EP2450118A1 - Procédé destiné à la fabrication d'un tuyau - Google Patents

Procédé destiné à la fabrication d'un tuyau Download PDF

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Publication number
EP2450118A1
EP2450118A1 EP10196606A EP10196606A EP2450118A1 EP 2450118 A1 EP2450118 A1 EP 2450118A1 EP 10196606 A EP10196606 A EP 10196606A EP 10196606 A EP10196606 A EP 10196606A EP 2450118 A1 EP2450118 A1 EP 2450118A1
Authority
EP
European Patent Office
Prior art keywords
carrier element
coating material
layer
coating
angle
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
EP10196606A
Other languages
German (de)
English (en)
Other versions
EP2450118B1 (fr
Inventor
Erik Bähr
Peter Heinrich
Helmut Höll
Peter Sen. Richter
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.)
Linde GmbH
Original Assignee
Linde GmbH
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 Linde GmbH filed Critical Linde GmbH
Publication of EP2450118A1 publication Critical patent/EP2450118A1/fr
Application granted granted Critical
Publication of EP2450118B1 publication Critical patent/EP2450118B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D23/00—Casting processes not provided for in groups B22D1/00 - B22D21/00
    • B22D23/003—Moulding by spraying metal on a surface
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C24/00—Coating starting from inorganic powder
    • C23C24/02—Coating starting from inorganic powder by application of pressure only
    • C23C24/04—Impact or kinetic deposition of particles

Definitions

  • the present invention relates to a method for producing a tube, wherein a carrier element is coated by means of a thermal spraying method and the material of the later formed tube is selected as coating material, and wherein subsequently the coating forming the tube is released from the carrier element.
  • a block or billet of, for example, steel cylinders is first formed into a billet, a short and thick-walled tube. This billet is then further processed in a subsequent process step by, for example, the pilgering process or the cross rolling to a tube of thinner diameter.
  • seamless tubes have also been produced by various thermal spraying techniques.
  • a powder coating material is introduced into a heated process gas jet.
  • the powder particles melt or on.
  • the process gas is sprayed onto a carrier element, so that a layer is formed on the carrier element.
  • the layer must fulfill two requirements. For one thing, the layer should adhere to the carrier element during the process. Because only in this way can a pipe be made with fixed specifications.
  • the coating material or later the finished tube can be as easily as possible detached from the carrier element in order to avoid subsequent damage to the tube.
  • seamless tubes are produced by means of a cold spraying process and then the finished tube is released from the carrier element by cooling or heating the tube and / or the carrier element or, alternatively, the carrier element is melted, vaporized or broken.
  • the material of the coating material and the carrier element there is a high or low adhesion between the coating material and the carrier element.
  • Low adhesion in turn means that the coating material is minimally or not at all adhered to the carrier element during the injection process, but is very easy to detach from the carrier element after completion. This in turn can cause complications during the application of the layer to the support member.
  • a thermal spraying process is used for producing a pipe, in particular a seamless pipe, by means of which a high adhesive tensile strength is provided.
  • the adhesive tensile strength results from the relationship between adhesion and layer properties. While the layer properties are largely due to the materials of coating material and carrier element as well as to the gas and the temperature used for this purpose, the adhesion properties are adaptable or adjustable according to the invention via the spray angle.
  • the spray angle is selected in the inventive method so that adhesion is sufficient, so that the coating material adheres to the carrier element, and at the same time is so low that the tube after completion without the use of costly process steps can be easily solved by the support element.
  • the process gas is sprayed in the solder onto the carrier element, so that maximum adhesion forms between the coating material and the carrier element.
  • the process gas is sprayed parallel to the carrier element. This creates no contact and thus no adhesion between the coating material and the carrier element.
  • An injection angle, which causes sufficient adhesion between the coating material and the carrier element, is therefore between more than 0 ° and 90 °.
  • the above considerations apply analogously to the angular range of 90 ° to 180 ° (spraying from the "other side"). In the following, for the sake of simplicity, reference will only be made to the acute angle range (0 ° to 90 °).
  • a flange-like layer is applied at an angle of 90 ° to the carrier element, so that, due to a specific layer thickness, an edge of the layer directed towards the carrier element is formed.
  • the jet of the process gas is aligned with the spray device so that the angle to the flank of the layer is about 90 °. In this angular position, the sprayer then remains until the completion of the coating, so that a uniform dense and non-porous layer with low adhesion at the same time.
  • a hollow mandrel is selected as the carrier element, the outer surface of which is coatable with the coating material.
  • the tube gets its shape.
  • the corresponding diameter of the pipe can be selected.
  • the coating material must be released from the carrier element. This is preferably done by introducing a coolant into the hollow mandrel so that the entire inner surface of the mandrel is cooled.
  • the coolant may be carbon dioxide (CO 2 ) or nitrogen (N 2 ), in particular in the liquid state.
  • the introduction of the coolant leads to a shock-like shrinking process of the mandrel, wherein the mandrel changes in size, so that the coating material dissolves from the mandrel, without this being damaged. After the mandrel returns to ambient temperature, it expands to its initial size and can be used for the next manufacturing process.
  • a cold gas spraying process is preferably used.
  • the method is characterized in that the powder particles of the coating material are not heated to the melting temperature, but are sprayed onto the carrier element with high pressure (temperature approx. 600 ° C, particle velocity> 1000m / s). Layers of extreme adhesion strengths can be produced which are extremely dense and nonporous. Due to the relatively low temperature compared to other thermal spray processes, the spray material is thermally influenced little and much less oxidized. Also, the coated substrate shows no material change due to heat. Methods of cold gas spraying are also in the patent WO 2009/109016 described.
  • the cold gas spraying process allows the use of titanium as a coating material.
  • the corrosion- and temperature-resistant titanium is heated only to the extent that it can be applied to the carrier element by means of the cold gas spraying method, without losing its strength properties. At higher temperatures, the titanium would become brittle quickly.
  • support element preferably aluminum is used.
  • Aluminum is a highly corrosion-resistant element that is easy to mold at low temperatures. Upon introduction of coolant into the hollow mandrel, which in the preferred embodiment is aluminum, the mandrel shrinks, thereby releasing the coating material from the mandrel.
  • a preferred embodiment of the spray system is designed so that move during the coating process, the carrier element and the spray device relative to each other, in particular parallel to the surface of the carrier material. There is a movement of Spray device and carrier element with different speeds in the same direction as well conceivable, as an opposite direction of the carrier element and spray device. Likewise, it is provided that either only the carrier element or only the spray device move in one direction.
  • FIG. 1 shows the carrier element 1 in the form of a hollow mandrel, the spray device 2, the flange-like layer 3, the process gas jet 4 and the coating 5 consisting of the coating material.
  • the position A of the spray device 2 serves to apply the flange-like layer 3 to the carrier element 1, wherein the process gas jet 4 strikes the carrier element 1 at an angle of 90 ° 6b.
  • Carrier element 1 and spray device 2 do not move in this case in the axial direction of the mandrel to each other.
  • the process gas jet 4 with the powdery coating material located therein is directed perpendicular to the carrier element 1, so that the flange-like layer 3 with a certain height, preferably 0.5 to 20 mm, is formed.
  • the finished tube is then about as thick as the flange.
  • the position of the spray device 2 changes. This is illustrated by an intermediate position B.
  • the exact position C of the spray device 2 is selected.
  • the process gas jet 4 is aligned by means of the spray device 2 in the solder 6a to the flank 9 of the flange-like layer 3.
  • the angle 6a between propagation direction of the process gas jet 4 and flank 9 of the flange-like layer 3 is substantially 90 °, wherein a possible deviation from the solder should not be more than +/- 10 °.
  • flank angle 7 and the spray angle 8 In addition to the 90 ° angle 6a, there are two more angles that are important.
  • a flank angle 7 is formed between the flank 9 and the carrier element 1. This angle describes the angle at which the flank 9 of the flange-like layer 3 faces the carrier element 1.
  • a uniform layer 5 of the coating material is sprayed onto the carrier element 1, the coating 5 having optimum layer properties with low adhesion.
  • FIG. 2 shows the sequential process steps of the invention
  • the image 1 is only an example of a spray angle 8 of 0 ° show and thus is not to be regarded as a process step.
  • the inventive method begins with Figure 2.
  • Figure 2 first, the flange-like layer 3 is sprayed onto the carrier element 1, wherein the spray device 2 is aligned at 90 ° angle 6b to the support element 1.
  • the spray device 2 is changed in its position so that the process gas jet 4 is at 90 ° angle 6a to the flank 9 of the flange layer 3.
  • the spray device 2 moves in image 3, for example, in the axial direction of the mandrel and parallel to the surface of the support member 1, while the mandrel 1 rotates about its longitudinal axis to form the tube circumference.
  • Figure 4 the approach of a coating 5 of the coating material on the support element 1 can be seen.
  • Figure 8 shows the separation process between tube 10 and mandrel at an advanced stage. After the tube 10 has been completely detached from the carrier element 1 or the mandrel, the finished tube 10 with a predetermined diameter of the selected material, in particular titanium, with the desired layer thickness and the corresponding optimum layer properties.
  • the selected material in particular titanium

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Chemical Vapour Deposition (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
EP10196606.7A 2010-11-04 2010-12-22 Procédé destiné à la fabrication d'un tuyau Not-in-force EP2450118B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010060362A DE102010060362A1 (de) 2010-11-04 2010-11-04 Verfahren zum Herstellen eines Rohres

Publications (2)

Publication Number Publication Date
EP2450118A1 true EP2450118A1 (fr) 2012-05-09
EP2450118B1 EP2450118B1 (fr) 2013-07-24

Family

ID=43807002

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10196606.7A Not-in-force EP2450118B1 (fr) 2010-11-04 2010-12-22 Procédé destiné à la fabrication d'un tuyau

Country Status (4)

Country Link
US (1) US8316916B2 (fr)
EP (1) EP2450118B1 (fr)
AU (1) AU2011244959B2 (fr)
DE (1) DE102010060362A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2925904A4 (fr) * 2012-12-03 2016-08-17 Future Titanium Technology Pty Ltd Procédé de formation de tuyau sans soudure en titane et/ou alliages de titane

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5365723B2 (ja) * 2012-04-24 2013-12-11 新日鐵住金株式会社 穿孔圧延用プラグの製造方法
DE102013216439A1 (de) 2013-05-22 2014-11-27 Siemens Aktiengesellschaft Verfahren zum Erzeugen eines schalenförmigen Bauteils sowie zur Anwendung dieses Verfahrens geeignete Herstellungsanlage
DE102014206073A1 (de) 2014-03-31 2015-10-01 Siemens Aktiengesellschaft Verfahren zum Herstellen eines Hohlkörpers mittels Kaltgasspritzen und zur Durchführung dieses Verfahrens geeigneter Formkern
DE102018120291B3 (de) 2018-08-21 2020-01-02 Sascha Larch Verfahren zur Herstellung eines einen Leichtbau-Drucktank bildenden Leichtbau-Druckbehälters und Leichtbau-Druckbehälter
EP3841323B1 (fr) 2018-08-21 2023-10-04 LARCH, Sascha Procédé de fabrication d'un récipient léger sous pression formant un réservoir léger sous pression et récipient léger sous pression
US20230278099A1 (en) * 2022-03-04 2023-09-07 Goodrich Corporation Systems and methods for manufacturing landing gear components using titanium

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1599392A (en) * 1978-05-31 1981-09-30 Osprey Metals Ltd Method and apparatus for producing workable spray deposits
DE3617833C1 (de) * 1986-05-27 1987-09-03 Mannesmann Ag Verfahren zum Herstellen von rotationssymmetrischen Hohlkoerpern
US5401539A (en) * 1985-11-12 1995-03-28 Osprey Metals Limited Production of metal spray deposits
WO2008049460A1 (fr) * 2006-10-24 2008-05-02 Siemens Aktiengesellschaft PROCÉDÉ POUR RÉGLER LA RUGOSITÉ de surface LORS D'UNE OPÉRATION DE REVÊTEMENT À BASSE TEMPÉRATURE, ET ÉLÉMENT DE CONSTRUCTION
WO2009109016A1 (fr) 2008-03-06 2009-09-11 Commonwealth Scientific And Industrial Research Organisation Fabrication de tuyaux

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5983495A (en) * 1997-12-29 1999-11-16 Ford Global Technologies, Inc. Method of making spray-formed inserts

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1599392A (en) * 1978-05-31 1981-09-30 Osprey Metals Ltd Method and apparatus for producing workable spray deposits
US5401539A (en) * 1985-11-12 1995-03-28 Osprey Metals Limited Production of metal spray deposits
DE3617833C1 (de) * 1986-05-27 1987-09-03 Mannesmann Ag Verfahren zum Herstellen von rotationssymmetrischen Hohlkoerpern
WO2008049460A1 (fr) * 2006-10-24 2008-05-02 Siemens Aktiengesellschaft PROCÉDÉ POUR RÉGLER LA RUGOSITÉ de surface LORS D'UNE OPÉRATION DE REVÊTEMENT À BASSE TEMPÉRATURE, ET ÉLÉMENT DE CONSTRUCTION
WO2009109016A1 (fr) 2008-03-06 2009-09-11 Commonwealth Scientific And Industrial Research Organisation Fabrication de tuyaux

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2925904A4 (fr) * 2012-12-03 2016-08-17 Future Titanium Technology Pty Ltd Procédé de formation de tuyau sans soudure en titane et/ou alliages de titane
AU2013354884B2 (en) * 2012-12-03 2018-03-08 Commonwealth Scientific And Industrial Research Organisation Method of forming seamless pipe of titanium and/or titanium alloys

Also Published As

Publication number Publication date
EP2450118B1 (fr) 2013-07-24
AU2011244959A1 (en) 2012-05-24
AU2011244959B2 (en) 2013-11-28
US8316916B2 (en) 2012-11-27
US20120273152A1 (en) 2012-11-01
DE102010060362A1 (de) 2012-05-10

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