JP7503137B2 - 付加製造用の金属粉末 - Google Patents
付加製造用の金属粉末 Download PDFInfo
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- JP7503137B2 JP7503137B2 JP2022537455A JP2022537455A JP7503137B2 JP 7503137 B2 JP7503137 B2 JP 7503137B2 JP 2022537455 A JP2022537455 A JP 2022537455A JP 2022537455 A JP2022537455 A JP 2022537455A JP 7503137 B2 JP7503137 B2 JP 7503137B2
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- 229910052751 metal Inorganic materials 0.000 title claims description 56
- 239000002184 metal Substances 0.000 title claims description 56
- 239000000843 powder Substances 0.000 title claims description 51
- 238000004519 manufacturing process Methods 0.000 title claims description 16
- 239000000654 additive Substances 0.000 title claims description 10
- 230000000996 additive effect Effects 0.000 title claims description 10
- 239000000203 mixture Substances 0.000 claims description 31
- 239000002245 particle Substances 0.000 claims description 25
- 239000012535 impurity Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 16
- 229910000859 α-Fe Inorganic materials 0.000 claims description 15
- 229910052742 iron Inorganic materials 0.000 claims description 12
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 12
- 150000002910 rare earth metals Chemical class 0.000 claims description 12
- 229910045601 alloy Inorganic materials 0.000 claims description 9
- 239000000956 alloy Substances 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 9
- 230000008018 melting Effects 0.000 claims description 9
- 239000002244 precipitate Substances 0.000 claims description 8
- 229910052715 tantalum Inorganic materials 0.000 claims description 8
- 229910017384 Fe3Si Inorganic materials 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 229910052735 hafnium Inorganic materials 0.000 claims description 7
- 229910052720 vanadium Inorganic materials 0.000 claims description 7
- 229910052721 tungsten Inorganic materials 0.000 claims description 6
- 229910052727 yttrium Inorganic materials 0.000 claims description 6
- 229910005347 FeSi Inorganic materials 0.000 claims description 5
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 3
- 238000007670 refining Methods 0.000 claims description 3
- 238000003723 Smelting Methods 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 28
- 239000010955 niobium Substances 0.000 description 22
- 239000007789 gas Substances 0.000 description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 16
- 239000010949 copper Substances 0.000 description 14
- 229910001021 Ferroalloy Inorganic materials 0.000 description 13
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 12
- 229910000831 Steel Inorganic materials 0.000 description 11
- 229910052757 nitrogen Inorganic materials 0.000 description 11
- 239000010959 steel Substances 0.000 description 11
- 229910052799 carbon Inorganic materials 0.000 description 10
- 239000011651 chromium Substances 0.000 description 10
- 238000007496 glass forming Methods 0.000 description 9
- 229910052758 niobium Inorganic materials 0.000 description 9
- 229910052710 silicon Inorganic materials 0.000 description 9
- 229910052796 boron Inorganic materials 0.000 description 8
- 238000009826 distribution Methods 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 7
- 229910052750 molybdenum Inorganic materials 0.000 description 7
- 229910052786 argon Inorganic materials 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 229910052698 phosphorus Inorganic materials 0.000 description 6
- 229910052717 sulfur Inorganic materials 0.000 description 6
- 229910052804 chromium Inorganic materials 0.000 description 5
- 238000002425 crystallisation Methods 0.000 description 5
- 230000008025 crystallization Effects 0.000 description 5
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000001465 metallisation Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 229910052726 zirconium Inorganic materials 0.000 description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 229910017052 cobalt Inorganic materials 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- 230000001627 detrimental effect Effects 0.000 description 3
- 238000009689 gas atomisation Methods 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 229910000640 Fe alloy Inorganic materials 0.000 description 2
- 241000282341 Mustela putorius furo Species 0.000 description 2
- 238000003991 Rietveld refinement Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- ZDVYABSQRRRIOJ-UHFFFAOYSA-N boron;iron Chemical compound [Fe]#B ZDVYABSQRRRIOJ-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000001887 electron backscatter diffraction Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000004372 laser cladding Methods 0.000 description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000002105 nanoparticle Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000000979 retarding effect Effects 0.000 description 2
- 238000000110 selective laser sintering Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229910015372 FeAl Inorganic materials 0.000 description 1
- 229910015136 FeMn Inorganic materials 0.000 description 1
- 229910002555 FeNi Inorganic materials 0.000 description 1
- 229910005438 FeTi Inorganic materials 0.000 description 1
- 229910000604 Ferrochrome Inorganic materials 0.000 description 1
- 229910001111 Fine metal Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 239000005300 metallic glass Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- -1 niobium carbides Chemical class 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000000634 powder X-ray diffraction Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000009692 water atomization Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
-
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/06—Metallic powder characterised by the shape of the particles
- B22F1/065—Spherical particles
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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
- 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
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y70/00—Materials specially adapted for additive manufacturing
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C14/00—Alloys based on titanium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
- C22C27/02—Alloys based on vanadium, niobium, or tantalum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
- C22C27/04—Alloys based on tungsten or molybdenum
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
- C22C27/06—Alloys based on chromium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C28/00—Alloys based on a metal not provided for in groups C22C5/00 - C22C27/00
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
- C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
- C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
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- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
- C22C33/06—Making ferrous alloys by melting using master alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/56—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.7% by weight of carbon
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- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Nanotechnology (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
Description
6.5%≦Si≦10%
4.5%≦Nb≦10%
0.2%≦B≦2.0%
0.2%≦Cu≦2.0%
C≦2%
並びに任意選択的に、以下を含有する:
- Ni≦10重量%及び/又は
- Co≦10重量%及び/又は
- Cr≦7重量%及び/又は
- 1対1ベースでNbの任意の部分の代替としてのZr及び/又は
- 1対1ベースでNbの任意の部分の代替としてのMo及び/又は
- 1対1ベースでSiの任意の部分の代替としてのP及び/又は
- Hf、Ta、W、V又はYの中から選択される1つ以上の追加元素であって、各追加元素の重量含有量が3.5%未満である、添加元素及び/又は
- 1つ以上の希土類金属であって、各希土類金属の重量含有量が、0.2%未満である、希土類金属含有し、
残部が、Fe及び精錬から生じる不可避不純物である組成を有し、金属粉末が、面積分率で少なくとも5%のアモルファス相を含み、残部が、20μm未満の粒径を有する結晶性フェライト相及び可能な析出物からなる微細組織を有し、金属粉末が、少なくとも0.85の平均真球度SPHTを有する、金属粉末からなる。
- フェライト相の粒径が10μm未満である、
- 金属粉末を構成する粒子の7%以下は、0.70より低い真球度SPHTを有する。
- 金属粉末を構成する粒子の平均アスペクト比は、0.71を超える、
- 金属粉末を構成する粒子の少なくとも80%は、15μm~170μmの範囲のサイズを有する。
- 微細組織は、面積分率で最大で45%のアモルファス相を含む、
- 微細組織の結晶性フェライト相は、Fe-α(Si)及びFe3Si(DO3)である。
-(i)重量含有量で表される、6.5%≦Si≦10%、4.5%≦Nb≦10%、0.2%≦B≦2.0%、0.2%≦Cu≦2.0%、C≦2%を含み、並びに任意選択的に、Ni≦10重量%、及び/又はCo≦10重量%、及び/又はCr≦7重量%、及び/又は1対1ベースでNbの任意の部分の代替としてのZr、及び/又は1対1ベースでNbの任意の部分の代替としてのMo、及び/又は1対1ベースでSiの任意の部分の代替としてのP、及び/又はHf、Ta、W、V若しくはYの中から選択される1つ以上の追加元素であって、各追加元素の重量含有量が、3.5%未満である、追加元素、及び/又は1つ以上の希土類金属であって、各希土類金属の重量含有量が、0.2%未満である、希土類金属を含有し、残部が、Fe及び精錬から生じる不可避不純物である溶融組成物を得るように、液相線温度より少なくとも150℃高い温度で元素及び/又は金属合金を溶融するステップ、
-(ii)10~30バールの間で加圧されたガスを用いて、直径が最大で4mmであるノズルを通して溶融組成物を噴霧するステップ。
- 一緒に溶融される元素及び/又は金属合金は、FeSi強合金鉄、FeB強合金鉄、FeNb強合金鉄、Cu及びFeを含む、
- 溶融は、液相線温度より最大450℃高い温度で行われる、
- 溶融は、液相線温度より少なくとも300℃高い温度で行われる、
- ガスは、14~18バールの間で加圧される、
- ノズル直径は、2~3mmの間である、
- ガス対金属比は、1.5~7の間である、
- その後、金属粉末を乾燥させる。
5≦D10≦30
15≦D50≦65
80≦D90≦200
より好ましくは、80≦D90≦160である。さらにより好ましくは、100≦D90≦160である。
- 75.56%のSi、0.018%のP、0.09%のC、0.002%のS、0.82%のAlを含む11.5重量%のFeSi、
- 82.33%のFe、18.16%のB、0.13%のAl、0.007%のS、0.31%のC、0.03%のP及び0.54%のSiを含む8.174重量%のFeB、
- 67.1%のNb、1%のSi、0.3%のAl、0.11%のC、0.06%のTa、0.05%のN、0.04%のP、0.033%のPb、0.01%のS及び31.297%のFeを含む8.2重量%のFeNb、
- 1.3重量%の純粋なCu99.9%、
- 99.79%のFe、0.005%のC、0.001%のAl、0.15%のMn、0.002%のSi、0.002%のP、0.002%のSを含む70.83重量%の鉄インゴット。
- ガス圧:16バール
- ノズル直径:2.5mm
- ガス対金属比:3.37
次いで、得られた金属粉末を真空下100℃で0.5~1日間乾燥させた。
ASTM B213-7に従ってホール流量計漏斗を使用することによって決定された流動性は、0.373s/gであった。
Claims (17)
- 金属粉末であって、重量含有量で表される、次の元素:
6.5%≦Si≦10%
4.5%≦Nb≦10%
0.2%≦B≦1.8%
0.2%≦Cu≦2.0%
0.01%≦C≦2%、を含み、
残部が、Fe及び精錬から生じる不可避不純物である組成を有し、前記金属粉末が、面積分率で少なくとも5%のアモルファス相を含み、残部が、20μm未満の粒径を有する結晶性フェライト相及び形成可能な析出物からなる微細組織を有し、前記金属粉末が、少なくとも0.80の平均真球度SPHTを有する、金属粉末。 - 前記組成が、重量含有量で表される、
- Ni≦10重量%及び/又は、
- Co≦10重量%及び/又は、
- Cr≦7重量%及び/又は、
- Nbの総量の100%までの量でNbと置換したZr及び/又は、
- Nbの総量の100%までの量でNbと置換したMo及び/又は、
- Siの総量の100%までの量でSiと置換したP及び/又は、
- Hf、Ta、W、V若しくはYの中から選択される1つ以上の追加元素であって、各追加元素の重量含有量が、3.5%未満である、追加元素、及び/又は、
- 1つ以上の希土類金属であって、各希土類金属の重量含有量が、0.2%未満である、希土類金属をさらに含む、請求項1に記載の金属粉末。 - 前記フェライト相の粒径が、10μm未満である、請求項1又は2に記載の金属粉末。
- 前記金属粉末を構成する粒子の7%以下が、0.70より低い真球度SPHTを有する、請求項1~3のいずれか一項に記載の金属粉末。
- 前記金属粉末を構成する粒子の平均アスペクト比が、0.71を超える、請求項1~4のいずれか一項に記載の金属粉末。
- 前記金属粉末を構成する粒子の少なくとも80%が、15μm~170μmの範囲のサイズを有する、請求項1~5のいずれか一項に記載の金属粉末。
- 前記微細組織が、面積分率で最大で45%のアモルファス相を含む、請求項1~6のいずれか一項に記載の金属粉末。
- 前記微細組織の結晶性フェライト相が、Fe-α(Si)及びFe3Si(DO3)である、請求項1~7のいずれか一項に記載の金属粉末。
- 請求項1~8のいずれか一項に記載の付加製造用の金属粉末を製造するための方法であって、
-(i)重量含有量で表される、6.5%≦Si≦10%、4.5%≦Nb≦10%、0.2%≦B≦1.8%、0.2%≦Cu≦2.0%、0.01≦C≦2%を含み、残部が、Fe及び精錬から生じる不可避不純物である溶融組成物を得るように、液相線温度より少なくとも150℃高い温度で元素及び/又は金属合金を溶融するステップ、
-(ii)10~30バールの間で加圧されたガスを用いて、直径が最大で4mmであるノズルを通して前記溶融組成物を噴霧するステップを含む方法。 - 前記溶融組成物が、Ni≦10重量%、及び/又はCo≦10重量%、及び/又はCr≦7重量%、及び/又はNbの総量の100%までの量でNbと置換したZr、及び/又はNbの総量の100%までの量でNbと置換したMo、及び/又はSiの総量の100%までの量でSiと置換したP、及び/又はHf、Ta、W、V若しくはYの中から選択される1つ以上の追加元素であって、各追加元素の重量含有量が、3.5%未満である、追加元素、及び/又は1つ以上の希土類金属であって、各希土類金属の重量含有量が、0.2%未満である、希土類金属をさらに含有する、請求項9に記載の方法。
- ステップ(i)の元素及び/又は金属合金が、FeSi合金鉄、FeB合金鉄、FeNb合金鉄、Cu及びFeを含む、請求項9又は10に記載の方法。
- 前記溶融が、液相線温度よりも最大450℃高い温度で行われる、請求項9~11のいずれか一項に記載の方法。
- 前記溶融が、液相線温度より少なくとも300℃高い温度で行われる、請求項9~12のいずれか一項に記載の方法。
- 前記ガスが、14バール~18バールの間で加圧される、請求項9~13のいずれか一項に記載の方法。
- 前記ノズル直径が、2~3mmの間である、請求項9~14のいずれか一項に記載の方法。
- ガス対金属比が、1.5~7の間である、請求項9~15のいずれか一項に記載の方法。
- 前記金属粉末を、その後乾燥させる、請求項9~16のいずれか一項に記載の方法。
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