CN109680201A - A kind of Ni-based spherical carbide tungsten alloy powder of machine barrel wearing layer - Google Patents

A kind of Ni-based spherical carbide tungsten alloy powder of machine barrel wearing layer Download PDF

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Publication number
CN109680201A
CN109680201A CN201910151209.0A CN201910151209A CN109680201A CN 109680201 A CN109680201 A CN 109680201A CN 201910151209 A CN201910151209 A CN 201910151209A CN 109680201 A CN109680201 A CN 109680201A
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spherical
carbide
machine barrel
alloy powder
nickel
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夏增富
夏瑜键
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ZHEJIANG HUAYE PLASTICS MACHINERY CO Ltd
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ZHEJIANG HUAYE PLASTICS MACHINERY CO Ltd
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C30/00—Alloys containing less than 50% by weight of each constituent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
    • B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
    • B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/05—Mixtures of metal powder with non-metallic powder
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/05—Mixtures of metal powder with non-metallic powder
    • C22C1/051—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor
    • 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
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
    • C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
    • C22C19/057—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being less 10%
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
    • C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
    • C22C29/067—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds comprising a particular metallic binder
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
    • C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
    • C22C29/08—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
    • 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
    • C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
    • C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
    • C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
    • B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
    • B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
    • B22F2009/0824—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid with a specific atomising fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
    • B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
    • B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
    • B22F2009/0848—Melting process before atomisation

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  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Powder Metallurgy (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

A kind of Ni-based spherical carbide tungsten alloy powder of machine barrel wearing layer, the formula of the Ni-based spherical carbide tungsten alloy powder is by spherical tungsten carbide, silicon, molybdenum, chromium, boron and nickel at being grouped as, the weight percent of mentioned component are as follows: spherical tungsten carbide 40~45%, silicon 3~5%, molybdenum 1~2%, chromium 7~10%, boron 2~5%, remaining is nickel.Spherical tungsten carbide, silicon, molybdenum, chromium, the weight percent of boron and nickel are preferred are as follows: spherical tungsten carbide 40~45%, silicon 3~5%, molybdenum 1~2%, chromium 7~8%, boron 3~5%, nickel 40~45%.The present invention has the advantages that the formula of Ni-based spherical carbide tungsten alloy powder is simple, melting temperature is low, and at low cost using this formula manufacture wearing layer, manufactured wearing layer fatigue resistance is big, corrosion resistance is strong, sturdy and durable, effectively extends the service life of machine barrel.

Description

A kind of Ni-based spherical carbide tungsten alloy powder of machine barrel wearing layer
Technical field
The present invention relates to a kind of alloy manufacture technology fields, and especially a kind of Ni-based spherical tungsten carbide of machine barrel wearing layer closes Bronze end.
Background technique
It is existing it is a kind of application No. is CN200810054154.3 it is entitled " intaking and exhausting valve sealing surface weld deposit of automobile it is Ni-based Alloy powder " Chinese invention patent application disclose a kind of Co-based alloy powder of intaking and exhausting valve sealing surface weld deposit of automobile, Co-based alloy powder % by weight meter, is made of: Cr:25~27% following composition；Mo:4~6%；Fe:10~15%；Si: 2~3%；B:1.5~2%；C:0.65~0.75%；Ni: surplus.The advantageous effect of the invention is: can substitute cobalt-based alloy powder End, Co-based alloy powder price is equivalent to the 1/3 of Co-based alloy powder price, at low cost, is suitable for automobile, locomotive air inlet and exhaust valve Sealing surface plasma surfacing technique and vacuum drying oven process of smelting, the invention are compared with No. 6 Co-based alloy powders of Stellite, are used Layer after same plasma arc surfacing technique processing, the Volume Loss (mm in wear test3) identical；With the invention with No. 6 Co-based alloy powder hardness of Stellite are compared: the hardness that room temperature is air-cooled to after welding is identical, and hardness HRC is 43；Weldering Hardness is identical under 400~700 DEG C of in-furnace temperatures after connecing, and red hardness is good.However, the abrasion resistant effect of layer made of the powder is not It is ideal, it is difficult to which that the wear-resisting requirement for meeting machine barrel wearing layer is of limited application, therefore the formula of the powder also needs further to change Into.
Summary of the invention
It is simple the technical problem to be solved by the present invention is to provide a kind of formula for above-mentioned state of the art, it melts Temperature is low, and the manufacturing cost of wearing layer is low and is made that rear hardness is high, surface is smooth, sturdy and durable, can effectively improve machine barrel use The Ni-based spherical carbide tungsten alloy powder of the machine barrel wearing layer in service life.
The technical scheme of the invention to solve the technical problem is: the Ni-based spherical tungsten carbide of this machine barrel wearing layer Alloy powder, it is characterised in that: the formula of the Ni-based spherical carbide tungsten alloy powder is by spherical tungsten carbide, silicon, molybdenum, chromium, boron With nickel at being grouped as, the weight percent of mentioned component are as follows: spherical tungsten carbide 40~45%, silicon 3~5%, molybdenum 1~2%, chromium 7~10%, boron 2~5%, remaining is nickel.
As an improvement, spherical tungsten carbide, silicon, molybdenum, chromium, the weight percent of boron and nickel are preferable are as follows: the spherical carbide Tungsten 40~45%, silicon 3~5%, molybdenum 1~2%, chromium 7~8%, boron 3~5%, nickel 40~45%.
It is further improved, spherical tungsten carbide, silicon, molybdenum, chromium, the weight percent of boron and nickel are preferable are as follows: spherical tungsten carbide 40%, silicon 4%, molybdenum 2%, chromium 7%, boron 3%, nickel 44%.
It is further improved, spherical tungsten carbide, silicon, molybdenum, chromium, the weight percent of boron and nickel are preferable are as follows: spherical tungsten carbide 42%, silicon 3.5%, molybdenum 1.5%, chromium 7.5%, boron 3.5%, nickel 42%.
It is further improved, spherical tungsten carbide, silicon, molybdenum, chromium, the weight percent of boron and nickel are preferable are as follows: spherical tungsten carbide 44%, silicon 4%, molybdenum 1%, chromium 8%, boron 3%, nickel 40%.
It is further improved, spherical tungsten carbide, silicon, molybdenum, chromium, the weight percent of boron and nickel are preferable are as follows: spherical tungsten carbide 43%, silicon 5%, molybdenum 2%, chromium 7%, boron 3%, nickel 40%.
As an improvement, spherical tungsten carbide, silicon, molybdenum, chromium, the weight percent of boron and nickel are preferable are as follows: spherical tungsten carbide 44%, silicon 5%, molybdenum 2%, chromium 7%, boron 2%, nickel 40%.
As an improvement, the preparation method of the Ni-based spherical carbide tungsten alloy powder is by following steps:
One, after each ingredient being mixed according to above-mentioned formula form uniformly mixed mixture；
Two, mixture is placed under the vacuum environment for being filled with inert gas and carries out melting；
Three, when the alloy stream flowing formed after melting, high-pressure helium or argon gas are sprayed from high pressure atomizing nozzle and is incited somebody to action High-pressure helium or argon gas are sprayed to alloy stream, are 8~12MPa by injection pressure, and spouting velocity is 2~20m3The helium of/min Or the drop in alloy stream is smashed atomization and forms droplet by argon gas, droplet cooled and solidified and form the Ni-based spherical carbide Tungsten alloy powder, the drop for not smashing atomization are circulated with alloy stream, until drop is smashed the nickel that atomization forms droplet Base spherical carbide tungsten alloy powder, i.e., complete preparation process.
It being further improved, the melting carries out in smelting furnace, and the vacuum degree of the smelting furnace is preferably 1~10Pa, Smelting temperature is preferably 2900~3100 DEG C.
As an improvement, the application method of the Ni-based spherical carbide tungsten alloy powder is to include the following steps,
One, Ni-based spherical carbide tungsten alloy powder is placed in machine barrel inner cavity, Ni-based spherical tungsten carbide alloyed powder will be equipped with The closure of openings at last machine barrel both ends；
Two, machine barrel closed at both ends is placed in temperature is to heat in 1000~1300 DEG C of heating furnaces, and machine barrel is heating It is rotated under driving mechanism driving in furnace with 0.3~0.6 m/min of velocity radial, when the Ni-based spherical carbon in machine barrel inner cavity Change tungsten alloy powder in machine barrel inner cavity behind uniform melt, as the radial rotating of machine barrel is by Ni-based spherical carbide tungsten alloy powder Melt is covered in due to gravity on the inner peripheral surface of machine tube inner wall, while by the Ni-based spherical tungsten carbide alloyed powder after fusing End is aoxidized and is combined together with machine tube inner wall, and the wearing layer of molten condition is formed；
Three, the machine barrel come out in heating furnace is delivered to centrifugation portion to be centrifuged, makes the wearing layer of molten condition more evenly Ground is attached on the internal perisporium of machine barrel；
Four, the machine barrel after centrifugation is delivered to machine barrel insulation portion and tempering is carried out to machine barrel, machine barrel is kept the temperature in machine barrel Portion's tempering is gradually reduced the temperature in machine barrel；The production for completing machine barrel wearing layer is taken out from machine barrel insulation portion.
Compared with the prior art, the advantages of the present invention are as follows: firstly, weight percent accounts for 40~45% and is in power formulations Spherical tungsten carbide, tungsten carbide have the characteristics that with high hardness, and the spherical tungsten carbide in formula can increase the intensity of wearing layer, obtained Wearing layer is sturdy and durable, and corrosion resistance is strong, effectively extends the service life of machine barrel wearing layer；Secondly, the tungsten carbide in formula is in The anti-extrusion stretch-proof effect of spherical shape, spherical all directions uniform force, all directions is all highly desirable, and, shifting smooth with surface The small feature of dynamic resistance, therefore when alloy powder is in molten condition during wearing layer production, spherical tungsten carbide can be with molten Fusion gold stream flowing is uniformly scattered onto wearing layer everywhere, and as the communication center of structure formed even density, be completely embedded it is resistance to Layer structure is ground, manufactured wear-resisting layer surface also becomes more smooth；In addition, since tungsten carbide fusing point is at 2500 DEG C or more, and it is resistance to Grinding layer to be is to be heated in 1000~1300 DEG C of heating furnaces, therefore tungsten carbide can keep spherical shape well, have in temperature Effect realizes the benefit of above-mentioned spherical structure, and in the injection molding of subsequent machine barrel or extrusion processing, wearing layer is equally also not easy temperature distortion, Further extend the service life of machine barrel wearing layer；Finally, in powder heating process as described above, due to have in formula silicon with Boron, and the weight percent of silicon and boron, 2% or more, the silicon and boron of such ratio can reduce the melting temperature of powder, in temperature Molten condition can be presented in powdered ingredients degree is heats in 1000~1300 DEG C of heating furnaces when in addition to tungsten carbide, lower than conventional Wearing layer powder heating temperature, and tungsten carbide is although unfused but to flow to wearing layer with the alloy stream of molten condition each Place does not influence the production of wearing layer, therefore this formula can be reduced heating furnace thermal energy consumption, and wearing layer is effectively reduced and is fabricated to This；In conclusion the formula of this Ni-based spherical carbide tungsten alloy powder is simple, melting temperature is low, is manufactured using this formula wear-resisting Layer is at low cost, and manufactured wearing layer fatigue resistance is big, corrosion resistance is strong, sturdy and durable, effectively extends the service life of machine barrel.
Specific embodiment
Present invention is further described in detail with reference to embodiments.
The Ni-based spherical carbide tungsten alloy powder of the machine barrel wearing layer of the present embodiment, Ni-based spherical carbide tungsten alloy powder Formula by spherical tungsten carbide, silicon, molybdenum, chromium, boron and nickel at being grouped as, the weight percent of mentioned component are as follows: spherical tungsten carbide 40~45%, silicon 3~5%, molybdenum 1~2%, chromium 7~10%, boron 2~5%, remaining is nickel.Spherical tungsten carbide, silicon, molybdenum, chromium, boron It is preferred with the weight percent of nickel are as follows: the spherical tungsten carbide 40~45%, silicon 3~5%, molybdenum 1~2%, chromium 7~8%, boron 3 ~5%, nickel 40~45%.Spherical tungsten carbide, silicon, molybdenum, chromium, the weight percent of boron and nickel are further preferred are as follows: spherical carbide Tungsten 40%, silicon 4%, molybdenum 2%, chromium 7%, boron 3%, nickel 44%.
The preparation method of Ni-based spherical carbide tungsten alloy powder is by following steps:
One, after each ingredient being mixed according to above-mentioned formula form uniformly mixed mixture；
Two, mixture is placed under the vacuum environment for being filled with inert gas and carries out melting；
Three, when the alloy stream flowing formed after melting, high-pressure helium or argon gas are sprayed from high pressure atomizing nozzle and is incited somebody to action High-pressure helium or argon gas are sprayed to alloy stream, are 8~12MPa by injection pressure, and spouting velocity is 2~20m3The helium of/min Or the drop in alloy stream is smashed atomization and forms droplet by argon gas, droplet cooled and solidified and form the Ni-based spherical carbide Tungsten alloy powder, the drop for not smashing atomization are circulated with alloy stream, until drop is smashed the nickel that atomization forms droplet Base spherical carbide tungsten alloy powder, i.e., complete preparation process.Melting carries out in smelting furnace, and the vacuum degree of the smelting furnace is 1 ~10Pa, smelting temperature are 2900~3100 DEG C.In the actual production process, the jet time of high pressure atomizing nozzle is 12~15 Minute.The high pressure gas that the formation of other inert gases can also be sprayed in step 3 mesohigh atomizer, is examined from production cost Consider, selects helium or argon gas relatively reasonable.Ni-based spherical carbide tungsten alloy powder is also possible to spherical tungsten carbide and is formulated other Ingredient is directly mixed to form, and spherical tungsten carbide therein is made by casting.
The application method of Ni-based spherical carbide tungsten alloy powder is to include the following steps,
One, Ni-based spherical carbide tungsten alloy powder is placed in machine barrel inner cavity, Ni-based spherical tungsten carbide alloyed powder will be equipped with The closure of openings at last machine barrel both ends；
Two, machine barrel closed at both ends is placed in temperature is to heat in 1000~1300 DEG C of heating furnaces, and machine barrel is heating It is rotated under driving mechanism driving in furnace with 0.3~0.6 m/min of velocity radial, when the Ni-based spherical carbon in machine barrel inner cavity Change tungsten alloy powder in machine barrel inner cavity behind uniform melt, as the radial rotating of machine barrel is by Ni-based spherical carbide tungsten alloy powder Melt is covered in due to gravity on the inner peripheral surface of machine tube inner wall, while by the Ni-based spherical tungsten carbide alloyed powder after fusing End is aoxidized and is combined together with machine tube inner wall, and the wearing layer of molten condition is formed；
Three, the machine barrel come out in heating furnace is delivered to centrifugation portion to be centrifuged, makes the wearing layer of molten condition more evenly Ground is attached on the internal perisporium of machine barrel；
Four, the machine barrel after centrifugation is delivered to machine barrel insulation portion and tempering is carried out to machine barrel, machine barrel is kept the temperature in machine barrel Portion's tempering is gradually reduced the temperature in machine barrel；The production for completing machine barrel wearing layer is taken out from machine barrel insulation portion.Step In two due to formula in contain silicon 4% and boron 3%, enable Ni-based spherical carbide tungsten alloy powder 1000~1300 DEG C this The lower temperature of sample melts, and therefore the spherical tungsten carbide in Ni-based spherical carbide tungsten alloy powder with high-melting-point due to heating Furnace temperature still keeps sand shaped at 1000~1300 DEG C, and spherical tungsten carbide is flowed with the alloy stream in molten condition and covered Wearing layer is formed on the inner wall of machine barrel.Centrifugation portion can make spherical tungsten carbide be more evenly distributed into machine tube inner wall everywhere.
The Ni-based spherical carbide tungsten alloy powder of the machine barrel wearing layer of second of embodiment, spherical tungsten carbide, silicon, molybdenum, chromium, The weight percent of boron and nickel are as follows: spherical tungsten carbide 42%, silicon 3.5%, molybdenum 1.5%, chromium 7.5%, boron 3.5%, nickel 42%.
The preparation method of Ni-based spherical carbide tungsten alloy powder is by following steps:
One, after each ingredient being mixed according to above-mentioned formula form uniformly mixed mixture；
Two, mixture is placed under the vacuum environment for being filled with inert gas and carries out melting；
Three, when the alloy stream flowing formed after melting, high-pressure helium or argon gas are sprayed from high pressure atomizing nozzle and is incited somebody to action High-pressure helium or argon gas are sprayed to alloy stream, are 8~12MPa by injection pressure, and spouting velocity is 2~20m3The helium of/min Or the drop in alloy stream is smashed atomization and forms droplet by argon gas, droplet cooled and solidified and form the Ni-based spherical carbide Tungsten alloy powder, the drop for not smashing atomization are circulated with alloy stream, until drop is smashed the nickel that atomization forms droplet Base spherical carbide tungsten alloy powder, i.e., complete preparation process.Melting carries out in smelting furnace, and the vacuum degree of the smelting furnace is 1 ~10Pa, smelting temperature are 2900~3100 DEG C.In the actual production process, the jet time of high pressure atomizing nozzle is 12~15 Minute.
The application method of Ni-based spherical carbide tungsten alloy powder is to include the following steps,
One, Ni-based spherical carbide tungsten alloy powder is placed in machine barrel inner cavity, Ni-based spherical tungsten carbide alloyed powder will be equipped with The closure of openings at last machine barrel both ends；
Two, machine barrel closed at both ends is placed in temperature is to heat in 1000~1300 DEG C of heating furnaces, and machine barrel is heating It is rotated under driving mechanism driving in furnace with 0.3~0.6 m/min of velocity radial, when the Ni-based spherical carbon in machine barrel inner cavity Change tungsten alloy powder in machine barrel inner cavity behind uniform melt, as the radial rotating of machine barrel is by Ni-based spherical carbide tungsten alloy powder Melt is covered in due to gravity on the inner peripheral surface of machine tube inner wall, while by the Ni-based spherical tungsten carbide alloyed powder after fusing End is aoxidized and is combined together with machine tube inner wall, and the wearing layer of molten condition is formed；
Three, the machine barrel come out in heating furnace is delivered to centrifugation portion to be centrifuged, makes the wearing layer of molten condition more evenly Ground is attached on the internal perisporium of machine barrel；
Four, the machine barrel after centrifugation is delivered to machine barrel insulation portion and tempering is carried out to machine barrel, machine barrel is kept the temperature in machine barrel Portion's tempering is gradually reduced the temperature in machine barrel；The production for completing machine barrel wearing layer is taken out from machine barrel insulation portion.
The Ni-based spherical carbide tungsten alloy powder of the machine barrel wearing layer of the third embodiment, spherical tungsten carbide, silicon, molybdenum, chromium, The weight percent of boron and nickel are as follows: spherical tungsten carbide 44%, silicon 4%, molybdenum 1%, chromium 8%, boron 3%, nickel 40%.
The preparation method of Ni-based spherical carbide tungsten alloy powder is by following steps:
One, after each ingredient being mixed according to above-mentioned formula form uniformly mixed mixture；
Two, mixture is placed under the vacuum environment for being filled with inert gas and carries out melting；
Three, when the alloy stream flowing formed after melting, high-pressure helium or argon gas are sprayed from high pressure atomizing nozzle and is incited somebody to action High-pressure helium or argon gas are sprayed to alloy stream, are 8~12MPa by injection pressure, and spouting velocity is 2~20m3The helium of/min Or the drop in alloy stream is smashed atomization and forms droplet by argon gas, droplet cooled and solidified and form the Ni-based spherical carbide Tungsten alloy powder, the drop for not smashing atomization are circulated with alloy stream, until drop is smashed the nickel that atomization forms droplet Base spherical carbide tungsten alloy powder, i.e., complete preparation process.Melting carries out in smelting furnace, and the vacuum degree of the smelting furnace is 1 ~10Pa, smelting temperature are 2900~3100 DEG C.In the actual production process, the jet time of high pressure atomizing nozzle is 12~15 Minute.
The application method of Ni-based spherical carbide tungsten alloy powder is to include the following steps,
One, Ni-based spherical carbide tungsten alloy powder is placed in machine barrel inner cavity, Ni-based spherical tungsten carbide alloyed powder will be equipped with The closure of openings at last machine barrel both ends；
Two, machine barrel closed at both ends is placed in temperature is to heat in 1000~1300 DEG C of heating furnaces, and machine barrel is heating It is rotated under driving mechanism driving in furnace with 0.3~0.6 m/min of velocity radial, when the Ni-based spherical carbon in machine barrel inner cavity Change tungsten alloy powder in machine barrel inner cavity behind uniform melt, as the radial rotating of machine barrel is by Ni-based spherical carbide tungsten alloy powder Melt is covered in due to gravity on the inner peripheral surface of machine tube inner wall, while by the Ni-based spherical tungsten carbide alloyed powder after fusing End is aoxidized and is combined together with machine tube inner wall, and the wearing layer of molten condition is formed；
Three, the machine barrel come out in heating furnace is delivered to centrifugation portion to be centrifuged, makes the wearing layer of molten condition more evenly Ground is attached on the internal perisporium of machine barrel；
Four, the machine barrel after centrifugation is delivered to machine barrel insulation portion and tempering is carried out to machine barrel, machine barrel is kept the temperature in machine barrel Portion's tempering is gradually reduced the temperature in machine barrel；The production for completing machine barrel wearing layer is taken out from machine barrel insulation portion.
The Ni-based spherical carbide tungsten alloy powder of the machine barrel wearing layer of 4th kind of embodiment, spherical tungsten carbide, silicon, molybdenum, chromium, The weight percent of boron and nickel are as follows: spherical tungsten carbide 43%, silicon 5%, molybdenum 2%, chromium 7%, boron 3%, nickel 40%.
The preparation method of Ni-based spherical carbide tungsten alloy powder is by following steps:
One, after each ingredient being mixed according to above-mentioned formula form uniformly mixed mixture；
Two, mixture is placed under the vacuum environment for being filled with inert gas and carries out melting；
Three, when the alloy stream flowing formed after melting, high-pressure helium or argon gas are sprayed from high pressure atomizing nozzle and is incited somebody to action High-pressure helium or argon gas are sprayed to alloy stream, are 8~12MPa by injection pressure, and spouting velocity is 2~20m3The helium of/min Or the drop in alloy stream is smashed atomization and forms droplet by argon gas, droplet cooled and solidified and form the Ni-based spherical carbide Tungsten alloy powder, the drop for not smashing atomization are circulated with alloy stream, until drop is smashed the nickel that atomization forms droplet Base spherical carbide tungsten alloy powder, i.e., complete preparation process.Melting carries out in smelting furnace, and the vacuum degree of the smelting furnace is 1 ~10Pa, smelting temperature are 2900~3100 DEG C.In the actual production process, the jet time of high pressure atomizing nozzle is 12~15 Minute.
The application method of Ni-based spherical carbide tungsten alloy powder is to include the following steps,
One, Ni-based spherical carbide tungsten alloy powder is placed in machine barrel inner cavity, Ni-based spherical tungsten carbide alloyed powder will be equipped with The closure of openings at last machine barrel both ends；
Two, machine barrel closed at both ends is placed in temperature is to heat in 1000~1300 DEG C of heating furnaces, and machine barrel is heating It is rotated under driving mechanism driving in furnace with 0.3~0.6 m/min of velocity radial, when the Ni-based spherical carbon in machine barrel inner cavity Change tungsten alloy powder in machine barrel inner cavity behind uniform melt, as the radial rotating of machine barrel is by Ni-based spherical carbide tungsten alloy powder Melt is covered in due to gravity on the inner peripheral surface of machine tube inner wall, while by the Ni-based spherical tungsten carbide alloyed powder after fusing End is aoxidized and is combined together with machine tube inner wall, and the wearing layer of molten condition is formed；
Three, the machine barrel come out in heating furnace is delivered to centrifugation portion to be centrifuged, makes the wearing layer of molten condition more evenly Ground is attached on the internal perisporium of machine barrel；
Four, the machine barrel after centrifugation is delivered to machine barrel insulation portion and tempering is carried out to machine barrel, machine barrel is kept the temperature in machine barrel Portion's tempering is gradually reduced the temperature in machine barrel；The production for completing machine barrel wearing layer is taken out from machine barrel insulation portion.
The Ni-based spherical carbide tungsten alloy powder of the machine barrel wearing layer of 5th kind of embodiment, spherical tungsten carbide, silicon, molybdenum, chromium, The weight percent of boron and nickel are as follows: spherical tungsten carbide 44%, silicon 5%, molybdenum 2%, chromium 7%, boron 2%, nickel 40%.
The preparation method of Ni-based spherical carbide tungsten alloy powder is by following steps:
One, after each ingredient being mixed according to above-mentioned formula form uniformly mixed mixture；
Two, mixture is placed under the vacuum environment for being filled with inert gas and carries out melting；
Three, when the alloy stream flowing formed after melting, high-pressure helium or argon gas are sprayed from high pressure atomizing nozzle and is incited somebody to action High-pressure helium or argon gas are sprayed to alloy stream, are 8~12MPa by injection pressure, and spouting velocity is 2~20m3The helium of/min Or the drop in alloy stream is smashed atomization and forms droplet by argon gas, droplet cooled and solidified and form the Ni-based spherical carbide Tungsten alloy powder, the drop for not smashing atomization are circulated with alloy stream, until drop is smashed the nickel that atomization forms droplet Base spherical carbide tungsten alloy powder, i.e., complete preparation process.Melting carries out in smelting furnace, and the vacuum degree of the smelting furnace is 1 ~10Pa, smelting temperature are 2900~3100 DEG C.In the actual production process, the jet time of high pressure atomizing nozzle is 12~15 Minute.
The application method of Ni-based spherical carbide tungsten alloy powder is to include the following steps,
One, Ni-based spherical carbide tungsten alloy powder is placed in machine barrel inner cavity, Ni-based spherical tungsten carbide alloyed powder will be equipped with The closure of openings at last machine barrel both ends；
Two, machine barrel closed at both ends is placed in temperature is to heat in 1000~1300 DEG C of heating furnaces, and machine barrel is heating It is rotated under driving mechanism driving in furnace with 0.3~0.6 m/min of velocity radial, when the Ni-based spherical carbon in machine barrel inner cavity Change tungsten alloy powder in machine barrel inner cavity behind uniform melt, as the radial rotating of machine barrel is by Ni-based spherical carbide tungsten alloy powder Melt is covered in due to gravity on the inner peripheral surface of machine tube inner wall, while by the Ni-based spherical tungsten carbide alloyed powder after fusing End is aoxidized and is combined together with machine tube inner wall, and the wearing layer of molten condition is formed；
Three, the machine barrel come out in heating furnace is delivered to centrifugation portion to be centrifuged, makes the wearing layer of molten condition more evenly Ground is attached on the internal perisporium of machine barrel；
Four, the machine barrel after centrifugation is delivered to machine barrel insulation portion and tempering is carried out to machine barrel, machine barrel is kept the temperature in machine barrel Portion's tempering is gradually reduced the temperature in machine barrel；The production for completing machine barrel wearing layer is taken out from machine barrel insulation portion.Step When being placed in Ni-based spherical carbide tungsten alloy powder in machine barrel inner cavity in one, the cerium that weight percent is 0.2% can also be added, Cerium can form cerium silicon carbide with carbon, silicon, and the wear-resisting property of cerium silicon carbide is excellent, and facilitate extension machine barrel wearing layer uses the longevity Life.

Claims (10)

1. a kind of Ni-based spherical carbide tungsten alloy powder of machine barrel wearing layer, it is characterised in that: the Ni-based spherical tungsten carbide closes The formula at bronze end by spherical tungsten carbide, silicon, molybdenum, chromium, boron and nickel at being grouped as, the weight percent of mentioned component are as follows: ball Shape tungsten carbide 40~45%, silicon 3~5%, molybdenum 1~2%, chromium 7~10%, boron 2~5%, remaining is nickel.
2. Ni-based spherical carbide tungsten alloy powder according to claim 1, it is characterised in that: spherical tungsten carbide, silicon, molybdenum, The weight percent of chromium, boron and nickel are as follows: the spherical tungsten carbide 40~45%, silicon 3~5%, molybdenum 1~2%, chromium 7~8%, boron 3 ~5%, nickel 40~45%.
3. Ni-based spherical carbide tungsten alloy powder according to claim 2, it is characterised in that: spherical tungsten carbide, silicon, molybdenum, The weight percent of chromium, boron and nickel are as follows: spherical tungsten carbide 40%, silicon 4%, molybdenum 2%, chromium 7%, boron 3%, nickel 44%.
4. Ni-based spherical carbide tungsten alloy powder according to claim 2, it is characterised in that: spherical tungsten carbide, silicon, molybdenum, The weight percent of chromium, boron and nickel are as follows: spherical tungsten carbide 42%, silicon 3.5%, molybdenum 1.5%, chromium 7.5%, boron 3.5%, nickel 42%.
5. Ni-based spherical carbide tungsten alloy powder according to claim 2, it is characterised in that: spherical tungsten carbide, silicon, molybdenum, The weight percent of chromium, boron and nickel are as follows: spherical tungsten carbide 44%, silicon 4%, molybdenum 1%, chromium 8%, boron 3%, nickel 40%.
6. Ni-based spherical carbide tungsten alloy powder according to claim 2, it is characterised in that: spherical tungsten carbide, silicon, molybdenum, The weight percent of chromium, boron and nickel are as follows: spherical tungsten carbide 43%, silicon 5%, molybdenum 2%, chromium 7%, boron 3%, nickel 40%.
7. Ni-based spherical carbide tungsten alloy powder according to claim 1, it is characterised in that: spherical tungsten carbide, silicon, molybdenum, The weight percent of chromium, boron and nickel are as follows: spherical tungsten carbide 44%, silicon 5%, molybdenum 2%, chromium 7%, boron 2%, nickel 40%.
8. according to claim 1 to any Ni-based spherical carbide tungsten alloy powder in 7, it is characterised in that: described Ni-based The preparation method of spherical carbide tungsten alloy powder is by following steps:
One, after each ingredient being mixed according to above-mentioned formula form uniformly mixed mixture；
Two, mixture is placed under the vacuum environment for being filled with inert gas and carries out melting；
Three, when the alloy stream flowing formed after melting, high-pressure helium or argon gas are sprayed from high pressure atomizing nozzle and by high pressure Helium or argon gas are sprayed to alloy stream, are 8~12MPa by injection pressure, and spouting velocity is 2~20m3The helium or argon of/min Drop in alloy stream is smashed atomization and forms droplet by gas, droplet cooled and solidified and form the Ni-based spherical tungsten carbide and close Bronze end, the drop for not smashing atomization are circulated with alloy stream, until drop is smashed the Ni-based ball that atomization forms droplet Shape diamondite powder, i.e., complete preparation process.
9. Ni-based spherical carbide tungsten alloy powder according to claim 8, it is characterised in that: the melting is in smelting furnace It carries out, the vacuum degree of the smelting furnace is 1~10Pa, and smelting temperature is 2900~3100 DEG C.
10. according to claim 1 to any Ni-based spherical carbide tungsten alloy powder in 7, it is characterised in that: described Ni-based The application method of spherical carbide tungsten alloy powder is to include the following steps,
One, Ni-based spherical carbide tungsten alloy powder is placed in machine barrel inner cavity, after Ni-based spherical carbide tungsten alloy powder will be equipped with Machine barrel both ends closure of openings；
Two, machine barrel closed at both ends is placed in temperature is to heat in 1000~1300 DEG C of heating furnaces, and machine barrel is in heating furnace Driving mechanism driving under rotated with 0.3~0.6 m/min of velocity radial, when the Ni-based spherical tungsten carbide in machine barrel inner cavity Alloy powder is in machine barrel inner cavity behind uniform melt, as the radial rotating of machine barrel melts Ni-based spherical carbide tungsten alloy powder Liquid is covered in due to gravity on the inner peripheral surface of machine tube inner wall, at the same by the Ni-based spherical carbide tungsten alloy powder after fusing into Row is aoxidized and is combined together with machine tube inner wall, forms the wearing layer of molten condition；
Three, the machine barrel come out in heating furnace is delivered to centrifugation portion to be centrifuged, keeps the wearing layer of molten condition more uniformly attached In on the internal perisporium of machine barrel；
Four, the machine barrel after centrifugation is delivered to machine barrel insulation portion and tempering is carried out to machine barrel, machine barrel is returned in machine barrel insulation portion Fire processing, is gradually reduced the temperature in machine barrel；The production for completing machine barrel wearing layer is taken out from machine barrel insulation portion.
CN201910151209.0A 2019-02-28 2019-02-28 A kind of Ni-based spherical carbide tungsten alloy powder of machine barrel wearing layer Pending CN109680201A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116100197A (en) * 2023-04-07 2023-05-12 西安热工研究院有限公司 Low-heat-input WC reinforced nickel-based welding wire and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102337534A (en) * 2010-07-16 2012-02-01 西南交通大学 Technology of extending service life of packer with wear resistant metal spray welding cladding layer
CN107214320A (en) * 2017-08-01 2017-09-29 浙江华业塑料机械有限公司 A kind of preparation method of spiro rod machine tube wearing layer
CN108941588A (en) * 2018-07-27 2018-12-07 中南大学 A kind of preparation method of laser forming Ni-base Superalloy Powder

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102337534A (en) * 2010-07-16 2012-02-01 西南交通大学 Technology of extending service life of packer with wear resistant metal spray welding cladding layer
CN107214320A (en) * 2017-08-01 2017-09-29 浙江华业塑料机械有限公司 A kind of preparation method of spiro rod machine tube wearing layer
CN108941588A (en) * 2018-07-27 2018-12-07 中南大学 A kind of preparation method of laser forming Ni-base Superalloy Powder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116100197A (en) * 2023-04-07 2023-05-12 西安热工研究院有限公司 Low-heat-input WC reinforced nickel-based welding wire and preparation method thereof
CN116100197B (en) * 2023-04-07 2023-08-18 西安热工研究院有限公司 Low-heat-input WC reinforced nickel-based welding wire and preparation method thereof

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Application publication date: 20190426