US2936229A - Spray-weld alloys - Google Patents

Spray-weld alloys Download PDF

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Publication number
US2936229A
US2936229A US698378A US69837857A US2936229A US 2936229 A US2936229 A US 2936229A US 698378 A US698378 A US 698378A US 69837857 A US69837857 A US 69837857A US 2936229 A US2936229 A US 2936229A
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United States
Prior art keywords
powder
spray
aluminum
alloy
alloys
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Expired - Lifetime
Application number
US698378A
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English (en)
Inventor
Arthur P Shepard
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.)
Metallizing Engineering Co Inc
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Metallizing Engineering Co Inc
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Filing date
Publication date
Application filed by Metallizing Engineering Co Inc filed Critical Metallizing Engineering Co Inc
Priority to US698378A priority Critical patent/US2936229A/en
Priority to FR1209669D priority patent/FR1209669A/fr
Priority to GB28269/58A priority patent/GB843423A/en
Priority to DEM39716A priority patent/DE1198568B/de
Application granted granted Critical
Publication of US2936229A publication Critical patent/US2936229A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B23K35/3046—Co as the principal constituent
    • 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
    • B23K35/3033—Ni as the principal constituent
    • 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
    • B23K35/3033—Ni as the principal constituent
    • B23K35/304—Ni as the principal constituent with Cr as the next major constituent
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • 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
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/06—Metallic material
    • 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
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/06—Metallic material
    • C23C4/067—Metallic material containing free particles of non-metal elements, e.g. carbon, silicon, boron, phosphorus or arsenic
    • 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
    • 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
    • C23C4/129—Flame spraying
    • 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
    • C23C4/131—Wire arc spraying
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/10—Arrangements of light sources specially adapted for spectrometry or colorimetry

Definitions

  • This invention relates to new and useful improvements in spray-weld alloys and in particular in nickel-base and cobalt-base alloys used in the spray-weld process.
  • Such alloys are known in the art, and they contain boron or boron plus silicon to provide fluxing properties. For this reason these alloys are known as self-fluxing alloys and will be hereinafter referred to as such.
  • Such alloys are used for Welding and brazing and particularly for coating materials applied as a fused or welded over-lay on base materials, such as steel or steel alloys.
  • boron and silicon when added to nickel or nickel base alloys, and cobalt or cobalt base alloys, act as fluxer of the alloy and of the surface to be alloyed during the fusing of the alloy when performing the brazing, welding or coating operation. Boron alone may be used in some cases, but superior fluxing action is usually obtained when both boron and silicon are used.
  • Spray-Welding comprises the steps of first metal spraying the alloy onto the surface to be coated, and second, fusing the coating in place.
  • the metal spraying operation can be carried out by any of the known metal spraying techniques, in which the material to be sprayed is fed into a heating zone where it is melted or heat-softened and from which it is, in finely divided form, propelled in molten or heat-plastic condition onto the surface to be coated.
  • the material being fed to the heating zone may be in the form of a rod or in the form of a powder, or in some cases, in the form of a powder bonded together by a plastic material to form a wire, said plastic material being of a nature such that it disintegrates in the heat of the flame, releasing the metal particles.
  • a plastic material to form a wire said plastic material being of a nature such that it disintegrates in the heat of the flame, releasing the metal particles.
  • the tip of the Wire is melted in the heating zone and sufficient energy is applied to the tip of the molten wire by a blast of air or other gas, to cause the molten metal at the tip to subdivide into a fine spray.
  • coatings After coatings have been applied by the metal spraying process, they are thereafter fused in the carrying out of the spray-welding process.
  • fusing may be done in a furnace or, alternatively, by means of heating torches applied directly to the coated surface, or by other means such as induction heating.
  • the self-fluxing alloys heretofore most Widely used in the spray-weld process comprise nickel or nickel-chromium alloys containing boron and silicon.
  • Elements such as carbon may be present in either nickel base or cobalt base alloys as impurities or as desirable components to increase, for instance, the hardness of the spray-welding alloy.
  • the upper limit of carbon content is dictated by the fact that excessive amounts will impart too high a degree of brittleness to 5 the alloy, thereby interfering with the property of ductility.
  • Another frequently occurring component of these spray-welding boron, nickel-base or cobalt base alloys is iron, which should not be normally present in amounts exceeding and preferably not in amounts exceed- 10 .ing 5% by weight of the total alloy.
  • Cobalt base alloys can also be used as self-fluxing alloys for the spray-weld process in place of nickel base alloys.
  • pores in the finished coating may be distributed in systematic arrangements, as the result of the contour of the part being coated and the spraying technique used.
  • clusters of pores appear at such locations as shaft shoulders or in lines over the grooves of V threads, where threading has been used as a means of undercutting and preparation of the 2,936,229,.
  • One object of this invention is to provide a spraywelding powder of the self-fluxing' type, which produces pore-free coatings whenused in' the normal operation of:
  • I in powder formv to. produce a powder mixture in which one or more of the constitutents contain sufficientboron or boron and silicon to perform the self-fluxing function for the entire mixture when the mixture is spray-welded.
  • the aluminumto one or more of the alloy constituents such that the percentage of aluminum in the total-mixture of powder is between 0.2 and 2%'.
  • the aluminum may be added to: such a mixture in theform of a powder or alloyed in another alloy with element or elements which are compatible with such mixture. 7
  • the preferable range of amount of aluminum is between 0.2-0.4% by weight, since whenused in this amount the temperatures belowbut near the melting point, to avoid undue cracking due toshrinkage during freezing;
  • Spray-welding powder for use in the spray-welding 7 process in accordance with this invention comprises any conventional spray-welding powder of the self-fluxing type additionally containing a minor quantity of at least 0.2% aluminum.
  • Such aluminum may be either an alloy constituent of the self-fluxing type alloy or added aluminum effectively eliminates the pores without affect- 7 mg the properties of the powder in any other manner.
  • Thespray-weldpowder should in general have a mesh size below U.S.. standard.
  • the exact mesh size generally depends on the particular equipment used for
  • the particles should allbe belowabout' U.S. standard mesh and not more than 15% of the particles should. be below 325 mesh.
  • aluminum as a de-oxidant, as an alternative to other well known de-oxidizing materials, by adding it to the melt in the manufactureof alloys of the to the powder in other form, such as in the form of alu minum powder.
  • the aluminum may be added in the form of an alloy or combination with another element or elements, such as, for instance, ferro aluminum; provided that such other element or elements do not adversely affect the performance of the powder mixture in the spray-welding process. It is preferred to add'the aluminumto a 'boron, nickel- 7 base, cobalt-base, ornickel/cobalt-base alloy in the form of an alloying element with a percentage of from 0.2 to 0.4% by weight.
  • Example 2 Another example of a spray-weld alloy powder in accordance with this invention is a powder substantially all minus 120 mesh U.S. standard screen size and containing not more than 20% minus 325 U.S. standard screen size, the particles of 'the powder being of a boroncobalt type alloy consisting of 0.5-1.5% carbon, 1.5- 25% boron, 4-5% iron, and optionally and additional 26-30% chromium, 0.2-2% aluminum with cobalt making up the balance.
  • boroncobalt type alloy consisting of 0.5-1.5% carbon, 1.5- 25% boron, 4-5% iron, and optionally and additional 26-30% chromium, 0.2-2% aluminum with cobalt making up the balance.
  • Example 3 Still another example of a spray-weld alloy powder in accordance with this invention is a powder substantially all minus 120 U.S. standard screen size and containing not more than 20% minus 325 U.S. standard screen size, the powder consisting of a 50%50% mechanical mixture of metal particles of a first and second alloy, the first alloy consisting of 0.71% carbon, 3.5-4.5% silicon, 2.75-3.75% boron, 35% iron, and optionally an additional 16-18% chromium with nickel making up the balance; the second such alloy consisting of l6% silicon, 1-6% boron, 3-8% copper, 310% molybdenum, 0.44% aluminum and optionally an additional 16- 20% chromium, -l% carbon, 0-5% iron with nickel making up the balance.
  • the percentage of the aluminum appearing in the m xture in accordance with the invention is 0.2-2%, due to the fact that it occurs in one 50% constituent in the range 0.44%.
  • Example 4 Still another example of a spray-weld alloy powder in accordance with this invention is a powder substantially all minus 120 mesh U.S. standard screen size and containing not more than 20% minus 325 U.S. standard screen size, the particles of the powder being a mixture of powder particles of a boron, nickel type alloy, consisting of 4-5 silicon, 3.54.5% boron, 5-6% copper, 4.55.5% molybdenum, 8l2% chromium, 0-0.2% carbon, 05% iron with nickel making up the balance; and a pure powder aluminum in sufficient quantity to provide 0.2-2% by weight of the entire mixture.
  • Example 5 One alloy in accordance with this invention has the following analysis:
  • a steel shaft having a 2" diameter section 4" long, and with a key-way ,4 x ,4,," x 1" long at one end of the section to be sprayed is prepared for the spray-welding operation by first machining the surface to be coated with a V-thread approximately 30 threads to the inch and with a depth of approximately 75% of full U.S.
  • a steel key, A square is fitted into, the keyway of the shaft before blasting.
  • a coating of A; thickness of the alloy is metal-sprayed in conventional manner over the entire shaft section to be coated while the shaft is rotated in a lathe.
  • the key is then removed by grinding away the edges of the sprayed coating adjacent the key and tapping the key out of the keyway.
  • the shaft While rotating the shaft in alathe, the shaft is preheated, using a conventional oxy-acetylene heating torch over the entire coated section, to a'temperature of approximately 1000 F.
  • the torch is then concentrated at one end of the coated section while the shaft is still rotating, so as to raise the temperature of a small band of the coating.
  • the torch is gradually moved along the coated section of the shaft so as to successively fuse each small band of the coating until the entire coating has been fused.
  • the heating is then stopped and the shaft allowed to cool in air and without any attempt at controlled cooling or heat-insulation.
  • the coated end of the shaft is then ground to a diameter of approximately 2
  • the coating will shrink about 20% during fusing from the original sprayed thickness of 4;". This will still leave sufiicient finish allowance for grinding the coating to a finished thickness of approximately on a side of the shaft.
  • the coating thus applied was found to be completely finish-ground on the diameter, have a relatively small radius on the corner at the edge of the keyway, be firmly adherent at the edges of the keyway, as well as elsewhere, and be free from pores in its entire surface.
  • the spray-weld powder in accordance with this invention is for use in a metal spray gun and may ordinarily be used in a powder type metal spray gun directly without further treatment. However, if it is desired to use the powder in accordance with the invention in a wire type metal spray gun, this may be done, in accordance with known practice as previously described, by binding the particles of powder together with a suitable plastic binder in the form of a rod or Wire.
  • powder is used in the claims to generally designate the powder both in loose form and in bound form as for example in the form of a rod or wire.
  • Example 6 Example 5 was repeated except prior to use, the powder was intimately mixed and dispersed in a melt of high intention that the invention be limited only by the, appended claims or their equivalents wherein I have endeavored to claim broadly all inherent novelty.
  • self fluxing' metal powder essenmay consisting of a base metal selected from the group consistingof nickel, cobalt and combinations thereof, and p 1 containing boron as the sel'f-fluxin'g element, the im-- provement which comprises the powder additionally containing about 0.2 by weight of aluminum;
  • metal powder containing boron as ,the-self-fluxing element the improvement which comprises the alloyed'm-etal powder additionally" containing about 0.2 5%: by weight of aluminum, 7 2
  • aluminum is. present. inv unalloyed, divided-form.
  • a spray-weldabl'e alloy p'owder'of the nickel. base type comprising 0.7 1% carbon, 315-415 silicon, 2.7 5- 3.75%' boron, 3'5% iron, up to [8 chromium, -0.Z-2% aluminum and nickel making up'the balance;
  • a spray-weldable alloy powder of the cobalt base type comprisingO.5-1.5% carbon, 1.5-2.5 boron,.4-5-% iron, up to. 30 chromium, 0';22% aluminum and co balt making up the balance.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Nonmetallic Welding Materials (AREA)
US698378A 1957-11-25 1957-11-25 Spray-weld alloys Expired - Lifetime US2936229A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US698378A US2936229A (en) 1957-11-25 1957-11-25 Spray-weld alloys
FR1209669D FR1209669A (fr) 1957-11-25 1958-08-27 Perfectionnements aux alliages pour métallisation
GB28269/58A GB843423A (en) 1957-11-25 1958-09-03 Improvements in spray-weld metal powders
DEM39716A DE1198568B (de) 1957-11-25 1958-11-24 Verfahren zur Herstellung von porenfreien Spritz-Schweiss-UEberzuegen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US698378A US2936229A (en) 1957-11-25 1957-11-25 Spray-weld alloys

Publications (1)

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US2936229A true US2936229A (en) 1960-05-10

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US698378A Expired - Lifetime US2936229A (en) 1957-11-25 1957-11-25 Spray-weld alloys

Country Status (4)

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US (1) US2936229A (de)
DE (1) DE1198568B (de)
FR (1) FR1209669A (de)
GB (1) GB843423A (de)

Cited By (61)

* Cited by examiner, † Cited by third party
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US3155491A (en) * 1961-12-26 1964-11-03 Gen Electric Brazing alloy
US3211386A (en) * 1962-02-14 1965-10-12 Deutsche Edelstahlwerke Ag Production of hard metal powders
US3238060A (en) * 1964-02-27 1966-03-01 Eutectic Welding Alloys Method for coating metals
US3246981A (en) * 1964-02-27 1966-04-19 Joseph F Quaas Homogenous ductile nickel base alloy weld deposit and method for producing same
US3254970A (en) * 1960-11-22 1966-06-07 Metco Inc Flame spray clad powder composed of a refractory material and nickel or cobalt
US3303024A (en) * 1963-12-23 1967-02-07 Coast Metals Inc Nickel-base brazing alloys
US3305326A (en) * 1963-04-23 1967-02-21 Metco Inc Self-fusing flame spray material
US3313633A (en) * 1963-07-24 1967-04-11 Metco Inc High temperature flame spray powder
US3355287A (en) * 1965-05-26 1967-11-28 Coast Metals Inc Cobalt-base alloys
US3436248A (en) * 1965-03-25 1969-04-01 Metco Inc Flame spraying exothermically reacting intermetallic compound forming composites
US3437480A (en) * 1967-05-09 1969-04-08 Coast Metals Inc Nickel-base alloys containing copper
US3450527A (en) * 1966-12-09 1969-06-17 Eutectic Welding Alloys Welding alloy
US3482967A (en) * 1965-10-22 1969-12-09 Gen Electric Brazing alloy
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DE2355532A1 (de) * 1972-11-08 1974-05-16 Sfec Verfahren zum pulver-auftragschweissen von metallen und legierungen
DE2432125A1 (de) * 1973-07-06 1975-01-23 Metco Inc Flammspritzwerkstoffe
DE2432061A1 (de) * 1973-07-06 1975-01-23 Metco Inc Flammspritzwerkstoffe
US3914867A (en) * 1974-05-23 1975-10-28 Dentsply Res & Dev Dental alloy
US3976481A (en) * 1972-12-12 1976-08-24 Daniil Andreevich Dudko Wear-resistant composite material
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US4175953A (en) * 1978-06-29 1979-11-27 Johnson & Johnson Non-precious dental alloy of Co-Ni-Cr containing Si and B
US4192672A (en) * 1978-01-18 1980-03-11 Scm Corporation Spray-and-fuse self-fluxing alloy powders
US4198234A (en) * 1972-11-10 1980-04-15 Brico Engineering Sintered metal articles
US4240824A (en) * 1979-10-04 1980-12-23 Scm Corporation Process of making nickel or cobalt powder with precipitates
US4268308A (en) * 1975-02-03 1981-05-19 Johnson & Johnson Dental alloys
EP0081170A2 (de) * 1981-12-05 1983-06-15 BBC Brown Boveri AG Hochtemperaturschutzschicht
US4401724A (en) * 1978-01-18 1983-08-30 Scm Corporation Spray-and-fuse self-fluxing alloy powder coating
US4453976A (en) * 1982-08-25 1984-06-12 Alloy Metals, Inc. Corrosion resistant thermal spray alloy and coating method
US4529616A (en) * 1982-08-25 1985-07-16 Alloy Metals, Inc. Method of forming corrosion resistant coating
EP0223135A1 (de) * 1985-11-05 1987-05-27 The Perkin-Elmer Corporation Korrosionsbeständige selbstfliessende Flammspritzlegierungen
US4678635A (en) * 1984-12-20 1987-07-07 Bbc Aktiengesellschaft Brown, Boveri & Cie Metallic joining material
US4692305A (en) * 1985-11-05 1987-09-08 Perkin-Elmer Corporation Corrosion and wear resistant alloy
US4725508A (en) * 1986-10-23 1988-02-16 The Perkin-Elmer Corporation Composite hard chromium compounds for thermal spraying
US4741974A (en) * 1986-05-20 1988-05-03 The Perkin-Elmer Corporation Composite wire for wear resistant coatings
US4814024A (en) * 1987-03-30 1989-03-21 Owens-Illinois Glass Container Inc. Nickel base alloy glass shaping member
US20060210826A1 (en) * 2005-03-21 2006-09-21 Wu James B C Co-based wire and method for saw tip manufacture and repair
US20070236097A1 (en) * 2006-04-06 2007-10-11 Denso Corporation Fuel pump
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US10495590B2 (en) 2013-10-10 2019-12-03 Scoperta, Inc. Methods of selecting material compositions and designing materials having a target property
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US10345252B2 (en) 2013-10-10 2019-07-09 Scoperta, Inc. Methods of selecting material compositions and designing materials having a target property
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US10329647B2 (en) 2014-12-16 2019-06-25 Scoperta, Inc. Tough and wear resistant ferrous alloys containing multiple hardphases
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US10954588B2 (en) 2015-11-10 2021-03-23 Oerlikon Metco (Us) Inc. Oxidation controlled twin wire arc spray materials
US11279996B2 (en) 2016-03-22 2022-03-22 Oerlikon Metco (Us) Inc. Fully readable thermal spray coating
US11939646B2 (en) 2018-10-26 2024-03-26 Oerlikon Metco (Us) Inc. Corrosion and wear resistant nickel based alloys
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GB843423A (en) 1960-08-04
DE1198568B (de) 1965-08-12

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