WO1997034026A1 - Revetement de materiaux - Google Patents

Revetement de materiaux Download PDF

Info

Publication number
WO1997034026A1
WO1997034026A1 PCT/IB1997/000307 IB9700307W WO9734026A1 WO 1997034026 A1 WO1997034026 A1 WO 1997034026A1 IB 9700307 W IB9700307 W IB 9700307W WO 9734026 A1 WO9734026 A1 WO 9734026A1
Authority
WO
WIPO (PCT)
Prior art keywords
metal
coating
base material
web
ceramic
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.)
Ceased
Application number
PCT/IB1997/000307
Other languages
English (en)
Inventor
Matthaus Gotz
Ferdinand Cornelius Antonius Johannes VAN RODIJNEN
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.)
OSU-MASCHINENBAU GmbH
CERMA SHIELD Pty Ltd
Original Assignee
OSU-MASCHINENBAU GmbH
CERMA SHIELD Pty Ltd
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 OSU-MASCHINENBAU GmbH, CERMA SHIELD Pty Ltd filed Critical OSU-MASCHINENBAU GmbH
Priority to AU21055/97A priority Critical patent/AU2105597A/en
Publication of WO1997034026A1 publication Critical patent/WO1997034026A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • 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
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
    • C23C4/14—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying for coating elongate material

Definitions

  • THIS INVENTION relates to the coating of materials. More particularly, the invention relates to a composite, coated material and to a method of fabricating a composite, coated material.
  • a base material to be coated in accordance with the invention, may be of the type which is susceptible to damage by the application of heat, by a high energy impact or by being pierced with a sharp or pointed object.
  • a method of fabricating a composite, coated material including the steps of providing a base material of the type described; applying a layer of a low melting point metal to at least one surface of the base material; and entraining particles of a wear-resistant material in a fluid stream and causing the fluid stream with the particles entrained therein to impinge on the, or each, metal layer such that a phase of the wear resistant material bonds to the metal layer.
  • the wear resistant material may comprise a ceramic or cermet (hereinafter the term "ceramic" is used in a broad sense to include a cermet) .
  • the method may include, prior to the fluid stream impinging on the metal layer, removing thermal energy from the fluid stream.
  • the thermal energy may be removed from the fluid stream via a hot gas separator which emits a gas jet at substantially right angles to a direction of flow of the fluid stream.
  • the base material to be coated may, in particular, be a textile and the method may thus include providing the base material in a web form, supporting the web in a tensioned manner over a plurality of rollers and feeding the web through a coating installation. At least one of the rollers may be adjustably mounted for controlling tension imparted to the web and for inhibiting the formation of wrinkles in the web.
  • the method may include controlling the velocity at which the web moves through the coating installation.
  • the method may include cooling the web to maintain the temperature of the web below a predetermined temperature, for example, approximately 60°C. - 3 -
  • the method may include producing the low melting point metal by melting two different metals together, in an arc spraying system.
  • the arc spraying system may be a closed nozzle arc spraying system.
  • the method may include atomizing the metal so produced into a fine particle stream which is applied to the base material.
  • a first cooling arrangement may be arranged downstream of the arc spraying system with a second cooling arrangement being arranged downstream of the hot gas separator.
  • the method may include applying the wear resistant material to the metal layer using a thermal spraying technique, preferably a high velocity oxygen fuel spraying technique or a plasma spraying technique.
  • the method may include entraining ceramic particles in the fluid stream using a high velocity oxygen fuel thermal spraying device.
  • the second cooling arrangement may be arranged downstream of the device.
  • the method may include causing the arc spraying system and the device to traverse the web, from one edge of the web to the other, at a predetermined velocity, to facilitate , appropriate coating of the web.
  • the device used to deposit the ceramic on the web may be of the type which utilises both a gas and a liquid fuel.
  • the method may include utilising a gas fuel to impart thermal energy to the ceramic particles and a liquid fuel to generate sufficiently high particle velocities to give the ceramic particles sufficient kinetic energy to bond with the metal layer.
  • the method may include extracting metal dust particles to inhibit settling of such dust particles on the base material and which may adversely affect the bonding or density of the applied coating.
  • a composite, coated material which includes a base material of the type described; and a coating applied to at least one surface of the base material, the coating including a metal portion comprised of a low melting point metal and a wear resistant portion of a wear resistant material.
  • the base material may be a textile comprising a plurality of interwoven fibres.
  • the textile may be a high strength, flexible textile which is lightweight and energy absorbent.
  • the fibres may be selected fro the group comprising natural materials, synthetic materials, metallic materials and combinations of these materials.
  • the metal of the metal portion of the coating may be selected so that a temperature of the base material, when the metal is applied, is retained below a predetermined value.
  • the metal may be selected so that the temperature of the base material, when the metal is applied, is retained in the region of 60°C or below.
  • the metal of the metal portion of the coating may be selected from the group comprising zinc, tin, aluminium, copper, antimony, lead, and alloys thereof.
  • the wear resistant portion of the coating may comprise a ceramic, as defined.
  • the ceramic may be applied to the metal portion in a single phase where ceramic particles are at least partially embedded in the metal portion. Instead, the ceramic may be applied as a single, continuous phase as a separate layer to overlie the metal coating.
  • Figure l shows a schematic view of a composite, coated material, in accordance with a first embodiment of the invention
  • Figure 2 shows a schematic sectional view of a composite, coated material in accordance with a second embodiment of the invention.
  • Figure 3 shows a schematic representation of a method of fabricating a composite, coated material.
  • FIG. 1 of the drawings a composite, coated material, in accordance with a first embodiment of the invention, is illustrated and is designated generally by the reference numeral 10.
  • the coated material 10 comprises a base material in the form of a textile 12 comprising a plurality of interwoven fibres 14. Any suitable natural or synthetic fibres 14 may constitute the textile 12.
  • the textile 12 is selected to have properties of high strength, energy absorbency, fluidity, lightweight and ease of manufacture.
  • the fibres, when synthetic can be of a high strength polyethylene and aramid material where the coated material is to be used in body armour applications. H owever, the fibres 14 of the textile 12 could also be natural fibres such as cotton, wool, silk, or the like, and/or metallic fibres.
  • a low melting point metal layer 16 is applied to a surface 18 of the textile 12 to bond with the fibres 14.
  • the metal layer 16 is, normally, an alloy of various metals such as zinc, tin, aluminium, copper, antimony, lead, or the like.
  • the metal layer 16 acts as a mechanical key for the textile 12 and further acts as a thermal barrier for the textile 12 when a wear resistant material 20 is applied to the metal layer 16.
  • the wear resistant material 20 is a ceramic (as defined) which is applied in a single continuous phase or layer to the metal layer 16.
  • the wear resistant material 20 is in a single phase where individual particles 22 are at least partially embedded in the metal layer 16.
  • the wear resistant material is a pure ceramic such as A1 2 0 3 , A1 2 0 3 Ti0 2 , A10 3 MgO, A1 2 0 Si0 2 , A1 2 0 3 Cr 2 0 3 SiO,, Zr0 2 MgO, Zr0 2 CaO, Zr0Y 2 0 3 - ⁇ i0 2 , Cr 2 0 3 , or the like.
  • the ceramic is a hard metal phase cermet such as WC - Co, CrC NiCr, TiC NiCr, TiC FeCr, or the like.
  • the ceramic could comprise combinations of the above materials.
  • the metal layer 16 has a coating thickness of approximately 5 to 100 ⁇ m and a specific density of 20 to 4000 g/m 2 .
  • the wear resistant material 20 is in the form of a separate layer, as shown in Figure 1 of the drawings, the layer has a coating thickness of approximately 2 to 100 ⁇ m with a specific density of 2 to 1000 g/m 2 .
  • the equipment 30 includes a coating installation in the form of a booth I'-2 with dust extraction ports 34 defined therein.
  • a base material, being the textile 12, to be coated is provided in the form of a web 36 which is fed into the coating booth 32.
  • the web 36 is supported on a plurality of rollers 38. As illustrated, one of the rollers 38.1 is adjustable for maintaining tension in the web 36 so as to inhibit the formation of wrinkles in the web 36.
  • the equipment.30 includes a closed nozzle arc spraying system 40 having a first feed 42 for a first metal and a second feed 44 for a second metal.
  • the system 40 includes a high pressure compressed air feed 46 which atomises the molten, metallic particles into a fine particle stream 48 which is sprayed on to a surface of the web 36 travelling past the stream 48 in the direction of arrow 50.
  • the speed of the web 36 is maintained at a constant velocity of approximately 1 to 5 m/s so that the metal layer 16 is applied in a substantially uniform manner to the surface of the web 36.
  • the metals used in the feeds 42 and 44 are copper and zinc base alloys which are melted in the system 40 to be sprayed on to the web 36.
  • cooling elements 52 and 54 are arranged downstream of the system 40 for spraying cooling fluid on to the web 36 to • maintain it at a temperature below 60°c during the application of the metal layer 16.
  • the equipment 30 further includes a high velocity oxygen fuel thermal spraying device 56 for spraying ceramic on to the metal layer 16.
  • the device 56 is arranged downstream of the closed nozzle arc spraying system 40.
  • the system 40 is mounted on a carrier 58 and the device 56 is mounted on a carrier 60.
  • the carriers 58 and 60 move in synchronization, to cause the particle stream 48 and a fluid stream 62 emitted from the device 56 to traverse the web 36 from one edge of the web 36 to the other.
  • the device 56 includes a feed line 64 for feeding the hard ceramic, in particulate form, into the device 56.
  • the device ⁇ 56 has a gas feed line 66 and a liquid feed line 68 for feeding a gas and liquid fuel, respectively, into the device 56.
  • the fluid stream 62 emitted from the device 56 comprises the gas, the liquid fuel and the ceramic particles entrained therein.
  • a hot gas separator 70 is arranged downstream of an outlet of the device 56.
  • a stream 72 emitted by the separator 70 intersects the fluid stream 62 at substantially right angles to the fluid stream 62.
  • the stream 72 has the effect of reducing the thermal energy of the particles so as to inhibit penetration of the ceramic particles through the metal layer 16.
  • the particles can pass through the stream 72 substantially undisturbed apart from the reduction in thermal energy thereof.
  • the gas used in the stream 72 is air, carbon dioxide or nitrogen. The same gases are used in the cooling arrangements 52 and 54.
  • the carriers 58 and 60 traverse the web 36 at a speed of approximately two metres per minute which is controlled to provide the required consistency of coating.
  • a process of coating fragile materials whereby a wear resistant layer can be applied to the material with little likelihood of damaging the material.
  • a material coated.in accordance with the invention shows resistance to heat and to penetration by sharp or pointed objects.
  • the coated material is provided in a number of layers .

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Laminated Bodies (AREA)
  • Coating By Spraying Or Casting (AREA)

Abstract

Cette invention concerne un procédé de fabrication d'un matériau composite enrobé, lequel procédé comprend les étapes suivantes: préparer un matériau de base; appliquer sur une surface au moins du matériau de base, une couche d'un métal qui possède un point de fusion peu élevé; introduire des particules d'un matériau résistant à l'usure dans un flux fluide; et enfin, précipiter ce flux fluide contenant lesdites particules contre la couche métallique ou contre chacune des couches, ceci de manière à ce qu'une phase du matériau résistant à l'usure se fixe sur la couche métallique.
PCT/IB1997/000307 1996-03-13 1997-03-12 Revetement de materiaux Ceased WO1997034026A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU21055/97A AU2105597A (en) 1996-03-13 1997-03-12 The coating of materials

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA96/2024 1996-03-13
ZA962024 1996-03-13

Publications (1)

Publication Number Publication Date
WO1997034026A1 true WO1997034026A1 (fr) 1997-09-18

Family

ID=25585589

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB1997/000307 Ceased WO1997034026A1 (fr) 1996-03-13 1997-03-12 Revetement de materiaux

Country Status (2)

Country Link
AU (1) AU2105597A (fr)
WO (1) WO1997034026A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000015860A1 (fr) * 1998-09-14 2000-03-23 Frenzelit-Werke Gmbh & Co. Kg Procede pour produire des corps moules

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2474273A (en) * 1946-03-07 1949-06-28 Raymond G Olson Fabric reinforcement
US2972185A (en) * 1958-04-14 1961-02-21 Helen E Brennan Method of producing strip material
GB1083792A (en) * 1963-08-22 1967-09-20 Avco Corp A substrate and method of coating by spraying
DE1646667A1 (de) * 1967-12-09 1971-09-02 Langlet Weber Kg Oberflaechenv Verfahren zum Aufspritzen einer Keramikschicht auf einen Grundkoerper
US3775208A (en) * 1970-09-01 1973-11-27 Bbc Brown Boveri & Cie Method of applying protective films to plastic surfaces through an intermediate stratum
FR2228861A1 (fr) * 1973-05-09 1974-12-06 Bosch Gmbh Robert
GB1468859A (en) * 1974-06-19 1977-03-30 Ici Ltd Coating fabrics
US4228339A (en) * 1978-12-28 1980-10-14 Hughes Tool Company Method of hardfacing tool joints
FR2540889A1 (fr) * 1983-02-16 1984-08-17 Castolin Sa Procede pour former un revetement resistant a l'usure sur la surface d'un substrat metallique
JPS6322639A (ja) * 1984-12-19 1988-01-30 株式会社クラレ 放射断熱材料
EP0331270A2 (fr) * 1988-03-04 1989-09-06 The Dow Chemical Company Structure fibreuse contenant du carbone revêtue d'un matériau inorganique
RU1813792C (ru) * 1991-02-15 1993-05-07 Белорусский Политехнический Институт Способ металлизации тканей
WO1993009260A1 (fr) * 1991-11-05 1993-05-13 Helmut Strauss Revetement de substrats metalliques ou non metalliques, procede et dispositif de production dudit revetement
JPH07300768A (ja) * 1994-04-26 1995-11-14 Toyobo Co Ltd 金属被覆繊維布帛

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2474273A (en) * 1946-03-07 1949-06-28 Raymond G Olson Fabric reinforcement
US2972185A (en) * 1958-04-14 1961-02-21 Helen E Brennan Method of producing strip material
GB1083792A (en) * 1963-08-22 1967-09-20 Avco Corp A substrate and method of coating by spraying
DE1646667A1 (de) * 1967-12-09 1971-09-02 Langlet Weber Kg Oberflaechenv Verfahren zum Aufspritzen einer Keramikschicht auf einen Grundkoerper
US3775208A (en) * 1970-09-01 1973-11-27 Bbc Brown Boveri & Cie Method of applying protective films to plastic surfaces through an intermediate stratum
FR2228861A1 (fr) * 1973-05-09 1974-12-06 Bosch Gmbh Robert
GB1468859A (en) * 1974-06-19 1977-03-30 Ici Ltd Coating fabrics
US4228339A (en) * 1978-12-28 1980-10-14 Hughes Tool Company Method of hardfacing tool joints
FR2540889A1 (fr) * 1983-02-16 1984-08-17 Castolin Sa Procede pour former un revetement resistant a l'usure sur la surface d'un substrat metallique
JPS6322639A (ja) * 1984-12-19 1988-01-30 株式会社クラレ 放射断熱材料
EP0331270A2 (fr) * 1988-03-04 1989-09-06 The Dow Chemical Company Structure fibreuse contenant du carbone revêtue d'un matériau inorganique
RU1813792C (ru) * 1991-02-15 1993-05-07 Белорусский Политехнический Институт Способ металлизации тканей
WO1993009260A1 (fr) * 1991-11-05 1993-05-13 Helmut Strauss Revetement de substrats metalliques ou non metalliques, procede et dispositif de production dudit revetement
JPH07300768A (ja) * 1994-04-26 1995-11-14 Toyobo Co Ltd 金属被覆繊維布帛

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Derwent World Patents Index; AN 88-068018, XP002034991, "radiation insulating material useful for blind,etc..." *
DATABASE WPI Derwent World Patents Index; AN 94-247178, XP002034990, ELISTRATOV: "fabric metallization" *
PATENT ABSTRACTS OF JAPAN vol. 096, no. 003 29 March 1996 (1996-03-29) *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000015860A1 (fr) * 1998-09-14 2000-03-23 Frenzelit-Werke Gmbh & Co. Kg Procede pour produire des corps moules

Also Published As

Publication number Publication date
AU2105597A (en) 1997-10-01

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