EP2017364A8 - Method of manufacturing a semi-finished product using an aluminium alloy, in particular for an automobile structure - Google Patents

Method of manufacturing a semi-finished product using an aluminium alloy, in particular for an automobile structure Download PDF

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Publication number
EP2017364A8
EP2017364A8 EP20080356083 EP08356083A EP2017364A8 EP 2017364 A8 EP2017364 A8 EP 2017364A8 EP 20080356083 EP20080356083 EP 20080356083 EP 08356083 A EP08356083 A EP 08356083A EP 2017364 A8 EP2017364 A8 EP 2017364A8
Authority
EP
European Patent Office
Prior art keywords
semi
finished product
manufacturing
aluminium alloy
income
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.)
Granted
Application number
EP20080356083
Other languages
German (de)
French (fr)
Other versions
EP2017364A2 (en
EP2017364B1 (en
EP2017364A3 (en
Inventor
Emmanuel Beslin
Bompard Serge
Benoit Hubert
Guy Michel Raynaud
Fernando Varanda
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 Extrusions France SAS
Original Assignee
Alcan International Ltd Canada
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 Alcan International Ltd Canada filed Critical Alcan International Ltd Canada
Publication of EP2017364A2 publication Critical patent/EP2017364A2/en
Publication of EP2017364A3 publication Critical patent/EP2017364A3/en
Publication of EP2017364A8 publication Critical patent/EP2017364A8/en
Application granted granted Critical
Publication of EP2017364B1 publication Critical patent/EP2017364B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/04—Making uncoated products by direct extrusion
    • B21C23/08—Making wire, bars, tubes
    • B21C23/085—Making tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
    • C22F1/05—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions

Abstract

Procédé de fabrication d'un demi-produit en alliage d'aluminium destiné notamment à former un composant de structure de véhicule automobile permettant l'absorption d'énergie de façon irréversible lors d'une collision contre un obstacle ou choc, comprenant les étapes consistant en une extrusion (E6) d'alliage d'aluminium sur presse à travers une filière afin d'obtenir un demi-produit, une étape de traitement thermique de revenu du demi-produit (E13). Avant l'étape de revenu (E13), un échantillon (e) est prélevé (E10) sur un lot (L) comprenant un ensemble de demi-produits possédant des paramètres de fabrication communs, afin de subir un test (E11) d'au moins une de ses caractéristiques fonctionnelles (F), les conditions (T, Δt) de l'étape de revenu (E13) étant déterminées (E12) en fonction de la valeur mesurée (Fm) lors du test (E11) et d'une valeur cible (Fc) de l'au moins une caractéristique fonctionnelle (F), l'étape de traitement thermique de revenu (E13) étant appliqué dans les conditions (T, Δt) déterminées à l'ensemble du lot (L) dont est issu l'échantillon (e).

Figure imgaf001
A process for manufacturing an aluminum alloy half-product, in particular for forming a motor vehicle structure component that allows irreversible energy absorption during a collision against an obstacle or impact, comprising the steps of in an extrusion (E6) of aluminum alloy on a press through a die to obtain a semi-finished product, a step of heat treatment of the semi-finished product (E13). Before the revenue step (E13), a sample (e) is taken (E10) from a batch (L) comprising a set of semi-finished products having common manufacturing parameters, in order to undergo a test (E11) of at least one of its functional characteristics (F), the conditions (T, Δt) of the income step (E13) being determined (E12) as a function of the measured value (Fm) during the test (E11) and of a target value (Fc) of the at least one functional characteristic (F), the heat treatment stage of income (E13) being applied under the conditions (T, Δt) determined to the whole batch (L) of which is the sample (e).
Figure imgaf001
EP08356083.9A 2007-06-18 2008-06-13 Method of manufacturing a semi-finished product using an aluminium alloy, in particular for an automobile structure Not-in-force EP2017364B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0704316A FR2917428B1 (en) 2007-06-18 2007-06-18 PROCESS FOR PRODUCING AN ALUMINUM ALLOY SEMI-PRODUCT, IN PARTICULAR FOR A MOTOR VEHICLE STRUCTURE

Publications (4)

Publication Number Publication Date
EP2017364A2 EP2017364A2 (en) 2009-01-21
EP2017364A3 EP2017364A3 (en) 2009-06-17
EP2017364A8 true EP2017364A8 (en) 2009-08-19
EP2017364B1 EP2017364B1 (en) 2018-11-21

Family

ID=38996708

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08356083.9A Not-in-force EP2017364B1 (en) 2007-06-18 2008-06-13 Method of manufacturing a semi-finished product using an aluminium alloy, in particular for an automobile structure

Country Status (2)

Country Link
EP (1) EP2017364B1 (en)
FR (1) FR2917428B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106809280A (en) * 2017-01-18 2017-06-09 福建省汽车工业集团云度新能源汽车股份有限公司 A kind of front longitudinal
CN107155162A (en) * 2017-06-05 2017-09-12 安徽福讯信息技术有限公司 A kind of sound equipment test system and its method
CN108161369B (en) * 2018-02-05 2019-09-03 西安电子工程研究所 A kind of method that evil spirit T adjusts diaphragm processing

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6197130B1 (en) * 1997-04-24 2001-03-06 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Method and apparatus to access optimum strength during processing of precipitation strengthened alloys
JP3454755B2 (en) * 1999-06-18 2003-10-06 株式会社神戸製鋼所 Shock absorbing member with excellent pressure-resistant cracking resistance
EP1041165A1 (en) * 1999-04-02 2000-10-04 Kabushiki Kaisha Kobe Seiko Sho Shock absorbing material
JP2000345272A (en) * 1999-04-02 2000-12-12 Kobe Steel Ltd Impact absorbing member
FR2897319B1 (en) * 2006-02-15 2009-01-23 Pechiney Softal Soc Par Action AUTOMOBILE CASE STRUCTURE COMPONENTS FOR ALUMINUM ALLOY ALLOY ENERGY ABSORPTION OF FAMILY 3000

Also Published As

Publication number Publication date
EP2017364A2 (en) 2009-01-21
EP2017364B1 (en) 2018-11-21
FR2917428A1 (en) 2008-12-19
FR2917428B1 (en) 2009-08-28
EP2017364A3 (en) 2009-06-17

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