JP6342409B2 - 焼入れ焼戻し耐食合金鋼 - Google Patents
焼入れ焼戻し耐食合金鋼 Download PDFInfo
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- JP6342409B2 JP6342409B2 JP2015539774A JP2015539774A JP6342409B2 JP 6342409 B2 JP6342409 B2 JP 6342409B2 JP 2015539774 A JP2015539774 A JP 2015539774A JP 2015539774 A JP2015539774 A JP 2015539774A JP 6342409 B2 JP6342409 B2 JP 6342409B2
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- 238000005260 corrosion Methods 0.000 title claims description 40
- 230000007797 corrosion Effects 0.000 title claims description 40
- 229910000851 Alloy steel Inorganic materials 0.000 title claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- 238000010998 test method Methods 0.000 claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052717 sulfur Inorganic materials 0.000 claims description 6
- 239000011593 sulfur Substances 0.000 claims description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims description 4
- 239000011574 phosphorus Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 description 121
- 239000000956 alloy Substances 0.000 description 121
- 229910000831 Steel Inorganic materials 0.000 description 21
- 239000010959 steel Substances 0.000 description 21
- 229910052802 copper Inorganic materials 0.000 description 20
- 239000010949 copper Substances 0.000 description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 19
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 16
- 238000012360 testing method Methods 0.000 description 15
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 13
- 239000010941 cobalt Substances 0.000 description 13
- 229910017052 cobalt Inorganic materials 0.000 description 13
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 13
- 229910052750 molybdenum Inorganic materials 0.000 description 13
- 239000011733 molybdenum Substances 0.000 description 13
- 238000010438 heat treatment Methods 0.000 description 11
- 150000001247 metal acetylides Chemical class 0.000 description 10
- 239000000047 product Substances 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 8
- 230000002411 adverse Effects 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 8
- 229910052759 nickel Inorganic materials 0.000 description 8
- 239000010936 titanium Substances 0.000 description 8
- 229910052719 titanium Inorganic materials 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 7
- 238000005496 tempering Methods 0.000 description 7
- 238000010313 vacuum arc remelting Methods 0.000 description 7
- 229910052720 vanadium Inorganic materials 0.000 description 7
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- 239000011651 chromium Substances 0.000 description 6
- 239000010955 niobium Substances 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- 239000007921 spray Substances 0.000 description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 5
- 238000007792 addition Methods 0.000 description 5
- 229910052804 chromium Inorganic materials 0.000 description 5
- 238000005336 cracking Methods 0.000 description 5
- 229910000734 martensite Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 229910052758 niobium Inorganic materials 0.000 description 5
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 229910052715 tantalum Inorganic materials 0.000 description 5
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000010791 quenching Methods 0.000 description 4
- 230000000171 quenching effect Effects 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 4
- 229910052721 tungsten Inorganic materials 0.000 description 4
- 239000010937 tungsten Substances 0.000 description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 3
- 229910052793 cadmium Inorganic materials 0.000 description 3
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 3
- GVEHJMMRQRRJPM-UHFFFAOYSA-N chromium(2+);methanidylidynechromium Chemical compound [Cr+2].[Cr]#[C-].[Cr]#[C-] GVEHJMMRQRRJPM-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012467 final product Substances 0.000 description 3
- 239000013067 intermediate product Substances 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 239000011572 manganese Substances 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- 238000004663 powder metallurgy Methods 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- 229910003470 tongbaite Inorganic materials 0.000 description 3
- -1 C 6 carbides Chemical class 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 2
- 229910017112 Fe—C Inorganic materials 0.000 description 2
- 229910001122 Mischmetal Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 2
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- JHWIEAWILPSRMU-UHFFFAOYSA-N 2-methyl-3-pyrimidin-4-ylpropanoic acid Chemical compound OC(=O)C(C)CC1=CC=NC=N1 JHWIEAWILPSRMU-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000007656 fracture toughness test Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 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 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000001226 reprecipitation Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000003440 toxic substance Substances 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
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C9/00—Adjustable control surfaces or members, e.g. rudders
- B64C9/02—Mounting or supporting thereof
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous alloys
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0075—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rods of limited length
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- 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
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- 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
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
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- 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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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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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- 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
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
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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
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
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- C—CHEMISTRY; METALLURGY
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- 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
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- 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
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- 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
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
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- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/004—Dispersions; Precipitations
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- C21D2211/00—Microstructure comprising significant phases
- C21D2211/008—Martensite
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/04—Hardening by cooling below 0 degrees Celsius
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- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/13—Modifying the physical properties of iron or steel by deformation by hot working
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- Crystallography & Structural Chemistry (AREA)
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Description
合金の残部は鉄と、同様の用途または使用向きの同種の焼入れ焼戻し鋼に見られる一般的な不純物(または、通常の不純物、usual impurities)であり、当該一般的な不純物は0.01%以下のリンと、0.010%以下の硫黄と、0.10%以下の窒素とを含む。
本発明に係る合金が備える強度、延性、靱性および耐食性の新規な組み合わせを実証するために、比較試験が行われた。表1Aに示される重量パーセント組成を有する5つの400lb.のヒート(または溶融処理された金属、heat)と、表1Bに示される重量パーセント組成を有する5つの400lb.のヒートとを、VIMおよびVARにより製造した。表1Aおよび1Bに記載されている化学的性質は、VIMの電極のインゴット(the VIM electrode ingots)から得られた。表1Aに示されるヒートは、ノミナルカッパーヒート(the nominal copper heats)と呼ばれ、表1Bに示されるヒートは、ロウカッパーヒート(the low-copper heats)と呼ばれる。
Claims (8)
- 重量パーセントで、
C 0.2〜0.45
Mn 0.1〜0.7
Si 0.1〜1.0
Cr 9.5〜12.5
Ni 3.2〜4.3
Mo 1.25〜1.75
Cu 0.3〜0.7
Co 2〜3
W 0.05以下
V 0.1〜0.6
Ti 最大で0.2
Nb 0.01以下
Ta 0.01以下
Al 最大で0.01
Ce 0〜0.006
La 0〜0.005
を含み、残部は鉄と、0.005%以下のリン、0.001%以下の硫黄および0.03%以下の窒素を含む一般的な不純物とであり、
以下の特性:
少なくとも280ksiの引張強さ、
ASTM標準試験手順(Standard Test Procedure)E1290に準じて試験をした、少なくとも65ksi√inの破壊靱性(K Ic )、
ASTM標準試験手順E23に準じて試験をした、少なくとも20ft−lbsのVノッチシャルピー衝撃エネルギー、
ASTM標準試験手順B117に準じて試験をした場合でもさび付かない耐全面腐食性、および
ASTM標準試験手順G61に準じて試験をした、少なくとも90mVの孔食電位
によって特徴付けられる、合金鋼。 - 少なくとも285ksiの引張強さによって特徴付けられる、請求項1に記載の合金鋼。
- 請求項1に記載の合金鋼から作られることを特徴とする、航空宇宙機用の構造部品。
- 着陸装置、回転可能なシャフト、駆動装置、フラップトラックおよびスラットトラックの1つまたは複数から成る群から選択されることを特徴とする、請求項3に記載の航空宇宙機用の構造部品。
- 重量パーセントで、
C 0.2〜0.45
Mn 0.1〜1.0
Si 0.1〜1.2
Cr 9.5〜12.5
Ni 3.75〜4.0
Mo 1〜1.75
Cu 0.01以下
Co 1〜4
V 0.1〜0.6
Ti 最大で0.2
Al 最大で0.01
を含み、残部は鉄と、0.01%以下のリン、0.010%以下の硫黄および0.10%以下の窒素を含む一般的な不純物とであり、
以下の特性:
少なくとも280ksiの引張強さ、
ASTM標準試験手順(Standard Test Procedure)E1290に準じて試験をした、少なくとも65ksi√inの破壊靱性(K Ic )、
ASTM標準試験手順E23に準じて試験をした、少なくとも20ft−lbsのVノッチシャルピー衝撃エネルギー、
ASTM標準試験手順B117に準じて試験をした場合でもさび付かない耐全面腐食性、および
ASTM標準試験手順G61に準じて試験をした、少なくとも90mVの孔食電位
によって特徴付けられる、合金鋼。 - 少なくとも285ksiの引張強さによって特徴付けられる、請求項5に記載の合金鋼。
- 請求項5に記載の合金鋼から作られることを特徴とする、航空宇宙機用の構造部品。
- 着陸装置、回転可能なシャフト、駆動装置、フラップトラックおよびスラットトラックの1つまたは複数から成る群から選択されることを特徴とする、請求項7に記載の航空宇宙機用の構造部品。
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US61/717,877 | 2012-10-24 | ||
PCT/US2013/066496 WO2014066570A1 (en) | 2012-10-24 | 2013-10-24 | Quench and temper corrosion resistant steel alloy |
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US11634803B2 (en) * | 2012-10-24 | 2023-04-25 | Crs Holdings, Llc | Quench and temper corrosion resistant steel alloy and method for producing the alloy |
US10094007B2 (en) * | 2013-10-24 | 2018-10-09 | Crs Holdings Inc. | Method of manufacturing a ferrous alloy article using powder metallurgy processing |
CN106440987A (zh) * | 2016-11-25 | 2017-02-22 | 东莞市镒凯模具科技有限公司 | 一种精密不锈钢针规及加工工艺 |
CN110730696B (zh) * | 2017-06-03 | 2022-02-11 | 阿图库马尔·拉加夫吉布海·萨拉德瓦 | 制造碳推力轴承的扇形件的方法 |
US20190055633A1 (en) * | 2017-08-16 | 2019-02-21 | U.S. Army Research Laboratory Attn: Rdrl-Loc-I | Methods and compositions for improved low alloy high nitrogen steels |
US11692232B2 (en) | 2018-09-05 | 2023-07-04 | Gregory Vartanov | High strength precipitation hardening stainless steel alloy and article made therefrom |
CN109735762B (zh) * | 2019-01-25 | 2021-04-30 | 承德燕北冶金材料有限公司 | 一种合金锤头及其制备方法 |
WO2021236902A1 (en) * | 2020-05-22 | 2021-11-25 | Crs Holdings, Inc. | Strong, tough, and hard stainless steel and article made therefrom |
DE102020115049A1 (de) * | 2020-06-05 | 2021-12-09 | Deutsche Edelstahlwerke Specialty Steel Gmbh & Co. Kg | Stahlmaterial zum Formen von Bauteilen durch additive Fertigung und Verwendung eines solchen Stahlmaterials |
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US7235212B2 (en) * | 2001-02-09 | 2007-06-26 | Ques Tek Innovations, Llc | Nanocarbide precipitation strengthened ultrahigh strength, corrosion resistant, structural steels and method of making said steels |
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WO2014066570A1 (en) | 2014-05-01 |
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US10458007B2 (en) | 2019-10-29 |
CA2885933A1 (en) | 2014-05-01 |
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CA2885933C (en) | 2018-02-13 |
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