JP2017190520A - 耐食性に優れた高強度バネ鋼 - Google Patents
耐食性に優れた高強度バネ鋼 Download PDFInfo
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- 230000007797 corrosion Effects 0.000 title claims abstract description 45
- 238000005260 corrosion Methods 0.000 title claims abstract description 45
- 229910000639 Spring steel Inorganic materials 0.000 title claims abstract description 41
- 239000000725 suspension Substances 0.000 claims abstract description 12
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 10
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 10
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 10
- 229910052727 yttrium Inorganic materials 0.000 claims abstract description 9
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 8
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 8
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 8
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 8
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 7
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 7
- 229910052802 copper Inorganic materials 0.000 claims abstract description 6
- 239000012535 impurity Substances 0.000 claims abstract description 5
- 238000012360 testing method Methods 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 5
- 238000009661 fatigue test Methods 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 abstract description 16
- 229910000831 Steel Inorganic materials 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 15
- 239000010959 steel Substances 0.000 description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 14
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 14
- 229910045601 alloy Inorganic materials 0.000 description 11
- 239000000956 alloy Substances 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 239000010936 titanium Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 239000010955 niobium Substances 0.000 description 9
- 239000011651 chromium Substances 0.000 description 7
- 230000006872 improvement Effects 0.000 description 7
- 238000005496 tempering Methods 0.000 description 7
- 239000011572 manganese Substances 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 230000001965 increasing effect Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 230000000704 physical effect Effects 0.000 description 5
- 239000002244 precipitate Substances 0.000 description 5
- 238000010791 quenching Methods 0.000 description 5
- 230000000171 quenching effect Effects 0.000 description 5
- 230000009466 transformation Effects 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 150000001247 metal acetylides Chemical class 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 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
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 3
- 229910000734 martensite Inorganic materials 0.000 description 3
- 230000008520 organization Effects 0.000 description 3
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical group [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 229910001567 cementite Inorganic materials 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000005261 decarburization Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 2
- 230000036314 physical performance Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000005491 wire drawing Methods 0.000 description 2
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 2
- 229910000967 As alloy Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000550 scanning electron microscopy energy dispersive X-ray spectroscopy Methods 0.000 description 1
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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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
-
- 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
-
- 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
- C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
- C21D8/065—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires of ferrous alloys
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- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/02—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for springs
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- 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
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
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- 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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- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- 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
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- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
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- C21D2211/00—Microstructure comprising significant phases
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Abstract
Description
近年には、排気ガスの低減や燃費改善を目的として自動車の軽量化や高出力化の要求条件が高くなっている実情であり、これによりエンジンやサスペンションなどに使われるコイルバネは高応力の設計を指向している。
このようなサスペンション用コイルバネとしては、C、Si、Mn、Crなどを主成分とし、1900Mpa程度の引張強度を持ち、幾分の耐食性を持つバネ鋼が使われており、ひいては合金元素の種類及び含量を調節して疲労寿命をさらに向上させることができる介在物制御技術に対する努力を注いでいる。
そして、疲労寿命は、KS B ISO 1143に従って線径4mmの試験片に対する回転曲げ疲労試験によって測定し、L10寿命は基本定格寿命(basic rating life)を90%の信頼度で回動数100万回単位で表示し、平均寿命(L50 mean life)または破損の間の平均時間の1/7であり、腐食性疲労評価は塩水噴霧試験方法(KS D 9502、ISO 3768/7263)で測定した。
Claims (7)
- 車両のサスペンションに使われるコイルバネ鋼であって、
重量%で、C:0.4〜0.9%、Si:1.3〜2.3%、Mn:0.5〜1.2%、Cr:0.6〜1.2%、Mo:0.1〜0.5%、Ni:0.05〜0.8%、V:0.05〜0.5%、Nb:0.05〜0.5%、Ti:0.05〜0.3%、Co:0.01〜3%、Zr:0.001〜0.2%、Y0.01〜1.5%、Cu:0.3%以下(0%除外)、Al:0.3%以下(0%除外)、N:0.03%以下(0%除外)、O:0.003%以下(0%除外)、残分Fe及びその他の不可避な不純物を含む、耐食性に優れた高強度バネ鋼。 - 前記バネ鋼は引張強度が2100MPa以上であることを特徴とする、請求項1に記載の耐食性に優れた高強度バネ鋼。
- 前記バネ鋼は硬度が700HV以上であることを特徴とする、請求項1に記載の耐食性に優れた高強度バネ鋼。
- 前記バネ鋼は腐食傷深みが15μm以下であることを特徴とする、請求項1に記載の耐食性に優れた高強度バネ鋼。
- 前記バネ鋼は曲げ疲労試験で28万回以上であることを特徴とする、請求項1に記載の耐食性に優れた高強度バネ鋼。
- 前記バネ鋼は単品腐食疲労寿命試験で2.8万回以上であることを特徴とする、請求項1に記載の耐食性に優れた高強度バネ鋼。
- 前記バネ鋼は腐食複合疲労寿命試験で40万回以上であることを特徴とする、請求項1に記載の耐食性に優れた高強度バネ鋼。
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KR10-2016-0046130 | 2016-04-15 | ||
KR1020160046130A KR101776490B1 (ko) | 2016-04-15 | 2016-04-15 | 내식성이 우수한 고강도 스프링강 |
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JP6789693B2 JP6789693B2 (ja) | 2020-11-25 |
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US (1) | US10718039B2 (ja) |
JP (1) | JP6789693B2 (ja) |
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CN (1) | CN107299294B (ja) |
DE (1) | DE102016223011A1 (ja) |
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KR101745192B1 (ko) * | 2015-12-04 | 2017-06-09 | 현대자동차주식회사 | 초고강도 스프링강 |
KR101745196B1 (ko) | 2015-12-07 | 2017-06-09 | 현대자동차주식회사 | 초고강도 스프링강 |
KR101776490B1 (ko) | 2016-04-15 | 2017-09-08 | 현대자동차주식회사 | 내식성이 우수한 고강도 스프링강 |
CN111593268B (zh) * | 2020-06-29 | 2022-02-08 | 马鞍山钢铁股份有限公司 | 一种耐热高强度弹簧用钢及其生产方法 |
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JPS5827956A (ja) | 1981-08-11 | 1983-02-18 | Aichi Steel Works Ltd | 耐へたり性の優れたばね用鋼 |
SU1184867A1 (ru) | 1984-04-26 | 1985-10-15 | Anatolij G Glazistov | Сталь |
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