CN116411205A - Cobalt-base alloy powder for build-up welding of chain saw guide plate - Google Patents

Cobalt-base alloy powder for build-up welding of chain saw guide plate Download PDF

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Publication number
CN116411205A
CN116411205A CN202310227256.5A CN202310227256A CN116411205A CN 116411205 A CN116411205 A CN 116411205A CN 202310227256 A CN202310227256 A CN 202310227256A CN 116411205 A CN116411205 A CN 116411205A
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CN
China
Prior art keywords
cobalt
alloy powder
guide plate
chain saw
saw guide
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Pending
Application number
CN202310227256.5A
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Chinese (zh)
Inventor
唐九和
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SHANGHAI ZHONGZHOU SPECIAL ALLOY MATERIALS CO Ltd
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SHANGHAI ZHONGZHOU SPECIAL ALLOY MATERIALS CO Ltd
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Priority to CN202310227256.5A priority Critical patent/CN116411205A/en
Publication of CN116411205A publication Critical patent/CN116411205A/en
Pending legal-status Critical Current

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    • 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
    • C22C19/07—Alloys based on nickel or cobalt based on cobalt
    • 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/05—Metallic powder characterised by the size or surface area of the particles
    • 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/14—Treatment of metallic powder
    • 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/14—Treatment of metallic powder
    • B22F1/142—Thermal or thermo-mechanical treatment
    • 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
    • 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
    • B23K9/00—Arc welding or cutting
    • B23K9/04—Welding for other purposes than joining, e.g. built-up welding
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Abstract

The invention discloses cobalt-base alloy powder for overlaying a chain saw guide plate, and relates to the technical field of cobalt-base alloy powder preparation, wherein the cooled powder is kept at 240 ℃ for 6 hours; the pressure in the atomizing tower is kept to be 0.6-0.75MP in the atomizing process; the spraying pressure of the high-pressure nitrogen is 3MPa, and the temperature of the melt is 1780-1950 ℃; the cobalt-based alloy powder is hot melted for 2 hours at 1500-1800 ℃, then poured into a cylindrical cavity with the diameter not more than 0.5cm, cooled to room temperature, and the filling strip for overlaying the chain saw guide plate is obtained, and is placed in a gap of the chain saw guide plate for overlaying treatment when the chain saw guide plate is overlaid; the cobalt-based alloy powder manufactured by the method fills the gaps and performs surfacing, and the obtained chain saw guide plate has high hardness, so that the abrasion of the chain saw guide plate is reduced, and the service life of the chain saw guide plate is prolonged.

Description

Cobalt-base alloy powder for build-up welding of chain saw guide plate
Technical Field
The invention particularly relates to the technical field of cobalt-base alloy powder preparation, in particular to cobalt-base alloy powder for build-up welding of a chain saw guide plate.
Background
The electric chain saw is mainly applied to the industries of forest felling, wood sawing and decoration, a guide plate of the traditional electric chain saw is a whole guide plate, a groove for installing a transmission chain is milled through a milling machine, a guide plate chain wheel is installed in the groove, and then the chain saw is installed on the chain wheel. Because of the limitation of the process, the chain is in direct contact with the guide plate, so that the abrasion is too fast, the machining is complex in a groove milling mode, and the production cost is high.
The existing electric chain saw chain plate is low in hardness and easy to wear, surfacing treatment is needed when gaps appear, and the integral strength of the chain saw guide plate cannot be guaranteed after the traditional welding rod is welded.
Disclosure of Invention
The invention aims to provide cobalt-based alloy powder for overlaying a chain saw guide plate, which is used for solving the problems that the conventional grinding wheel ash provided in the background art contains 12-18% of grinding wheel abrasive particles such as corundum sand, and if the grinding wheel abrasive particles are not picked out, unnecessary energy consumption is increased and the quality of coarse steel is reduced when the grinding wheel abrasive particles are directly smelted.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the cobalt-base alloy powder for the build-up welding of the chain saw guide plate comprises the following chemical components in percentage by weight: 0.50-1.00% of C, 24.00-28.00% of Cr, 1.60-2.00% of Si, less than or equal to 0.20% of Mn, less than or equal to 0.50% of Mo, less than or equal to 3.00% of Fe, less than or equal to 3.00% of Ni, 5.00-6.00% of w, 0.60-0.90% of B, less than or equal to 0.03% of P, less than or equal to 0.03% of S, less than or equal to 0.50% of Co, and the balance of Co.
As a further technical scheme of the present invention, the particle size of the cobalt-based alloy powder is not less than 10 μm and not more than 65 μm.
As a further technical scheme of the invention, screening the powder, taking a metal raw material of the cobalt-based alloy powder, wherein the metal raw material is carbon, silicon, chromium, molybdenum, tungsten and cobalt, and removing a metal oxide layer on the surface of the cobalt-based alloy powder to obtain chromium for removing the metal oxide layer, molybdenum for removing the metal oxide layer, tungsten for removing the metal oxide layer and cobalt for removing the metal oxide layer; the cobalt-base alloy powder is firstly placed in a mesh screen with 540 meshes for sieving, the cobalt-base alloy powder with the particle size larger than 26 mu m is sieved, the cobalt-base alloy powder with the particle size smaller than 26 mu m is placed in a mesh screen with 1600 meshes for sieving, and the cobalt-base alloy powder with the particle size smaller than 10 mu m is removed.
As a further technical scheme of the invention, after carbon, silicon and chromium which remove the metal oxide layer are heated and melted, molybdenum, tungsten and cobalt which remove the metal oxide layer are added, and after the metal oxide layer is completely melted, the temperature is raised to 1200 ℃ to obtain a melt.
According to the technical scheme, high-pressure nitrogen is used as atomizing gas, and the molten liquid in the step (2) is sprayed into an atomizing tower to be atomized, so that atomized droplets are obtained; in the atomization process, nitrogen is filled in an atomization tower, and the pressure in the atomization tower is kept to be less than 0.8MPa; (4) And cooling the atomized droplets by air cooling, and collecting cooled powder for preheating treatment to obtain the cobalt-base alloy powder.
As a further technical scheme of the invention, (1) the cooled powder is kept at 240 ℃ for 6 hours;
(2) The pressure in the atomizing tower is kept to be 0.6-0.75MP in the atomizing process;
(3) The spraying pressure of the high-pressure nitrogen is 3MPa, and the temperature of the melt is 1780-1950 ℃;
(4) And (3) hot melting cobalt-based alloy powder for 2 hours at 1500-1800 ℃, pouring the cobalt-based alloy powder into a cylindrical cavity with the diameter not more than 0.5cm, cooling to room temperature to obtain the filler strip for overlaying the chain saw guide plate, and placing the filler strip in a gap of the chain saw guide plate for overlaying treatment when overlaying the chain saw guide plate.
Compared with the prior art, the invention has the beneficial effects that:
in the invention, the cooled powder is kept at 240 ℃ for 6 hours; the pressure in the atomizing tower is kept to be 0.6-0.75MP in the atomizing process; the spraying pressure of the high-pressure nitrogen is 3MPa, and the temperature of the melt is 1780-1950 ℃; the cobalt-based alloy powder is hot melted for 2 hours at 1500-1800 ℃, then poured into a cylindrical cavity with the diameter not more than 0.5cm, cooled to room temperature, and the filling strip for overlaying the chain saw guide plate is obtained, and is placed in a gap of the chain saw guide plate for overlaying treatment when the chain saw guide plate is overlaid; the cobalt-based alloy powder manufactured by the method fills the gaps and performs surfacing, and the obtained chain saw guide plate has high hardness, so that the abrasion of the chain saw guide plate is reduced, and the service life of the chain saw guide plate is prolonged.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the embodiment of the invention, the cobalt-base alloy powder for overlaying the chain saw guide plate comprises the following chemical components in percentage by weight: 0.50-1.00% of C, 24.00-28.00% of Cr, 1.60-2.00% of Si, less than or equal to 0.20% of Mn, less than or equal to 0.50% of Mo, less than or equal to 3.00% of Fe, less than or equal to 3.00% of Ni, 5.00-6.00% of w, 0.60-0.90% of B, less than or equal to 0.03% of P, less than or equal to 0.03% of S, less than or equal to 0.50% of Co, and the balance of Co.
As a further technical scheme of the present invention, the particle size of the cobalt-based alloy powder is not less than 10 μm and not more than 65 μm.
As a further technical scheme of the invention, screening the powder, taking a metal raw material of the cobalt-based alloy powder, wherein the metal raw material is carbon, silicon, chromium, molybdenum, tungsten and cobalt, and removing a metal oxide layer on the surface of the cobalt-based alloy powder to obtain chromium for removing the metal oxide layer, molybdenum for removing the metal oxide layer, tungsten for removing the metal oxide layer and cobalt for removing the metal oxide layer; the cobalt-base alloy powder is firstly placed in a mesh screen with 540 meshes for sieving, the cobalt-base alloy powder with the particle size larger than 26 mu m is sieved, the cobalt-base alloy powder with the particle size smaller than 26 mu m is placed in a mesh screen with 1600 meshes for sieving, and the cobalt-base alloy powder with the particle size smaller than 10 mu m is removed.
As a further technical scheme of the invention, after carbon, silicon and chromium which remove the metal oxide layer are heated and melted, molybdenum, tungsten and cobalt which remove the metal oxide layer are added, and after the metal oxide layer is completely melted, the temperature is raised to 1200 ℃ to obtain a melt.
According to the technical scheme, high-pressure nitrogen is used as atomizing gas, and the molten liquid in the step (2) is sprayed into an atomizing tower to be atomized, so that atomized droplets are obtained; in the atomization process, nitrogen is filled in an atomization tower, and the pressure in the atomization tower is kept to be less than 0.8MPa; (4) And cooling the atomized droplets by air cooling, and collecting cooled powder for preheating treatment to obtain the cobalt-base alloy powder.
As a further technical scheme of the invention, (1) the cooled powder is kept at 240 ℃ for 6 hours;
(2) The pressure in the atomizing tower is kept to be 0.6-0.75MP in the atomizing process;
(3) The spraying pressure of the high-pressure nitrogen is 3MPa, and the temperature of the melt is 1780-1950 ℃;
(4) And (3) hot melting cobalt-based alloy powder for 2 hours at 1500-1800 ℃, pouring the cobalt-based alloy powder into a cylindrical cavity with the diameter not more than 0.5cm, cooling to room temperature to obtain the filler strip for overlaying the chain saw guide plate, and placing the filler strip in a gap of the chain saw guide plate for overlaying treatment when overlaying the chain saw guide plate.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. The cobalt-based alloy powder for overlaying a chain saw guide plate is characterized in that: the cobalt-based alloy powder comprises the following chemical components in percentage by weight: 0.50-1.00% of C, 24.00-28.00% of Cr, 1.60-2.00% of Si, less than or equal to 0.20% of Mn, less than or equal to 0.50% of Mo, less than or equal to 3.00% of Fe, less than or equal to 3.00% of Ni, 5.00-6.00% of w, 0.60-0.90% of B, less than or equal to 0.03% of P, less than or equal to 0.03% of S, less than or equal to 0.50% of Co, and the balance of Co and the balance of other materials.
2. A cobalt-based alloy powder for build-up welding of a chainsaw guide plate as defined in claim 1, wherein: the particle size of the cobalt-based alloy powder is not less than 10 μm and not more than 65 μm.
3. The method for preparing cobalt-based alloy powder for build-up welding of a chain saw guide plate according to claim 2, wherein: screening the powder, namely taking metal raw materials of the cobalt-based alloy powder, wherein the metal raw materials are carbon, silicon, chromium, molybdenum, tungsten and cobalt, and removing a metal oxide layer on the surface of the cobalt-based alloy powder to obtain chromium for removing the metal oxide layer, molybdenum for removing the metal oxide layer, tungsten for removing the metal oxide layer and cobalt for removing the metal oxide layer; the cobalt-base alloy powder is firstly placed in a mesh screen with 540 meshes for sieving, the cobalt-base alloy powder with the particle size larger than 26 mu m is sieved, the cobalt-base alloy powder with the particle size smaller than 26 mu m is placed in a mesh screen with 1600 meshes for sieving, and the cobalt-base alloy powder with the particle size smaller than 10 mu m is removed.
4. A method for preparing cobalt-based alloy powder for build-up welding of a chain saw guide plate according to claim 3, wherein: and heating and melting carbon, silicon and chromium of which the metal oxide layers are removed, adding molybdenum, tungsten and cobalt of which the metal oxide layers are removed, and heating to 1200 ℃ after the metal oxide layers are completely melted to obtain a melt.
5. A method for preparing cobalt-based alloy powder for build-up welding of a chain saw guide plate according to claim 3, wherein: spraying the melt in the step (2) into an atomization tower by taking high-pressure nitrogen as atomization gas to atomize, so as to obtain atomized droplets; in the atomization process, nitrogen is filled in an atomization tower, and the pressure in the atomization tower is kept to be less than 0.8MPa; (4) And cooling the atomized droplets by air cooling, and collecting cooled powder for preheating treatment to obtain the cobalt-base alloy powder.
6. The method for preparing cobalt-based alloy powder for overlaying a chain saw guide plate according to claim 5, wherein the method comprises the following steps: (1) Incubating the cooled powder at 240 ℃ for 6 hours;
(2) The pressure in the atomizing tower is kept to be 0.6-0.75MP in the atomizing process;
(3) The spraying pressure of the high-pressure nitrogen is 3MPa, and the temperature of the melt is 1780-1950 ℃;
(4) And (3) hot melting cobalt-based alloy powder for 2 hours at 1500-1800 ℃, pouring the cobalt-based alloy powder into a cylindrical cavity with the diameter not more than 0.5cm, cooling to room temperature to obtain the filler strip for overlaying the chain saw guide plate, and placing the filler strip in a gap of the chain saw guide plate for overlaying treatment when overlaying the chain saw guide plate.
CN202310227256.5A 2023-03-10 2023-03-10 Cobalt-base alloy powder for build-up welding of chain saw guide plate Pending CN116411205A (en)

Priority Applications (1)

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CN202310227256.5A CN116411205A (en) 2023-03-10 2023-03-10 Cobalt-base alloy powder for build-up welding of chain saw guide plate

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CN107513642A (en) * 2017-10-17 2017-12-26 广州纳联材料科技有限公司 Co-based alloy powder and its preparation method and application
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CN108555277A (en) * 2018-04-19 2018-09-21 杭州盛镭激光科技有限公司 A kind of cobalt-based alloy powder powder material for turbine blade Laser Alloying Treatment
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JP2019014920A (en) * 2017-07-03 2019-01-31 国立大学法人東北大学 Co-BASED ALLOY POWDER FOR ELECTRON BEAM LAMINATION MOLDING
CN113981276A (en) * 2021-10-29 2022-01-28 江苏新航合金科技有限公司 Cobalt-based alloy material for wear-resistant surfacing
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102666924A (en) * 2009-12-16 2012-09-12 住友金属工业株式会社 Member for conveying high-temperature materials
EP2548685A1 (en) * 2011-07-19 2013-01-23 Alstom Technology Ltd Solder for high temperature soldering and method for repairing and producing components using this solder
US20130068986A1 (en) * 2011-09-19 2013-03-21 Hyundai Motor Company Engine valve seat and manufacturing method thereof
CN104195546A (en) * 2014-08-26 2014-12-10 浙江瑞莱士机械有限公司 High-hardness cobalt-based alloy powder for laser cladding and preparation technology of high-hardness cobalt-based alloy powder for laser cladding
CN108620596A (en) * 2017-03-21 2018-10-09 肯纳金属公司 Wearability is assigned to superalloy articles
JP2019014920A (en) * 2017-07-03 2019-01-31 国立大学法人東北大学 Co-BASED ALLOY POWDER FOR ELECTRON BEAM LAMINATION MOLDING
CN107513642A (en) * 2017-10-17 2017-12-26 广州纳联材料科技有限公司 Co-based alloy powder and its preparation method and application
CN108130530A (en) * 2017-12-22 2018-06-08 北京机科国创轻量化科学研究院有限公司 A kind of particle for ultrahigh speed laser melting coating enhances powder metal composition
CN108555277A (en) * 2018-04-19 2018-09-21 杭州盛镭激光科技有限公司 A kind of cobalt-based alloy powder powder material for turbine blade Laser Alloying Treatment
CN115066510A (en) * 2020-03-26 2022-09-16 Vdm金属国际有限公司 Cobalt chromium alloy powder
CN113981276A (en) * 2021-10-29 2022-01-28 江苏新航合金科技有限公司 Cobalt-based alloy material for wear-resistant surfacing

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