JP2017190519A - 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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- JP2017190519A JP2017190519A JP2016126993A JP2016126993A JP2017190519A JP 2017190519 A JP2017190519 A JP 2017190519A JP 2016126993 A JP2016126993 A JP 2016126993A JP 2016126993 A JP2016126993 A JP 2016126993A JP 2017190519 A JP2017190519 A JP 2017190519A
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- 230000007797 corrosion Effects 0.000 title claims abstract description 46
- 238000005260 corrosion Methods 0.000 title claims abstract description 46
- 229910000639 Spring steel Inorganic materials 0.000 title claims abstract description 41
- 239000000725 suspension Substances 0.000 claims abstract description 12
- 229910052796 boron Inorganic materials 0.000 claims abstract description 11
- 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
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 8
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 8
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 8
- 229910052720 vanadium 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
- 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
- 230000000052 comparative effect Effects 0.000 description 12
- 239000010936 titanium Substances 0.000 description 10
- 229910045601 alloy Inorganic materials 0.000 description 9
- 239000000956 alloy Substances 0.000 description 9
- 239000010955 niobium Substances 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 239000011651 chromium Substances 0.000 description 7
- 238000005496 tempering Methods 0.000 description 7
- 230000006872 improvement Effects 0.000 description 6
- 239000011572 manganese Substances 0.000 description 6
- 150000001247 metal acetylides Chemical class 0.000 description 6
- 238000010791 quenching Methods 0.000 description 6
- 230000000171 quenching effect Effects 0.000 description 6
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 5
- 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
- 239000000203 mixture Substances 0.000 description 5
- 230000000704 physical effect Effects 0.000 description 5
- 239000002244 precipitate Substances 0.000 description 5
- 230000009466 transformation Effects 0.000 description 5
- 239000013078 crystal Substances 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 229910052757 nitrogen Inorganic materials 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
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000007717 exclusion Effects 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
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 3
- 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
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910001567 cementite Inorganic materials 0.000 description 2
- 238000005261 decarburization Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000012010 growth 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
- 239000010703 silicon Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 238000005491 wire drawing Methods 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 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
- 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
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000550 scanning electron microscopy energy dispersive X-ray spectroscopy Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000008467 tissue growth Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
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
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/14—Resilient suspensions characterised by arrangement, location or kind of springs having helical, spiral or coil springs only
-
- 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
-
- 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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- 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
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/70—Materials used in suspensions
- B60G2206/72—Steel
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Articles (AREA)
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。
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%、B:0.001〜0.01%、W:0.01〜0.52%、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20μm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2.5万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30万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。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2016-0046457 | 2016-04-15 | ||
KR1020160046457A KR101776491B1 (ko) | 2016-04-15 | 2016-04-15 | 내식성이 우수한 고강도 스프링강 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017190519A true JP2017190519A (ja) | 2017-10-19 |
JP6789692B2 JP6789692B2 (ja) | 2020-11-25 |
Family
ID=59980431
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016126993A Active JP6789692B2 (ja) | 2016-04-15 | 2016-06-27 | 耐食性に優れた高強度バネ鋼 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20170298487A1 (ja) |
JP (1) | JP6789692B2 (ja) |
KR (1) | KR101776491B1 (ja) |
CN (1) | CN107299276A (ja) |
DE (1) | DE102016223006A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20220112753A1 (en) * | 2019-02-26 | 2022-04-14 | Nv Bekaert Sa | Helical compression spring for an actuator for opening and closing a door or a tailgate of a car |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10110247A (ja) * | 1995-10-27 | 1998-04-28 | Kobe Steel Ltd | 耐水素脆性および疲労特性に優れたばね鋼 |
WO1999067437A1 (fr) * | 1998-06-23 | 1999-12-29 | Sumitomo Metal Industries, Ltd. | Tige en fil d'acier et procede de fabrication de l'acier destine a ce fil |
JP2003105485A (ja) * | 2001-09-26 | 2003-04-09 | Nippon Steel Corp | 耐水素疲労破壊特性に優れた高強度ばね用鋼およびその製造方法 |
JP2006183137A (ja) * | 2004-11-30 | 2006-07-13 | Nippon Steel Corp | 高強度ばね用鋼線 |
JP2007224413A (ja) * | 2005-12-15 | 2007-09-06 | Kobe Steel Ltd | ばね鋼、この鋼を用いたばねの製造方法、およびこの鋼から得られるばね |
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2016
- 2016-04-15 KR KR1020160046457A patent/KR101776491B1/ko active IP Right Grant
- 2016-06-27 JP JP2016126993A patent/JP6789692B2/ja active Active
- 2016-11-03 US US15/342,636 patent/US20170298487A1/en not_active Abandoned
- 2016-11-22 CN CN201611031916.9A patent/CN107299276A/zh active Pending
- 2016-11-22 DE DE102016223006.9A patent/DE102016223006A1/de not_active Withdrawn
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JPH10110247A (ja) * | 1995-10-27 | 1998-04-28 | Kobe Steel Ltd | 耐水素脆性および疲労特性に優れたばね鋼 |
WO1999067437A1 (fr) * | 1998-06-23 | 1999-12-29 | Sumitomo Metal Industries, Ltd. | Tige en fil d'acier et procede de fabrication de l'acier destine a ce fil |
JP2003105485A (ja) * | 2001-09-26 | 2003-04-09 | Nippon Steel Corp | 耐水素疲労破壊特性に優れた高強度ばね用鋼およびその製造方法 |
JP2006183137A (ja) * | 2004-11-30 | 2006-07-13 | Nippon Steel Corp | 高強度ばね用鋼線 |
JP2007224413A (ja) * | 2005-12-15 | 2007-09-06 | Kobe Steel Ltd | ばね鋼、この鋼を用いたばねの製造方法、およびこの鋼から得られるばね |
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DE102016223006A1 (de) | 2017-10-19 |
US20170298487A1 (en) | 2017-10-19 |
KR101776491B1 (ko) | 2017-09-20 |
JP6789692B2 (ja) | 2020-11-25 |
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