FR3035605B1 - Procede d'obtention de poutre tubulaire creuse raidie en flexion, torsion et compression / flambement et ame de poutre et extremites de poutre obtenues par fusion de poudres et gradients metallurgiques - Google Patents

Procede d'obtention de poutre tubulaire creuse raidie en flexion, torsion et compression / flambement et ame de poutre et extremites de poutre obtenues par fusion de poudres et gradients metallurgiques Download PDF

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Publication number
FR3035605B1
FR3035605B1 FR1500902A FR1500902A FR3035605B1 FR 3035605 B1 FR3035605 B1 FR 3035605B1 FR 1500902 A FR1500902 A FR 1500902A FR 1500902 A FR1500902 A FR 1500902A FR 3035605 B1 FR3035605 B1 FR 3035605B1
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monobloc
torsion
bending
compression
manufacturing process
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FR1500902A
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FR3035605A1 (fr
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Alain Toufine
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Opt'alm Fr
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Individual
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C7/00Connecting-rods or like links pivoted at both ends; Construction of connecting-rod heads
    • F16C7/02Constructions of connecting-rods with constant length
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/10Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y10/00Processes of additive manufacturing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y80/00Products made by additive manufacturing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J7/00Piston-rods
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/20Direct sintering or melting
    • B22F10/28Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10Processes characterised by the sequence of their steps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2999/00Aspects linked to processes or compositions used in powder metallurgy
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2220/00Shaping
    • F16C2220/20Shaping by sintering pulverised material, e.g. powder metallurgy
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Powder Metallurgy (AREA)

Abstract

L'invention concerne un procédé de fabrication de corps de poutre tubulaire creuse raidie en flexion, torsion et compression/flambement, ainsi que de ses extrémités, monobloc et multi matériaux obtenus par gradient métallurgique et variation des pourcentages des composants des alliages en cours de fabrication. Il permet d'obtenir les deux extrémités et le corps de la poutre dans une même opération et d'un seul tenant, sans autre apport de matière que le métal ou l'alliage ou le matériau composite qui compose la structure. De plus, les renforts internes et externes au corps creux de la poutre sont obtenus de la même manière, avec des variations dans le dosage des composés métalliques ou composites employés lors de la fabrication, en sorte que le produit fini est monobloc 3D et multi matériaux. Ainsi, par rapport à la technique usuelle de formage des corps creux rectiligne de poutre par fluotournage, enfonçage, évidement ou soudage par friction, les caractéristiques globales mécaniques de résistance, rigidité et masse sont fortement améliorées. Apportées localement, les variations dans les pourcentages des composants des métaux, des alliages ou des composites employés, accroissent la ténacité, la résistance. Le procédé de fabrication proposé est particulièrement destiné aux corps de bielle et aux arbres de transmission d'efforts employés dans les systèmes et sous-systèmes de satellites, aux pièces structurales d'aéronefs, aux systèmes de maintien des trains d'atterrissage et des moteurs sur les structures avion, aux axes principaux et secondaires des turbo réacteurs. Le procédé de fabrication proposé est aussi particulièrement destiné aux prothèses d'os longilignes du squelette humain et aux prothèses d'os longilignes du squelette d'équidé, en adaptant les extrémités aux formes géométriques imposées par les articulations des squelettes. Le procédé de fabrication proposé permet également d'obtenir de façon non limitative des profils courbés quelconques autres que rectilignes, pouvant ainsi être monobloc 3D.
FR1500902A 2015-04-28 2015-04-28 Procede d'obtention de poutre tubulaire creuse raidie en flexion, torsion et compression / flambement et ame de poutre et extremites de poutre obtenues par fusion de poudres et gradients metallurgiques Active FR3035605B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1500902A FR3035605B1 (fr) 2015-04-28 2015-04-28 Procede d'obtention de poutre tubulaire creuse raidie en flexion, torsion et compression / flambement et ame de poutre et extremites de poutre obtenues par fusion de poudres et gradients metallurgiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1500902A FR3035605B1 (fr) 2015-04-28 2015-04-28 Procede d'obtention de poutre tubulaire creuse raidie en flexion, torsion et compression / flambement et ame de poutre et extremites de poutre obtenues par fusion de poudres et gradients metallurgiques

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FR3035605A1 FR3035605A1 (fr) 2016-11-04
FR3035605B1 true FR3035605B1 (fr) 2021-08-27

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FR1500902A Active FR3035605B1 (fr) 2015-04-28 2015-04-28 Procede d'obtention de poutre tubulaire creuse raidie en flexion, torsion et compression / flambement et ame de poutre et extremites de poutre obtenues par fusion de poudres et gradients metallurgiques

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3604127B1 (fr) * 2018-08-02 2021-04-28 Safran Landing Systems UK Ltd Ensemble de train d'atterrissage d'avion
EP3623287B1 (fr) 2018-09-17 2021-03-24 Safran Landing Systems UK Limited Composant de train d'atterrissage d'aéronef
FR3087235B1 (fr) * 2018-10-15 2020-12-11 Renault Sas Arbre rotatif equilibre, notamment vilebrequin de moteur, realise en partie par une technique de fabrication additive, procede de fabrication et moteur equipe d'un tel arbre
FR3114365B1 (fr) * 2020-09-23 2022-09-09 Safran Aircraft Engines Bielle creuse
FR3121390B1 (fr) * 2021-03-31 2023-11-03 Renault Sas Biellette de suspension obtenue par une technique de fabrication additive

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10249768B3 (de) * 2002-10-24 2004-07-29 ZF Lemförder Metallwaren AG Verfahren zur Herstellung eines Spurstangengehäuses
FR2883940B1 (fr) * 2005-03-31 2008-10-10 Airbus France Sas Bielle structurale creuse et procede de fabrication d'une telle bielle
DE102009058359A1 (de) * 2009-12-15 2011-06-16 Airbus Operations Gmbh Krafteinleitungsbeschlag für Leichtbaukomponenten
DE202010012407U1 (de) * 2010-08-31 2010-11-25 Leibniz-Institut Für Festkörper- Und Werkstoffforschung Dresden E.V. Kurbelarm
US9266170B2 (en) * 2012-01-27 2016-02-23 Honeywell International Inc. Multi-material turbine components
DE102013219250A1 (de) * 2012-09-26 2014-03-27 Bayerische Motoren Werke Aktiengesellschaft Bauelement im Fahrwerk eines Kraftfahrzeugs mit durch Laserschmelzen aufgebauter Verstärkung
US20140315040A1 (en) * 2013-04-19 2014-10-23 Sikorsky Aircraft Corporation Integrally formed stiffener
FR3006727B1 (fr) * 2013-06-06 2015-11-13 Aircelle Sa Bielle de liaison profilee en deux pieces, prevue pour etre disposee dans un flux d'un moteur d'aeronef
EP2886448B1 (fr) * 2013-12-20 2017-03-08 Airbus Operations GmbH Élément porteur de charge et procédé de fabrication dudit élément

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