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1. WO2021062186 - WIRES OF NICKEL-TITANIUM ALLOY AND METHODS OF FORMING THE SAME

Publication Number WO/2021/062186
Publication Date 01.04.2021
International Application No. PCT/US2020/052766
International Filing Date 25.09.2020
IPC
C22C 14/00 2006.01
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
14Alloys based on titanium
C22C 19/03 2006.01
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
19Alloys based on nickel or cobalt
03based on nickel
C22C 19/00 2006.01
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
19Alloys based on nickel or cobalt
C22F 1/10 2006.01
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS OR NON-FERROUS ALLOYS
1Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
10of nickel or cobalt or alloys based thereon
C22F 1/18 2006.01
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS OR NON-FERROUS ALLOYS
1Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
16of other metals or alloys based thereon
18High-melting or refractory metals or alloys based thereon
C22F 1/00 2006.01
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS OR NON-FERROUS ALLOYS
1Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
CPC
A61L 2400/16
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES
2400Materials characterised by their function or physical properties
16Materials with shape-memory or superelastic properties
C22C 14/00
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
14Alloys based on titanium
C22C 19/007
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
19Alloys based on nickel or cobalt
007with a light metal (alkali metal Li, Na, K, Rb, Cs; earth alkali metal Be, Mg, Ca, Sr, Ba, Al Ga, Ge, Ti) or B, Si, Zr, Hf, Sc, Y, lanthanides, actinides, as the next major constituent
C22C 19/03
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
19Alloys based on nickel or cobalt
03based on nickel
C22F 1/006
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
006Resulting in heat recoverable alloys with a memory effect
C22F 1/10
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
10of nickel or cobalt or alloys based thereon
Applicants
  • W. L. GORE & ASSOCIATES, INC. [US]/[US]
Inventors
  • BORN, Debra K.
  • KUMAR, Parikshith K.
  • MAJOLAGBE, Kehinde A.
  • NELSON, Jared S.
  • SILVERMAN, James D.
Agents
  • JONAS, Victor P.
  • ZHANG, Shuang
  • ANDERSON, Nicholas M.
  • WEBB, Johnathon E.
  • ECKERLEY, Alyssa R.
  • DREWRY, Jamie M.
  • DUEBNER, Ryan L.
Priority Data
62/907,49027.09.2019US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) WIRES OF NICKEL-TITANIUM ALLOY AND METHODS OF FORMING THE SAME
(FR) FILS EN ALLIAGE NICKEL-TITANE ET LEURS PROCÉDÉS DE FORMATION
Abstract
(EN)
A wire of a nickel-titanium alloy having a permanent set of less than 5% when 11% strain is applied to the wire is disclosed. The wire may be formed by applying a first heat treatment to the wire, the first heat treatment includes applying heat of a first temperature for a first period of time, applying a strain deformation to the wire to set a shape for the wire during the first heat treatment, and applying a second heat treatment to the wire. The second heat treatment includes applying heat of a second temperature different from the first temperature for a second period of time, and the second temperature is between 210 °C and 290 °C. The wire may have a modulus of at least 53 GPa when 200 MPa of stress is applied to the wire, and the wire is bonded to a secondary component.
(FR)
L'invention concerne un fil en alliage nickel-titane présentant une déformation permanente inférieure à 5 % lorsqu'une contrainte de 11 % est appliquée sur le fil. Le fil peut être formé par l'application d'un premier traitement thermique sur le fil, le premier traitement thermique consistant à appliquer de la chaleur à une première température pendant une première période, à appliquer une déformation sous contrainte sur le fil pour définir une forme pour le fil pendant le premier traitement thermique et à appliquer un second traitement thermique sur le fil. Le second traitement thermique consiste à appliquer de la chaleur à une seconde température différente de la première température pendant une seconde période, et la seconde température étant comprise entre 210 °C et 290 °C. Le fil peut avoir un module d'au moins 53 GPa lorsqu'une contrainte de 200 MPa est appliquée sur le fil, et le fil est lié à un composant secondaire.
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