JP4247916B2 - マイクロ波浸炭炉及び浸炭方法 - Google Patents
マイクロ波浸炭炉及び浸炭方法 Download PDFInfo
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- JP4247916B2 JP4247916B2 JP2006208142A JP2006208142A JP4247916B2 JP 4247916 B2 JP4247916 B2 JP 4247916B2 JP 2006208142 A JP2006208142 A JP 2006208142A JP 2006208142 A JP2006208142 A JP 2006208142A JP 4247916 B2 JP4247916 B2 JP 4247916B2
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/36—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases using ionised gases, e.g. ionitriding
- C23C8/38—Treatment of ferrous surfaces
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/80—After-treatment
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Furnace Details (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Plasma Technology (AREA)
Description
Claims (19)
- マイクロ波を加熱源とし、無電極かつ大気圧でプラズマを発生させて浸炭処理を行うマイクロ波浸炭炉であって、マイクロ波が導入されるマイクロ波照射室と、前記マイクロ波照射室にArとO2を含む雰囲気ガスを供給する雰囲気ガス供給機構と、浸炭後の被処理物を冷却媒体により冷却するための急冷機構とを備え、前記マイクロ波照射室に鉄鋼材料よりなる被処理物と浸炭に必要な炭素源が配備されることを特徴とするマイクロ波浸炭炉。
- 請求項1において、前記急冷機構として前記マイクロ波照射室に隣接して冷却室を備えたことを特徴とするマイクロ波浸炭炉。
- 請求項1において、前記急冷機構として前記マイクロ波照射室にガス状の冷却媒体を供給する冷却ガス供給機構を備えたことを特徴とするマイクロ波浸炭炉。
- 請求項1において、前記雰囲気ガス供給機構からArとO2に加えてCOと炭化水素系ガスの少なくとも一方が供給されるようにしたことを特徴とするマイクロ波浸炭炉。
- 請求項1において、前記雰囲気ガス供給機構からArとO2に加えてH2が供給されるようにしたことを特徴とするマイクロ波浸炭炉。
- 請求項4において、前記雰囲気ガス供給機構から更にH2が供給されるようにしたことを特徴とするマイクロ波浸炭炉。
- 請求項1において、前記マイクロ波照射室に固体の炭素源を表面部分に備えた被処理物が配備されることを特徴とするマイクロ波浸炭炉。
- 請求項1において、前記マイクロ波の周波数が1GHz以上、30GHz以下であることを特徴とするマイクロ波浸炭炉。
- 請求項1において、前記マイクロ波照射室としてマイクロ波照射機構が内蔵されたマイクロ波照射炉を備えたことを特徴とするマイクロ波浸炭炉。
- 請求項9において、前記マイクロ波照射炉の炉内にマイクロ波拡散用ファンを備えたことを特徴とするマイクロ波浸炭炉。
- 請求項9において、前記マイクロ波照射炉の内部にサセプターを備えたことを特徴とするマイクロ波浸炭炉。
- 請求項1において、前記マイクロ波照射室の一部にマイクロ波導入窓を有することを特徴とするマイクロ波浸炭炉。
- マイクロ波を加熱源に用いて、鉄鋼材料よりなる被処理物を浸炭処理する方法であって、被処理物と炭素源及びArとO2を含む雰囲気ガスの存在下でマイクロ波を照射し、炭素源と酸素の反応とそれに伴うCOの発生及び励起によりArプラズマを発生させ、炭素イオンを生成させて被処理物を浸炭し、その後、冷却媒体により被処理物を急冷して焼入れを行うことを特徴とするマイクロ波浸炭方法。
- 請求項13において、前記雰囲気ガスとしてArとO2及び、COと炭化水素系ガスの少なくとも一方を含むことを特徴とするマイクロ波浸炭方法。
- 請求項13において、前記雰囲気ガスとしてArとO2及びH2を含むことを特徴とするマイクロ波浸炭方法。
- 請求項14において、前記雰囲気ガスとして更にH2を含むことを特徴とするマイクロ波浸炭方法。
- 請求項13において、前記炭素源が固体又はガスであり、固体がカーボン粉末、ガスがCO又は炭化水素系ガスよりなることを特徴とするマイクロ波浸炭方法。
- 請求項13において、前記被処理物が結晶粒径1μm以下で引張強度1000MPa以上の鉄鋼材料よりなることを特徴とするマイクロ波浸炭方法。
- 請求項13において、前記マイクロ波の周波数が1GHz以上、30GHz以下であることを特徴とするマイクロ波浸炭方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2006208142A JP4247916B2 (ja) | 2006-07-31 | 2006-07-31 | マイクロ波浸炭炉及び浸炭方法 |
US11/829,986 US20080023109A1 (en) | 2006-07-31 | 2007-07-30 | Microwave carburizing furnace and carburizing method |
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JP2006208142A JP4247916B2 (ja) | 2006-07-31 | 2006-07-31 | マイクロ波浸炭炉及び浸炭方法 |
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JP2008031539A JP2008031539A (ja) | 2008-02-14 |
JP4247916B2 true JP4247916B2 (ja) | 2009-04-02 |
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JP2006208142A Active JP4247916B2 (ja) | 2006-07-31 | 2006-07-31 | マイクロ波浸炭炉及び浸炭方法 |
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US (1) | US20080023109A1 (ja) |
JP (1) | JP4247916B2 (ja) |
Cited By (1)
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---|---|---|---|---|
JP7046911B2 (ja) | 2016-07-26 | 2022-04-04 | テスカ フランス | 自動車シートクッションを製造するための方法 |
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US8716637B2 (en) * | 2009-06-18 | 2014-05-06 | Babcock & Wilcox Technical Services Y-12, Llc | Fluidized bed heat treating system |
RU2563572C1 (ru) * | 2014-06-11 | 2015-09-20 | Федеральное государственное бюджетное научное учреждение "Всероссийский научно-исследовательский технологический институт ремонта и эксплуатации машинно-тракторного парка" (ФГБНУ ГОСНИТИ) | Способ упрочнения поверхности стальных изделий |
JP2019112688A (ja) * | 2017-12-25 | 2019-07-11 | Ntn株式会社 | ワークの熱処理方法及び熱処理装置 |
JP2019150805A (ja) * | 2018-03-06 | 2019-09-12 | 有限会社ヤマダ化成 | 有機化合物分解装置および有機化合物分解方法 |
RU2718521C1 (ru) * | 2019-11-25 | 2020-04-08 | федеральное государственное бюджетное образовательное учреждение высшего образования "Волгоградский государственный аграрный университет" (ФГБОУ ВО Волгоградский ГАУ) | Способ упрочнения лезвий рабочих органов |
RU2717443C1 (ru) * | 2019-11-25 | 2020-03-23 | федеральное государственное бюджетное образовательное учреждение высшего образования "Волгоградский государственный аграрный университет" (ФГБОУ ВО Волгоградский ГАУ) | Способ упрочнения режущей части рабочих органов |
RU2740548C1 (ru) * | 2019-11-26 | 2021-01-15 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Казанский национальный исследовательский технический университет им. А.Н. Туполева-КАИ" (КНИТУ-КАИ) | Способ упрочнения листа из сплава на основе железа |
RU2726051C1 (ru) * | 2019-12-16 | 2020-07-08 | федеральное государственное бюджетное образовательное учреждение высшего образования "Волгоградский государственный аграрный университет" (ФГБОУ ВО Волгоградский ГАУ) | Способ упрочнения лезвий рабочих органов орудий для разработки почвогрунтов |
CN113186537A (zh) * | 2021-04-29 | 2021-07-30 | 王鸿翔 | 一种钛合金高温固体渗碳工艺 |
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KR850000580B1 (ko) * | 1983-12-31 | 1985-04-29 | 주식회사 금성사 | 마이크로파 오븐의 균일가열 장치 |
US4943345A (en) * | 1989-03-23 | 1990-07-24 | Board Of Trustees Operating Michigan State University | Plasma reactor apparatus and method for treating a substrate |
US5869816A (en) * | 1995-09-29 | 1999-02-09 | Ontario Hydro | Apparatus and method for continuous processing of granular materials using microwaves |
US20060062930A1 (en) * | 2002-05-08 | 2006-03-23 | Devendra Kumar | Plasma-assisted carburizing |
US7161126B2 (en) * | 2004-11-10 | 2007-01-09 | Bwxt Y-12, Llc | Microwave heat treating of manufactured components |
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- 2006-07-31 JP JP2006208142A patent/JP4247916B2/ja active Active
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Cited By (1)
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JP7046911B2 (ja) | 2016-07-26 | 2022-04-04 | テスカ フランス | 自動車シートクッションを製造するための方法 |
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JP2008031539A (ja) | 2008-02-14 |
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