公开(公告)号：US12077840B2

公开(公告)日：2024-09-03

申请号：US17049715

申请日：2019-04-18

申请人： CONSTELLIUM SINGEN GmbH

发明人： Paula Camean Queijo ,  Mehdi Ben Tahar ,  Alexis Skubich ,  Martin Jarrett

IPC分类号： C22F1/043 ,  C22C21/02

CPC分类号： C22F1/043 ,  C22C21/02

摘要： The invention relates to an extruded product made of 6xxx aluminium alloy comprising 0.40-0.80 wt. % Si, 0.40-0.80 wt. % Mg, 0.40-0.70 wt. % Cu, up to 0.4 wt. % Fe, up to 0.30 wt. % Mn, up to 0.2 wt. % Cr, up to 0.2 wt. % V, up to 0.14 wt. % Zr, up to 0.1 wt. % Ti, up to 0.05 wt. % each impurity and total 0.15 wt. %, remainder aluminum, wherein the ratio Mg/Sifree is between 0.8 and 1.2 where Sifree is calculated according to the equation Sifree=Si−0.3*(Mn+Fe) where Si, Mn and Fe correspond to the content in weight % of Si, Mn and Fe of said 6xxx aluminum alloy and to the corresponding extruded product particularly suitable with a tensile yield strength higher than 280 MPa, and excellent crash properties. The invention also relates to the manufacturing process to obtain such extruded product.

公开(公告)号：US11186903B2

公开(公告)日：2021-11-30

申请号：US15508243

申请日：2015-09-02

申请人： CONSTELLIUM VALAIS SA ,  CONSTELLIUM SINGEN GMBH

发明人： Alexis Skubich ,  Martin Jarrett

IPC分类号： C22F1/05 ,  B21C23/04 ,  C22F1/00 ,  C22C21/08 ,  C22C21/02

摘要： An aluminium alloy extruded product obtained by casting a billet from a 6xxx aluminium alloy comprising: Si: 0.3-1.5 wt. %; Fe: 0.1-0.3 wt. %; Mg: 0.3-1.5 wt. %; Cu

公开(公告)号：US12043886B2

公开(公告)日：2024-07-23

申请号：US16342745

申请日：2017-10-19

申请人： CONSTELLIUM SINGEN GMBH

发明人： Emmanuel Beslin ,  Jochen Frank ,  Martin Jarrett ,  Alexis Skubich ,  Arnas Gerald Fitzner

IPC分类号： C22F1/05 ,  B60R19/18

CPC分类号： C22F1/05 ,  B60R19/18

摘要： The present invention relates to extrusions for structural components, such as bumper, side impact beam, seat sill in vehicles and more particularly to a method for optimizing strength and energy absorption of 6XXX aluminium alloys extrusions by variations in thermomechanical ageing (TMA) consisting in



i) an artificial preageing treatment with a duration t1 at a temperature T1 selected to increase the yield strength of said extrusion between 5% and 20%, said temperature T1 being typically between 120° C. and 180° C. and said duration t1 being typically between 1 and 100 hours, to obtain an artificially preaged extrusion,
ii) a plastic deformation of said artificially preaged extrusion between 1% and 80% to obtain a deformed extrusion,
iii) a final artificial ageing treatment of said deformed extrusion with a duration t2 at a temperature T2, said temperature T2 being typically between 140° C. and 200° C. and said the duration t2 being typically between 1 and 100 hours.

公开(公告)号：US11479838B2

公开(公告)日：2022-10-25

申请号：US15736173

申请日：2016-06-14

申请人： CONSTELLIUM SINGEN GMBH

发明人： Alexis Skubich ,  Martin Jarrett ,  Fabian Pfaender ,  Ivan Grbavac ,  Matthias Kutscher ,  Frank Gensty ,  Roland Tirard-Collet

IPC分类号： C22C21/08 ,  C22F1/05 ,  C22C21/02 ,  C22F1/04 ,  C22C21/12 ,  C22C21/14 ,  C22F1/047 ,  C22F1/043 ,  C22F1/057 ,  C22C21/18 ,  C22C21/10 ,  C22C21/16 ,  C22C21/06 ,  C22F1/053 ,  B21C23/00 ,  B21C23/14

摘要： The invention relates to a manufacturing process for obtaining 6xxx-series aluminium alloy solid extruded products, comprising Si: 0.3-1.7 wt. %; Mg: 0.1-1.4 wt. %, Cu: 0.1-0.8 wt. %, Zn 0.005-0.7 wt %, one or more dispersoid element, from the group consisting of Mn 0.15-1 wt. %, Cr 0.05-0.4 wt. % and Zr 0.05-0.25 wt. %, Fe at most 0.5 wt. %, other elements at most 0.05 wt. % the rest being aluminium, having particularly high mechanical properties, typically an ultimate tensile strength higher than 400 MPa, preferably 430 MPa, and more preferably 450 MPa without the need for a post-extrusion solution heat treatment operation. The invention also concerns a manufacturing process for obtaining a bumper system in which is integrated a towing eye, said towing eye being made with said high mechanical properties aluminium alloys.