FR3074191B1 - ALUMINUM ALLOY FLAT PRODUCT WITH IMPROVED THICKNESS PROPERTIES - Google Patents

ALUMINUM ALLOY FLAT PRODUCT WITH IMPROVED THICKNESS PROPERTIES Download PDF

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Publication number
FR3074191B1
FR3074191B1 FR1761384A FR1761384A FR3074191B1 FR 3074191 B1 FR3074191 B1 FR 3074191B1 FR 1761384 A FR1761384 A FR 1761384A FR 1761384 A FR1761384 A FR 1761384A FR 3074191 B1 FR3074191 B1 FR 3074191B1
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FR
France
Prior art keywords
product
casting
aluminum alloy
thickness
flat product
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
FR1761384A
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French (fr)
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FR3074191A1 (en
Inventor
Philippe Jarry
Fabio Taina
Jean-Louis Achard
Marc Bertherat
Pierre-Yves Menet
Mircea Cablea
Timothy Warner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Constellium Issoire SAS
Original Assignee
Constellium Issoire SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Constellium Issoire SAS filed Critical Constellium Issoire SAS
Priority to FR1761384A priority Critical patent/FR3074191B1/en
Priority to EP18819533.3A priority patent/EP3717146B1/en
Priority to PCT/FR2018/052862 priority patent/WO2019106254A1/en
Publication of FR3074191A1 publication Critical patent/FR3074191A1/en
Application granted granted Critical
Publication of FR3074191B1 publication Critical patent/FR3074191B1/en
Active legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
    • B22D11/041—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds for vertical casting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/10—Supplying or treating molten metal
    • B22D11/11—Treating the molten metal
    • B22D11/114—Treating the molten metal by using agitating or vibrating means
    • B22D11/115—Treating the molten metal by using agitating or vibrating means by using magnetic fields
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/122—Accessories for subsequent treating or working cast stock in situ using magnetic fields

Abstract

L'invention concerne un produit plat en alliage d'aluminium d'épaisseur supérieure à 12.5 mm présentant des propriétés améliorées dans l'épaisseur. Ce produit est obtenu en ajustant les conditions de brassage pendant la coulée du lingot servant à l'obtention du produit plat. Le procédé de coulée se caractérise par une coulée avec brassage induit par un champ de forces externes non stationnaire ou une coulée avec brassage induit par un champ de forces externes stationnaire plaquant. Le procédé de transformation comprend une mise en solution à une température supérieure à 450°C, une trempe et un revenu ou maturation pour obtenir un produit plat en alliage d'aluminium. Optionnellement une opération de scalpage peut être effectuée pendant le procédé de transformation afin d'éliminer des défauts de surface rédhibitoire si une opération de laminage est effectué subséquemment. L'invention permet en particulier d'augmenter l'épaisseur du produit coulé sans altérer, voire en améliorant l'allongement dans le sens travers-court du produit final.Disclosed is a flat aluminum alloy product with a thickness greater than 12.5 mm having improved properties in the thickness. This product is obtained by adjusting the stirring conditions during the casting of the ingot serving to obtain the flat product. The casting process is characterized by casting with stirring induced by a non-stationary external force field or casting with stirring induced by a stationary external force field clamping. The transformation process comprises dissolving at a temperature above 450 ° C, quenching and tempering or maturing to obtain a flat aluminum alloy product. Optionally a scalping operation can be performed during the transformation process in order to eliminate unacceptable surface defects if a rolling operation is performed subsequently. The invention makes it possible in particular to increase the thickness of the cast product without altering or even improving the elongation in the cross-short direction of the final product.

FR1761384A 2017-11-29 2017-11-29 ALUMINUM ALLOY FLAT PRODUCT WITH IMPROVED THICKNESS PROPERTIES Active FR3074191B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR1761384A FR3074191B1 (en) 2017-11-29 2017-11-29 ALUMINUM ALLOY FLAT PRODUCT WITH IMPROVED THICKNESS PROPERTIES
EP18819533.3A EP3717146B1 (en) 2017-11-29 2018-11-16 Aluminium alloy flat product having improved thickness properties
PCT/FR2018/052862 WO2019106254A1 (en) 2017-11-29 2018-11-16 Aluminium alloy flat product having improved thickness properties

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1761384A FR3074191B1 (en) 2017-11-29 2017-11-29 ALUMINUM ALLOY FLAT PRODUCT WITH IMPROVED THICKNESS PROPERTIES
FR1761384 2017-11-29

Publications (2)

Publication Number Publication Date
FR3074191A1 FR3074191A1 (en) 2019-05-31
FR3074191B1 true FR3074191B1 (en) 2021-10-01

Family

ID=62143239

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1761384A Active FR3074191B1 (en) 2017-11-29 2017-11-29 ALUMINUM ALLOY FLAT PRODUCT WITH IMPROVED THICKNESS PROPERTIES

Country Status (3)

Country Link
EP (1) EP3717146B1 (en)
FR (1) FR3074191B1 (en)
WO (1) WO2019106254A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA3163718A1 (en) * 2019-12-20 2021-06-24 Novelis Inc. Decreased cracking susceptibility of 7xxx series direct chill (dc) cast ingots
CN114433822A (en) * 2020-10-31 2022-05-06 娄底市金马耐磨新材料有限公司 Casting mold structure with controllable cooling device
CN114433821A (en) * 2020-10-31 2022-05-06 娄底市金马耐磨新材料有限公司 Cooling device for solving shrinkage porosity defect of casting and cooling method of vertical casting

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2457064C1 (en) * 2011-03-03 2012-07-27 Федеральное Государственное Автономное Образовательное Учреждение Высшего Профессионального Образования "Сибирский Федеральный Университет" (Сфу) Method of continuous and semicontinuous casing of aluminium alloys and device to this end
GB201305822D0 (en) * 2013-03-28 2013-05-15 Pavlov Evgeny Improvements in and relating to apparatus and methods

Also Published As

Publication number Publication date
EP3717146A1 (en) 2020-10-07
FR3074191A1 (en) 2019-05-31
WO2019106254A1 (en) 2019-06-06
EP3717146B1 (en) 2022-01-19

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