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FR2450143A1 - Brazing alloy for titanium and alloys - comprises silver copper and aluminium - Google Patents

Brazing alloy for titanium and alloys - comprises silver copper and aluminium

Info

Publication number
FR2450143A1
FR2450143A1 FR7905087A FR7905087A FR2450143A1 FR 2450143 A1 FR2450143 A1 FR 2450143A1 FR 7905087 A FR7905087 A FR 7905087A FR 7905087 A FR7905087 A FR 7905087A FR 2450143 A1 FR2450143 A1 FR 2450143A1
Authority
FR
France
Prior art keywords
brazing
alloys
titanium
alloy
aluminium
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7905087A
Other languages
French (fr)
Other versions
FR2450143B1 (en
Inventor
Gerard Ferriere
Xavier Heberard
Martine Hourcade
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bpifrance Financement SA
Original Assignee
Agence National de Valorisation de la Recherche ANVAR
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Agence National de Valorisation de la Recherche ANVAR filed Critical Agence National de Valorisation de la Recherche ANVAR
Priority to FR7905087A priority Critical patent/FR2450143A1/en
Publication of FR2450143A1 publication Critical patent/FR2450143A1/en
Application granted granted Critical
Publication of FR2450143B1 publication Critical patent/FR2450143B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24—Selection of soldering or welding materials proper
    • B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
    • B23K35/3006—Ag as the principal constituent
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C5/00—Alloys based on noble metals
    • C22C5/06—Alloys based on silver

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Products (AREA)

Abstract

Method of brazing joints between pieces of titanium and its alloys at about 700 degrees C comprising using a brazing alloy of Ag, Cu and Al, the compsn. of which falls inside the triangle defined as the ternary diagram between the points (A) Ag 91-Cu 2-Al7; (B) Ag 54-cu2-A144 and (C) Ag 54-Cu 39-Al 7. Pref. a gap of 20-70(50) mu is left between pieces of Ti to be buff jointed together. The brazed joint has a mechanical strength at least equal to that of brazed joints using Ag-Ga but have improved ductility. The brazing is effected at a temp. low enough not to affect the grain structure of parent Ti metal or alloy significantly, unlike prior art Ti alloy brazing metals which need 900 degrees C + and tend to cause grain growth around the joint.
FR7905087A 1979-02-27 1979-02-27 Brazing alloy for titanium and alloys - comprises silver copper and aluminium Granted FR2450143A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7905087A FR2450143A1 (en) 1979-02-27 1979-02-27 Brazing alloy for titanium and alloys - comprises silver copper and aluminium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7905087A FR2450143A1 (en) 1979-02-27 1979-02-27 Brazing alloy for titanium and alloys - comprises silver copper and aluminium

Publications (2)

Publication Number Publication Date
FR2450143A1 true FR2450143A1 (en) 1980-09-26
FR2450143B1 FR2450143B1 (en) 1983-04-08

Family

ID=9222521

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7905087A Granted FR2450143A1 (en) 1979-02-27 1979-02-27 Brazing alloy for titanium and alloys - comprises silver copper and aluminium

Country Status (1)

Country Link
FR (1) FR2450143A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2376577A (en) * 1943-06-19 1945-05-22 Aluminum Co Of America Brazing alloy
FR1366269A (en) * 1962-06-29 1964-07-10 Bristol Siddeley Engines Ltd Alloy based on silver and aluminum
US4080203A (en) * 1976-12-29 1978-03-21 The United States Of America As Represented By The Secretary Of The Air Force Silver base brazing alloy

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2376577A (en) * 1943-06-19 1945-05-22 Aluminum Co Of America Brazing alloy
FR1366269A (en) * 1962-06-29 1964-07-10 Bristol Siddeley Engines Ltd Alloy based on silver and aluminum
US4080203A (en) * 1976-12-29 1978-03-21 The United States Of America As Represented By The Secretary Of The Air Force Silver base brazing alloy

Also Published As

Publication number Publication date
FR2450143B1 (en) 1983-04-08

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Legal Events

Date Code Title Description
ST Notification of lapse