公开(公告)号：US20220145471A1

公开(公告)日：2022-05-12

申请号：US17433312

申请日：2019-12-18

Applicant: HOWMET AEROSPACE INC.

Inventor： Ryan N. Scott ,  Kevin M. Robare ,  Jennifer L. Giocondi ,  Nicola Menegazzo ,  Kelly M. Weiler

IPC: C23C22/07 ,  C23G1/12 ,  C23G1/22 ,  C23C22/76 ,  C23C22/73 ,  B05D7/14

Abstract: Metallic substrate treatment methods and articles comprising a phosphonate functionalized layer are provided. The method comprises contacting a metallic substrate comprising at least one of aluminum and an aluminum alloy with a fluid to form a phosphonate functionalized layer on at least a region of the metallic substrate. The fluid comprises at least one of a phosphonate containing acid and a derivative thereof. At least one of the phosphonate containing acid and the derivative thereof comprises a pKa of a first acidic proton. The fluid comprises a pH at least 0.5 pH value greater than the pKa of the first acidic proton. The article comprises a metallic substrate comprising aluminum or an aluminum alloy and a phosphonate functionalized layer on at least a region of the metallic substrate.

公开(公告)号：US20210178808A1

公开(公告)日：2021-06-17

申请号：US17267880

申请日：2018-10-26

Applicant: Howmet Aerospace Inc.

Inventor： Douglas P. Mason

IPC: B60B11/04 ,  B60B3/02

Abstract: A vehicle wheel for mounting at least two tires, an assembly comprising the vehicle wheel, methods of making the vehicle wheel, and methods of using the vehicle wheel. The vehicle wheel comprises a generally cylindrical first region, a generally cylindrical second region, a third region, and a fourth region. The first region comprises a first tire mount disposed about a circumference of an outer surface of the first region. The second region comprises a second tire mount disposed about a circumference of an outer surface of the second region. The third region is disposed intermediate and connecting the first region and the second region. The fourth region is integral with and extends radially inward from an inner surface of the third region. The fourth region is configured to mount to a vehicle axle. The first, second, third, and fourth regions are regions of a monolithic body.

公开(公告)号：US20200277691A1

公开(公告)日：2020-09-03

申请号：US16848656

申请日：2020-04-14

Applicant: HOWMET AEROSPACE INC.

Inventor： Jen C. Lin ,  Gabriele F. Ciccola ,  Santosh Prasad ,  Wei Wen ,  Raymond J. Kilmer

IPC: C22F1/057 ,  C22C21/10 ,  C22C21/18 ,  C22C21/16 ,  C22C21/14 ,  C22C21/02 ,  C22F1/053 ,  C22F1/043

Abstract: New aluminum alloys are disclosed and generally include 0.6-1.4 wt. % Si, 0.25-0.90 wt. % Mg, wherein the ratio of wt. % Si to wt. % Mg is from 1.05:1 to 5.0:1, 0.25-2.0 wt. % Cu, 0.10-3.5 wt. % Zn, 0.01-1.0 wt. % Fe, up to 0.8 wt. % Mn, up to 0.25 wt. % Cr, up to 0.20 wt. % Zr, up to 0.20 wt. % V, and up to 0.15 wt. % Ti, wherein the total of Fe+Mn+Cr+Zr+V+Ti is not greater than 2.0 wt. %, the balance being aluminum and impurities. The new aluminum alloys may include Q phase precipitates. In some embodiments, the solvus temperature of the Q phase precipitates is not greater than 950° F.

公开(公告)号：US20250084884A1

公开(公告)日：2025-03-13

申请号：US18580242

申请日：2022-08-16

Applicant: HOWMET AEROSPACE INC.

Inventor： Arnaud BRUNET

IPC: F16B19/05

Abstract: The present disclosure relates to fastening collars, multi-piece fasteners, and methods for fastening. A fastening collar comprises a first collar end, a second collar end, and an elongate portion intermediate the first collar end and the second collar end and defining a longitudinal axis of the fastening collar. The elongate portion comprises an external collar surface, an inner collar surface defining a collar cavity, and a groove on at least one of the external collar surface and inner collar surface. The groove extends a first distance along the longitudinal axis.

公开(公告)号：US20240418197A1

公开(公告)日：2024-12-19

申请号：US18703656

申请日：2022-11-28

Applicant: HOWMET AEROSPACE INC.

Inventor： James L. WOLLARD, Jr.

IPC: F16B19/05

Abstract: Multi-piece fasteners and methods of fastening are provided. The multi-piece fastener comprises a fastening collar and a pin. The fastening collar comprises an inner collar surface defining a collar cavity, an outer collar surface, a coating on the outer collar surface, and a lubrication layer intermediate the coating and the outer collar surface. The coating comprises a resin and a metal pigment. The pin is configured to be at least partially received by the collar cavity. The pin comprises a first pin end, a second pin end, and a shank extending intermediate the first pin end and the second pin end. The fastening collar is configured to be deformed onto the shank by forcibly contacting the outer collar surface of the fastening collar. Forcibly contacting the outer collar surface at least partially removes the coating on the outer collar surface and indicates installation of the multi-piece fastener.

公开(公告)号：US12018380B2

公开(公告)日：2024-06-25

申请号：US17433312

申请日：2019-12-18

Applicant: HOWMET AEROSPACE INC.

Inventor： Ryan N. Scott ,  Kevin M. Robare ,  Jennifer L. Giocondi ,  Nicola Menegazzo ,  Kelly M. Weiler

IPC: C23C22/07 ,  B05D7/14 ,  C23C22/73 ,  C23C22/76 ,  C23G1/12 ,  C23G1/22

CPC classification number: C23C22/07 ,  B05D7/14 ,  C23C22/73 ,  C23C22/76 ,  C23G1/125 ,  C23G1/22

Abstract: Metallic substrate treatment methods and articles comprising a phosphonate functionalized layer are provided. The method comprises contacting a metallic substrate comprising at least one of aluminum and an aluminum alloy with a fluid to form a phosphonate functionalized layer on at least a region of the metallic substrate. The fluid comprises at least one of a phosphonate containing acid and a derivative thereof. At least one of the phosphonate containing acid and the derivative thereof comprises a pKa of a first acidic proton. The fluid comprises a pH at least 0.5 pH value greater than the pKa of the first acidic proton. The article comprises a metallic substrate comprising aluminum or an aluminum alloy and a phosphonate functionalized layer on at least a region of the metallic substrate.

公开(公告)号：US11885358B2

公开(公告)日：2024-01-30

申请号：US17423980

申请日：2019-02-07

Applicant: HOWMET AEROSPACE INC.

Inventor： Robert B. Wilcox ,  James Thomas Smith ,  Troy Don Pierce

IPC: F16B19/10

CPC classification number: F16B19/1054 ,  F16B19/10

Abstract: The present disclosure relates to a blind fastener and a method of installation thereof. The blind fastener comprises a sleeve and a mandrel. The sleeve comprises a first sleeve end, a second sleeve end, and a cavity extending from the first sleeve end to the second sleeve end. The mandrel is configured to be at least partially received by the cavity of the sleeve. The mandrel comprises a first mandrel end disposed adjacent to the first sleeve end and comprising an enlarged portion having a diameter greater than a diameter of the cavity, a second mandrel end comprising a pull region, and a shank region extending intermediate the first mandrel end and the second mandrel end. The pull region comprises an axial length no greater than four times a diameter of the shank region and is configured to be engaged by an installation tool.

公开(公告)号：US11841041B1

公开(公告)日：2023-12-12

申请号：US16826941

申请日：2020-03-23

Applicant: HOWMET AEROSPACE INC.

Inventor： Robert B. Wilcox ,  Justin Branch ,  Ryan J. White

IPC: F16B19/10

CPC classification number: F16B19/1063

Abstract: Fastening collars, multi-piece fastening systems, and methods of fastening are provided. The fastening collar comprises a first end, a second end, and an elongate portion intermediate the first end and the second end and defining a longitudinal axis of the fastening collar. The elongate portion comprises a first region adjacent the first end, a second region intermediate the first region and the second end, and a cavity. The first region comprises a first diameter and is configured to be received by a bore of a structure. The second region comprises a second diameter greater than the first diameter. The cavity extends through the elongate portion and is configured to receive at least a portion of a shank of the multi-piece fastening system. The elongate portion is configured to at least partially deform onto the shank responsive to forcible contact between the second region and an installation tool.

公开(公告)号：US11802581B1

公开(公告)日：2023-10-31

申请号：US17906122

申请日：2021-03-15

Applicant: Howmet Aerospace Inc.

Inventor： Anthony J. Fedusa ,  Donald J. Spinella

IPC: F16B5/04 ,  B23K11/11 ,  B21J15/08 ,  B23K11/00 ,  F16B5/08 ,  B21J15/02 ,  B23K103/18

CPC classification number: F16B5/04 ,  B21J15/08 ,  B23K11/0066 ,  B23K11/115 ,  F16B5/08 ,  B21J15/025 ,  B23K2103/18

Abstract: Methods of fastening are provided. A method comprises contacting a fastener with a first layer of an assembly at a first location. The assembly comprises the first layer, a third layer, and a second layer positioned intermediate the first layer and the third layer. The first layer, the third layer, and the fastener are electrically conductive. The second layer defines a gap and the first location is in communication with the gap. Electrical communication is formed between the assembly and the fastener. The first layer is fastened to the third layer through the gap in the second layer with the fastener. The fastening comprises resistance welding the fastener to the third layer.

公开(公告)号：US20230250842A1

公开(公告)日：2023-08-10

申请号：US18004717

申请日：2021-07-16

Applicant: HOWMET AEROSPACE INC.

Inventor： Thomas Brennetot

IPC: F16B19/10

CPC classification number: F16B19/1072 ,  F16B19/1054

Abstract: Self-forming thread blind fasteners and methods for fastening are provided. The self-forming thread blind fastener comprises a sleeve and a pin. The sleeve comprises a first sleeve end, a second sleeve end, an elongate portion, and an inner wall defining a bore. The pin is configured to be at least partially received by the bore. The pin comprises a first pin end, a second pin end, a pin head portion, an at least partially threaded portion, a shank intermediate, and a driving portion. The at least partially threaded portion is configured to form threads on at least a portion of the inner wall of the sleeve. The driving portion is configured to receive a torque to rotate the pin within the sleeve and thereby axially compress and deform the sleeve and form the threads on the at least a portion of the inner wall of the sleeve.