公开(公告)号：US20240318690A1

公开(公告)日：2024-09-26

申请号：US18579559

申请日：2021-07-23

Applicant: AKTIEBOLAGET SKF

Inventor： Mohamed SHERIF

IPC: F16C33/62 ,  C21D1/20 ,  C21D1/26 ,  C21D6/00 ,  C21D9/40 ,  C22C38/00 ,  C22C38/44 ,  C22C38/52 ,  C23C8/26 ,  F16C33/64

CPC classification number: F16C33/62 ,  C21D1/20 ,  C21D1/26 ,  C21D6/004 ,  C21D9/40 ,  C22C38/001 ,  C22C38/44 ,  C22C38/52 ,  C23C8/26 ,  F16C33/64 ,  F16C2204/72 ,  F16C2223/14

Abstract: A method of manufacturing a component of a rolling-element bearing includes: providing a steel body having a carbon content of less than 0.3 weight-%, a chromium content of greater than 8.0 weight-%, and a nitrogen content of less than 0.1 weight-%; high-temperature solution nitriding the steel body; after the high-temperature solution nitriding, performing an intermediate tempering process to reduce a size of austenite grains in the steel body; and after the intermediate tempering process, performing a reaustenitizing annealing. Also the component made by the method.

公开(公告)号：US20240309534A1

公开(公告)日：2024-09-19

申请号：US18185483

申请日：2023-03-17

Applicant: Unison Industries, LLC

Inventor： Ramkumar Oruganti ,  Karthick Gourishankar ,  Raghavendra Adharapurapu ,  Sachin Nalawade ,  Sanjay Kumar Sondhi ,  Vishwanath T ,  Lakshmi Krishnan

IPC: C25D1/00

CPC classification number: C25D1/00 ,  C21D1/26 ,  C22F1/10 ,  C25D15/00

Abstract: An electroforming system and method includes disposing an electrode defining a mandrel within a mixture solution, and applying a voltage to the electrode in the mixture solution to form a composite metal layer on the electrode. The composite metal layer can have particles incorporated within a metal matrix and define a composite electroformed component.

公开(公告)号：US20240287634A1

公开(公告)日：2024-08-29

申请号：US18581584

申请日：2024-02-20

Applicant: MTU Aero Engines AG

Inventor： Nils Weidlich ,  Frank Seidel ,  Ezgi Schoening

IPC: C21D1/72 ,  B05D3/04 ,  B05D3/06 ,  B05D7/16 ,  C21D1/26 ,  C21D1/74

CPC classification number: C21D1/72 ,  B05D3/0473 ,  B05D3/067 ,  B05D7/16 ,  C21D1/26 ,  C21D1/74 ,  B05D2601/28

Abstract: The invention relates to a method for producing at least in regions an oxidation protection coating on a component of a thermal gas turbine. In accordance with the invention, the method comprises the steps of coating the component at least in regions with a lacquer, which comprises at least one UV-curable binder and metal particles, curing the lacquer by exposure to UV light, and thermal treatment of the component at least in the region of the cured lacquer for production of the oxidation protection coating.

公开(公告)号：US12000032B2

公开(公告)日：2024-06-04

申请号：US17251935

申请日：2020-06-04

Applicant: JIANGSU UNIVERSITY

Inventor： Rui Luo ,  Zhizhong Yuan ,  Xiaonong Cheng ,  Pei Gao ,  Leli Chen ,  Tian Liu

IPC: C22F1/16 ,  B21C37/06 ,  C21D1/26 ,  C21D8/02 ,  C21D8/10 ,  C21D9/08 ,  C22C30/00

CPC classification number: C22F1/16 ,  B21C37/06 ,  C21D1/26 ,  C21D8/0236 ,  C21D8/105 ,  C21D9/08 ,  C22C30/00

Abstract: A superalloy seamless pipe and a preparation method thereof are provided. The superalloy seamless pipe comprises the following components in percentages by weight: C: 0.01-0.06%, Si: 0.40-1.00%, Mn: 0.30-1.00%, P≤0.025%, S≤0.020%, Cr: 15.00-17.00%, Ni: 44.00-46.00%, Al: 2.90-3.90%, Ce: 0.01-0.03%, Ti: 0.10-0.30%, N: 0.03-0.08%, and the balance of Fe and inevitable impurities.

公开(公告)号：US20240052446A1

公开(公告)日：2024-02-15

申请号：US17901045

申请日：2022-09-01

Applicant: Taiyuan University of Technology

Inventor： Zhongkai REN ,  Jingbi YANG ,  Xiao LIU ,  Tao WANG ,  Peng CHEN ,  Xiaobao MA ,  Liping BIAN

IPC: C21D8/02 ,  C21D1/26 ,  C21D7/13 ,  B21B1/26 ,  B21B15/00 ,  B21B1/40

CPC classification number: C21D8/0252 ,  C21D1/26 ,  C21D7/13 ,  B21B1/26 ,  B21B15/00 ,  B21B1/40

Abstract: A device for continuously applying a transverse tension in an annealing process of an ultra-thin strip, including an unfolding and receiving mechanism for unwinding and winding the strip and an orthopedic mechanism for correcting the strip including an annealing furnace, and two orthopedic assemblies fixedly arranged inside the annealing furnace; the two orthopedic assemblies are symmetrically arranged on both sides of the strip, are parallel to an advancing direction of the strip and correspond to side edges of the strip, and include annular guide rails; each annular guide rail is fixedly connected with the annealing furnace and is slidably connected with an orthopedic part; the orthopedic part corresponds to each side edge of the strip, and each annular guide rail is internally provided with a driving part; the driving part is in transmission connection with the orthopedic part, and the orthopedic part is communicated with an air source part.

公开(公告)号：US20240051265A1

公开(公告)日：2024-02-15

申请号：US18373451

申请日：2023-09-27

Applicant: POSCO CO., LTD

Inventor： Seong-Woo KIM ,  Jin-Keun OH ,  Yeol-Rae CHO

IPC: B32B15/01 ,  C22C38/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/28 ,  C22C38/32 ,  C23C2/12 ,  C23C2/28 ,  B21D22/02 ,  C21D9/46 ,  C22F1/00 ,  C22F1/04 ,  C21D6/00 ,  C23C2/40 ,  C23F17/00 ,  B21D35/00 ,  C23C26/00 ,  C23C28/02 ,  C23C30/00 ,  C23C28/00 ,  B32B15/18 ,  C23C2/04 ,  B32B15/04 ,  C23C2/26 ,  C23C2/06 ,  C22C30/00 ,  C22C38/14 ,  C22C38/48 ,  C22C38/40 ,  C22C38/18 ,  C22C38/42 ,  C22C38/44 ,  C22C38/08 ,  C22C38/16 ,  C22C38/24 ,  C22C21/00 ,  C22C38/38 ,  C22C38/46 ,  C22C38/20 ,  C22C38/26 ,  C22C38/22 ,  C22C38/58 ,  C22C38/12 ,  C22C38/50 ,  C22C38/54 ,  B21D37/16 ,  B32B5/20 ,  B32B5/18 ,  C21D9/52 ,  C21D1/26 ,  C22C38/60

CPC classification number: B32B15/012 ,  C22C38/001 ,  C22C38/002 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/28 ,  C22C38/32 ,  C23C2/12 ,  C23C2/28 ,  B21D22/02 ,  C21D9/46 ,  C22F1/002 ,  C22F1/04 ,  C21D6/005 ,  C21D6/008 ,  C23C2/40 ,  C23F17/00 ,  B21D35/00 ,  C23C26/00 ,  B21D22/022 ,  B21D35/005 ,  B32B15/011 ,  C23C28/023 ,  C23C30/00 ,  C23C28/322 ,  C23C28/321 ,  B32B15/18 ,  C23C2/04 ,  B32B15/043 ,  B32B15/01 ,  B32B15/013 ,  C23C2/26 ,  B32B15/04 ,  C23C2/06 ,  C23C30/005 ,  C22C30/00 ,  C22C38/14 ,  C22C38/48 ,  C22C38/40 ,  C22C38/18 ,  C22C38/42 ,  C22C38/44 ,  C22C38/08 ,  C22C38/16 ,  C22C38/24 ,  C22C21/00 ,  C22C38/38 ,  C22C38/46 ,  C22C38/20 ,  C22C38/26 ,  C22C38/22 ,  C22C38/58 ,  C22C38/12 ,  C22C38/50 ,  C22C38/54 ,  B21D37/16 ,  B32B5/20 ,  B32B5/18 ,  C23C2/29 ,  C21D9/52 ,  C21D1/26 ,  C22C38/008 ,  C22C38/60 ,  Y10T428/12757 ,  Y10T428/12799 ,  Y10T428/12979 ,  Y10T428/12993 ,  Y10T428/12958 ,  Y10T428/12972 ,  Y10T428/12951 ,  Y10T428/12479

Abstract: Provided is a steel sheet for a hot press formed member having excellent resistance to hydrogen delayed fracture, and a method for manufacturing the same. A steel sheet for a hot press formed member comprises: a base steel sheet; an aluminum alloy plating layer on a surface of the base steel sheet; and an oxide layer which is formed on a surface of the plating layer and has a thickness of 0.05 μm or more.

公开(公告)号：US11827950B2

公开(公告)日：2023-11-28

申请号：US17992240

申请日：2022-11-22

Applicant: POSCO Co., Ltd

Inventor： Yeon-Sang Ahn ,  Chang-Hyo Seo ,  Kang-Hyun Choi ,  Eul-Yong Choi

IPC: C21D9/46 ,  C21D1/26 ,  C22C38/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  C22C38/14 ,  C22C38/32 ,  C22C38/60 ,  C23C2/06 ,  C21D8/02

CPC classification number: C21D9/46 ,  C21D1/26 ,  C21D8/0226 ,  C21D8/0236 ,  C22C38/001 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  C22C38/14 ,  C22C38/32 ,  C22C38/60 ,  C23C2/06 ,  C21D2211/001 ,  C21D2211/002 ,  C21D2211/005 ,  C21D2211/008

Abstract: Provided is a method of manufacturing a high strength steel sheet having excellent workability, including: reheating a steel slab; hot-rolling the reheated steel slab at an Ar3 transformation point or higher; coiling in a temperature range of 400 to 700° C.; primary cooling at a cooling rate of 0.1° C./s or less to room temperature; producing a cold rolled steel sheet at a cold reduction ratio of 40 to 70%; continuously annealing the cold rolled steel sheet in a temperature range of Ac1+30° C. to Ac3−20° C.; secondary cooling at a cooling rate of 10° C./s or less to 630 to 670° C.; third cooling to 400 to 500° C. at a cooling rate of 5° C./s or more in a hydrogen; maintaining for 70 seconds or more; hot-dip galvanizing; and performing a final cooling to Ms or less at a cooling rate of 1° C./s or more.

公开(公告)号：US11821053B2

公开(公告)日：2023-11-21

申请号：US15738776

申请日：2016-06-30

Applicant: MAGNA INTERNATIONAL INC.

Inventor： John Richard Potocki ,  Steven Reece Falter

IPC: C21D9/50 ,  B23K26/00 ,  C21D1/34 ,  C22F1/04 ,  B23K9/167 ,  B23K9/173 ,  B23K31/02 ,  B23K101/00 ,  C21D1/09 ,  C21D1/26

CPC classification number: C21D9/50 ,  B23K9/167 ,  B23K9/173 ,  B23K26/00 ,  B23K31/02 ,  C21D1/34 ,  C22F1/04 ,  B23K2101/006 ,  C21D1/09 ,  C21D1/26

Abstract: A method for conditioning a welded vehicle body assembly is provided. The method includes welding the vehicle body member to at least one additional vehicle body member together to form the welded vehicle body assembly, the welded vehicle body assembly includes a weld area; and laser annealing a weld heat affected zone adjacent to the weld area to soften material in the weld heat affected zone.

公开(公告)号：US11820103B2

公开(公告)日：2023-11-21

申请号：US17517399

申请日：2021-11-02

Applicant: POSCO

Inventor： Seong-Woo Kim ,  Jin-Keun Oh ,  A-Ra Cho ,  Hyeon-Jeong Shin

IPC: B32B15/01 ,  C22C38/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/28 ,  C22C38/32 ,  C23C2/12 ,  C23C2/28 ,  B21D22/02 ,  C21D9/46 ,  C22F1/00 ,  C22F1/04 ,  C21D6/00 ,  C23C2/40 ,  C23F17/00 ,  B21D35/00 ,  C23C26/00 ,  C23C28/02 ,  C23C30/00 ,  C23C28/00 ,  B32B15/18 ,  C23C2/04 ,  B32B15/04 ,  C23C2/26 ,  C23C2/06 ,  C22C30/00 ,  C22C38/14 ,  C22C38/48 ,  C22C38/40 ,  C22C38/18 ,  C22C38/42 ,  C22C38/44 ,  C22C38/08 ,  C22C38/16 ,  C22C38/24 ,  C22C21/00 ,  C22C38/38 ,  C22C38/46 ,  C22C38/20 ,  C22C38/26 ,  C22C38/22 ,  C22C38/58 ,  C22C38/12 ,  C22C38/50 ,  C22C38/54 ,  B21D37/16 ,  B32B5/20 ,  B32B5/18 ,  C21D9/52 ,  C21D1/26 ,  C22C38/60

CPC classification number: B32B15/012 ,  B21D22/02 ,  B21D22/022 ,  B21D35/00 ,  B21D35/005 ,  B21D37/16 ,  B32B5/18 ,  B32B5/20 ,  B32B15/01 ,  B32B15/011 ,  B32B15/013 ,  B32B15/04 ,  B32B15/043 ,  B32B15/18 ,  C21D1/26 ,  C21D6/005 ,  C21D6/008 ,  C21D9/46 ,  C21D9/52 ,  C22C21/00 ,  C22C30/00 ,  C22C38/001 ,  C22C38/002 ,  C22C38/008 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/08 ,  C22C38/12 ,  C22C38/14 ,  C22C38/16 ,  C22C38/18 ,  C22C38/20 ,  C22C38/22 ,  C22C38/24 ,  C22C38/26 ,  C22C38/28 ,  C22C38/32 ,  C22C38/38 ,  C22C38/40 ,  C22C38/42 ,  C22C38/44 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  C22C38/54 ,  C22C38/58 ,  C22C38/60 ,  C22F1/002 ,  C22F1/04 ,  C23C2/04 ,  C23C2/06 ,  C23C2/12 ,  C23C2/26 ,  C23C2/28 ,  C23C2/29 ,  C23C2/40 ,  C23C26/00 ,  C23C28/023 ,  C23C28/321 ,  C23C28/322 ,  C23C30/00 ,  C23C30/005 ,  C23F17/00 ,  Y10T428/12479 ,  Y10T428/12757 ,  Y10T428/12799 ,  Y10T428/12951 ,  Y10T428/12958 ,  Y10T428/12972 ,  Y10T428/12979 ,  Y10T428/12993

Abstract: The present invention relates to a steel sheet for a hot press formed member having excellent coating adhesion, and a method for manufacturing the same. A steel sheet for hot press forming according to one aspect of the present invention is an aluminum alloy plated steel sheet, wherein an average Fe content in a plating layer may be 40 wt % or more, and a concentration gradient of a section having a Fe content of 45 wt % to 80 wt % in the plating layer may 7 wt %/μm or less of a concentration gradient at a section having an Fe content of 45% to 80% in the plating layer in a thickness direction from a surface of the plating layer according to a result of GDS analysis.

公开(公告)号：US11814704B2

公开(公告)日：2023-11-14

申请号：US17575263

申请日：2022-01-13

Applicant: Huntington Alloys Corporation

Inventor： Brian A. Baker ,  John J. Debarbadillo

IPC: C22C19/05 ,  C21D1/26 ,  C22F1/10

CPC classification number: C22C19/055 ,  C21D1/26 ,  C22C19/056 ,  C22F1/10

Abstract: An alloy includes a composition, in weight percent, of aluminum from about 1.3% to about 1.8%, cobalt from about 1.5% to about 4.0%, chromium from about 18.0% to about 22.0%, iron from about 4.0% to about 10.0%, molybdenum from about 1.0% to about 3.0%, niobium from about 1.0% to about 2.5%, titanium from about 1.3% to about 1.8%, tungsten from about 0.8% to about 1.2%, carbon from about 0.01% to about 0.08%, and balance nickel and incidental impurities. The alloy has a stress rupture life at 700° C. and 393.7 MPa (57.1 ksi) of at least 300 hours and a room temperature percent elongation of at least 15% after aging at 700° C. for 1,000 hours.