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1. WO2022010718 - FRICTION STIR PROCESSING FOR CORROSION RESISTANCE

Publication Number WO/2022/010718
Publication Date 13.01.2022
International Application No. PCT/US2021/039979
International Filing Date 30.06.2021
IPC
B23K 20/12 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
20Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
12the heat being generated by friction; Friction welding
B23K 103/10 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
103Materials to be soldered, welded or cut
08Non-ferrous metals or alloys
10Aluminium or alloys thereof
CPC
B23K 20/1275
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
20Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
12the heat being generated by friction; Friction welding
122using a non-consumable tool, e.g. friction stir welding
1275involving metallurgical change
B23K 20/2336
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
20Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
22taking account of the properties of the materials to be welded
233without ferrous layer
2336both layers being aluminium
B23K 2103/10
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
2103Materials to be soldered, welded or cut
08Non-ferrous metals or alloys
10Aluminium or alloys thereof
C21D 1/34
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
1General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
34Methods of heating
C21D 10/00
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
10Modifying the physical properties by methods other than heat treatment or deformation
C22F 1/04
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
1Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
04of aluminium or alloys based thereon
Applicants
  • LAM RESEARCH CORPORATION [US]/[US]
Inventors
  • MARTIN, Keith Joseph
  • LINEBARGER, JR., Nick Ray
Agents
  • SCHEER, Bradley W.
  • ARORA, Suneel, USPTO Reg. No. 42,267
  • BEEKMAN, Marvin, L., USPTO Reg. No. 38,377
  • BIANCHI, Timothy E., USPTO Reg. No. 39,610
  • BLACK, David W., USPTO Reg. No. 42,331
  • LANG, Roger, USPTO Reg., No. 58,829
  • PERDOK, Monique M., USPTO Reg. No. 42,989
Priority Data
62/705,64209.07.2020US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) FRICTION STIR PROCESSING FOR CORROSION RESISTANCE
(FR) TRAITEMENT PAR FRICTION-MALAXAGE POUR LA RÉSISTANCE À LA CORROSION
Abstract
(EN) In some examples, techniques for enhancing a corrosion resistance of a component are provided. In some examples, the component includes a granular metallic material. A friction stir processing operation is performed on the material. The friction stir processing operation comprises passing a rotating head of a friction stir welding tool through a surface thickness of the granular metallic material in a treatment path.
(FR) Dans certains exemples, l'invention concerne des techniques pour améliorer une résistance à la corrosion d'un composant. Dans certains exemples, le composant comprend un matériau métallique granulaire. Une opération de traitement par friction-malaxage est effectuée sur le matériau. L'opération de traitement par friction-malaxage consiste à faire passer une tête rotative d'un outil de soudage par friction-malaxage à travers une épaisseur de surface du matériau métallique granulaire dans un trajet de traitement.
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