公开(公告)号：US20210262065A1

公开(公告)日：2021-08-26

申请号：US17314924

申请日：2021-05-07

Applicant: ARCONIC TECHNOLOGIES LLC

Inventor： Paul E. Magnusen ,  Lynette M. Karabin ,  Francine S. Bovard ,  Julien Boselli

IPC: C22C21/18 ,  C22C21/16 ,  C22C21/14

Abstract: New 2xxx aluminum alloys are disclosed. The new 2xxx aluminum alloys generally include from 0.08 to 0.20 wt. % Ti. The new 2xxx aluminum alloys may realize an improved combination of two or more of strength, fracture toughness, elongation, and corrosion resistance, for instance.

公开(公告)号：US20230175103A1

公开(公告)日：2023-06-08

申请号：US18102221

申请日：2023-01-27

Applicant: ARCONIC TECHNOLOGIES LLC

Inventor： Timothy A. Hosch ,  Russell S. Long ,  Edward M. Williams ,  Lynette M. Karabin

IPC: C22C21/08 ,  C22F1/00 ,  C22F1/043 ,  C22F1/047 ,  C22F1/05 ,  C22C21/02

CPC classification number: C22C21/08 ,  C22F1/002 ,  C22F1/043 ,  C22F1/047 ,  C22F1/05 ,  C22C21/02

Abstract: New 6xxx aluminum alloys are disclosed. In one approach, a new 6xxx aluminum alloy may include from 0.25-0.60 wt. % Fe, 0.8-1.2 wt. % Si, 0.35-1.1 wt. % Mg, 0.05-0.8 wt. % Mn, up to 0.30 wt. % Cu, up to 0.35 wt. % Zn, up to 0.15 wt. % Ti, up to 0.15 wt. % each of Cr, Zr, and V, the balance being aluminum, incidental elements and impurities. The new 6xxx aluminum alloys may be made from recycled aluminum alloys.

公开(公告)号：US20210404038A1

公开(公告)日：2021-12-30

申请号：US17307453

申请日：2021-05-04

Applicant: ARCONIC TECHNOLOGIES LLC

Inventor： Julien Boselli ,  Jen C. Lin ,  Lynette M. Karabin ,  Wei Wen

IPC: C22C21/18 ,  C22C21/14 ,  C22C21/16

Abstract: New 2xxx aluminum alloys having are disclosed. The new 2xxx aluminum alloys generally include 2.5-3.9 wt. % Cu, 0.82-1.20 wt. % Li, 0.5-2.0 wt. % Zn, 0.10-0.60 wt. % Mn, 0.05-0.35 wt. % Mg, from 0.05 to 0.50 wt. % of at least one grain structure control element, wherein the at least one grain structure control element is selected from the group consisting of Zr, Sc, Cr, V, Hf, other rare earth elements, and combinations thereof, up to 0.22 wt. % Ag, up to 0.15 wt. % Fe, up to 0.12 wt. % Si, and up to 0.15 wt. % Ti, the balance being aluminum, incidental elements and impurities. The new 2xxx aluminum alloys may realize an improved combination of two or more of strength, fracture toughness, elongation, and corrosion resistance.

公开(公告)号：US20240254595A1

公开(公告)日：2024-08-01

申请号：US18417434

申请日：2024-01-19

Applicant: ARCONIC TECHNOLOGIES LLC

Inventor： Lynette M. Karabin ,  Timothy A. Hosch ,  Wei Wang ,  Brian Kelley

IPC: C22C21/02 ,  C22F1/043

CPC classification number: C22C21/02 ,  C22F1/043

Abstract: New 6xxx aluminum alloy sheet products are disclosed. The new 6xxx aluminum alloy sheet products may contain, for instance, from 0.95 to 1.25 wt. % Si, from 0.65 to 0.95 wt. % Mg, wherein (wt. % Mg)/(wt. % Si) is not greater than 0.99:1, from 0.50 to 0.75 wt. % Cu, from 0.02 to 0.40 wt. % Mn, and from 0.03 to 0.26 wt. % Cr, wherein (wt. % Mn)+(wt. % Cr) is at least 0.22 wt. %. The new 6xxx aluminum alloy sheet products may have a thickness of from 0.5 to 4.0 mm and may realize an improved combination of properties, such as an improved combination of two or more of strength, ductility (elongation), castability, fracture behavior and corrosion resistance.

公开(公告)号：US20230374632A1

公开(公告)日：2023-11-23

申请号：US18224945

申请日：2023-07-21

Applicant: ARCONIC TECHNOLOGIES LLC

Inventor： Lynette M. Karabin ,  Timothy A. Hosch ,  Dirk C. Mooy ,  Russell S. Long

IPC: C22C21/02 ,  C22F1/00 ,  C22F1/05

CPC classification number: C22C21/02 ,  C22F1/002 ,  C22F1/05

Abstract: New 6xxx aluminum alloys are disclosed. In one embodiment, a new 6xxx aluminum alloy sheet product includes from 0.75 to 1.05 wt. % Si, from 0.65 to 0.95 wt. % Mg, wherein (wt. % Mg)/(wt. % Si) is not greater than 0.99:1, from 0.50 to 0.75 wt. % Cu, from 0.02 to 0.40 wt. % Mn, from 0.06 to 0.26 wt. % Cr, wherein (wt. % Mn)+(wt. % Cr) is at least 0.22 wt. %, from 0.01 to 0.30 wt. % Fe, up to 0.25 wt. % Zn, up to 0.20 wt. % Zr, up to 0.20 wt. % V, and up to 0.15 wt. % Ti, the balance being aluminum, optional incidental elements and impurities.

公开(公告)号：US12194529B2

公开(公告)日：2025-01-14

申请号：US17307453

申请日：2021-05-04

Applicant: ARCONIC TECHNOLOGIES LLC

Inventor： Julien Boselli ,  Jen C. Lin ,  Lynette M. Karabin ,  Wei Wen

IPC: C22C21/14 ,  B22D21/00 ,  C22C21/16 ,  C22C21/18 ,  B22F10/28

Abstract: New 2xxx aluminum alloys having are disclosed. The new 2xxx aluminum alloys generally include 2.5-3.9 wt. % Cu, 0.82-1.20 wt. % Li, 0.5-2.0 wt. % Zn, 0.10-0.60 wt. % Mn, 0.05-0.35 wt. % Mg, from 0.05 to 0.50 wt. % of at least one grain structure control element, wherein the at least one grain structure control element is selected from the group consisting of Zr, Sc, Cr, V, Hf, other rare earth elements, and combinations thereof, up to 0.22 wt. % Ag, up to 0.15 wt. % Fe, up to 0.12 wt. % Si, and up to 0.15 wt. % Ti, the balance being aluminum, incidental elements and impurities. The new 2xxx aluminum alloys may realize an improved combination of two or more of strength, fracture toughness, elongation, and corrosion resistance.

公开(公告)号：US20230250516A1

公开(公告)日：2023-08-10

申请号：US18134149

申请日：2023-04-13

Applicant: ARCONIC TECHNOLOGIES LLC

Inventor： Lynette M. Karabin ,  John M. Newman ,  Carolyn G. Norwood

IPC: C22C21/10 ,  C21D8/02 ,  C22F1/053

CPC classification number: C22C21/10 ,  C21D8/0226 ,  C21D8/0236 ,  C21D8/0273 ,  C22F1/053

Abstract: New 7xxx aluminum alloys alloys are disclosed. The new 7xxx aluminum alloys may include 5.0-9.0 wt. % Zn, 1.30-2.05 wt. % Mg, 1.10-2.10 wt. % Cu, wherein 2.55≤(wt. % Cu+wt. % Mg)≤3.85, at least one of (i) 0.03-0.40 wt. % Mn and 0.02-0.15 wt. % Zr, wherein 0.05≤(wt. % Zr+wt. % Mn)≤0.50, up to 0.20 wt. % Cr, up to 0.20 wt. % V, up to 0.20 wt. % Fe, up to 0.15 wt. % Si, up to 0.15 wt. % Ti, and up to 75 ppm B, the balance being aluminum, incidental elements and impurities. The new 7xxx aluminum alloys may be in the form of a 7xxx aluminum alloy sheet product having a thickness of from 0.5 to 4.0 mm and comprising at least 15 vol. % recrystallized grains. The new alloys may realize an improved combination of at least two of strength, elongation, fracture behavior and corrosion resistance.

公开(公告)号：US20210340656A1

公开(公告)日：2021-11-04

申请号：US17308794

申请日：2021-05-05

Applicant: ARCONIC TECHNOLOGIES LLC

Inventor： Julien Boselli ,  Jen C. Lin ,  Lynette M. Karabin ,  Severine Cambier ,  Francine S. Bovard ,  Wenping Zhang

IPC: C22F1/053 ,  C22C21/10

Abstract: New 7xxx aluminum alloys are disclosed. The new 7xxx aluminum alloys generally include from 0.05 to 1.0 wt. % Ag. In one approach, a new 7xxx aluminum alloy includes from 0.05 to 1.0 wt. % Ag, from 5.5 to 9.0 wt. % Zn, from 1.2 to 2.6 wt. % Cu, from 1.3 to 2.5 wt. % Mg, up to 0.60 wt. % Mn, up to 1.0 wt. % of at least one grain structure control material, wherein the at least one grain structure control material is selected from the group consisting of Zr, Cr, V, Hf, other rare earth elements, and combinations thereof, up to 0.30 wt. % Fe, up to 0.30 wt. % Si, up to 0.15 wt. % Ti, not greater than 0.08 wt. % Sc, and not greater than 0.05 wt. % Li, the balance being aluminum, optional incidental elements and impurities.