WO2023218985A1 - 積層造形用銅合金粉末とその製造方法、および、銅合金積層造形体とその製造方法 - Google Patents

積層造形用銅合金粉末とその製造方法、および、銅合金積層造形体とその製造方法 Download PDF

Info

Publication number
WO2023218985A1
WO2023218985A1 PCT/JP2023/016612 JP2023016612W WO2023218985A1 WO 2023218985 A1 WO2023218985 A1 WO 2023218985A1 JP 2023016612 W JP2023016612 W JP 2023016612W WO 2023218985 A1 WO2023218985 A1 WO 2023218985A1
Authority
WO
WIPO (PCT)
Prior art keywords
copper alloy
weight
alloy powder
additive manufacturing
laminate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2023/016612
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
堅 今井
雄史 杉谷
誠一 松本
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.)
Fukuda Metal Foil and Powder Co Ltd
Original Assignee
Fukuda Metal Foil and Powder Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fukuda Metal Foil and Powder Co Ltd filed Critical Fukuda Metal Foil and Powder Co Ltd
Priority to EP23803464.9A priority Critical patent/EP4509246A4/en
Priority to KR1020247037425A priority patent/KR20250009973A/ko
Priority to US18/862,964 priority patent/US20250319515A1/en
Priority to CN202380038983.5A priority patent/CN119156263A/zh
Priority to JP2024520392A priority patent/JPWO2023218985A1/ja
Publication of WO2023218985A1 publication Critical patent/WO2023218985A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • 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
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y10/00—Processes of additive manufacturing
    • 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
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/20—Direct sintering or melting
    • B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
    • 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
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/30—Process control
    • B22F10/38—Process control to achieve specific product aspects, e.g. surface smoothness, density, porosity or hollow structures
    • 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
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/60—Treatment of workpieces or articles after build-up
    • B22F10/64—Treatment of workpieces or articles after build-up by thermal means
    • 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
    • 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
    • B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
    • B23K35/0222—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in soldering or brazing
    • B23K35/0244—Powders, particles or spheres; Preforms made therefrom
    • 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°C
    • B23K35/302—Cu as the principal constituent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
    • B33Y40/10—Pre-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y70/00—Materials specially adapted for additive manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y80/00—Products made by additive manufacturing
    • 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
    • C22C1/0425—Copper-based alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper
    • C22C9/01—Alloys based on copper with aluminium as the next major constituent
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
    • 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
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/30—Process control
    • B22F10/34—Process control of powder characteristics, e.g. density, oxidation or flowability
    • 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
    • B22F2301/00—Metallic composition of the powder or its coating
    • B22F2301/10—Copper
    • 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

Definitions

  • the present invention relates to a copper alloy powder for layered manufacturing and a method for manufacturing the same, and a copper alloy layered object and a method for manufacturing the same.
  • Patent Document 1 and Patent Document 2 state that 0.2% by mass or more and 1.3% by mass
  • a copper alloy powder for additive manufacturing that contains the following aluminum and further contains copper and unavoidable impurities is disclosed.
  • An object of the present invention is to provide a technology that solves the above problems.
  • the copper alloy powder for additive manufacturing according to the present invention contains more than 1.3% by weight and not more than 12.5% by weight of aluminum element, and the remainder consists of copper and inevitable impurities.
  • the method for producing copper alloy powder for additive manufacturing includes: The method for producing the above-described copper alloy powder for additive manufacturing, producing a copper alloy powder in which more than 1.3% by weight and not more than 12.5% by weight of aluminum element is added to copper by a gas atomization method; A step of classifying the produced copper alloy powder into particle sizes of 10 ⁇ m or more and 45 ⁇ m or less, including.
  • the copper alloy layered product according to the present invention has the following features: A copper alloy additively manufactured body produced by additively manufacturing using an additively manufacturing apparatus using the above-mentioned copper alloy powder for additively manufacturing, It contains more than 1.3% by weight and not more than 12.5% by weight of aluminum element, and the remainder consists of copper and inevitable impurities.
  • the copper alloy layered product according to the present invention includes: A copper alloy additively manufactured body produced by additively manufacturing using an additively manufacturing apparatus using the above-mentioned copper alloy powder for additively manufacturing, Contains an aluminum element of 7.0% by weight or more and 12.5% by weight or less, the balance consisting of copper and inevitable impurities, The relative density is 99.0% or more, the Vickers hardness is 150 Hv or more, the tensile strength is 500 MPa or more, the yield strength is 180 MPa or more, and the wear amount is 0.01 g or less.
  • the method for manufacturing a copper alloy layered product according to the present invention includes: A manufacturing process of manufacturing a copper alloy layered object using the layered manufacturing device using the copper alloy powder for layered manufacturing; a tempering step of holding the manufactured copper alloy laminate body at a temperature of 400° C. or higher and 600° C. or lower for 1 hour; has.
  • a high-quality copper alloy layered product can be obtained.
  • FIG. 1 is a graph showing the relationship between the aluminum content of a copper alloy powder for additive manufacturing and the relative density, electrical conductivity, and tensile strength of a copper alloy additive manufacturing body in Patent Document 1. It is a figure showing an example of composition of a layered manufacturing device used in a present example. These are an optical micrograph showing the cross-sectional structure of the copper alloy laminate-molded body layered in Example 3, and a BC map and a KAM map taken by the SEM/EBSD method.
  • FIG. 2 is a diagram illustrating measurements of tensile strength, elongation, and yield strength of copper alloy laminate-molded bodies in Examples 1 to 8 and Comparative Examples 0 to 6.
  • 1 is a graph showing the relationship between the aluminum content of the copper alloy powder for additive manufacturing and the tensile strength and yield strength of the copper alloy additive manufacturing body obtained in Examples 1 to 8 and Comparative Examples 0 and 1.
  • 1 is a graph showing the relationship between the aluminum content of the copper alloy powder for additive manufacturing and the amount of wear of the copper alloy additive manufacturing body obtained in Examples 1 to 8 and Comparative Examples 0 and 1. It is a figure which shows the rapid cooling phase diagram of Cu-Al alloy, and calculation of a shaping threshold value.
  • 3 is a graph showing the relationship between the tempering temperature of the copper alloy laminate-molded body and the tensile strength and yield strength of the copper alloy laminate-molded body obtained in Example 4.
  • FIG. 3 is a diagram showing an equilibrium state diagram of a Cu-Al alloy.
  • Additive manufacturing technology enables the production of products with complex shapes that are difficult to achieve with conventional processing technology, and is expected to be applied in a variety of fields.
  • metal materials with excellent mechanical properties.
  • copper has excellent electrical conductivity and thermal conductivity, so additive manufacturing is expected to be applied to products with complex shapes such as heat sinks and heat exchangers.
  • the characteristics of the aluminum element-containing copper alloy laminate manufactured bodies in Patent Documents 1 and 2 are represented by a graph as shown in FIG. 1. That is, in Patent Documents 1 and 2, the relative density is 96% to 100%, the electrical conductivity is 30% IACS or more, Moreover, it has been shown that a copper alloy laminate having a tensile strength (maximum stress) of 130 MPa or more and 250 MPa or less can be obtained.
  • the particles have particle shape, particle size, apparent density, and fluidity suitable for additive manufacturing using an additive manufacturing device, and have mechanical strength such as tensile strength, yield strength, or abrasion resistance.
  • a copper alloy powder for additive manufacturing that enables the additive manufacturing of excellent copper alloy additive-molded objects.
  • the following conditions are required for a copper alloy powder that can be subjected to additive manufacturing using an additive manufacturing apparatus.
  • the 50% particle size of the copper alloy powder particles when measured by laser diffraction method is in the range of 3 ⁇ m or more and 200 ⁇ m or less.
  • the 50% particle size of the copper alloy powder particles is less than 3 ⁇ m, there is no fluidity, and a powder bed cannot be formed even in an SLM type additive manufacturing apparatus.
  • the 50% particle size of the copper alloy powder particles is larger than 200 ⁇ m, the surface of the powder bed will be rough even in an EBM type additive manufacturing apparatus, making it impossible to form a powder bed suitable for modeling.
  • the apparent density (AD) of the copper alloy powder is 3.0 g/cm 3 or more. When the apparent density of the copper alloy powder is less than 3.0, the powder filling rate of the powder bed decreases in the additive manufacturing apparatus, making it impossible to form an appropriate powder bed.
  • the flow rate (FR) of the copper alloy powder is 60 sec/50 g or less. If the fluidity of the copper alloy powder is 60 sec/50 g or more, the powder cannot be supplied from the supply hopper in the additive manufacturing apparatus, and an appropriate powder bed cannot be formed.
  • the adhesion force of the copper alloy powder (calculated from the fracture envelope obtained by a shear test performed with a powder rheometer) must be 0.600 kPa or less. If the adhesion force of the copper alloy powder is 0.600 kPa or more, the powder cannot be supplied from the supply hopper in the additive manufacturing apparatus, and an appropriate powder bed cannot be formed.
  • the copper alloy powder for additive manufacturing of this embodiment can be manufactured by, for example, a "rotating disk method", a "gas atomization method”, a “water atomization method”, a “plasma atomization method”, a “plasma rotating electrode method”, or the like.
  • the "gas atomization method” is used, and gases such as helium, argon, and nitrogen are used as the atomizing gas, and the pressure and flow rate of the gas are adjusted to produce copper alloy powder.
  • Similar copper alloy powders can also be produced by other production methods.
  • the produced copper alloy powder was classified into a predetermined particle size (for example, 10 ⁇ m or more and 45 ⁇ m or less).
  • the following characteristics were measured for the manufactured copper alloy powder for additive manufacturing.
  • the content of aluminum element in a copper alloy powder in which aluminum element was added to copper was measured by ICP (Inductively Coupled Plasma) emission spectrometry.
  • the apparent density (g/cm 3 ) of copper alloy powder to which aluminum element was added was measured according to the measurement method of JIS Z 2504.
  • the fluidity (sec/50g) of copper alloy powder to which aluminum element was added was measured according to the measurement method of JIS Z 2502.
  • the adhesion force of the copper alloy powder was measured as an index of fluidity from the fracture envelope obtained by a shear test conducted using a powder rheometer.
  • the 50% particle size ( ⁇ m) was measured by laser diffraction method.
  • FIG. 2 is a diagram showing a schematic configuration example of the layered manufacturing apparatus 200 of this embodiment.
  • the additive manufacturing apparatus 200 includes a firing mechanism 201 for emitting an electron beam or a laser 201a, a hopper 202 which is a powder tank, a squeezing blade 203 for forming a powder bed with a constant thickness of powder, and a constant thickness for laminating. It has a table 204 that repeatedly descends by the thickness. Through the cooperation of the squeegeeing blade 203 and the table 204, a powder laminated portion 205 having a uniform and constant thickness is generated. Each layer is irradiated with an electron beam or a laser 201a based on slice data obtained from 3D-CAD data to melt metal powder (copper alloy powder in this embodiment) to manufacture a layered product 205a.
  • LP laser output (W)
  • SS laser scanning speed (mm/s)
  • HP laser scanning pitch (mm)
  • LT powder bed thickness (mm) (see Table 2).
  • the additively manufactured object using copper alloy powder must have sufficient relative density.
  • the relative density is 99.0% or more.
  • the Vickers hardness of the layered product is 90.0 Hv or more, preferably 150.0 Hv or more.
  • the tensile strength of the layered product is 260.0 MPa or more, preferably 500.0 MPa or more.
  • the yield strength of the layered product is 160.0 MPa or more, preferably 200.0 MPa or more.
  • the amount of wear of the laminate manufactured body is 0.02 g or less, preferably 0.01 g or less.
  • the tensile strength (MPa: maximum stress), elongation (%), and yield strength (MPa) of the laminate-produced body were measured using a universal material testing machine.
  • the amount of wear (g) of the layered product was measured using a multifunctional wear tester.
  • the electrical conductivity (%IACS) of the layered product was measured using an eddy current conductivity meter.
  • the above conditions (1) relative density is 99.0% or more.
  • An additively manufactured object was manufactured.
  • a laminate-molded body was manufactured that (3) had a tensile strength of 260.0 MPa or more, and (4) had a yield strength of 160.0 MPa or more.
  • a laminate-molded article satisfying (5) a wear amount of 0.02 g or less was manufactured.
  • the relative density is 99.0% or more
  • the Vickers hardness is 150.0Hv or more
  • the tensile strength is It is possible to obtain a copper alloy layered product having a strength (maximum stress) of 500 MPa or more, a yield strength of 180 MPa or more, and an abrasion loss of 0.01 g or less.
  • composition of suitable copper alloy powder for additive manufacturing In this embodiment, by adding an appropriate amount of aluminum element to copper, it is possible to satisfy the conditions for a copper alloy powder for additive manufacturing that enables squeezing, and to create an additively manufactured object after additive manufacturing using an additive manufacturing apparatus.
  • the present invention provides a copper alloy powder with sufficient relative density and sufficient mechanical strength for use in mechanical products and parts.
  • the copper alloy powder for additive manufacturing of the present embodiment is preferably a copper alloy powder for additive manufacturing that contains more than 1.3% by weight and 12.5% by weight or less of the aluminum element, with the remainder consisting of copper and unavoidable impurities.
  • a copper alloy powder for additive manufacturing containing an aluminum element of 1.7% by weight or more and 12.5% by weight or less is more desirable.
  • a copper alloy powder for additive manufacturing containing an aluminum element of 7.0% by weight or more and 12.5% by weight or less is more desirable.
  • the 50% particle size of the copper alloy powder particles when measured by laser diffraction is in the range of 3 ⁇ m or more and 200 ⁇ m or less, the surface of the powder bed is not rough and has sufficient fluidity. Easy to squeeze. Further, since the copper alloy powder has an apparent density of 3.5 g/cm 3 or more, the powder filling rate of the powder bed is sufficient and an appropriate powder bed can be formed. Further, since the adhesion force of the copper alloy powder is 0.600 kPa or less, the powder can be smoothly supplied from the supply hopper, and an appropriate powder bed can be formed.
  • the energy density can be calculated from the laser output, laser scanning speed, laser scanning pitch, and powder bed thickness. It was possible to manufacture a copper alloy laminate-molded body having a relative density of 99.0% or more when molded. In addition, a copper alloy laminate-molded body having a Vickers hardness of 90 Hv or more, a tensile strength of 260 MPa or more, a yield strength of 160 MPa or more, and an abrasion loss of 0.02 g or less was manufactured.
  • the relative density is 99.0% or more
  • the Vickers hardness is 150Hv or more
  • the tensile strength is 500MPa or more.
  • a copper alloy laminate-molded body having a yield strength of 180 MPa or more and an abrasion loss of 0.01 g or less was manufactured.
  • the copper alloy laminate-molded body layer-manufactured using the copper alloy powder for laminate-manufacturing of the first embodiment is further subjected to a tempering treatment to improve mechanical strength, particularly yield strength.
  • a tempering treatment to improve mechanical strength, particularly yield strength.
  • the manufacturing of the copper alloy powder for additive manufacturing and the manufacturing of the copper alloy additive manufacturing body using the copper alloy powder for additive manufacturing before the tempering treatment are the same as in the first embodiment, so the redundant explanation will be omitted. Omitted.
  • a copper alloy powder for additive manufacturing containing 10.0% by weight of aluminum element will be explained as an example, but copper alloy powder for additive manufacturing containing other aluminum elements will be used. A similar effect can be achieved also in an alloy layered body.
  • a copper alloy additively manufactured body produced by additively manufacturing using the copper alloy powder for additive manufacturing (aluminum element content 10.0% by weight) of the first embodiment was produced by changing the temperature from 400°C to 600°C (400°C) in a hydrogen atmosphere. °C or higher and 600°C or lower) for 1 hour (60 minutes) to perform a tempering treatment.
  • a copper alloy powder for additive manufacturing was manufactured by adding iron element (Fe), nickel element (Ni), and manganese element (Mn) to the copper alloy powder for additive manufacturing of the first embodiment. . Then, a laminate-molded article was modeled using the produced copper alloy powder for laminate-molding.
  • the following effects can be obtained by adding iron element, nickel element, and manganese element.
  • Addition of iron element -
  • the ⁇ -phase solid solubility limit due to the addition of iron elements only slightly affects the aluminum solid solubility limit of copper. ⁇ At the eutectoid transformation rate ( ⁇ + ⁇ 2 ), the transformation in the low temperature region is delayed.
  • ⁇ phase ( ⁇ -Fe or Fe-Ni) precipitates in the metal structure. The ⁇ phase tends to become a dendritic coarse precipitate phase as the amount of Fe added increases. When approximately 3.5% by weight or more of Fe is contained, the primary ⁇ phase effectively refines the solidified structure of the ⁇ phase.
  • the method of adding iron element, nickel element, and manganese element in this embodiment is the same as the method of adding aluminum element in the first embodiment.
  • the aluminum element is 7.0% by weight or more and 12.5% by weight or less
  • the iron element is 1.0% by weight or more and 6.0% by weight or less
  • the nickel element is 0.1% by weight or more and 6.0% by weight or less.
  • Copper alloy powder for additive manufacturing containing 0.1% by weight or more and 1.5% by weight or less of manganese element was produced.
  • the following properties of the produced copper alloy powder for additive manufacturing were measured.
  • the content of aluminum element, iron element, nickel element, and manganese element in the produced copper alloy powder was measured by ICP (Inductively Coupled Plasma) emission spectrometry.
  • the apparent density (g/cm 3 ) of the produced copper alloy powder was measured according to the measurement method of JIS Z 2504.
  • the fluidity (sec/50g) of the produced copper alloy powder was measured according to the measuring method of JIS Z 2502.
  • the adhesion force of the produced copper alloy powder was measured as an index of fluidity based on the fracture envelope obtained by a shear test conducted using a powder rheometer.
  • the 50% particle size ( ⁇ m) of the copper alloy powder produced by laser diffraction was measured.
  • the copper alloy powder for additive manufacturing in this embodiment could not be measured for fluidity (3), it satisfied the above-mentioned conditions allowing additive manufacturing with an additive manufacturing apparatus.
  • the 50% particle size of the copper alloy powder particles when measured by laser diffraction method is in the range of 3 ⁇ m or more and 200 ⁇ m or less.
  • the apparent density (AD) of the copper alloy powder is 3.0 g/cm 3 or more.
  • the flow rate (FR) of the copper alloy powder is 60 sec/50 g or less.
  • the adhesion force of the copper alloy powder (calculated from the fracture envelope obtained by a shear test performed with a powder rheometer) must be 0.600 kPa or less.
  • a laminate-molded article was modeled using the produced copper alloy powder for laminate-molding using the laminate-molding apparatus 200 shown in FIG.
  • LP laser output (W)
  • SS laser scanning speed (mm/s)
  • HP laser scanning pitch (mm)
  • LT powder bed thickness (mm) (see Table 9).
  • the tensile strength (MPa: maximum stress), elongation (%), and yield strength (MPa) of the laminate-produced body were measured using a universal material testing machine.
  • the amount of wear (g) of the layered product was measured using a multifunctional wear tester.
  • the electrical conductivity (%IACS) of the layered product was measured using an eddy current conductivity meter.
  • the aluminum element is 7.0% by weight or more and 12.5% by weight or less
  • the iron element is 1.0% by weight or more and 6.0% by weight or less
  • the nickel element is 0.1% by weight or more and 6.0% by weight.
  • the relative density is 99.0% or more
  • the Vickers hardness is 150.0Hv or more
  • the tensile strength is It is possible to obtain a copper alloy layered product having a strength (maximum stress) of 500 MPa or more, a yield strength of 180 MPa or more, and an abrasion loss of 0.01 g or less.
  • the aluminum element is 7.0% by weight or more and 12.5% by weight or less
  • the iron element is 1.0% by weight or more and 6.0% by weight or less
  • the nickel element is 0.1% by weight or more and 6.0% by weight or less.
  • a copper alloy powder for additive manufacturing in which 0% by weight or less and 0.1% by weight or more and 1.5% by weight or less of manganese element is added, and it is possible to obtain a copper alloy additively manufactured body with high density and excellent mechanical strength. Ta.
  • the 50% particle size of the copper alloy powder particles when measured by laser diffraction is in the range of 3 ⁇ m or more and 200 ⁇ m or less, the surface of the powder bed is not rough and has sufficient fluidity. Easy to squeeze. Further, since the copper alloy powder has an apparent density of 3.5 g/cm 3 or more, the powder filling rate of the powder bed is sufficient and an appropriate powder bed can be formed. Further, since the adhesion force of the copper alloy powder is 0.600 kPa or less, the powder can be smoothly supplied from the supply hopper, and an appropriate powder bed can be formed.
  • the relative density of the shaped body is 99.0% or more, the Vickers hardness is 150Hv or more, the tensile strength is 500MPa or more, the yield strength is 180MPa or more, and the amount of wear is 0.01g or less.
  • a copper alloy additively manufactured body could be manufactured.
  • Copper alloy powder to which aluminum element was added was manufactured using a gas atomization method. Helium, argon, nitrogen, or the like was used as the atomizing gas, and the pressure and flow rate of the gas were adjusted to produce copper alloy powder to which aluminum was added.
  • Example 0 The content of aluminum element after addition was 0.6% by weight (Comparative Example 0), 1.3% by weight (Comparative Example 1), 2.0% by weight (Example 1), and 5.0% by weight (Example 1).
  • Example 2) 7.0% by weight (Example 3), 10.0% by weight (Example 4), 12.0% by weight (Example 5), and 14.0% by weight (Comparative Example 2).
  • a copper alloy powder was produced.
  • a shear test was conducted using a powder rheometer FT4 (manufactured by Freeman Technology), and the adhesion force (kPa) of the obtained copper alloy powder was measured. Squeezing is also possible using a jig called a doctor blade or applicator, which is a jig that can process one side of a metal block to create a gap and apply paint or ink at a constant thickness. It was determined whether the powder was a copper alloy powder or not.
  • Table 1 shows the characteristics of the copper alloy powders produced in Examples 1 to 5 and Comparative Examples 0, 1, and 2, and the copper powders in Comparative Examples 3 to 5.
  • ⁇ Manufacture of layered object> Using the copper alloy powders of Examples 1 to 5 and Comparative Examples 0, 1, and 2, which were capable of squeezing, a 3D additive manufacturing machine (powder sintering additive manufacturing/SLM method: SLM280HL manufactured by SLM Solutions) was used. A laminate-molded body was manufactured using the following. In addition, as a sample of the laminate-molded body for property measurement, a rectangular laminate-molded body having a width of 10 mm x depth of 7 mm x height of 5 mm was manufactured.
  • Laminated bodies were produced using the copper alloy powders of Examples 1 to 5 and Comparative Examples 0, 1, and 2 at appropriate energy densities (J/mm 3 ).
  • the energy density (J/mm 3 ) is shown in Table 2.
  • the copper alloy powder for additive manufacturing to which 14.0% by weight of aluminum element was added, which cracked during additive manufacturing, additively manufactured objects were manufactured by changing the energy density (J/mm 3 ) (comparison). (See Examples 2-1 to 2-21).
  • FIG. 3 shows a BC map 310 and a KAM map 320 of a copper alloy additive manufacturing body to which 7.0% by weight of aluminum element is added by EBSD, and a copper alloy additive manufacturing body to which 10.0% by weight of aluminum element is added.
  • An optical micrograph 330 of the body is shown.
  • Table 4 shows the characteristics of the copper alloy laminate manufactured body measured by the test equipment shown in Table 3.
  • the laminate manufactured body to which 10.0% by weight of aluminum element was added showed extremely large work hardening and exhibited extremely high tensile strength, but conversely, yield strength did not increase significantly. From the structure observation using optical micrograph 330 and the XRD analysis results, it is clear that the copper alloy laminate model exhibits a plate-like ⁇ ' martensite structure, and the yield strength does not increase compared to large work hardening or tensile strength. This is thought to be due to martensitic transformation due to the rapid solidification process during additive manufacturing.
  • FIG. 5 shows the aluminum content of the copper alloy powder for additive manufacturing and the tensile strength of the copper alloy additive manufactured body based on the property measurement results in Table 4 obtained in Examples 1 to 5 and Comparative Examples 0 and 1.
  • a graph showing the relationship between strength and yield strength is shown.
  • FIG. 6 shows the aluminum content of the copper alloy powder for additive manufacturing and the wear of the copper alloy additively manufactured body based on the characteristic measurement results in Table 4 obtained in Examples 1 to 5 and Comparative Examples 0 and 1.
  • FIG. 7 is a diagram showing a quenching state diagram of a Cu-Al alloy and calculation of a forming threshold. As shown in Table 4, layered manufacturing is possible when the aluminum element is contained up to 12.0% by weight, but when the aluminum element is contained at 14.0% by weight, cracks occur during layered manufacturing and layered manufacturing is not possible.
  • the quenching phase diagram (710) of the Cu-Al alloy in FIG. 7 the solid line indicates an equilibrium phase diagram, and when the cooling process involves quenching, the broken line indicates a phase diagram. Since additive manufacturing involves rapid cooling during the cooling process, it becomes the constituent phase of the phase diagram indicated by the broken line.
  • the additively manufactured body is composed of a ⁇ 1′ single phase.
  • the ⁇ ' phase begins to precipitate, and when the aluminum element content is 14.0% by weight, it becomes almost a ⁇ ' single phase. From this, it is thought that the precipitation of the ⁇ ' phase is the cause of cracking during additive manufacturing, and additive manufacturing is possible without cracking if the aluminum element content is 12.5% by weight or less, where the ⁇ ' phase does not precipitate. It is assumed that.
  • Table 5 shows a set of threshold values set based on Examples 1 to 5 for evaluating the mechanical strength of the copper alloy laminate-produced body.
  • ⁇ numerical value indicates a numerical value or more
  • numbererical value ⁇ indicates a numerical value or less.
  • Table 6 shows the measurement results of properties related to mechanical strength after tempering the laminate-molded bodies to which 10.0% by weight and 12.0% by weight of the aluminum element were added.
  • FIG. 8 shows a graph of the measurement results of tensile strength and yield strength versus tempering temperature.
  • FIG. 9 shows an equilibrium diagram of the Cu-Al alloy. From the equilibrium diagram in Figure 9, it is clear that an ⁇ -phase single-phase structure is shown when the aluminum element is 9.0% by weight or less, but a eutectoid phase consisting of ( ⁇ + ⁇ 2 ) is shown when the aluminum element is 9.4 to 15.6% by weight. appear. In this ( ⁇ + ⁇ 2 ) region, the high-temperature stable phase ⁇ is rapidly cooled, so that 10.0% by weight of aluminum element shows a ⁇ ' phase and 12.0% by weight of aluminum element shows a ⁇ 1' phase. Note that the ⁇ ' phase and the ⁇ 1' phase have a martensitic structure.
  • Copper alloy powder to which aluminum element, iron element, nickel element, and manganese element were added was manufactured by a gas atomization method. Helium, argon, nitrogen, or the like was used as the atomizing gas, and the pressure and flow rate of the gas were adjusted to produce copper alloy powder to which aluminum, iron, nickel, and manganese were added.
  • the content of aluminum element is 8.5% by weight
  • the content of iron element is 3.0% by weight
  • the content of nickel element is 0.5% by weight
  • the content of manganese element is 0.1%.
  • wt% Example 6
  • the content of aluminum element is 10.5 wt%
  • the content of iron element is 3.1 wt%
  • the content of nickel element is 2.0 wt%
  • the content of manganese element is 0.1%.
  • Example 7 The amount was 1.1% by weight (Example 7), the content of aluminum element was 10.0% by weight, the content of iron element was 5.0% by weight, the content of nickel element was 5.0% by weight, and , the content of manganese element was 0.7% by weight (Example 8), the content of aluminum element was 9.0% by weight, the content of iron element was 3.5% by weight, and the content of nickel element was 2.0% by weight. Copper alloy powder was produced by changing the manganese element content to 5% by weight and 11.0% by weight (Comparative Example 6).
  • a shear test was conducted using a powder rheometer FT4 (manufactured by Freeman Technology), and the adhesion force (kPa) of the obtained copper alloy powder was measured. Squeezing is also possible using a jig called a doctor blade or applicator, which is a jig that can process one side of a metal block to create a gap and apply paint or ink at a constant thickness. It was determined whether the powder was a copper alloy powder or not.
  • Table 7 shows the characteristics of the copper alloy powders produced in Examples 6 to 8 and Comparative Example 6.
  • the copper alloy powders for additive manufacturing in Examples 6 to 8 and Comparative Example 6 satisfied the above-mentioned conditions allowing additive manufacturing with the additive manufacturing apparatus. That is, (1) the 50% particle size of the powder particles (D50 in Table 7), (2) the apparent density of the powder (AD in Table 7), and (3) the fluidity (FR) of the powder. was impossible to measure (none), but the powders satisfied the adhesion (Examples 6 to 8 and Comparative Example 6) and could be squeezed.
  • the weight percent is set by paying attention to the content of each element in existing copper alloy castings shown in Table 8. Thus, the suitable weight percentage of each element was verified.
  • Laminated bodies were manufactured using the copper alloy powders of Examples 6 to 8 and Comparative Example 6 at appropriate energy densities (J/mm 3 ) .
  • the energy density (J/mm 3 ) is shown in Table 9.
  • the aluminum element that cracked during additive manufacturing was 9.0% by weight
  • the iron element content was 3.5% by weight
  • the nickel element content was 2.5% by weight
  • the manganese element content was Regarding the copper alloy powder for additive manufacturing added at 11.0% by weight
  • additively manufactured bodies were manufactured by changing the energy density (J/mm 3 ) (see Comparative Examples 6-1 to 6-30).
  • the content of aluminum element was 9.0% by weight
  • the content of iron element was 3.5% by weight
  • the content of nickel element was 2.0% by weight.
  • Table 10 shows the characteristics of the copper alloy laminate-molded bodies formed using the copper alloy powder in each of Examples 6 to 8 and Comparative Example 6, as measured by the test apparatus shown in Table 3.
  • FIG. 5 shows the relationship between the aluminum content of the copper alloy powder for additive manufacturing and the tensile strength and yield strength of the copper alloy additive manufactured body, based on the property measurement results in Table 10 obtained in Examples 6 to 8. Added.
  • FIG. 6 shows the relationship between the aluminum content of the copper alloy powder for additive manufacturing and the amount of wear of the copper alloy additive manufactured body, based on the property measurement results in Table 10 obtained in Examples 6 to 8. Added.
  • a copper alloy laminate-molded body satisfying the following conditions: Vickers hardness of 150.0 Hv or more, tensile strength (maximum stress) of 500 MPa or more, yield strength of 180 MPa or more, and wear amount of 0.01 g or less could be produced.
  • Example 6 even with a low aluminum content, the tensile strength (maximum stress) and yield strength are increased, and there is also elongation. For example, even when compared with Example 4, which contained 10% by weight of aluminum, Examples 7 and 8, which had a similar aluminum content, were able to improve elongation without reducing strength.
  • the copper alloy laminate manufactured body according to the present invention can be suitably used for parts such as bearings, pistons, marine propellers, and pumps that require particularly high mechanical strength (Vickers hardness, tensile strength, yield strength, wear amount, etc.) can do.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Automation & Control Theory (AREA)
  • Plasma & Fusion (AREA)
  • Powder Metallurgy (AREA)
PCT/JP2023/016612 2022-05-09 2023-04-27 積層造形用銅合金粉末とその製造方法、および、銅合金積層造形体とその製造方法 Ceased WO2023218985A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP23803464.9A EP4509246A4 (en) 2022-05-09 2023-04-27 COPPER ALLOY POWDER FOR ADDITIVE MANUFACTURING AND METHOD FOR PRODUCING SAID COPPER ALLOY POWDER, AND COPPER ALLOY ADDITIVELY MANUFACTURED ARTICLE AND METHOD FOR PRODUCING SAME
KR1020247037425A KR20250009973A (ko) 2022-05-09 2023-04-27 적층조형용 구리합금 분말과 이의 제조 방법, 및 구리합금 적층조형된 제품과 이의 제조 방법
US18/862,964 US20250319515A1 (en) 2022-05-09 2023-04-27 Copper alloy powder for additive manufacturing and manufacturing method thereof, and copper alloy additively manufactured product and manufacturing method thereof
CN202380038983.5A CN119156263A (zh) 2022-05-09 2023-04-27 层叠造形用铜合金粉末和其制造方法、及铜合金层叠造形体和其制造方法
JP2024520392A JPWO2023218985A1 (enExample) 2022-05-09 2023-04-27

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022-077233 2022-05-09
JP2022077233 2022-05-09

Publications (1)

Publication Number Publication Date
WO2023218985A1 true WO2023218985A1 (ja) 2023-11-16

Family

ID=88730432

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2023/016612 Ceased WO2023218985A1 (ja) 2022-05-09 2023-04-27 積層造形用銅合金粉末とその製造方法、および、銅合金積層造形体とその製造方法

Country Status (6)

Country Link
US (1) US20250319515A1 (enExample)
EP (1) EP4509246A4 (enExample)
JP (1) JPWO2023218985A1 (enExample)
KR (1) KR20250009973A (enExample)
CN (1) CN119156263A (enExample)
WO (1) WO2023218985A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024002346A (ja) * 2022-06-24 2024-01-11 株式会社豊田中央研究所 積層造形物およびその原料粉末
CN120587489A (zh) * 2025-08-05 2025-09-05 广东省科学院新材料研究所 增材制造锰铜合金及其制备方法和应用

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56152902A (en) * 1980-04-28 1981-11-26 Fukuda Kinzoku Hakufun Kogyo Kk Powder for sintered copper alloy containing aluminum
CN102162079A (zh) * 2011-03-30 2011-08-24 北京矿冶研究总院 一种热喷涂用低氧含量高收得率球形铝青铜合金粉末及制备方法
WO2017110445A1 (ja) * 2015-12-25 2017-06-29 株式会社ダイヘン 金属粉末、積層造形物の製造方法および積層造形物
US20180133956A1 (en) * 2015-07-16 2018-05-17 Velo3D, Inc. Material-fall three-dimensional printing
CN109396453A (zh) * 2018-12-21 2019-03-01 东莞市精研粉体科技有限公司 一种弥散强化铝青铜球形粉的制备方法
JP2019536904A (ja) * 2016-10-17 2019-12-19 ラ・コルポラシオン・ドゥ・レコール・ポリテクニーク・ドゥ・モントリオールＬａ Ｃｏｒｐｏｒａｔｉｏｎ Ｄｅ Ｌ’Ｅｃｏｌｅ Ｐｏｌｙｔｅｃｈｎｉｑｕｅ Ｄｅ Ｍｏｎｔｒｅａｌ 噴霧化技術用の溶融物の処理
JP2022077233A (ja) 2020-11-11 2022-05-23 株式会社イデア・レコード 予約受付制御装置、予約受付制御プログラム、及び予約受付制御方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2517675B2 (ja) * 1989-08-01 1996-07-24 日立粉末冶金株式会社 高負荷摺動用焼結銅合金
KR100991626B1 (ko) * 2007-10-18 2010-11-04 신토고교 가부시키가이샤 구리 합금 분말 및 그 제조 방법
JP2018146112A (ja) * 2017-03-07 2018-09-20 Ntn株式会社 過給機用焼結軸受
JP6858807B2 (ja) * 2019-04-26 2021-04-14 Ntn株式会社 焼結軸受
CN114231967A (zh) * 2021-12-27 2022-03-25 东莞市精研粉体科技有限公司 一种铝青铜合金-钢复合双金属耐磨轴承材料制造方法

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56152902A (en) * 1980-04-28 1981-11-26 Fukuda Kinzoku Hakufun Kogyo Kk Powder for sintered copper alloy containing aluminum
CN102162079A (zh) * 2011-03-30 2011-08-24 北京矿冶研究总院 一种热喷涂用低氧含量高收得率球形铝青铜合金粉末及制备方法
US20180133956A1 (en) * 2015-07-16 2018-05-17 Velo3D, Inc. Material-fall three-dimensional printing
WO2017110445A1 (ja) * 2015-12-25 2017-06-29 株式会社ダイヘン 金属粉末、積層造形物の製造方法および積層造形物
JP2017115220A (ja) 2015-12-25 2017-06-29 株式会社ダイヘン 金属粉末、積層造形物の製造方法および積層造形物
JP6532396B2 (ja) 2015-12-25 2019-06-19 株式会社ダイヘン 銅合金粉末、積層造形物の製造方法および積層造形物
JP2019536904A (ja) * 2016-10-17 2019-12-19 ラ・コルポラシオン・ドゥ・レコール・ポリテクニーク・ドゥ・モントリオールＬａ Ｃｏｒｐｏｒａｔｉｏｎ Ｄｅ Ｌ’Ｅｃｏｌｅ Ｐｏｌｙｔｅｃｈｎｉｑｕｅ Ｄｅ Ｍｏｎｔｒｅａｌ 噴霧化技術用の溶融物の処理
CN109396453A (zh) * 2018-12-21 2019-03-01 东莞市精研粉体科技有限公司 一种弥散强化铝青铜球形粉的制备方法
JP2022077233A (ja) 2020-11-11 2022-05-23 株式会社イデア・レコード 予約受付制御装置、予約受付制御プログラム、及び予約受付制御方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP4509246A4

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024002346A (ja) * 2022-06-24 2024-01-11 株式会社豊田中央研究所 積層造形物およびその原料粉末
CN120587489A (zh) * 2025-08-05 2025-09-05 广东省科学院新材料研究所 增材制造锰铜合金及其制备方法和应用

Also Published As

Publication number Publication date
KR20250009973A (ko) 2025-01-20
EP4509246A1 (en) 2025-02-19
CN119156263A (zh) 2024-12-17
JPWO2023218985A1 (enExample) 2023-11-16
EP4509246A4 (en) 2025-09-10
US20250319515A1 (en) 2025-10-16

Similar Documents

Publication Publication Date Title
JP7630554B2 (ja) 銅合金粉末、積層造形物および積層造形物の製造方法ならびに各種金属部品
Kimura et al. Microstructures and mechanical properties of aluminum-transition metal binary alloys (Al-Fe, Al-Mn, and Al-Cr) processed by laser powder bed fusion
Seyed Pourmand et al. Aluminum matrix composites reinforced with graphene: a review on production, microstructure, and properties
Uchida et al. Microstructures and electrical and mechanical properties of Cu-Cr alloys fabricated by selective laser melting
US20160138400A1 (en) Aluminum alloys having iron, silicon, vanadium and copper
WO2019161137A1 (en) Aluminum alloy products and methods for producing the same
JP6716410B2 (ja) 銅合金粉末、積層造形物の製造方法および積層造形物
WO2014069318A1 (ja) 銅合金およびその製造方法
CN110172620A (zh) 选区激光熔化技术用Al-Si-Mg合金及其制件制备方法
WO2020179724A1 (ja) 積層造形体および積層造形体の製造方法
EP4074852A1 (en) Powdered aluminium material
Deng et al. Microstructure and mechanical properties of Cu–12Al–xNi alloy prepared using powder metallurgy
WO2020179766A1 (ja) 積層造形体からなるＮｉ基合金部材、Ｎｉ基合金部材の製造方法、およびＮｉ基合金部材を用いた製造物
EP4509246A1 (en) Copper alloy powder for additive manufacturing and method for producing said copper alloy powder, and copper alloy additively-manufactured article and method for producing same
EP3701054A2 (en) Titanium alloy products and methods of making the same
US20180311736A1 (en) System and Method for Forming Nano-Particles in Additively-Manufactured Metal Alloys
JP7394241B2 (ja) 積層造形用銅合金粉末とその評価方法、銅合金積層造形体の製造方法および銅合金積層造形体
Yang et al. Effects of hot extrusion and heat treatment on microstructure and properties of industrial large-scale spray-deposited 7055 aluminum alloy
Wei et al. Room temperature ductile W-Y2O3 alloy with high thermal shock resistance
Diao et al. L12 strengthening of WC-CoNiFe cemented carbides by spark plasma sintering
WO2026077444A1 (zh) 一种NiTiNb形状记忆合金及其制备方法
JP2023071110A (ja) 溶融凝固成形用Ｆｅ基合金及び金属粉末
CN114592148B (zh) 一种增材制造用高强韧Al-Mg2Si-Zn合金及其制备方法和应用
HK40113488A (zh) 层叠造形用铜合金粉末和其制造方法、及铜合金层叠造形体和其制造方法
Li et al. Microstructure and property characterization of Y2O3 dispersion-strengthened copper alloy prepared by powder metallurgy and hot rolling hybrid process

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 23803464

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2024520392

Country of ref document: JP

WWE Wipo information: entry into national phase

Ref document number: 202380038983.5

Country of ref document: CN

WWE Wipo information: entry into national phase

Ref document number: 2023803464

Country of ref document: EP

ENP Entry into the national phase

Ref document number: 2023803464

Country of ref document: EP

Effective date: 20241115

WWE Wipo information: entry into national phase

Ref document number: 202447095066

Country of ref document: IN

NENP Non-entry into the national phase

Ref country code: DE

WWP Wipo information: published in national office

Ref document number: 18862964

Country of ref document: US