples, the sheet is heated to a specified temperature in the range of about 100-600° C. at a specified heating rate within the range of about 3-600° C./s, for example about 3-90° C./s. Such a combination of temperature and heating rate results in an advantageous combination of sheet properties.
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公开(公告)号：US11530473B2
公开(公告)日：2022-12-20
申请号：US15838651
申请日：2017-12-12
Applicant: Novelis Inc.
Inventor： Guillaume Florey , Corrado Bassi , Aude Despois , David Leyvraz
Abstract: Disclosed are high-strength, highly deformable aluminum alloys and methods of making and processing such alloys. More particularly, disclosed is a heat treatable aluminum alloy exhibiting improved mechanical strength and formability. The processing method includes casting, homogenizing, hot rolling, solutionizing, pre-aging and in some cases pre-straining. In some cases, the processing steps can further include cold rolling and/or heat treating.
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公开(公告)号：US10934610B2
公开(公告)日：2021-03-02
申请号：US16419135
申请日：2019-05-22
Applicant: Novelis Inc.
Inventor： Corrado Bassi , Etienne Combaz , Aude Despois , Pasquier Romain , Maude Fumeaux , Julie Richard
IPC: C22C21/00 , C22F1/05 , B21D22/02 , C22C21/04 , C21D1/42 , C22F1/043 , C22C21/06 , C22C21/08 , C22C21/10 , C22F1/053 , C22F1/057
Abstract: Described are processes for shaping a hardened heat treatable, age-hardenable aluminum alloys, such as hardened 2XXX, 6XXX and 7XXX aluminum alloys, or articles made from such alloys, including aluminum alloy sheets. The processes involve heating the article, which may be in a form of a sheet or a blank, before and/or concurrently with a forming step. In some examples, the alloy is heated to a specified temperature in the range of 125-425° C. at a specified heating rate within the range of about 3-200° C./s, for example, 3-90° C./s or 90-150° C./s. Such a combination of the temperature and the heating rate can result in an advantageous combination of article properties.
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Patent Agency Ranking
公开(公告)号：US10913107B2
公开(公告)日：2021-02-09
申请号：US15717361
申请日：2017-09-27
Applicant: NOVELIS INC.
Inventor： Milan Felberbaum , Sazol Kumar Das , Aurele Mariaux , Duane E. Bendzinski , Cyrille Bezencon , Simon William Barker , Corrado Bassi , Rajeev G. Kamat , Tudor Piroteala , Rajasekhar Talla , Robert Bruce Wagstaff
IPC: B22D11/00 , B22D11/06 , B22D11/12 , B22D11/126 , C22F1/04 , B21B1/26 , B21B1/46 , B21B13/22 , B21B15/00 , C22F1/00 , C22F1/047 , B21B1/22 , B21B3/00
Abstract: A continuous casting and rolling line for casting, rolling, and otherwise preparing metal strip can produce distributable metal strip without requiring cold rolling or the use of a solution heat treatment line. A metal strip can be continuously cast from a continuous casting device and coiled into a metal coil, optionally after being subjected to post-casting quenching. This intermediate coil can be stored until ready for hot rolling. The as-cast metal strip can undergo reheating prior to hot rolling, either during coil storage or immediately prior to hot rolling. The heated metal strip can be cooled to a rolling temperature and hot rolled through one or more roll stands. The rolled metal strip can optionally be reheated and quenched prior to coiling for delivery. This final coiled metal strip can be of the desired gauge and have the desired physical characteristics for distribution to a manufacturing facility.
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公开(公告)号：US10538834B2
公开(公告)日：2020-01-21
申请号：US15381707
申请日：2016-12-16
Applicant: Novelis Inc.
Inventor： Wei Wen , Hany Ahmed , Rajeev Kamat , Corrado Bassi , Guillaume Florey , Cyrille Bezencon , Juergen Timm , David Leyvraz , Aude Despois , Sazol Kumar Das
IPC: C22C21/02 , C22C21/06 , C22C21/08 , C22C21/14 , C22C21/16 , C22C21/18 , C22F1/043 , C22F1/047 , C22F1/057 , C22F1/05 , B22D7/00
Abstract: Disclosed are high-strength aluminum alloys and methods of making and processing such alloys. More particularly, disclosed is a 6XXX series aluminum alloy exhibiting improved mechanical strength, formability, corrosion resistance, and anodized qualities. An exemplary method includes homogenizing, hot rolling, solutionizing, and quenching. In some cases, the processing steps can further include annealing and/or cold rolling.
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公开(公告)号：US20190264310A1
公开(公告)日：2019-08-29
申请号：US16409431
申请日：2019-05-10
Applicant: Novelis Inc.
Inventor： Corrado Bassi , Aude Despois , Julie Richard
Abstract: Processes for improving the strength of heat-treatable, age hardenable aluminum alloys, such as 6xxx, 2xxx and 7xxx aluminum alloys, are provided. The processes for improving the strength of heat-treatable, age-hardenable aluminum alloys involve a heat treatment step, termed “shock heat treatment,” which involves heat treatment at 200 to 350° C. that is conducted at a fast heating rate (for example 10 to 220° C./seconds) for a relatively short period of time (for example, for 60 seconds or less or for 5 to 30 seconds). In some examples, the shock heat treatment is accomplished by contact heating, such as heating an aluminum alloy article between complementary shaped heated dies of a press. Aluminum alloy articles, such as automotive panels, produced by the disclosed shock heat treatment are also provided.
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公开(公告)号：US10344364B2
公开(公告)日：2019-07-09
申请号：US15285513
申请日：2016-10-05
Applicant: Novelis Inc.
Inventor： Corrado Bassi , Etienne Combaz , Aude Despois , Pasquier Romain , Maude Fumeaux , Julie Richard
IPC: C22F1/00 , C22F1/043 , C22C21/00 , C22C21/06 , C22C21/08 , C22C21/10 , C22F1/05 , C22F1/053 , C22F1/057 , B21D22/02 , C21D1/42 , C22C21/04
Abstract: Described are processes for shaping a hardened heat treatable, age-hardenable aluminum alloys, such as hardened 2XXX, 6XXX and 7XXX aluminum alloys, or articles made from such alloys, including aluminum alloy sheets. The processes involve heating the article, which may be in a form of a sheet or a blank, before and/or concurrently with a forming step. In some examples, the alloy is heated to a specified temperature in the range of 125-425° C. at a specified heating rate within the range of about 3-200° C./s, for example, 3-90° C./s or 90-150° C./s. Such a combination of the temperature and the heating rate can result in an advantageous combination of article properties.
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公开(公告)号：US20190032225A1
公开(公告)日：2019-01-31
申请号：US16047165
申请日：2018-07-27
Applicant: Novelis Inc.
IPC: C23F11/18
Abstract: Described herein are pretreatment compositions, coated aluminum alloy products, and methods for coating the alloys. The pretreatment compositions include inorganic chemical corrosion inhibitors dispersed in a silane-based matrix and may further include clay particles. The inorganic chemical corrosion inhibitors include rare earth metals and salts thereof. The pretreatment compositions, when applied to the surface of an alloy, inhibit corrosion of the alloys. The pretreatment compositions can be used in automotive, electronics, industrial, transportation, and other applications.
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