WO2019069651A1 - Élément de compresseur à fonction de transport et procédé de fabrication associé - Google Patents

Élément de compresseur à fonction de transport et procédé de fabrication associé Download PDF

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Publication number
WO2019069651A1
WO2019069651A1 PCT/JP2018/033951 JP2018033951W WO2019069651A1 WO 2019069651 A1 WO2019069651 A1 WO 2019069651A1 JP 2018033951 W JP2018033951 W JP 2018033951W WO 2019069651 A1 WO2019069651 A1 WO 2019069651A1
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Prior art keywords
mass
aluminum alloy
compressor component
intermetallic compound
compressor
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PCT/JP2018/033951
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English (en)
Japanese (ja)
Inventor
泰生 小鉄
杉山　知平
恭平 安藤
卓也 荒山
Original Assignee
株式会社豊田自動織機
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Application filed by 株式会社豊田自動織機 filed Critical 株式会社豊田自動織機
Priority to CN201880058088.9A priority Critical patent/CN111065754A/zh
Priority to DE112018005544.2T priority patent/DE112018005544T5/de
Priority to US16/651,211 priority patent/US20200238385A1/en
Publication of WO2019069651A1 publication Critical patent/WO2019069651A1/fr

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    • 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
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/009—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of turbine components other than turbine blades
    • 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
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/20—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by extruding
    • 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
    • C22C1/0408—Light metal alloys
    • C22C1/0416—Aluminium-based alloys
    • 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
    • C22C1/047—Making non-ferrous alloys by powder metallurgy comprising intermetallic compounds
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • 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
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/20—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by extruding
    • B22F2003/208—Warm or hot extruding
    • 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
    • B22F2301/05—Light metals
    • B22F2301/052—Aluminium
    • 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
    • B22F2301/20—Refractory metals
    • B22F2301/205—Titanium, zirconium or hafnium
    • 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
    • B22F2301/35—Iron
    • 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
    • B22F2301/40—Intermetallics other than rare earth-Co or -Ni or -Fe intermetallic alloys
    • 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
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10—Processes characterised by the sequence of their steps
    • 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
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/04—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of turbine blades

Definitions

  • the present invention relates to a compressor component for a transport machine made of an aluminum alloy excellent in mechanical properties at high temperatures, and a method for producing the same.
  • turbochargers for turbochargers are required to have high strength and high rigidity at high temperatures since high speed rotation exceeding 10000 rpm is given under high temperature conditions of about 150 ° C.
  • weight reduction is also required.
  • strength which can endure high speed rotation is also required.
  • the turbocharger impeller is made of 2618 alloy (Cu: 1.9% by mass to 2.7% by mass, Mg: 1.3% by mass to 1.8% by mass, Ni: 0.9% by mass to 1. 2 mass%, Fe: 0.9 mass% to 1.3 mass%, Si: 0.1 mass% to 0.25 mass%, Ti: 0.04 mass% to 0.1 mass%, balance Is manufactured by cutting and casting cast and forged aluminum alloys.
  • Patent Document 1 discloses a technique for providing an Al-Cu-Mg-based aluminum alloy extruded material whose strength at high temperature (160 ° C.) is improved as compared with the conventional art. That is, in Patent Document 1, Cu: 3.4 to 5.5% (% by mass, the same applies hereinafter), Mg: 1.7 to 2.3%, Ni: 1.0 to 2.5%, Fe: 0.5 to 1.5%, Mn: 0.1 to 0.4%, Zr: 0.05 to 0.3%, Si: less than 0.1%, Ti: less than 0.1%, balance A heat-resistant aluminum alloy extruded material excellent in high-temperature strength and high-temperature fatigue characteristics characterized by comprising Al and unavoidable impurities is described.
  • the impeller for turbochargers is required to further increase the rotational speed. Therefore, as an aluminum alloy material constituting the impeller for turbochargers, even in a higher temperature range than before. What is excellent in mechanical properties is desired. In addition to static strength, dynamic properties such as creep properties are also required to be excellent as characteristics required of transport compressor components such as turbocharger impellers.
  • the present invention has been made in view of such technical background, and it is an object of the present invention to provide a compressor component for a transport machine excellent in mechanical characteristics (static strength, creep characteristics, etc.) at high temperatures and a method of manufacturing the same. I assume.
  • the present invention provides the following means.
  • An aluminum alloy compressor component for a transport machine comprising: mass% to 2.0 mass%, Ti: 0.02 mass% to 2.0 mass%, the balance being Al and unavoidable impurities,
  • the compressor component for a transport machine contains an Al-Fe-based intermetallic compound, and in the cross-sectional structure structure of the compressor component for a transport machine, the average equivalent circle diameter of the Al-Fe-based intermetallic compound is 0.1 ⁇ m to Transport compressor component characterized in that it is in the range of 3.0 ⁇ m.
  • the intermetallic compound is an Al-Fe-V-Mo based intermetallic compound containing at least Al, Fe, V and Mo,
  • the content of Al is 81.60% by mass to 92.37% by mass
  • the content of Fe is 2.58% by mass to 10.05% by mass
  • the content of V is 1.44% by mass 3.
  • Fe 5.0% by mass to 9.0% by mass
  • V 0.1% by mass to 3.0% by mass
  • Mo 0.1% by mass to 3.0% by mass
  • Zr 0.1 Compression molding process to obtain a green compact by compression molding an aluminum alloy powder containing: mass% to 2.0 mass%, Ti: 0.02 mass% to 2.0 mass%, the balance being Al and unavoidable impurities
  • An extrusion step of hot extruding the green compact to obtain an extruded material Cutting the extruded material to obtain a compressor component for a transport machine;
  • the compressor component for a transporter contains an Al-Fe-based intermetallic compound in the compressor component for a transporter, and the cross-sectional structure of the compressor component for the transporter is the Al-Fe-based intermetallic compound.
  • a molten metal of an aluminum alloy containing: mass% to 2.0 mass%, Ti: 0.02 mass% to 2.0 mass%, the balance being Al and unavoidable impurities is rapidly solidified by solidification and pulverized to powder
  • a powdering step of obtaining an alloy powder A compression molding step of compression molding the aluminum alloy powder to obtain a green compact; An extrusion step of hot extruding the green compact to obtain an extruded material; Cutting the extruded material to obtain a compressor component for a transport machine;
  • the compressor component for a transporter contains an Al-Fe-based intermetallic compound in the compressor component for a transporter, and the cross-sectional structure of the compressor component for the transporter is the Al-Fe-based intermetallic compound.
  • a compressor part for a transporter made of aluminum alloy excellent in mechanical properties (static strength, creep property, etc.) at high temperature is provided.
  • the obtained compressor component for a transporter is suitably used as a compressor component for a transporter such as a car.
  • the compressor component for a transport comprises: Fe: 5.0% by mass to 9.0% by mass, V: 0.1% by mass to 3.0% by mass, Mo: 0.1% by mass to 3.%.
  • Fe 5.0% by mass to 9.0% by mass
  • V 0.1% by mass to 3.0% by mass
  • Mo 0.1% by mass to 3.%.
  • Ti 0.02% by mass to 2.0% by mass, with the balance being Al and unavoidable impurities
  • the equivalent diameter is in the range of 0.1 ⁇ m to 3.0 ⁇ m.
  • Fe 5.0% by mass to 9.0% by mass
  • V 0.1% by mass to 3.0% by mass
  • Mo 0.1% by mass to 3.0% by mass
  • Zr 0
  • Ti 0.02% by mass to 2.0% by mass, the balance being Al and unavoidable impurities.
  • the production method of the aluminum alloy powder having the specific composition is not particularly limited, but Fe: 5.0% by mass to 9.0% by mass, V: 0.1% by mass to 3.0% by mass, Mo: 0.1 Aluminum alloy containing mass% to 3.0 mass%, Zr: 0.1 mass% to 2.0 mass%, Ti: 0.02 mass% to 2.0 mass%, the balance being Al and unavoidable impurities
  • the molten metal is rapidly solidified by atomization and solidified into powder to obtain an aluminum alloy powder (aluminum alloy atomized powder) (powdering step).
  • a molten aluminum alloy of the above specific composition is prepared by a general melting method.
  • the obtained molten aluminum alloy is pulverized by an atomizing method.
  • the atomization method is a method of forming minute droplets of molten aluminum alloy into mist and spraying them by a gas flow of nitrogen gas or the like from a spray nozzle, and rapidly cooling and solidifying the minute droplets to obtain fine aluminum alloy powder.
  • the cooling rate is preferably 10 2 to 10 5 ° C./s. It is preferable to obtain an aluminum alloy powder having an average particle size of 30 ⁇ m to 70 ⁇ m. While being able to remarkably improve the yield of alloy powder preparation by being 30 micrometers or more, mixing of a coarse oxide and a foreign material can be avoided by being 70 micrometers or less.
  • the obtained aluminum alloy powder is preferably classified using a sieve.
  • the aluminum alloy powder obtained in the powdering step is compression molded to obtain a green compact (compression molding step).
  • compression molding step the aluminum alloy powder heated to 250 ° C. to 300 ° C. is filled in a mold heated to 230 ° C. to 270 ° C., and compression molded into a predetermined shape to obtain a green compact.
  • the pressure for the compression molding is not particularly limited, but in general, it is preferable to set to 0.5 ton / cm 2 to 3.0 ton / cm 2 . Further, it is preferable to make a green compact having a relative density of 60% to 90%.
  • the shape of the green compact is not particularly limited, but is preferably cylindrical or disk-like in consideration of the next extrusion step.
  • the green compact obtained in the compression molding step is hot-extruded to obtain an extruded material (extrusion step).
  • the green compact is subjected to machining such as facing as required, and then subjected to a degassing treatment, and is heated and subjected to an extrusion process.
  • the heating temperature of the green compact before extrusion is preferably 300 ° C. to 450 ° C.
  • the green compact is inserted into an extrusion container, pressure is applied by an extrusion ram, and extruded from an extrusion die into, for example, a round bar shape. At this time, it is desirable to heat the extrusion container to 300 ° C. to 400 ° C. in advance.
  • the extrusion pressure is preferably set to 10 MPa to 25 MPa.
  • the extruded material obtained in the extrusion step is cut to obtain a compressor component for a transport machine (cutting step).
  • the extruded material is subjected to lathe processing, and cut using a 5-axis processing machine or the like using a cutter such as a ball end mill to obtain a transport compressor component having a predetermined shape (see FIG. 1).
  • the compressor component for a transporter obtained in the cutting step contains an Al-Fe based intermetallic compound in the compressor component for a transporter, and in the cross-sectional structure structure of the compressor component for a transporter, the Al- The average equivalent circular diameter of the Fe-based intermetallic compound is in the range of 0.1 ⁇ m to 3.0 ⁇ m.
  • the compressor component 1 for transport of the present invention can be obtained (see FIG. 1).
  • the compressor part 1 for transport machine obtained by the manufacturing method of the compressor part for transport machine according to the present invention mentioned above is Fe: 5.0 mass% to 9.0 mass%, V: 0.1 Mass% to 3.0 mass%, Mo: 0.1 mass% to 3.0 mass%, Zr: 0.1 mass% to 2.0 mass%, Ti: 0.02 mass% to 2.0 mass%
  • compressor part 1 for transports which concerns on this invention is not limited to the compressor part for transports obtained by the said manufacturing method, The thing obtained by the other manufacturing method is also included.
  • the aluminum alloy contains Fe: 5.0% by mass to 9.0% by mass, V: 0.1% by mass to 3.0% by mass, Mo: 0.1% by mass to 3.0% by mass, Zr: 0
  • the Fe (component) is an element capable of forming an Al—Fe based intermetallic compound having a high melting point and improving mechanical properties (static strength, creep properties, etc.) in a high temperature range of 200 ° C. to 350 ° C., for example. is there.
  • the Fe content in the aluminum alloy is in the range of 5.0% by mass to 9.0% by mass. If the Fe content is less than 5.0% by mass, the strength of the compressor component for the transport machine is reduced, and if the Fe content exceeds 9.0% by mass, the ductility of the compressor component for the transport machine is reduced. Therefore, it is not possible to obtain a compressor component for a transport machine excellent in mechanical characteristics (static strength, creep characteristics, etc.) at high temperatures.
  • the Fe content in the aluminum alloy is preferably in the range of 7.0% by mass to 8.0% by mass.
  • the V (component) is an element capable of forming an Al-Fe-V-Mo intermetallic compound and improving mechanical properties (static strength, creep properties, etc.) in a high temperature range of 200 ° C. to 350 ° C., for example. is there.
  • the V content in the aluminum alloy is in the range of 0.1% by mass to 3.0% by mass. When the V content is less than 0.1% by mass, the strength of the compressor component for the transport machine is reduced, and when the V content exceeds 3.0% by mass, the ductility of the compressor component for the transport machine is reduced. Therefore, it is not possible to obtain a compressor component for a transport machine excellent in mechanical characteristics (static strength, creep characteristics, etc.) at high temperatures.
  • the V content in the aluminum alloy is preferably in the range of 1.0% by mass to 2.0% by mass.
  • the Mo (component) is an element capable of forming an Al-Fe-V-Mo based intermetallic compound and improving mechanical properties (static strength, creep properties, etc.) in a high temperature range of 200 ° C. to 350 ° C., for example. is there.
  • the Mo content in the aluminum alloy is in the range of 0.1% by mass to 3.0% by mass. When the Mo content is less than 0.1% by mass, the strength of the compressor component for the transport machine is reduced, and when the Mo content exceeds 3.0% by mass, the ductility of the compressor component for the transport machine is reduced. Therefore, it is not possible to obtain a compressor component for a transport machine excellent in mechanical characteristics (static strength, creep characteristics, etc.) at high temperatures.
  • the Mo content in the aluminum alloy is preferably in the range of 1.0% by mass to 2.0% by mass.
  • the Zr is an element that can realize fine crystallization of the intermetallic compound without causing coarsening of the Al—Fe—V—Mo intermetallic compound. Further, by containing the above-mentioned Zr, the high temperature strength can be improved, and the effect that the self diffusion of Al in the Al matrix can be suppressed and the creep characteristics can be improved can also be obtained.
  • the Zr content in the aluminum alloy is in the range of 0.1% by mass to 2.0% by mass. If the Zr content is less than 0.1% by mass, the effect of precipitation strengthening and dispersion strengthening can not be exhibited.
  • the Zr content in the aluminum alloy is preferably in the range of 0.5% by mass to 1.5% by mass.
  • the Ti (component) has a role of forming an Al— (Ti, Zr) -based intermetallic compound of L 12 structure with Al, in cooperation with the Zr.
  • Ti has a small diffusion coefficient in the Al matrix, the effect of being able to improve the creep characteristics is also obtained.
  • the Ti content in the aluminum alloy is in the range of 0.02% by mass to 2.0% by mass. If the Ti content is less than 0.02% by mass, the effect of precipitation strengthening and dispersion strengthening can not be exhibited. Moreover, when the Ti content exceeds 2.0% by mass, the ductility of the compressor component for transport decreases, and the compressor component for transport excellent in mechanical characteristics (static strength, creep characteristics, etc.) at high temperature Can not get.
  • the Ti content in the aluminum alloy is preferably in the range of 0.5% by mass to 1.0% by mass.
  • the aluminum alloy may be configured (composed) to further include 0.0001% by mass to 0.03% by mass of B (boron).
  • B boron
  • the compressor part for a transport machine contains an Al-Fe-based intermetallic compound, and in the cross-sectional structure structure of the compressor part for a transport machine, the average equivalent circle diameter of the Al-Fe-based intermetallic compound is It is in the range of 0.1 ⁇ m to 3.0 ⁇ m.
  • the average equivalent circle diameter of the intermetallic compound is less than 0.1 ⁇ m, the effect of dispersion strengthening can not be exhibited.
  • the average equivalent circle diameter of the intermetallic compound exceeds 3.0 ⁇ m, it becomes a coarse intermetallic compound, and it breaks from that point, causing a problem that the mechanical properties are deteriorated.
  • the average equivalent circle diameter of the Al-Fe based intermetallic compound is preferably in the range of 0.3 ⁇ m to 2.0 ⁇ m, and more preferably 0.4 ⁇ m to 1. Particularly preferred is a range of 5 ⁇ m.
  • the Al-Fe-based intermetallic compound is not particularly limited, and examples thereof include Al-Fe-V-Mo-based intermetallic compounds containing at least Al, Fe, V and Mo. .
  • the content of Al is 81.60% by mass to 92.37% by mass
  • the content of Fe is 2.58% by mass to 10.05% by mass
  • V is The content is preferably 1.44% to 4.39% by mass
  • the content of Mo is preferably 2.45% to 3.62% by mass, and in this case, good in a high temperature range of 200 ° C. or higher Mechanical properties can be obtained.
  • the equivalent circle diameter of the Al-Fe-based intermetallic compound is a circle having the same area as the area of the Al-Fe-based intermetallic compound in the SEM photograph (image) of the cross section of the compressor component 1 for a transport machine. It is a value converted as a diameter.
  • Example 1 Fe: 8.0 mass%, V: 2.0 mass%, Mo: 2.0 mass%, Zr: 1.0 mass%, Ti: 0.1 mass%, Al: 86.9 mass% After heating an aluminum alloy containing unavoidable impurities to obtain a molten aluminum alloy at 1000 ° C., the molten aluminum alloy is atomized with a gas, quenched and solidified to a powder, and aluminum having an average particle diameter of 50 ⁇ m. An alloy powder (aluminum alloy atomized powder) was obtained (powdering step).
  • the obtained aluminum alloy powder is preheated to a temperature of 280 ° C., and the preheated aluminum alloy powder is charged into the mold heated and held at the same 280 ° C., at a pressure of 1.5 tons / cm 2 .
  • Compression molding was performed to obtain a cylindrical green compact (diameter) of 210 mm and a length of 250 mm.
  • the obtained green compact was chamfered to a diameter of 203 mm with a lathe to obtain a billet of the green compact (compression molding step).
  • the obtained billet is heated to 400 ° C., and this heated billet is inserted into an extrusion container with an inner diameter of 210 mm heated to 400 ° C., and an extrusion ratio of 6.4 by an indirect extrusion method using a die with an inner diameter of 83 mm. Extruded to obtain an extruded material (extrusion step).
  • the obtained extruded material was subjected to lathe processing, and cut using a ball end mill (blade) with a 5-axis processing machine to obtain a compressor part 1 for a transport machine shown in FIG. Process).
  • Example 2 As an aluminum alloy for forming a molten aluminum alloy, Fe: 8.0 mass%, V: 2.0 mass%, Mo: 2.0 mass%, Zr: 1.0 mass%, Ti: 0.5 mass %, Al: 86.5 mass% was contained, and it carried out similarly to Example 1 except having used the aluminum alloy which contains an unavoidable impurity, and obtained the compressor part 1 for transport machines.
  • Example 3 As an aluminum alloy for forming a molten aluminum alloy, Fe: 8.0 mass%, V: 2.0 mass%, Mo: 2.0 mass%, Zr: 1.0 mass%, Ti: 1.0 mass %, Al: 86.0 mass% was contained, and it carried out similarly to Example 1 except having used the aluminum alloy containing an unavoidable impurity, and obtained the compressor part 1 for transport machines.
  • Example 4 As an aluminum alloy for forming a molten aluminum alloy, Fe: 8.0 mass%, V: 2.0 mass%, Mo: 2.0 mass%, Zr: 1.0 mass%, Ti: 2.0 mass %, Al: 85.0 mass% was contained, and it carried out similarly to Example 1 except having used the aluminum alloy containing an unavoidable impurity, and obtained the compressor part 1 for transport machines.
  • Example 5 As an aluminum alloy for forming a molten aluminum alloy, Fe: 8.0% by mass, V: 2.0% by mass, Mo: 2.0% by mass, Zr: 0.5% by mass, Ti: 1.0% by mass %, Al: 86.5 mass% was contained, and it carried out similarly to Example 1 except having used the aluminum alloy which contains an unavoidable impurity, and obtained the compressor part 1 for transport machines.
  • Example 6 As an aluminum alloy for forming a molten aluminum alloy, Fe: 8.0 mass%, V: 2.0 mass%, Mo: 2.0 mass%, Zr: 1.5 mass%, Ti: 1.0 mass %, Al: 85.5 mass% was contained, and it carried out similarly to Example 1 except having used the aluminum alloy containing an unavoidable impurity, and obtained the compressor part 1 for transport machines.
  • Example 7 As an aluminum alloy for forming a molten aluminum alloy, Fe: 8.0 mass%, V: 2.0 mass%, Mo: 0.5 mass%, Zr: 1.0 mass%, Ti: 1.0 mass %, Al: 87.5 mass%, and using the aluminum alloy containing unavoidable impurities, it carried out similarly to Example 1, and obtained compressor part 1 for transport machines.
  • Example 8 As an aluminum alloy for forming a molten aluminum alloy, Fe: 8.0 mass%, V: 2.0 mass%, Mo: 1.5 mass%, Zr: 1.0 mass%, Ti: 1.0 mass %, Al: 86.5 mass% was contained, and it carried out similarly to Example 1 except having used the aluminum alloy which contains an unavoidable impurity, and obtained the compressor part 1 for transport machines.
  • Example 9 As an aluminum alloy for forming a molten aluminum alloy, Fe: 8.0% by mass, V: 0.5% by mass, Mo: 2.0% by mass, Zr: 1.0% by mass, Ti: 1.0% by mass %, Al: 87.5 mass%, and using the aluminum alloy containing unavoidable impurities, it carried out similarly to Example 1, and obtained compressor part 1 for transport machines.
  • Example 10 As an aluminum alloy for forming a molten aluminum alloy, Fe: 8.0 mass%, V: 1.5 mass%, Mo: 2.0 mass%, Zr: 1.0 mass%, Ti: 1.0 mass %, Al: 86.5 mass% was contained, and it carried out similarly to Example 1 except having used the aluminum alloy which contains an unavoidable impurity, and obtained the compressor part 1 for transport machines.
  • Example 11 As an aluminum alloy for forming a molten aluminum alloy, Fe: 6.0% by mass, V: 2.0% by mass, Mo: 2.0% by mass, Zr: 1.0% by mass, Ti: 1.0% by mass % And Al: 88.0 mass%, and using the aluminum alloy containing unavoidable impurities, it carried out similarly to Example 1, and obtained compressor part 1 for transport machines.
  • Example 12 As an aluminum alloy for forming a molten aluminum alloy, Fe: 7.0% by mass, V: 2.0% by mass, Mo: 2.0% by mass, Zr: 1.0% by mass, Ti: 1.0% by mass % And Al: 87.0 mass%, and using the aluminum alloy containing unavoidable impurities, it carried out similarly to Example 1, and obtained compressor part 1 for transport machines.
  • Comparative Example 1 As an aluminum alloy for forming a molten aluminum alloy, Fe: 8.0 mass%, V: 2.0 mass%, Mo: 2.0 mass%, Zr: 1.0 mass%, Al: 87.0 mass %, And a compressor component for a transporter was obtained in the same manner as in Example 1 except that an aluminum alloy containing unavoidable impurities was used.
  • Comparative Example 2 As an aluminum alloy for forming a molten aluminum alloy, Fe: 8.0 mass%, V: 2.0 mass%, Zr: 1.0 mass%, Si: 2.0 mass%, Cu: 0.13 mass In the same manner as in Example 1 except that an aluminum alloy containing 0.1% by mass, 0.13% by mass of Al, and 86.74% by mass of Al and containing unavoidable impurities is used, a compressor component for a transport machine is obtained.
  • Comparative Example 3 As an aluminum alloy for forming a molten aluminum alloy, Fe: 8.0% by mass, V: 2.0% by mass, Mo: 2.0% by mass, Zr: 1.0% by mass, Si: 2.0% by mass %, Al: 85.0 mass% was contained, and it carried out similarly to Example 1 except having used the aluminum alloy containing an unavoidable impurity, and obtained the compressor component for transport machines.
  • Comparative Example 4 As an aluminum alloy for forming a molten aluminum alloy, Fe: 8.0% by mass, V: 2.0% by mass, Mo: 2.0% by mass, Zr: 1.0% by mass, Mg: 1.0% by mass %, Al: 86.0 mass% was contained, and it carried out similarly to Example 1 except having used the aluminum alloy containing an unavoidable impurity, and obtained the compressor component for transport machines.
  • Comparative Example 5 As an aluminum alloy for forming a molten aluminum alloy, Fe: 8.0 mass%, V: 2.0 mass%, Mo: 2.0 mass%, Ti: 1.0 mass%, Al: 87.0 mass %, And a compressor component for a transporter was obtained in the same manner as in Example 1 except that an aluminum alloy containing unavoidable impurities was used.
  • Comparative Example 6 As an aluminum alloy for forming a molten aluminum alloy, Fe: 8.0 mass%, V: 2.0 mass%, Zr: 1.0 mass%, Ti: 1.0 mass%, Al: 88.0 mass %, And a compressor component for a transporter was obtained in the same manner as in Example 1 except that an aluminum alloy containing unavoidable impurities was used.
  • Comparative Example 7 As an aluminum alloy for forming a molten aluminum alloy, Fe: 8.0 mass%, Mo: 2.0 mass%, Zr: 1.0 mass%, Ti: 1.0 mass%, Al: 88.0 mass %, And a compressor component for a transporter was obtained in the same manner as in Example 1 except that an aluminum alloy containing unavoidable impurities was used.
  • Comparative Example 8 As an aluminum alloy for forming a molten aluminum alloy, V: 2.0% by mass, Mo: 2.0% by mass, Zr: 1.0% by mass, Ti: 1.0% by mass, Al: 94.0% %, And a compressor component for a transporter was obtained in the same manner as in Example 1 except that an aluminum alloy containing unavoidable impurities was used.
  • Comparative Example 9 As an aluminum alloy for forming a molten aluminum alloy, Fe: 8.0 mass%, V: 2.0 mass%, Mo: 2.0 mass%, Zr: 2.5 mass%, Ti: 1.0 mass %, Al: 84.5 mass% was contained, and it carried out similarly to Example 1 except having used the aluminum alloy containing an unavoidable impurity, and obtained the compressor part for transport machines.
  • Comparative Example 10 As an aluminum alloy for forming a molten aluminum alloy, Fe: 8.0 mass%, V: 2.0 mass%, Mo: 4.0 mass%, Zr: 1.0 mass%, Ti: 1.0 mass % And Al: 84.0% by mass, except that an aluminum alloy containing unavoidable impurities was used, a compressor component for a transporter was obtained in the same manner as in Example 1.
  • Comparative Example 11 As an aluminum alloy for forming a molten aluminum alloy, Fe: 6.0% by mass, V: 4.0% by mass, Mo: 2.0% by mass, Zr: 1.0% by mass, Ti: 1.0% by mass %, Al: 86.0 mass% was contained, and it carried out similarly to Example 1 except having used the aluminum alloy containing an unavoidable impurity, and obtained the compressor component for transport machines.
  • Comparative Example 12 As an aluminum alloy for forming a molten aluminum alloy, Fe: 10.0 mass%, V: 2.0 mass%, Mo: 2.0 mass%, Zr: 1.0 mass%, Ti: 1.0 mass % And Al: 84.0% by mass, except that an aluminum alloy containing unavoidable impurities was used, a compressor component for a transporter was obtained in the same manner as in Example 1.
  • average equivalent circular diameter ( ⁇ m) of intermetallic compound indicates the Al—Fe—V—Mo intermetallic compound (Al, Fe, V) present in the matrix of the compressor component for each transport machine.
  • the “average equivalent circle diameter ( ⁇ m) of the intermetallic compound” is a structure having a size of 10 mm in length ⁇ 10 mm in width ⁇ 10 mm in thickness from the main body (shaft portion) at the center of the obtained compressor component for transport machine A sample piece for observation is cut out, this sample piece is micro-polished using a cross section sample preparation apparatus (Cross section polisher), and a SEM photograph (scanning electron micrograph) of the sample piece after micro-grinding is taken, and this photograph image
  • the average equivalent circle diameter ( ⁇ m) of the intermetallic compound was determined (evaluated) from the above.
  • the average equivalent circular diameter was determined for 10 Al—Fe—V—Mo intermetallic compounds present in the range of 1.5815 mm 2 of the field of view in the SEM photograph.
  • the high-temperature tensile strength (at 260 ° C.) is obtained by processing the obtained compressor component for a transport machine into a tensile test specimen having a distance between marks of 20 mm and a parallel part diameter of 4 mm, and conducting a high temperature tensile test of the tensile test specimen. Tensile strength was measured. The high temperature tensile test was conducted under the measurement environment of 260 ° C. after holding the high temperature tensile test piece at 260 ° C. for 100 hours. It evaluated based on the following judgment criteria. (Judgment criteria) " ⁇ " ...
  • Tensile strength at 260 ° C is 355MPa or more " ⁇ ” ...
  • Tensile strength at 260 ° C is 350MPa or more and less than 355MPa " ⁇ ” ...
  • the high temperature fatigue strength (at 260 ° C.) is obtained by processing the obtained compressor component for a transport machine into a fatigue test piece with a distance between marks of 30 mm and a parallel part diameter of 8 mm, and conducting a high temperature fatigue test of the fatigue test piece. The fatigue strength was measured.
  • the high temperature fatigue test was conducted 500,000 times of testing at a repetition rate of 3600 rpm in a measuring environment of 260 ° C. after holding a fatigue test piece at 260 ° C. for 100 hours. It evaluated based on the following judgment criteria. (Judgment criteria) " ⁇ " ... Fatigue strength at 260 ° C is 210 MPa or more " ⁇ " ...
  • Fatigue strength at 260 ° C is 205 MPa or more and less than 210 MPa " ⁇ ” ... Fatigue strength at 260 ° C is 200 MPa or more and less than 205 MPa " ⁇ ” ... 260 ° C Fatigue strength of less than 200 MPa.
  • Creep test method at high temperature The resulting compressor component for a transport machine is processed into a creep test specimen having a distance between marks of 30 mm and a diameter of parallel section of 6 mm, and the high temperature creep characteristics (260 ° C. Creep characteristics were measured.
  • the high temperature creep test was conducted under the measurement environment of 260 ° C. after holding the creep test piece at 260 ° C. for 100 hours.
  • the creep rupture strength under the conditions of temperature: 260 ° C. and rupture time of 300 hours was calculated and evaluated based on the following judgment criteria. (Judgment criteria) " ⁇ " ... Creep rupture strength at 260 ° C is 215 MPa or more " ⁇ " ...
  • Creep rupture strength at 260 ° C is 210 MPa or more and less than 215 MPa " ⁇ ” ... Creep rupture strength at 260 ° C is 205 MPa or more and less than 210 MPa " ⁇ ” ... Creep rupture strength at 260 ° C. is less than 205 MPa.
  • the compressor parts for transporters of Examples 1 to 12 according to the present invention were excellent in various mechanical properties at high temperature (260 ° C.).
  • the compressor component for a transporter according to the present invention, and the compressor component for a transporter obtained by the manufacturing method of the present invention are excellent in mechanical characteristics at high temperatures, and thus are suitably used as a compressor component for transporters such as automobiles. used.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Compressor (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)

Abstract

L'invention concerne un élément de compresseur à fonction de transport qui présente des propriétés mécaniques supérieures à des températures élevées. L';élément de compresseur (1) à fonction de transport est formé à partir d'un alliage d'aluminium qui comprend de 5,0 à 9,0 % en masse de Fe, de 0,1 à 3,0 % en masse de V, de 0,1 à 3,0 % en masse de Mo, de 0,1 à 2,0 % en masse de Zr et de 0,02 à 2,0 % en masse de Ti, le reste étant de l'Al et des impuretés inévitables. Le composant de compresseur (1) à fonction de transport comprend un composé intermétallique Al-Fe, et le diamètre équivalent circulaire moyen du composé intermétallique Al-Fe dans une structure de composition en coupe transversale du composant de compresseur à fonction de transport est dans la plage de 0,1 à 3,0 µm.
PCT/JP2018/033951 2017-10-03 2018-09-13 Élément de compresseur à fonction de transport et procédé de fabrication associé WO2019069651A1 (fr)

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CN201880058088.9A CN111065754A (zh) 2017-10-03 2018-09-13 运输机用压缩机部件及其制造方法
DE112018005544.2T DE112018005544T5 (de) 2017-10-03 2018-09-13 Kompressorbestandteil für einen Transporter und Herstellungsverfahren dafür
US16/651,211 US20200238385A1 (en) 2017-10-03 2018-09-13 Compressor component for transport and method for manufacturing same

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JP2017193270A JP2019065359A (ja) 2017-10-03 2017-10-03 高温における機械的特性に優れたアルミニウム粉末合金製輸送機用圧縮機部品及びその製造方法

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
WO2019193985A1 (fr) * 2018-04-03 2019-10-10 株式会社豊田自動織機 Pièce de compresseur pour avion de transport présentant d'excellentes propriétés mécaniques à haute température et son procédé de fabrication
WO2022079964A1 (fr) * 2020-10-12 2022-04-21 株式会社豊田自動織機 Composant de compresseur pour machine de transport, et son procédé de fabrication

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JP2019065358A (ja) * 2017-10-03 2019-04-25 昭和電工株式会社 アルミニウム合金粉末及びその製造方法、アルミニウム合金押出材及びその製造方法
JP7494693B2 (ja) 2020-10-12 2024-06-04 株式会社豊田自動織機 輸送機用圧縮機部品

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JPS6310221B2 (fr) * 1984-08-13 1988-03-04 Sumitomo Light Metal Ind
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JPH108162A (ja) * 1996-06-17 1998-01-13 Sumitomo Light Metal Ind Ltd 高温強度に優れたアルミニウム合金材の製造方法
JPH1026002A (ja) * 1996-07-10 1998-01-27 Mitsubishi Heavy Ind Ltd アルミニウム合金製羽根車及びその製造方法

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JPH09249930A (ja) * 1996-03-13 1997-09-22 Mitsubishi Heavy Ind Ltd 高温強度に優れたアルミニウム合金
JPH108162A (ja) * 1996-06-17 1998-01-13 Sumitomo Light Metal Ind Ltd 高温強度に優れたアルミニウム合金材の製造方法
JPH1026002A (ja) * 1996-07-10 1998-01-27 Mitsubishi Heavy Ind Ltd アルミニウム合金製羽根車及びその製造方法

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WO2019193985A1 (fr) * 2018-04-03 2019-10-10 株式会社豊田自動織機 Pièce de compresseur pour avion de transport présentant d'excellentes propriétés mécaniques à haute température et son procédé de fabrication
WO2022079964A1 (fr) * 2020-10-12 2022-04-21 株式会社豊田自動織機 Composant de compresseur pour machine de transport, et son procédé de fabrication

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