JP7546594B2 - チタン基材及びチタン合金基材の表面改質方法 - Google Patents
チタン基材及びチタン合金基材の表面改質方法 Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
- C22F1/18—High-melting or refractory metals or alloys based thereon
- C22F1/183—High-melting or refractory metals or alloys based thereon of titanium or alloys based thereon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/34—Laser welding for purposes other than joining
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/40—Removing material taking account of the properties of the material involved
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/04—Welding for other purposes than joining, e.g. built-up welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
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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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
-
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
- C23C4/08—Metallic material containing only metal elements
-
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/10—Oxides, borides, carbides, nitrides or silicides; Mixtures thereof
-
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/134—Plasma spraying
-
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/18—After-treatment
-
- 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
- C23C8/80—After-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/14—Titanium or alloys thereof
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Optics & Photonics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Description
[0001] 本発明は、チタン基材及びチタン合金基材の表面改質方法に関する。
[0002] チタン及びチタン合金は、さまざまな苛酷な環境でそれらの比強度が良好で且つ耐食性が優れていることから、多くの工学用途に広く使用されている。しかしながら、耐摩耗性が乏しいため、多くの工学用途でそれらの使用が制限されてきた。表面改質は、性能を改善するために又は新しい用途への道を開くためにチタン及びチタン合金の表面硬度及び耐摩耗性を増加させる方法である。
[0005] 第1の態様では、本発明は、
(a)チタン基材又はチタン合金基材の表面に少なくとも1種のベータ相安定剤を適用(applied)することと、
(b)チタンと少なくとも1種のベータ相安定剤とを合金化するために表面を加熱することと、
を含む、チタン基材又はチタン合金基材の表面改質方法を提供する。
(a)チタン基材又はチタン合金基材の表面に少なくとも1種のベータ相安定剤を適用することと、
(b)表面を窒化するとともにチタンと少なくとも1種のベータ相安定剤とを合金化するために窒素の存在下で表面を加熱することと、
を含む、チタン基材又はチタン合金基材の表面改質方法を提供する。
(a)チタン基材又はチタン合金基材の表面を窒化することと、
(b)チタン基材又はチタン合金基材の表面に少なくとも1種のベータ相安定剤を適用することと、
(c)チタンと少なくとも1種のベータ相安定剤とを合金化するために表面を加熱することと、
を含む、チタン基材又はチタン合金基材の表面改質方法を提供する。
(a)チタン基材又はチタン合金基材の表面に少なくとも1種のベータ相安定剤及びTiC又はTiNの少なくとも1種を適用することと、
(b)チタンと少なくとも1種のベータ相安定剤とを合金化するために表面を加熱することと、
を含む、チタン基材又はチタン合金基材の表面改質方法を提供する。
[0037] 次に、単なる例にすぎないが添付の図面を参照して、本発明の実施形態を説明する。
[0038] 第1の態様では、本発明は、
(a)チタン基材又はチタン合金基材の表面に少なくとも1種のベータ相安定剤を適用することと、
(b)チタンと少なくとも1種のベータ相安定剤とを合金化するために表面を加熱することと、
を含む、チタン基材又はチタン合金基材の表面改質方法を提供する。
[0056] 以下の表1は、代表的ベータ共析元素(実施例1)及び代表的ベータ同形元素(実施例2)で調製された実施例のチタン基材及びチタン合金基材の表面改質を詳述する。比較例(実施例3)として、厚さ15mmのTiグレード2プレート材料の窒化が提供される。実施例1~3では、表面溶融は、窒素(80体積%、残部アルゴン)の存在下でガスタングステンアーク溶接(GTAW)により実施された。同一基材材料で実施された実施例1及び2は、2工程プロセスである。実施例1及び2では、工程1は、代表的ベータ共析元素としてCuを含むAPS被覆(実施例1)及び結合成分又は希釈成分としてのTiと共に代表的ベータ同形元素としてWCを含有する化合物を含むAPS被覆(実施例2)に関与する。実施例1及び2では、APS被覆は100~400ミクロンの厚さであった。実施例1及び2では、工程2は、明記されたガス混合物の存在下でAPS層及び下側Ti基材を溶融する熱源としてGTAWを用いる窒化工程である。ここで提示されたガス混合物は、比較の便宜上、80体積%の窒素(残部はアルゴンである)に固定される。当業者であれば、窒化チタン相の量及び得られる改質層の硬度を効果的に制御するために他のガス混合物を適用可能であることは分かるであろう。
[0060] 非改質Tiグレード2及び表1に列挙される実施例1~3のサンプルは、低応力耐摩耗性を定量するためのASTM G65ドライサンド/ゴムホイール試験法に付された。試験前、表面から直接50~100ミクロンを機械研磨により除去して、試験試料のフラット表面を形成した。被覆試料に対する標準手順(ASTM G65の「手順B」-200rpmで2000回転)に沿って130Nの荷重を適用し、摩耗サンド(abrading sand)の制御フロー(約500g/min)も供給した。試験の前及び後に微量天秤(±0.01g)で試験サンプルを秤量して質量損失を決定し、表面改質領域の測定密度を用いて体積損失に変換した。既知のジオメトリーの被覆の非常に小さなサンプルを作製することにより、密度を決定した。
[0063] 試験は、チタンが中程度の性能を提供することが知られる取組み困難な腐食環境での腐食挙動に対して、表1の実施例1~3に詳述されるプロセスの変形形態によるチタン基材の表面改質効果を評価するために行われた。これらの条件は、高圧酸浸出(HPAL)又は圧力酸化(POX)湿式冶金プロセスの使用条件に類似するように設計された。
Claims (4)
- チタン又はチタン合金の基材の表面改質方法であって、
溶射により前記基材の表面にベータ安定剤を堆積し、前記基材の前記表面に被覆を生成することと、
窒素の存在下で前記基材及び前記被覆を表面溶融し、前記基材と識別可能な表面層を生成することと、
を含み、
前記方法は、高圧酸浸出(HPAL)又は圧力酸化(POX)湿式冶金プロセスの腐食環境における使用のために改善された耐摩耗性及び耐食性を有するチタン又はチタン合金の前記基材を提供する、方法。 - 前記ベータ安定剤が、ベータ同形元素又はベータ共析元素である、請求項1に記載の方法。
- 前記溶射が、大気プラズマ溶射により実施される、請求項1に記載の方法。
- 前記表面溶融が、ガスタングステンアーク溶接又はレーザー加工により実施される、請求項1に記載の方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2019901347A AU2019901347A0 (en) | 2019-04-18 | A Method for Surface Modification of Titanium and Titanium Alloy Substrates | |
| AU2019901347 | 2019-04-18 | ||
| PCT/IB2020/053580 WO2020212883A1 (en) | 2019-04-18 | 2020-04-16 | A method for surface modification of titanium and titanium alloy substrates |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2022529483A JP2022529483A (ja) | 2022-06-22 |
| JP7546594B2 true JP7546594B2 (ja) | 2024-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2021562076A Active JP7546594B2 (ja) | 2019-04-18 | 2020-04-16 | チタン基材及びチタン合金基材の表面改質方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US11859292B2 (ja) |
| EP (1) | EP3956491A4 (ja) |
| JP (1) | JP7546594B2 (ja) |
| AU (1) | AU2020258073B2 (ja) |
| CA (1) | CA3137607A1 (ja) |
| WO (1) | WO2020212883A1 (ja) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4364969A (en) | 1979-12-13 | 1982-12-21 | United Kingdom Atomic Energy Authority | Method of coating titanium and its alloys |
| JPS6256561A (ja) * | 1985-09-06 | 1987-03-12 | Honda Motor Co Ltd | TiまたはTi合金の表面硬化方法 |
| JPS62270277A (ja) * | 1986-05-18 | 1987-11-24 | Daido Steel Co Ltd | Ti基合金製耐摩部材の製造方法 |
| EP0246828B1 (en) * | 1986-05-18 | 1991-09-25 | Daido Tokushuko Kabushiki Kaisha | Wear-resistant titanium or titanium alloy members |
| US5009966A (en) | 1987-12-31 | 1991-04-23 | Diwakar Garg | Hard outer coatings deposited on titanium or titanium alloys |
| JPH0699821B2 (ja) * | 1989-08-07 | 1994-12-07 | 本田技研工業株式会社 | チタンまたはチタン基合金製構造部材 |
| JPH05148598A (ja) | 1991-02-20 | 1993-06-15 | Mitsubishi Materials Corp | チタン又はチタン合金からなる基材の表面硬化法および表面硬化部材 |
| US5455079A (en) | 1991-07-26 | 1995-10-03 | The United States Of America As Represented By The Secretary Of The Interior | Surface hardening of titanium alloys with melting depth controlled by heat sink |
| US10151021B2 (en) | 2015-09-30 | 2018-12-11 | Apple Inc. | Durable cosmetic finishes for titanium surfaces |
-
2020
- 2020-04-16 EP EP20790184.4A patent/EP3956491A4/en active Pending
- 2020-04-16 CA CA3137607A patent/CA3137607A1/en active Pending
- 2020-04-16 US US17/604,721 patent/US11859292B2/en active Active
- 2020-04-16 WO PCT/IB2020/053580 patent/WO2020212883A1/en not_active Ceased
- 2020-04-16 AU AU2020258073A patent/AU2020258073B2/en active Active
- 2020-04-16 JP JP2021562076A patent/JP7546594B2/ja active Active
Non-Patent Citations (1)
| Title |
|---|
| Vahedi Nemani Alireza, Sohi M. Heydarzadeh, Amadeh A. A. , Ghaffari Mahya,Liquid phase surface nitriding of Ti-6Al-4V pre-placed with chromium,Materials Chemistry and Physics,NL,2016年08月01日,Vol. 178,p.98-103 |
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| Publication number | Publication date |
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| AU2020258073A1 (en) | 2021-11-11 |
| US11859292B2 (en) | 2024-01-02 |
| EP3956491A1 (en) | 2022-02-23 |
| US20220178009A1 (en) | 2022-06-09 |
| JP2022529483A (ja) | 2022-06-22 |
| WO2020212883A1 (en) | 2020-10-22 |
| EP3956491A4 (en) | 2022-12-28 |
| AU2020258073B2 (en) | 2026-02-12 |
| CA3137607A1 (en) | 2020-10-22 |
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