JP4505246B2 - 耐食・耐摩耗性オーステナイトステンレス鋼の表面硬化層の形成方法 - Google Patents
耐食・耐摩耗性オーステナイトステンレス鋼の表面硬化層の形成方法 Download PDFInfo
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- JP4505246B2 JP4505246B2 JP2004091671A JP2004091671A JP4505246B2 JP 4505246 B2 JP4505246 B2 JP 4505246B2 JP 2004091671 A JP2004091671 A JP 2004091671A JP 2004091671 A JP2004091671 A JP 2004091671A JP 4505246 B2 JP4505246 B2 JP 4505246B2
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- stainless steel
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- 229910000963 austenitic stainless steel Inorganic materials 0.000 title claims description 23
- 238000005260 corrosion Methods 0.000 title claims description 19
- 230000007797 corrosion Effects 0.000 title claims description 19
- 238000000034 method Methods 0.000 title claims description 16
- 230000015572 biosynthetic process Effects 0.000 title description 2
- 239000010410 layer Substances 0.000 claims description 98
- 239000000463 material Substances 0.000 claims description 25
- 239000007789 gas Substances 0.000 claims description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 14
- 238000005255 carburizing Methods 0.000 claims description 12
- 239000002344 surface layer Substances 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 229910052799 carbon Inorganic materials 0.000 claims description 11
- 239000004215 Carbon black (E152) Substances 0.000 claims description 8
- 229930195733 hydrocarbon Natural products 0.000 claims description 8
- 150000002430 hydrocarbons Chemical class 0.000 claims description 8
- 238000005256 carbonitriding Methods 0.000 claims description 5
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 5
- 230000000052 comparative effect Effects 0.000 description 19
- 238000005121 nitriding Methods 0.000 description 13
- 238000011282 treatment Methods 0.000 description 13
- 238000009792 diffusion process Methods 0.000 description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 10
- 150000004767 nitrides Chemical class 0.000 description 9
- 238000012545 processing Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 229910001566 austenite Inorganic materials 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
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- 238000000635 electron micrograph Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
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- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 229910000760 Hardened steel Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000018199 S phase Effects 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- QZPSXPBJTPJTSZ-UHFFFAOYSA-N aqua regia Chemical compound Cl.O[N+]([O-])=O QZPSXPBJTPJTSZ-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- CXOWYMLTGOFURZ-UHFFFAOYSA-N azanylidynechromium Chemical compound [Cr]#N CXOWYMLTGOFURZ-UHFFFAOYSA-N 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- GVEHJMMRQRRJPM-UHFFFAOYSA-N chromium(2+);methanidylidynechromium Chemical compound [Cr+2].[Cr]#[C-].[Cr]#[C-] GVEHJMMRQRRJPM-UHFFFAOYSA-N 0.000 description 1
- 238000011284 combination treatment Methods 0.000 description 1
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- 235000013305 food Nutrition 0.000 description 1
- 238000001336 glow discharge atomic emission spectroscopy Methods 0.000 description 1
- 238000007542 hardness measurement Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
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- 230000005012 migration Effects 0.000 description 1
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- 239000000203 mixture Substances 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000013077 target material Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910003470 tongbaite Inorganic materials 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Description
また、浸炭硬化層は、浸炭層または浸炭窒化層のいずれであってもよい。
まず、処理室にオーステナイト相のステンレス鋼からなる母材を装入して排気した後、水素、アルゴンなどの希釈用ガスと共に、例えばメタン等の炭化水素ガスの濃度を1〜10%程度に注入し、残りをアルゴン(Ar)等の希釈ガスとして処理室に導入し、かつ3A/cm2程度の直流高電圧を印加して1時間程度保持する。
オーステナイト系ステンレス鋼を溶体化処理した後、最終研削し、表面をオーステナイト組織とし、表面硬化層形成のためのプラズマ処理を次の条件で行なった。
[耐食性試験]
耐食性試験として、実施例および比較例を室温で5%食塩水に浸漬し、発錆までの所要時間を調べ、その結果を表2に示した。
乾燥往復滑り摩擦試験を行なった。すなわち、相手材をSi3Nを主材とするベアリング用セラミックスボールとし、荷重を12Nとして、実施例または比較例を4000回往復した後に生じた摩耗トラックを中心で横切るように表面形状を測定し、摩耗断面積に往復ストロークを乗じた値を摩耗量(mm3)として調べ、結果を図5に示した。
Claims (2)
- 炭化水素ガスからなる浸炭用ガスまたは炭化水素ガスと共に窒素ガスを含む浸炭窒化ガスの雰囲気内で、オーステナイト相のステンレス鋼に、陰極電圧を放電状態で印加し400〜500℃でプラズマ浸炭層またはプラズマ浸炭窒化層からなる浸炭硬化層を形成し、その後、窒素ガスを含む雰囲気内で前記浸炭硬化層の上から450℃以下でプラズマ窒化層を形成すると共に、炭素を母材深部へ拡散させて浸炭硬化層を厚くする耐食・耐摩耗性オーステナイトステンレス鋼の表面硬化層の形成方法。
- プラズマ窒化層を形成する温度が、400〜450℃である請求項1に記載の耐食・耐摩耗性オーステナイトステンレス鋼の表面硬化層の形成方法。
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JP2004091671A JP4505246B2 (ja) | 2004-03-26 | 2004-03-26 | 耐食・耐摩耗性オーステナイトステンレス鋼の表面硬化層の形成方法 |
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JP2004091671A JP4505246B2 (ja) | 2004-03-26 | 2004-03-26 | 耐食・耐摩耗性オーステナイトステンレス鋼の表面硬化層の形成方法 |
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JP2005272978A JP2005272978A (ja) | 2005-10-06 |
JP4505246B2 true JP4505246B2 (ja) | 2010-07-21 |
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JP2004091671A Expired - Lifetime JP4505246B2 (ja) | 2004-03-26 | 2004-03-26 | 耐食・耐摩耗性オーステナイトステンレス鋼の表面硬化層の形成方法 |
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Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100869334B1 (ko) * | 2007-04-26 | 2008-11-19 | 학교법인 동의학원 | 저온 플라즈마 기술을 이용한 스테인리스 스틸침탄질화층의 형성방법 |
JP5148209B2 (ja) * | 2007-08-28 | 2013-02-20 | 学校法人同志社 | 溶融塩電気化学プロセスを用いた表面窒化処理方法 |
JP5674180B2 (ja) * | 2008-12-02 | 2015-02-25 | 日本パーカライジング株式会社 | ステンレス材料の表面改質方法 |
JP5878699B2 (ja) * | 2011-06-23 | 2016-03-08 | エア・ウォーター株式会社 | 鋼製品およびその製造方法 |
JP6516238B2 (ja) * | 2015-03-30 | 2019-05-22 | 日鉄ステンレス株式会社 | オーステナイト系ステンレス鋼及びその製造法 |
CN105937018B (zh) * | 2016-06-27 | 2018-07-17 | 温州兰理工科技园有限公司 | 一种奥氏体不锈钢低温离子渗氮的方法 |
CN108517486B (zh) * | 2018-07-11 | 2019-11-29 | 江苏苏扬包装股份有限公司 | 一种采用液相弧光放电的活塞环碳氮共渗表面处理方法 |
JP7280578B2 (ja) * | 2019-07-11 | 2023-05-24 | 株式会社Ihi | 耐摩耗被膜を備える摺動部材及び耐摩耗被膜の形成方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0617189A (ja) * | 1992-07-03 | 1994-01-25 | Nissan Motor Co Ltd | 耐ピッチング性に優れた機械構造用鋼材および機械構造部品並びにその製法 |
JPH08144039A (ja) * | 1994-11-21 | 1996-06-04 | Hitachi Metals Ltd | 耐溶損性の優れた鋳造用金型または接溶湯部材 |
JPH10330906A (ja) * | 1997-06-05 | 1998-12-15 | Daido Hoxan Inc | オーステナイト系ステンレス製品の製法 |
JPH11229114A (ja) * | 1998-02-10 | 1999-08-24 | Sumitomo Metal Mining Co Ltd | オーステナイト系ステンレス鋼の表面硬化方法 |
JP2002317253A (ja) * | 2001-04-20 | 2002-10-31 | Taiho Kogyo Co Ltd | 鉄系摺動部材 |
JP2003073800A (ja) * | 2001-08-31 | 2003-03-12 | Hitachi Ltd | 鉄鋼材料の表面処理方法および耐衝撃,耐摩耗,耐食鉄鋼材料 |
-
2004
- 2004-03-26 JP JP2004091671A patent/JP4505246B2/ja not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0617189A (ja) * | 1992-07-03 | 1994-01-25 | Nissan Motor Co Ltd | 耐ピッチング性に優れた機械構造用鋼材および機械構造部品並びにその製法 |
JPH08144039A (ja) * | 1994-11-21 | 1996-06-04 | Hitachi Metals Ltd | 耐溶損性の優れた鋳造用金型または接溶湯部材 |
JPH10330906A (ja) * | 1997-06-05 | 1998-12-15 | Daido Hoxan Inc | オーステナイト系ステンレス製品の製法 |
JPH11229114A (ja) * | 1998-02-10 | 1999-08-24 | Sumitomo Metal Mining Co Ltd | オーステナイト系ステンレス鋼の表面硬化方法 |
JP2002317253A (ja) * | 2001-04-20 | 2002-10-31 | Taiho Kogyo Co Ltd | 鉄系摺動部材 |
JP2003073800A (ja) * | 2001-08-31 | 2003-03-12 | Hitachi Ltd | 鉄鋼材料の表面処理方法および耐衝撃,耐摩耗,耐食鉄鋼材料 |
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