JP6205126B2 - オーステンパ球状黒鉛鋳鉄物品の製造方法 - Google Patents
オーステンパ球状黒鉛鋳鉄物品の製造方法 Download PDFInfo
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- JP6205126B2 JP6205126B2 JP2012271854A JP2012271854A JP6205126B2 JP 6205126 B2 JP6205126 B2 JP 6205126B2 JP 2012271854 A JP2012271854 A JP 2012271854A JP 2012271854 A JP2012271854 A JP 2012271854A JP 6205126 B2 JP6205126 B2 JP 6205126B2
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- 229910001141 Ductile iron Inorganic materials 0.000 title claims description 99
- 238000004519 manufacturing process Methods 0.000 title claims description 19
- 238000000034 method Methods 0.000 claims description 67
- 238000005266 casting Methods 0.000 claims description 61
- 238000010438 heat treatment Methods 0.000 claims description 42
- 229910045601 alloy Inorganic materials 0.000 claims description 39
- 239000000956 alloy Substances 0.000 claims description 39
- 238000005279 austempering Methods 0.000 claims description 38
- 238000001816 cooling Methods 0.000 claims description 35
- 239000012530 fluid Substances 0.000 claims description 31
- 239000002826 coolant Substances 0.000 claims description 23
- 239000000203 mixture Substances 0.000 claims description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 10
- 239000000155 melt Substances 0.000 claims description 9
- 150000003839 salts Chemical class 0.000 claims description 9
- 239000012809 cooling fluid Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 5
- 239000011651 chromium Substances 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 239000006104 solid solution Substances 0.000 claims description 5
- 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 claims description 4
- 229910052720 vanadium Inorganic materials 0.000 claims description 4
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 20
- 230000008569 process Effects 0.000 description 13
- 239000011159 matrix material Substances 0.000 description 12
- 229910002804 graphite Inorganic materials 0.000 description 11
- 239000010439 graphite Substances 0.000 description 11
- 229910001566 austenite Inorganic materials 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 9
- 229910052799 carbon Inorganic materials 0.000 description 9
- 229910000734 martensite Inorganic materials 0.000 description 8
- 229910001562 pearlite Inorganic materials 0.000 description 8
- 238000010791 quenching Methods 0.000 description 7
- 229910000859 α-Fe Inorganic materials 0.000 description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 6
- 229910052750 molybdenum Inorganic materials 0.000 description 6
- 239000011733 molybdenum Substances 0.000 description 6
- 230000000171 quenching effect Effects 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 230000009466 transformation Effects 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000003303 reheating Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910001567 cementite Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000007712 rapid solidification Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000007528 sand casting Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 230000001743 silencing effect Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
Classifications
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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
- C21D5/00—Heat treatments of cast-iron
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C23/00—Tools; Devices not mentioned before for moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- B22C9/04—Use of lost patterns
- B22C9/046—Use of patterns which are eliminated by the liquid metal in the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
-
- 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
- C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
- C21D1/20—Isothermal quenching, e.g. bainitic hardening
-
- 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
- C21D1/26—Methods of annealing
-
- 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
- C21D1/34—Methods of heating
-
- 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
- C21D6/008—Heat treatment of ferrous alloys containing Si
-
- 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
- C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
-
- 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
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
-
- 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
- C21D9/28—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for plain shafts
-
- 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
-
- 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
-
- 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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
-
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/02—Shafts; Axles
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/001—Austenite
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/60—Shafts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2360/00—Engines or pumps
- F16C2360/31—Wind motors
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- General Engineering & Computer Science (AREA)
- Ocean & Marine Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Combustion & Propulsion (AREA)
- Heat Treatment Of Articles (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Wind Motors (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Description
Claims (14)
- オーステンパ球状黒鉛鋳鉄物品の製造方法であって、
ダクタイル鉄合金組成物の溶湯を準備する工程と、
鋳型キャビティーを有する鋳型内に溶湯を注いで鋳造品を形成する工程と、
鋳型内の鋳型キャビティーの近傍に配置された1以上の流体導管を通して冷却剤を鋳型に通して循環させることにより鋳造品をオーステンパ温度に冷却する工程であって、冷却によって溶湯を凝固させ、ダクタイル鉄物品を形成することを含む、工程と、
鋳造品を加熱して、オースフェライトを含むミクロ組織を含むオーステンパ球状黒鉛鋳鉄物品を形成するのに充分な時間オーステンパ温度を維持する工程と
を含んでおり、オーステンパ球状黒鉛鋳鉄物品が風力タービンシャフトからなる、方法。 - さらに、加熱後に流体導管を通して鋳型を通る冷却剤の循環によりオーステンパ球状黒鉛鋳鉄物品を冷却することを含む、請求項1記載の方法。
- ミクロ組織が固溶体強化されたオースフェライトを含む、請求項2記載の方法。
- ダクタイル鉄合金組成物が、合金の重量を基準にして3.0〜4.5重量%のケイ素、2.0〜3.0重量%のニッケル、0.2重量%以下のマンガン、0.03重量%以下のクロム、0.01重量%以下のバナジウムを含み、残部が鉄及び不可避不純物である、請求項1乃至請求項3のいずれか1項記載の方法。
- ダクタイル鉄合金組成物が0.001〜0.2重量%のマンガン、0.001〜0.03重量%のクロム、及び0.001〜0.01重量%のバナジウムを含む、請求項4記載の方法。
- ダクタイル鉄合金組成物が、冷却されたままのミクロ組織が固溶体強化されたオースフェライトを含むように選択される、請求項4又は請求項5記載の方法。
- 冷却剤を循環させることが、流体導管を用いて鋳型に通して冷却用流体を循環させることを含み、冷却用流体がダクタイル鉄物品から熱を除去するように構成される、請求項1乃至請求項6のいずれか1項記載の方法。
- 冷却用流体がオーステンパ温度より低い温度を有する、請求項7記載の方法。
- 冷却用流体が低圧蒸気、液体の水、溶融塩若しくは溶融金属、又はこれらの組合せからなる、請求項7又は請求項8記載の方法。
- 加熱することが、流体導管を用いて鋳型に通して加熱用流体を循環させることを含み、加熱用流体がダクタイル鉄物品に熱を提供するように設定されている、請求項1乃至請求項9のいずれか1項記載の方法。
- 加熱用流体が高圧蒸気、溶融塩若しくは金属、又はこれらの組合せからなる、請求項10記載の方法。
- 加熱用流体がオーステンパ温度以上の温度を有する、請求項10又は請求項11記載の方法。
- 鋳型が長手方向のシャフトを有しており、導管がシャフト方向に延在する導管を含む、請求項1乃至請求項12のいずれか1項記載の方法。
- 導管が円周方向に延在する導管を含む、請求項1乃至請求項13のいずれか1項記載の方法。
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US13/342,711 US8524016B2 (en) | 2012-01-03 | 2012-01-03 | Method of making an austempered ductile iron article |
US13/342,711 | 2012-01-03 |
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EP (1) | EP2612930B1 (ja) |
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CN105081228A (zh) * | 2014-05-19 | 2015-11-25 | 长沙酉诚凸轮轴制造有限公司 | 一种高强度低合金激冷球墨铸铁凸轮轴毛坯的浇注工艺 |
CN104331549B (zh) * | 2014-10-27 | 2017-06-16 | 扬州大学 | 基于Jmatpro材料性能计算的奥贝球铁合金成分的优化设计方法 |
EP3088537A1 (de) * | 2015-04-27 | 2016-11-02 | Georg Fischer GmbH | Herstellverfahren hpi-gusseisen |
CN107653412A (zh) * | 2017-08-23 | 2018-02-02 | 安徽东星汽车部件有限公司 | 一种耐磨汽车冲压件模具材料 |
CN107723458B (zh) * | 2017-11-17 | 2018-12-25 | 湖南大学 | 热处理可强化铝合金时效过程的在线监测方法 |
CN108754302B (zh) * | 2018-08-14 | 2019-10-18 | 北京工业大学 | 一种高韧性高耐磨性含碳化物等温淬火球墨铸铁及其制备方法 |
SE545732C2 (en) * | 2019-02-08 | 2023-12-27 | Ausferritic Ab | Method for producing ausferritic steel and ductile iron, austempered in rapid cycles followed by baking |
CN113118381B (zh) * | 2021-04-11 | 2023-07-07 | 陕西柴油机重工有限公司 | 一种大断面球墨铸铁屏蔽半球铸件成型的方法 |
CN113462955B (zh) * | 2021-06-30 | 2022-05-03 | 东风商用车有限公司 | 一种高强度高韧性等温淬火球铁材料及其制备方法和应用 |
CN117488030B (zh) * | 2023-12-21 | 2024-03-19 | 盐城市鑫纬嘉新能源科技有限公司 | 一种球墨铸铁等温淬火冷却装置 |
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US3615880A (en) * | 1968-04-03 | 1971-10-26 | Gen Electric | Ferrous metal die casting process and products |
US4157111A (en) * | 1976-01-06 | 1979-06-05 | Kubota, Ltd. | Method of heat-treating ductile cast iron pipe |
US4222429A (en) * | 1979-06-05 | 1980-09-16 | Foundry Management, Inc. | Foundry process including heat treating of produced castings in formation sand |
FR2522291A1 (fr) * | 1982-03-01 | 1983-09-02 | Pont A Mousson | Tube centrifuge en fonte a graphite spheroidal et son procede de fabrication |
JPS60221525A (ja) * | 1984-04-18 | 1985-11-06 | Kubota Ltd | 高強度ダクタイル鋳鉄管の製造法 |
JPS62148067A (ja) * | 1985-12-24 | 1987-07-02 | Kubota Ltd | 高強度ダクタイル鋳鉄管の製造方法 |
JPH01157760A (ja) * | 1987-12-16 | 1989-06-21 | Toshiba Mach Co Ltd | 金型の冷却、加熱方法 |
US4880477A (en) | 1988-06-14 | 1989-11-14 | Textron, Inc. | Process of making an austempered ductile iron article |
US5028281A (en) | 1988-06-14 | 1991-07-02 | Textron, Inc. | Camshaft |
US5139579A (en) | 1990-04-27 | 1992-08-18 | Applied Process | Method for preparing high silicon, low carbon austempered cast iron |
US5327955A (en) * | 1993-05-04 | 1994-07-12 | The Board Of Trustees Of Western Michigan University | Process for combined casting and heat treatment |
JP3163561B2 (ja) * | 1994-01-20 | 2001-05-08 | 川崎製鉄株式会社 | 複合ロールの製造方法 |
SE513287C2 (sv) * | 1998-11-06 | 2000-08-21 | Volvo Lastvagnar Ab | Metod och anordning för kokillgjutning |
SE531107C2 (sv) | 2006-12-16 | 2008-12-23 | Indexator Ab | Metod |
US20110017364A1 (en) * | 2009-07-23 | 2011-01-27 | General Electric Company | Heavy austempered ductile iron components |
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EP2612930A3 (en) | 2017-07-19 |
PL2612930T3 (pl) | 2020-12-14 |
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JP2013144313A (ja) | 2013-07-25 |
US8524016B2 (en) | 2013-09-03 |
US20130167984A1 (en) | 2013-07-04 |
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