JP2014507557A - プラズマ窒化により強化された合金を製造するための方法 - Google Patents
プラズマ窒化により強化された合金を製造するための方法 Download PDFInfo
- Publication number
- JP2014507557A JP2014507557A JP2013545484A JP2013545484A JP2014507557A JP 2014507557 A JP2014507557 A JP 2014507557A JP 2013545484 A JP2013545484 A JP 2013545484A JP 2013545484 A JP2013545484 A JP 2013545484A JP 2014507557 A JP2014507557 A JP 2014507557A
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- nitride
- manufacturing
- nanoparticles
- alloy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0047—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents
- C22C32/0068—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents only nitrides
-
- 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
- C23C8/08—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 only one element being applied
- C23C8/24—Nitriding
- C23C8/26—Nitriding of ferrous surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/14—Both compacting and sintering simultaneously
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/16—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on nitrides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
- C22C33/0207—Using a mixture of prealloyed powders or a master alloy
- C22C33/0228—Using a mixture of prealloyed powders or a master alloy comprising other non-metallic compounds or more than 5% of graphite
-
- 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
- C23C8/08—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 only one element being applied
- C23C8/24—Nitriding
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
Description
したがって、本発明の目的の一つは、少なくとも80%が50nm未満の平均粒度を有するナノ粒子を含むNDS合金の製造方法を提供することであり、そのような方法は、合金中のこれらのナノ粒子の組成および量のより良好な制御を可能にする。
a)ベース合金の中に格子間窒素を挿入するために200℃〜700℃の温度でベース合金のプラズマ窒化を実施する段階。ベース合金は、0.1%〜1重量%の金属元素Mを組み込み、かつオーステナイト系、フェライト系、フェライト−マルテンサイト系またはニッケル基合金から選択される;
b)ベース合金中の格子間窒素を350℃〜650°の温度で拡散させる段階;および
c)強化された合金に分散したナノ粒子を形成するために、窒化物を600℃〜900℃の温度で10分〜10時間の間沈殿させる段階
を含む。
本説明において、動詞の「含む」、「含有する」、「組み込む」、「が含まれる」およびその活用形は、オープンタームであり、これらの語の後に述べられた最初の元素(群)および/または段階(群)に加えられた、さらなる元素(群)および/または段階(群)の存在を排除しない。しかし、これらのオープンタームは、最初の元素(群)および/または段階(群)のみを含み、その他のものを排除する特定の実施形態もさす;その場合、そのオープンタームはクローズドターム「からなる」、「構成する」およびその活用形もさす。
−10〜120ppmのケイ素;
−10〜100ppmの硫黄;
−20ppm未満の塩素;
−2〜10ppmのリン;
−0.1〜10ppmのホウ素;
−0.1〜10ppmのカルシウム;
−0.1ppm未満の次の元素の各々:リチウム、フッ素、重金属、Sn、As、Sb
も含むことができる。
Fe−18Cr−1W−0.8Tiベース合金からなるフェライト系粉末を、本発明の製造方法を用いて窒化した。
本方法を実施する条件は、以下の通りである:
−粉末の攪拌;
−71%H2、23%N2および6%CH4の量で構成される気体媒質;
−2.5mbarの気体媒質の圧力;
−380℃で実施される15時間のプラズマ窒化、その後の400℃の温度で200時間実施される拡散熱処理のサイクル。
次に、窒化チタンが沈殿する間に850℃で1時間の熱間押出しを用いて圧密を実施する。
Claims (14)
- 少なくとも80%が1nm〜50nmの平均粒度を有するナノ粒子が分散している金属マトリックスを含む、強化された合金の製造方法であって、前記ナノ粒子が、Ti、Zr、HfおよびTaからなる群に属する少なくとも1つの金属元素Mの窒化物から選択される少なくとも1つの窒化物を含み、
前記方法が、以下の連続する段階:
a)ベース合金の中に格子間窒素を挿入するために200℃〜700℃の温度でベース合金のプラズマ窒化を実施する段階であって、前記ベース合金が、0.1%〜1重量%の前記金属元素Mを組み込み、かつオーステナイト系、フェライト系、フェライト−マルテンサイト系またはニッケル基合金から選択される、段階と;
b)前記ベース合金中の前記格子間窒素を350℃〜650°の温度で拡散させる段階と;
c)前記強化された合金に分散した前記ナノ粒子を形成するために、前記窒化物を600℃〜900℃の温度で10分〜10時間の間沈殿させる段階と
を含む、方法。 - −前記段階(a)のプラズマ窒化を、200℃〜600℃の温度で実施し;
−前記格子間窒素を、段階(b)において350℃〜500℃の温度で拡散させ;かつ
−前記窒化物を、段階(c)において600℃〜800℃の温度で沈殿させる、
請求項1に記載の製造方法。 - −前記段階(a)のプラズマ窒化を、200℃〜600℃の温度で実施し;
−前記格子間窒素を、段階(b)において350℃〜500℃の温度で拡散させ;かつ
−前記窒化物を、段階(c)において850℃で1時間、沈殿させる、
請求項1に記載の製造方法。 - 前記ベース合金が、粉末または小片の形態である、請求項1〜3のいずれか一項に記載の製造方法。
- 前記ベース合金が、0.5%〜1重量%の前記金属元素Mを組み込む、請求項1〜4のいずれか一項に記載の製造方法。
- 前記プラズマ窒化が、窒素を分子の窒素(N2)の形態で、および/または気体窒素化合物として含む気体媒質を用いて実施される、請求項1〜5のいずれか一項に記載の製造方法。
- 前記気体媒質が、炭素質種も含む、請求項6に記載の製造方法。
- 前記窒化物が、TiN、Ti3N4、ZrN、HfNおよびTaNからなる群に属する、請求項1〜7のいずれか一項に記載の製造方法。
- 前記窒化物が、全体的にまたは部分的に前記金属元素Mの炭窒化物の形態である、請求項1〜8のいずれか一項に記載の製造方法。
- 前記ナノ粒子の少なくとも90%が、1nm〜10nmの平均粒度を有する、請求項1〜9のいずれか一項に記載の製造方法。
- 前記ナノ粒子の少なくとも95%が、0.5nm〜5nmの平均粒度を有する、請求項10に記載の製造方法。
- 前記強化された合金が、重量で、少なくとも1つの以下の元素:
−10〜120ppmのケイ素;
−10〜100ppmの硫黄;
−20ppm未満の塩素;
−2〜10ppmのリン;
−0.1〜10ppmのホウ素;
−0.1〜10ppmのカルシウム;
−0.1ppm未満の次の元素の各々:リチウム、フッ素、重金属、Sn、As、Sb
を含む、請求項1〜11のいずれか一項に記載の製造方法。 - 前記c)窒化物を沈殿させる段階の間または後に実施される熱間押出しによる圧密化の段階を含む、請求項1〜12のいずれか一項に記載の製造方法。
- 前記熱間押出し段階が、850℃以下の温度で実施される、請求項13に記載の製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1061243 | 2010-12-24 | ||
FR1061243A FR2969662B1 (fr) | 2010-12-24 | 2010-12-24 | Procede de fabrication d'un alliage renforce par nitruration plasma. |
PCT/FR2011/053175 WO2012085489A1 (fr) | 2010-12-24 | 2011-12-22 | Procede de fabrication d'un alliage renforce par nitruration plasma |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2014507557A true JP2014507557A (ja) | 2014-03-27 |
JP2014507557A5 JP2014507557A5 (ja) | 2015-02-05 |
JP5878932B2 JP5878932B2 (ja) | 2016-03-08 |
Family
ID=44194161
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013545484A Expired - Fee Related JP5878932B2 (ja) | 2010-12-24 | 2011-12-22 | プラズマ窒化により強化された合金を製造するための方法 |
Country Status (9)
Country | Link |
---|---|
US (1) | US8999228B2 (ja) |
EP (1) | EP2655684B1 (ja) |
JP (1) | JP5878932B2 (ja) |
KR (1) | KR101506103B1 (ja) |
CN (1) | CN103282537B (ja) |
ES (1) | ES2572642T3 (ja) |
FR (1) | FR2969662B1 (ja) |
RU (1) | RU2569438C2 (ja) |
WO (1) | WO2012085489A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101673695B1 (ko) * | 2014-11-12 | 2016-11-08 | 국민대학교산학협력단 | 오스테나이트 강 기지-나노 입자 복합체 및 이의 제조방법 |
CN107737932B (zh) * | 2017-10-26 | 2019-08-06 | 西北工业大学 | 一种钛或钛合金选区强化的一体化激光增材制造方法 |
CN108103432B (zh) * | 2017-12-25 | 2020-01-17 | 哈尔滨汽轮机厂有限责任公司 | 一种镍基高温合金的氮化方法 |
TWI675938B (zh) * | 2019-01-25 | 2019-11-01 | 友鋮股份有限公司 | 三階段表面改質不鏽鋼材料及其製造方法 |
CA3131528A1 (en) * | 2019-02-26 | 2020-09-03 | Somnio Global Holdings, Llc | High nitrogen steel powder and methods of making the same |
CN111304483B (zh) * | 2020-03-18 | 2021-07-06 | 深圳市联合蓝海科技开发有限公司 | 千足金及其制备方法和应用 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63227790A (ja) * | 1987-03-16 | 1988-09-22 | N T T Gijutsu Iten Kk | 高強度ステンレス鋼とその製造方法 |
JPH08120394A (ja) * | 1994-10-17 | 1996-05-14 | Sumitomo Metal Ind Ltd | 高剛性材料の製造方法 |
JP2002047528A (ja) * | 2000-07-28 | 2002-02-15 | Sanyo Special Steel Co Ltd | 粒子分散型高強度フェライト鋼の製造方法 |
US20070295427A1 (en) * | 2006-04-28 | 2007-12-27 | Thorsten Michler | Treated austenitic steel for vehicles |
JP2008255393A (ja) * | 2007-04-03 | 2008-10-23 | Sanyo Special Steel Co Ltd | 高剛性材料およびその製造方法 |
JP2008308759A (ja) * | 2007-06-12 | 2008-12-25 | Korea Inst Of Industrial Technology | 低電流高密度によるプラズマ窒化方法及び低電流高密度によるプラズマ窒化装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4921531A (en) * | 1984-10-19 | 1990-05-01 | Martin Marietta Corporation | Process for forming fine ceramic powders |
GB2183676B (en) * | 1985-11-28 | 1989-11-22 | Atomic Energy Authority Uk | Production of nitride dispersion strengthened alloys |
SE503520C2 (sv) * | 1989-11-15 | 1996-07-01 | Sandvik Ab | Skär av pressad och sintrad titan-baserad karbonitridlegering samt sätt för dess framställning |
RU2039126C1 (ru) * | 1992-12-25 | 1995-07-09 | Российский научный центр "Курчатовский институт" | Способ упрочнения изделий из металлов и их сплавов |
US7410610B2 (en) * | 2002-06-14 | 2008-08-12 | General Electric Company | Method for producing a titanium metallic composition having titanium boride particles dispersed therein |
WO2004013367A2 (en) * | 2002-07-29 | 2004-02-12 | Koninklijke Philips Electronics N.V. | Plasma-nitriding of maraging steel, shaver cap for an electric shaver, cutting device made out of such steel and an electric shaver |
RU2360032C1 (ru) * | 2007-12-10 | 2009-06-27 | Общество с ограниченной ответственностью "Специальные технологии" | Способ получения износостойких сверхтвердых покрытий |
-
2010
- 2010-12-24 FR FR1061243A patent/FR2969662B1/fr not_active Expired - Fee Related
-
2011
- 2011-12-22 WO PCT/FR2011/053175 patent/WO2012085489A1/fr active Application Filing
- 2011-12-22 ES ES11815535.7T patent/ES2572642T3/es active Active
- 2011-12-22 JP JP2013545484A patent/JP5878932B2/ja not_active Expired - Fee Related
- 2011-12-22 RU RU2013132869/02A patent/RU2569438C2/ru not_active IP Right Cessation
- 2011-12-22 US US13/997,558 patent/US8999228B2/en not_active Expired - Fee Related
- 2011-12-22 CN CN201180062477.7A patent/CN103282537B/zh not_active Expired - Fee Related
- 2011-12-22 EP EP11815535.7A patent/EP2655684B1/fr not_active Not-in-force
- 2011-12-22 KR KR1020137019553A patent/KR101506103B1/ko active IP Right Grant
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63227790A (ja) * | 1987-03-16 | 1988-09-22 | N T T Gijutsu Iten Kk | 高強度ステンレス鋼とその製造方法 |
JPH08120394A (ja) * | 1994-10-17 | 1996-05-14 | Sumitomo Metal Ind Ltd | 高剛性材料の製造方法 |
JP2002047528A (ja) * | 2000-07-28 | 2002-02-15 | Sanyo Special Steel Co Ltd | 粒子分散型高強度フェライト鋼の製造方法 |
US20070295427A1 (en) * | 2006-04-28 | 2007-12-27 | Thorsten Michler | Treated austenitic steel for vehicles |
JP2008255393A (ja) * | 2007-04-03 | 2008-10-23 | Sanyo Special Steel Co Ltd | 高剛性材料およびその製造方法 |
JP2008308759A (ja) * | 2007-06-12 | 2008-12-25 | Korea Inst Of Industrial Technology | 低電流高密度によるプラズマ窒化方法及び低電流高密度によるプラズマ窒化装置 |
Also Published As
Publication number | Publication date |
---|---|
WO2012085489A1 (fr) | 2012-06-28 |
JP5878932B2 (ja) | 2016-03-08 |
FR2969662A1 (fr) | 2012-06-29 |
CN103282537B (zh) | 2015-06-03 |
US8999228B2 (en) | 2015-04-07 |
FR2969662B1 (fr) | 2013-06-28 |
ES2572642T3 (es) | 2016-06-01 |
RU2569438C2 (ru) | 2015-11-27 |
EP2655684A1 (fr) | 2013-10-30 |
CN103282537A (zh) | 2013-09-04 |
RU2013132869A (ru) | 2015-01-27 |
KR101506103B1 (ko) | 2015-03-25 |
US20140086783A1 (en) | 2014-03-27 |
EP2655684B1 (fr) | 2016-03-02 |
KR20140005213A (ko) | 2014-01-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5878932B2 (ja) | プラズマ窒化により強化された合金を製造するための方法 | |
US10920292B2 (en) | FeNi ordered alloy and method for manufacturing FeNi ordered alloy | |
US9997285B2 (en) | Transformation enabled nitride magnets absent rare earths and a process of making the same | |
AU2015248303C9 (en) | Austenitic stainless steel and method for producing the same | |
CN105899697A (zh) | 渗碳钢部件的制造方法和渗碳钢部件 | |
EP1294511A1 (en) | Method of production of surface densified powder metal components | |
CN104220631B (zh) | 含Cr奥氏体合金及其制造方法 | |
WO2017064989A1 (ja) | FeNi規則合金およびFeNi規則合金の製造方法 | |
CN102002664B (zh) | 一种梯度结构硬质合金的制备方法 | |
US20230304111A1 (en) | High-entropy alloy and method of heat-treating same | |
Bhasker-Ranganath et al. | Computational insights into the molecular mechanisms for chromium passivation of stainless-steel surfaces | |
WO2006114960A1 (ja) | Fe系焼結合金 | |
CN106460080B (zh) | 铁基合金 | |
Rico et al. | Effect of boron in Fe 70 Al 30 nanostructured alloys produced by mechanical alloying | |
US10867730B2 (en) | Transformation enabled nitride magnets absent rare earths and a process of making the same | |
JP4641091B2 (ja) | 金属材料表面に対する炭窒化物層形成方法及び表面に炭窒化物層を備えるチタン系金属材料 | |
FR2952650A1 (fr) | Procede de fabrication d'un alliage renforce par une dispersion de nanoparticules a base de nitrure | |
Timhagen | Microstructure evolution and creep resistance of a Z-phase strengthened 12% Cr steel | |
Siredey-Schwaller et al. | Secondary Hardening of a High-N Ni-Free Stainless Steel. Materials 2022, 15, 7505 | |
JP2017179501A (ja) | 製造性と耐水素脆性に優れた耐環境用軸受鋼 | |
Dalton | Surface Hardening of Duplex Stainless Steel 2205 | |
CN115938510A (zh) | 添加稀土元素提高合金渗铬速率的理论设计方法及应用 | |
JP2023016679A (ja) | 計時器用ムーブメントのためのバランスばね | |
JP2018044197A (ja) | 鋼部材及びその製造方法 | |
JP2002274829A (ja) | セメンタイトまたはセメンタイト系化合物とその製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20141212 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20141212 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20150813 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20150825 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20151124 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20160107 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20160129 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5878932 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |