US20040118487A1 - Cu-Al-Ni-Fe alloy and sensor for measuring a physical parameter comprising a component made of such an alloy - Google Patents

Cu-Al-Ni-Fe alloy and sensor for measuring a physical parameter comprising a component made of such an alloy Download PDF

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Publication number
US20040118487A1
US20040118487A1 US10/732,590 US73259003A US2004118487A1 US 20040118487 A1 US20040118487 A1 US 20040118487A1 US 73259003 A US73259003 A US 73259003A US 2004118487 A1 US2004118487 A1 US 2004118487A1
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United States
Prior art keywords
alloy
around
sensor
treatment
component made
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Abandoned
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US10/732,590
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English (en)
Inventor
Bruno Lhuillier
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.)
Auxitrol SA
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Auxitrol SA
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Filing date
Publication date
Application filed by Auxitrol SA filed Critical Auxitrol SA
Assigned to AUXITROL SA reassignment AUXITROL SA ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LHUILLIER, BRUNO
Publication of US20040118487A1 publication Critical patent/US20040118487A1/en
Priority to US12/005,824 priority Critical patent/US9340853B2/en
Abandoned legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper
    • C22C9/01—Alloys based on copper with aluminium as the next major constituent
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper
    • C22C9/06—Alloys based on copper with nickel or cobalt as the next major constituent

Definitions

  • the present invention relates to copper alloys.
  • alloys having mechanical, thermal and electrical properties allowing them to be used in sensors that are highly stressed both thermally and mechanically, and in particular in sensors used in the field of aeronautics, for example for total air temperature measurement at an engine inlet or else for measurements on the outside of aircraft.
  • deiced total air temperature sensors of the type shown in FIG. 1 are already known.
  • Such a sensor 1 has in particular an air intake 11 attached to a profiled body 2 in which a duct 3 is made, allowing flow of the fluid which is to be measured and communicating with the air intake via an inertial separation region 4 .
  • This region separates, from the air, the components of relatively large mass compared with the latter (namely water, ice, sand, etc.) by centrifugation, these components being removed from the sensor through an ejection region 5 on the opposite side from the air intake.
  • holes 6 are provided in the wall of the latter, on the opposite side from the ejection region 5 , and communicate with the outside via a chamber 7 that extends transversely through the thickness of the profiled body 2 .
  • the pressure differential existing between the inside and the outside of the sensor allows suction of the boundary layer via the holes 6 .
  • the air intake 11 /profiled body 2 /duct 3 /inertial separation region 4 /ejection region 5 assembly is electrically de-iced by resistance heating elements.
  • a component forming a measurement sensor extends along the inside of said duct 3 .
  • This component 9 is, for example, a platinum wire constituting a thermometer resistance thermally isolated from the profiled body 2 .
  • thermometer resistance or heating resistance element are connected to a connection socket 10 .
  • the profiled body of this sensor is generally made of a beryllium-copper alloy.
  • beryllium-copper alloys exhibit excellent mechanical, thermal and electrical properties in their various metallurgical states: a yield strength of 150 to 1000 MPa and higher, a tensile strength of 300 to 1000 MPa and higher, an elongation at break of up to 60% and a thermal conductivity of 100 W/m.K and higher.
  • beryllium metal dust is, however, toxic and presents a hazard to an operator during machining or assembling operations.
  • the invention itself proposes a Cu—Al—Ni—Fe alloy containing from 3 to 6 wt % aluminum, from 3 to 6.5 wt % nickel, from 1 to 4.5 wt % iron, from 0.1 to 1 wt % silicon, from 0.1 to 1 wt % manganese and from 0.05 to 1 wt % tin, the other chemical elements having contents by weight of less than 1%, and the balance is copper.
  • a sensor comprises a structure of the type illustrated in FIG. 1, in which the part constituting the profiled body 2 and the air intake 11 is made of a Cu—Al—Ni—Fe alloy having as composition:
  • the elements other than Cu, Al, Ni, Fe, Si, Mg and Sn have contents by weight of less than 1%.
  • the balance is made up by copper.
  • the mechanical properties are around 200 MPa and higher in the case of the yield strength, 300 MPa and higher in the case of the tensile strength, 10% and higher in the case of the elongation at break and 50 W/m.K and higher in the case of the thermal conductivity.
  • Such an alloy exhibits excellent castability properties.
  • a foundry treatment this may be a crude foundry treatment, a foundry treatment with a heat treatment, and these may or may not be followed by forming treatments (for example machining), a foundry treatment followed immediately by forming operations (for example machining).
  • the alloy also exhibits excellent machinability.
  • the senor includes at least one component made of an alloy of the aforementioned type.
  • this is a sensor for measuring at least one physical parameter, such as temperature, pressure, flow rate, velocity, impact.
  • the proposed sensor is a sensor provided with thermal deicing means for measuring at least one physical parameter on a stream of fluid.
  • the sensor proposed is, for example, a sensor for measuring physical parameters at the inlet of an engine or on the outside of an aircraft.
  • the elements other than Cu, Al, Ni, Fe, Si, Mg and Sn have contents by weight of less than 0.1%.
  • an alloy used to produce the sensor body is advantageously an alloy whose composition comprises around 4.5 wt % aluminum, around 4 wt % nickel, around 2 wt % iron, around 0.5 wt % silicon, around 0.3 wt % manganese and around 0.1 wt % tin.
  • Such an alloy has a yield strength of 230 MPa, a tensile strength of 400 MPa, an elongation at break of 18% and a thermal conductivity of 70 W/m.K

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
US10/732,590 2002-12-23 2003-12-10 Cu-Al-Ni-Fe alloy and sensor for measuring a physical parameter comprising a component made of such an alloy Abandoned US20040118487A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/005,824 US9340853B2 (en) 2002-12-23 2007-12-28 Cu—Al—Ni—Fe alloy and sensor for measuring a physical parameter comprising a component made of such an alloy

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0216506A FR2849060B1 (fr) 2002-12-23 2002-12-23 Alliage cu-al-ni-fe et sonde pour la mesure d'un parametre physique comportant un element dans un tel alliage
FR0216506 2002-12-23

Related Child Applications (1)

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US12/005,824 Continuation-In-Part US9340853B2 (en) 2002-12-23 2007-12-28 Cu—Al—Ni—Fe alloy and sensor for measuring a physical parameter comprising a component made of such an alloy

Publications (1)

Publication Number Publication Date
US20040118487A1 true US20040118487A1 (en) 2004-06-24

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US10/732,590 Abandoned US20040118487A1 (en) 2002-12-23 2003-12-10 Cu-Al-Ni-Fe alloy and sensor for measuring a physical parameter comprising a component made of such an alloy

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US (1) US20040118487A1 (fr)
FR (1) FR2849060B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9340853B2 (en) 2002-12-23 2016-05-17 Auxitrol Sa Cu—Al—Ni—Fe alloy and sensor for measuring a physical parameter comprising a component made of such an alloy
FR2922898B1 (fr) * 2007-10-31 2009-12-04 Auxitrol Sa Perfectionnements aux alliages cu-al-ni-fe et sonde pour la mesure d'un parametre physique comporatant un element dans un tel alliage

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5021105A (en) * 1986-09-30 1991-06-04 The Furukawa Electric Co., Ltd. Copper alloy for electronic instruments
US20040115089A1 (en) * 1999-07-02 2004-06-17 Berkenhoff Gmbh. Weld-solder filler

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB744523A (en) * 1951-05-03 1956-02-08 Specialloid Ltd Aluminium bronze piston rings
GB873404A (en) * 1959-04-02 1961-07-26 Reynolds Metals Co Improvements in pistons
DE1558471A1 (de) * 1967-02-03 1970-03-19 Dies Dr Ing Kurt Kupferlegierung fuer Ventilfuehrung
AU8343175A (en) * 1974-10-04 1977-02-03 Olin Corp High strength, corrosion resistant cubase-si-sn alloys with good strength to bend ductility
SU780083A1 (ru) * 1976-03-05 1980-11-15 Воронежский Политехнический Институт Зондовое устройство
GB1554843A (en) * 1978-03-13 1979-10-31 Swinburne & Sons Ltd M W Golf clubs
US4589938A (en) * 1984-07-16 1986-05-20 Revere Copper And Brass Incorporated Single phase copper-nickel-aluminum-alloys
US5104457A (en) * 1988-02-23 1992-04-14 Country Club Golf Equipment (Proprietary) Limited Golf clubs and method of making thereof
DE19930741A1 (de) * 1999-07-02 2001-01-11 Berkenhoff Gmbh Schweiß-Löt-Zusatzwerkstoff
JP2002318248A (ja) * 2001-04-20 2002-10-31 Kanai Hiroaki プローブカード用プローブピン

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5021105A (en) * 1986-09-30 1991-06-04 The Furukawa Electric Co., Ltd. Copper alloy for electronic instruments
US20040115089A1 (en) * 1999-07-02 2004-06-17 Berkenhoff Gmbh. Weld-solder filler

Also Published As

Publication number Publication date
FR2849060B1 (fr) 2005-12-30
FR2849060A1 (fr) 2004-06-25

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AS Assignment

Owner name: AUXITROL SA, FRANCE

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:LHUILLIER, BRUNO;REEL/FRAME:014795/0172

Effective date: 20031128

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION