EP3184211A1 - Material, das durch kompaktieren und verdichten von metallpulver(n) entsteht - Google Patents

Material, das durch kompaktieren und verdichten von metallpulver(n) entsteht Download PDF

Info

Publication number
EP3184211A1
EP3184211A1 EP15201640.8A EP15201640A EP3184211A1 EP 3184211 A1 EP3184211 A1 EP 3184211A1 EP 15201640 A EP15201640 A EP 15201640A EP 3184211 A1 EP3184211 A1 EP 3184211A1
Authority
EP
European Patent Office
Prior art keywords
powder
powders
phase
process according
densification
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.)
Withdrawn
Application number
EP15201640.8A
Other languages
English (en)
French (fr)
Inventor
Jean-Claude EICHENBERGER
Hung Quoc TRAN
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.)
ETA SA Manufacture Horlogere Suisse
Original Assignee
ETA SA Manufacture Horlogere Suisse
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 ETA SA Manufacture Horlogere Suisse filed Critical ETA SA Manufacture Horlogere Suisse
Priority to EP15201640.8A priority Critical patent/EP3184211A1/de
Priority to EP16801424.9A priority patent/EP3393701B1/de
Priority to JP2018532780A priority patent/JP6793730B2/ja
Priority to PCT/EP2016/078201 priority patent/WO2017108293A1/fr
Priority to CN201680079730.2A priority patent/CN108495730B/zh
Priority to US16/064,314 priority patent/US10987732B2/en
Publication of EP3184211A1 publication Critical patent/EP3184211A1/de
Priority to US17/193,309 priority patent/US11759857B2/en
Withdrawn legal-status Critical Current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
    • 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
    • B22F3/12—Both compacting and sintering
    • B22F3/16—Both compacting and sintering in successive or repeated 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
    • 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
    • B22F1/052—Metallic powder characterised by the size or surface area of the particles characterised by a mixture of particles of different sizes or by the particle size distribution
    • 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
    • B22F3/02—Compacting only
    • 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
    • B22F5/08—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of toothed articles, e.g. gear wheels; of cam discs
    • 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
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/002—Alloys based on nickel or cobalt with copper as the next major constituent
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C30/00—Alloys containing less than 50% by weight of each constituent
    • C22C30/02—Alloys containing less than 50% by weight of each constituent containing copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C30/00—Alloys containing less than 50% by weight of each constituent
    • C22C30/06—Alloys containing less than 50% by weight of each constituent containing zinc
    • 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
    • C22C9/02—Alloys based on copper with tin as the next major constituent
    • 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
    • C22C9/04—Alloys based on copper with zinc as the next major constituent
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/14—Mainsprings; Bridles therefor
    • G04B1/145—Composition and manufacture of the springs
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B13/00—Gearwork
    • G04B13/02—Wheels; Pinions; Spindles; Pivots
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B15/00—Escapements
    • G04B15/14—Component parts or constructional details, e.g. construction of the lever or the escape wheel
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/04—Oscillators acting by spring tension
    • G04B17/06—Oscillators with hairsprings, e.g. balance
    • G04B17/066—Manufacture of the spiral spring
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B31/00—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor
    • G04B31/06—Manufacture or mounting processes
    • 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
    • B22F2009/0828—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 with water
    • 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
    • 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
    • B22F2301/15—Nickel or cobalt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2301/00—Metallic composition of the powder or its coating
    • B22F2301/30—Low melting point metals, i.e. Zn, Pb, Sn, Cd, In, Ga
    • 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
    • B22F2303/00—Functional details of metal or compound in the powder or product
    • B22F2303/15—Intermetallic
    • 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
    • B22F2304/00—Physical aspects of the powder
    • B22F2304/10—Micron size particles, i.e. above 1 micrometer up to 500 micrometer
    • 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
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy

Definitions

  • the present invention relates to a material and its method of manufacturing powder metallurgy.
  • An area of application targeted with this new material is that of mechanics and, more specifically, micromechanics. It is even more specifically adapted for components having complex geometries with severe tolerances, as in watchmaking, for example.
  • Powder metallurgy materials are of considerable technological importance and are used in a wide range of fields from nuclear to biomedical.
  • the present invention proposes to select the composition of the starting powders according to the desired properties on the final product and to adapt the parameters of the process to limit the interactions between the powders and thus obtain the expected properties on the basis of the initial choice of the powders.
  • the figure 1 represents the microstructure of a three-phase material obtained with the method according to the invention.
  • the densification was carried out at a temperature close to 500 ° C on a compacted mixture of nickel, brass and bronze.
  • the figure 2 represents this same microstructure after image processing to reveal the different phases.
  • the Figures 3 and 4 represent the microstructure of the same triphasic material when the densification is operated at a temperature close to 700 ° C.
  • the Figures 5 and 6 represent, by way of comparison, the microstructures of materials of the prior art obtained by powder metallurgy.
  • To the figure 5 it is a bi-phased sintered solid ( US 5,294,269 ).
  • White represents the heavy phase consisting mainly of tungsten.
  • the black phase is the metallic binder phase consisting essentially of a nickel, iron, copper, cobalt and molybdenum alloy.
  • To the figure 6 it is a sintered cermet ( US 2004/0231459 ).
  • Binder is the binder phase made of stainless steel 347SS.
  • the ceramic phase is composed of TiC (titanium carbide).
  • the last phase consists of precipitates M 7 C 3 where M contains chromium, iron and titanium.
  • the present invention relates to a method of manufacturing a material by powder metallurgy and to the material resulting from the process.
  • the method is adapted so that the microstructure of the material is perfectly homogeneous through its volume and that it is an image as faithful as possible of the microstructure of the mixed powders and their initial distribution in the mixture.
  • the material resulting from the process may be a finished product or a semi-finished product requiring a subsequent machining step.
  • the material is a metallic material obtained from a three-step process.
  • the first step consists of selecting one or more metal powders and dosing them when several powders are present. It can be powders of a pure metal or an alloy.
  • the number of starting powders, their compositions and their respective percentages depend on the physico-mechanical properties desired on the consolidated product.
  • the powders are at least two in number to combine the properties of different compositions.
  • Each powder is formed of particles having a particle size chosen to guarantee the quality of the material.
  • their average diameter d 50 is preferably chosen in a range between 1 and 100 microns.
  • the metal powders are chosen from the non-exhaustive list comprising pure metals or alloys based on titanium, copper, zinc, iron, aluminum, nickel, chromium, cobalt, vanadium and zirconium. , niobium, molybdenum, palladium, silver, tantalum, tungsten, platinum and gold.
  • the mixture comprises three powders: a nickel powder, a bronze powder and a brass powder.
  • the percentages Cu, Sn and Cu, Zn can be respectively modulated.
  • the content of Cu and Zn can be respectively 60 and 40% and for bronze, the content of Cu and Sn can be respectively 90 and 10%.
  • a second step the different powders are mixed.
  • Mixing is carried out in a standard commercial dry blender.
  • the setting of the mixer and the duration of mixing are chosen so that at the end of this step, the mixture is perfectly homogeneous.
  • the mixing time is greater than 12 hours to ensure this homogeneity and less than 24 hours. It should be noted that in the presence of a single starting powder, the mixing step is optional.
  • the homogeneous mixture is shaped, i.e. compacted and densified at a temperature below the melting temperature of the respective powders.
  • Hot compaction and densification is performed using impact compaction technology as described in the application. WO 2014/199090 .
  • the mixed powders are placed in an impression made in a matrix and compaction of the mixture is carried out by means of a punch.
  • the compacted mixture is hot densified by subjecting the punch to impacts.
  • the cooling step under pressure can be omitted.
  • the process parameters are chosen to obtain a consolidated body with a relative density greater than or equal to 95% and better than or equal to 98%, while limiting the interactions between the different powders.
  • the objective is to achieve microstrain between particles to consolidate the material without significantly altering the microstructure of the various powders present.
  • the consolidation parameters are chosen to limit the degree of sintering to surface bond formation and not to volume bond formation as observed during actual sintering. Microstructurally, this intergranular bond results in the formation of bridges between particles. Limiting the interactions between particles makes it possible to maintain a distribution of the powders within the consolidated material close to that observed after mixing the powders.
  • Compaction and impact densification of the powder mixture thus makes it possible to weld the grains of the powders together while preserving a microstructure with high energy interfaces between the different constitutive phases.
  • the material resulting from the process has the characteristics that the constituent elements of the different powders do not mix and that the morphology of the base particles is retained after compaction and densification.
  • the morphology of the grains of the obtained material is an image of the morphology of the particles of the initial powder, which is advantageous for guaranteeing mechanical properties on the basis of the initial choice of morphology. powder.
  • the powder mixture is at a temperature below the melting temperature of the lower melting point powder during hot densification.
  • the mixture is brought to this temperature for a time of between 3 and 30 minutes and, preferably, between 5 and 20 minutes. It can be brought to this temperature before introduction in the press or in the press.
  • the time indicated above includes the heating time to reach the given temperature and the maintenance at this temperature.
  • the mixture is subjected to a number of impacts of between 1 and 50 with an energy level of between 500 and 2000J, this level being preferably 10 to 30% higher than the energy level required when compaction.
  • the product thus obtained has a relative density greater than or equal to 95% and, preferably, 98%, measured conventionally by weighing Archimedes.
  • a cut metallurgical reveals a very specific microstructure due to the process of shaping the material.
  • the material comprises a number of phases corresponding to the number of initial powders with a distribution of the phases substantially the same as that of the powders within the starting mixture.
  • Another very specific characteristic of this microstructure is that the surface energy of the phases thus consolidated is conserved at high levels.
  • the native morphology of the powder particles remains almost completely preserved with an interface between irregularly shaped phases, which can also be described as non-spherical.
  • the consolidated phases thus retain a high specific surface area.
  • Figures 1 and 2 reveal the microstructure obtained from a mixture of three powders: nickel, bronze, brass as shown in Table 1.
  • the mixture was compacted and densified at a temperature close to 500 ° C.
  • the microstructure has three distinct phases respectively consisting mainly of nickel, bronze and brass.
  • the homogeneity of the microstructure obtained is that obtained after the step of mixing the three kinds of powder.
  • the product thus obtained has a relative density greater than 95%.
  • Figures 3 and 4 this same homogeneity of microstructure with three distinct phases.
  • an interdiffusion between the two pairs nickel-bronze and bronze-brass is observed, the phase rich in nickel being surrounded by the phase rich in bronze. This interdiffusion makes it possible to increase the relative density to a value greater than or equal to 98%.
  • Tables 1 and 2 Three metal powders listed in Tables 1 and 2 below were selected in step 1) of the process.
  • the function of each powder is detailed in Table 1.
  • the compositions and percentages of the various powders are detailed in Table 2.
  • ⁇ u> Table 1 ⁇ / u> Selected powders Function and / or characteristic Pure nickel (Ni) metal powder Providing consolidated and densified material with good welding behavior, especially laser welding Brass alloy metal powder, with a nominal chemical composition of 60% copper (Cu) and 40% zinc (Zn). Offering good machinability Bronze alloy metal powder, with a nominal chemical composition of 90% copper (Cu) and 10% tin (Sn).
  • the powders were mixed in a commercial Turbula T10B mixer.
  • the mixing speed is an average speed of the order of 200 rpm for 24 hours.
  • the shaping was carried out using a high speed and high energy press of the manufacturer Hydropulsor.
  • the formatting was performed in two phases:
  • the dosing of the powders in the impression is done volumetrically with a given filling height.
  • this filling height is 6 mm to reach a compacted thickness of about 2 mm.
  • This parameter - filling height - can vary between 2 mm and 50 mm depending on the desired final thickness on the compacted solid.
  • the quantity of powders thus dosed is compacted between the punch above and the punch below, surrounded by a matrix to form a washer of a given diameter.
  • This compaction is done in the example with 25 impacts. The goal of this step is to get a solid enough dense for subsequent densification at hot. This compaction also serves to ensure that the solid thus compacted is sufficiently solid for handling operations during hot densification.
  • the relative density obtained at this stage is greater than 90%.
  • the compacted washer is brought to a temperature close to 700 ° C in an oven preheated to this temperature.
  • the compacted puck is placed in the oven for at least 5 minutes and preferably 15 minutes.
  • the thus heated washer is transported and placed in the cavity of diameter slightly larger than the diameter of the washer.
  • the duration of the transport of the preheated washer of the oven to the press, put in the matrix, is between 2 and 5 seconds.
  • the preheated disc is then hot densified between the top punch and the bottom punch with 25 impacts. In the absence of heating means, a decrease in temperature is observed during the densification by impact.
  • the final thickness in the example of the densified washer is about 1.8 mm.
  • the relative density of the washer is greater than 98%.
  • the microstructure is similar to that obtained at figure 3 .
  • the solid obtained is a multiphase material comprising phases having different functions.
  • the solid thus obtained has a homogeneous microstructure throughout its volume. As a result, there is no internal stress gradient across the solid. This provides geometric stability to the machined part.
  • Each phase of the solid obtained and, upstream, each powder is chosen to fulfill a specific function.
  • One of the phases may be chosen to improve the weldability, for example, by laser. This function is fulfilled by the phase consisting mainly of nickel in the example.
  • Another phase may be chosen to facilitate hot densification without sintering itself.
  • one of the phases of solid consists essentially of bronze which has the lowest melting range of the three constituents.
  • the third phase which is, as an example, the majority phase, is composed of consolidated brass powder. This phase thus mixed with the other two makes it possible to guarantee better machining aptitude by chip removal.
  • the process according to the invention also has advantages. It is thus observed that the morphology of the grains within the material is an image of the morphology of the particles of the starting powder. As the grain size plays an important role in the mechanical properties of the material, it is particularly advantageous to be able to predict the final properties on the basis of the choice of the morphology of the starting powder.
  • the morphology of the base powder or powders is maintained while obtaining a product with a high relative density, unlike the known sintering process where the consolidation at relative density values greater than or equal to 95, or even 98% is accompanied by a drastic change in morphology.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)
EP15201640.8A 2015-12-21 2015-12-21 Material, das durch kompaktieren und verdichten von metallpulver(n) entsteht Withdrawn EP3184211A1 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP15201640.8A EP3184211A1 (de) 2015-12-21 2015-12-21 Material, das durch kompaktieren und verdichten von metallpulver(n) entsteht
EP16801424.9A EP3393701B1 (de) 2015-12-21 2016-11-18 Material erhalten durch kompaktierung und verdichtung von nickel-,bronze- und messingpulvern und verfahren davon
JP2018532780A JP6793730B2 (ja) 2015-12-21 2016-11-18 金属性粉末を圧縮し高密度化して得られる材料
PCT/EP2016/078201 WO2017108293A1 (fr) 2015-12-21 2016-11-18 Materiau obtenu par compaction et densification de poudre(s) metallique(s)
CN201680079730.2A CN108495730B (zh) 2015-12-21 2016-11-18 通过金属粉末的压缩和致密化获得的材料
US16/064,314 US10987732B2 (en) 2015-12-21 2016-11-18 Material obtained by compaction and densification of metallic powder(s)
US17/193,309 US11759857B2 (en) 2015-12-21 2021-03-05 Material obtained by compaction and densification of metallic powder(s)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15201640.8A EP3184211A1 (de) 2015-12-21 2015-12-21 Material, das durch kompaktieren und verdichten von metallpulver(n) entsteht

Publications (1)

Publication Number Publication Date
EP3184211A1 true EP3184211A1 (de) 2017-06-28

Family

ID=55070732

Family Applications (2)

Application Number Title Priority Date Filing Date
EP15201640.8A Withdrawn EP3184211A1 (de) 2015-12-21 2015-12-21 Material, das durch kompaktieren und verdichten von metallpulver(n) entsteht
EP16801424.9A Active EP3393701B1 (de) 2015-12-21 2016-11-18 Material erhalten durch kompaktierung und verdichtung von nickel-,bronze- und messingpulvern und verfahren davon

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP16801424.9A Active EP3393701B1 (de) 2015-12-21 2016-11-18 Material erhalten durch kompaktierung und verdichtung von nickel-,bronze- und messingpulvern und verfahren davon

Country Status (5)

Country Link
US (2) US10987732B2 (de)
EP (2) EP3184211A1 (de)
JP (1) JP6793730B2 (de)
CN (1) CN108495730B (de)
WO (1) WO2017108293A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111057905B (zh) * 2020-01-13 2022-03-04 西安理工大学 一种粉末冶金制备铌钛合金的方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4147568A (en) * 1976-07-15 1979-04-03 Institut Straumann Ag Copper-zinc-nickel-manganese alloys
US5294269A (en) 1992-08-06 1994-03-15 Poongsan Corporation Repeated sintering of tungsten based heavy alloys for improved impact toughness
US20040231459A1 (en) 2003-05-20 2004-11-25 Chun Changmin Advanced erosion resistant carbide cermets with superior high temperature corrosion resistance
WO2010080064A1 (en) * 2009-01-12 2010-07-15 Metec Powder Metal Ab Multilevel parts from agglomerated spherical metal powder
WO2014199090A2 (fr) 2013-06-12 2014-12-18 Centre Technique Des Industries Mecaniques Procede et ensemble de production d'une piece mecanique par frittage d'un materiau metallique pulverulent
CN104959609A (zh) * 2015-06-05 2015-10-07 东睦新材料集团股份有限公司 一种铜基粉末冶金零件的制备方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA972514A (en) * 1971-08-10 1975-08-12 Renzo Fedrigo Method of and press for compacting materials in powder form for pieces to be sintered
US4270114A (en) * 1980-04-07 1981-05-26 Cannom David L Energy transmission devices
ES2049474T3 (es) * 1989-04-07 1994-04-16 Electrolux Ab Fabricacion por sinterizacion de piezas dimensionalmente precisas.
SE0004122D0 (sv) * 2000-11-09 2000-11-09 Hoeganaes Ab High density compacts and method for the preparation thereof
JP2008038160A (ja) * 2006-08-01 2008-02-21 Kobe Steel Ltd 高密度粉末成形体の製造方法
US9243475B2 (en) * 2009-12-08 2016-01-26 Baker Hughes Incorporated Extruded powder metal compact
JP4906972B1 (ja) * 2011-04-27 2012-03-28 太陽誘電株式会社 磁性材料およびそれを用いたコイル部品
KR101501067B1 (ko) * 2013-06-07 2015-03-17 한국생산기술연구원 비정질 형성능을 가지는 결정질 합금, 그 제조방법, 스퍼터링용 합금타겟 및 그 제조방법
JP6519100B2 (ja) * 2014-04-23 2019-05-29 セイコーエプソン株式会社 焼結造形方法、液状結合剤、および焼結造形物
US10639719B2 (en) * 2016-09-28 2020-05-05 General Electric Company Grain boundary engineering for additive manufacturing
US11118246B2 (en) * 2017-08-28 2021-09-14 Nippon Steel Corporation Watch part

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4147568A (en) * 1976-07-15 1979-04-03 Institut Straumann Ag Copper-zinc-nickel-manganese alloys
US5294269A (en) 1992-08-06 1994-03-15 Poongsan Corporation Repeated sintering of tungsten based heavy alloys for improved impact toughness
US20040231459A1 (en) 2003-05-20 2004-11-25 Chun Changmin Advanced erosion resistant carbide cermets with superior high temperature corrosion resistance
WO2010080064A1 (en) * 2009-01-12 2010-07-15 Metec Powder Metal Ab Multilevel parts from agglomerated spherical metal powder
WO2014199090A2 (fr) 2013-06-12 2014-12-18 Centre Technique Des Industries Mecaniques Procede et ensemble de production d'une piece mecanique par frittage d'un materiau metallique pulverulent
CN104959609A (zh) * 2015-06-05 2015-10-07 东睦新材料集团股份有限公司 一种铜基粉末冶金零件的制备方法

Also Published As

Publication number Publication date
US11759857B2 (en) 2023-09-19
EP3393701B1 (de) 2022-05-11
WO2017108293A1 (fr) 2017-06-29
EP3393701A1 (de) 2018-10-31
JP2019508576A (ja) 2019-03-28
US20210187608A1 (en) 2021-06-24
CN108495730B (zh) 2021-06-15
US10987732B2 (en) 2021-04-27
JP6793730B2 (ja) 2020-12-02
CN108495730A (zh) 2018-09-04
US20190009331A1 (en) 2019-01-10

Similar Documents

Publication Publication Date Title
EP3853391B1 (de) Verfahren zur herstellung eines gegenstands aus einer aluminiumlegierung
EP0930948B1 (de) Verschleissfester verbundkörper
EP1728586B1 (de) Superlegierungspulver
EP0297001B1 (de) Verfahren zum Vermindern der Streuung der charakteristischen mechanischen Werte bei Wolfram-Nickel-Eisen-Legierungen
TWI431140B (zh) Method for manufacturing sputtering standard materials for aluminum - based alloys
JP2860064B2 (ja) Ｔｉ−Ａｌ合金ターゲット材の製造方法
FR3077524A1 (fr) Procede de fabrication d'une piece en alliage d'aluminium et de chrome
WO2016192177A1 (zh) 一种硬质合金功能梯度材料的成型方法
EP2951332B1 (de) Sputtertarget mit Ga-Na, In-Na oder Ga-In-Na intermetallischen Phasen
CN111334762A (zh) 一种粉末冶金AlSnCu合金靶材及其制备方法
EP3393701B1 (de) Material erhalten durch kompaktierung und verdichtung von nickel-,bronze- und messingpulvern und verfahren davon
JP4397425B1 (ja) Ｔｉ粒子分散マグネシウム基複合材料の製造方法
FR2481166A1 (fr) Procede de production d'un comprime metallique a partir d'une poudre de metal pratiquement incompressible, et poudre de metal
CH711939A2 (fr) Matériau obtenu par compaction et densification de poudre(s) métallique(s).
FR2658183A1 (fr) Article ceramique moule a base de cuivre, et son procede de fabrication.
EP0838288A1 (de) Verschleissfeste Verbundgussteile
CH536672A (fr) Procédé de fabrication d'un produit métallique et produit obtenu par ce procédé
EP1707304B1 (de) Fluss mit hoher Produktivität für Elektroslagüberzug
FR2841804A1 (fr) Procede de synthese d'un materiau composite metal-ceramique a durete renforcee et materiau obtenu par ce procede
JPH03138304A (ja) 多孔質超硬合金の製造方法
FR3108919A1 (fr) Pièce en un matériau multicouche à gradient de composition et son procédé de fabrication
FR3066418A1 (fr) Procede d'elaboration d'un materiau composite a matrice metallique par moulage par injection
FR3122591A1 (fr) Procédé de détermination de la température de frittage
JP3519152B2 (ja) ＷＣ粒子分散Ｗ強化Ｎｉ基合金およびこれを用いた複合材
BE738054A (en) Production of metallic powders

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20180102