JP2014227601A - 常温で延性を有するチタン−アルミニウム系合金インゴット - Google Patents
常温で延性を有するチタン−アルミニウム系合金インゴット Download PDFInfo
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- JP2014227601A JP2014227601A JP2013247496A JP2013247496A JP2014227601A JP 2014227601 A JP2014227601 A JP 2014227601A JP 2013247496 A JP2013247496 A JP 2013247496A JP 2013247496 A JP2013247496 A JP 2013247496A JP 2014227601 A JP2014227601 A JP 2014227601A
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- phase
- ductility
- titanium
- alloy ingot
- room temperature
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- 229910045601 alloy Inorganic materials 0.000 title abstract description 12
- 239000000956 alloy Substances 0.000 title abstract description 12
- 229910000838 Al alloy Inorganic materials 0.000 claims description 36
- UQZIWOQVLUASCR-UHFFFAOYSA-N alumane;titanium Chemical compound [AlH3].[Ti] UQZIWOQVLUASCR-UHFFFAOYSA-N 0.000 claims description 34
- 239000011651 chromium Substances 0.000 claims description 9
- 239000010936 titanium Substances 0.000 claims description 8
- 239000010955 niobium Substances 0.000 claims description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 229910052758 niobium Inorganic materials 0.000 claims description 4
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical group [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- 229910004349 Ti-Al Inorganic materials 0.000 abstract 4
- 229910004692 Ti—Al Inorganic materials 0.000 abstract 4
- 230000000052 comparative effect Effects 0.000 description 40
- 238000000034 method Methods 0.000 description 9
- 230000003647 oxidation Effects 0.000 description 7
- 238000007254 oxidation reaction Methods 0.000 description 7
- 238000003917 TEM image Methods 0.000 description 6
- 229910010038 TiAl Inorganic materials 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000013078 crystal Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 238000000879 optical micrograph Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 229910000765 intermetallic Inorganic materials 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003779 heat-resistant material Substances 0.000 description 1
- 238000001192 hot extrusion Methods 0.000 description 1
- 238000001513 hot isostatic pressing Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 238000007712 rapid solidification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 229910006281 γ-TiAl Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C14/00—Alloys based on titanium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Continuous Casting (AREA)
- Forging (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
本発明による常温で延性を有するチタン−アルミニウム系合金インゴットは、α2相とγ相が規則的に順次配列されたラメラ構造を有し、α2相とγ相の厚さ比γ/α2が2以上であることを特徴とする。
【解決手段】
本発明による常温で延性を有するチタン−アルミニウム系合金インゴットは、α2相とγ相が規則的に順次配列されたラメラ構造を有し、γ相は100〜200nmの厚さを有し、α2相は100nm以下の厚さを有することを特徴とする。
【選択図】図6
Description
Claims (6)
- α2相とγ相が規則的に順次配列されたラメラ構造を有し、α2相とγ相の厚さ比γ/α2が2以上であることを特徴とする常温で延性を有するチタン−アルミニウム系合金インゴット。
- α2相とγ相が規則的に順次配列されたラメラ構造を有し、γ相は100〜200nmの厚さを有し、α2相は100nm以下の厚さを有することを特徴とする常温で延性を有するチタン−アルミニウム系合金インゴット。
- 前記チタン−アルミニウム系合金インゴットは、
44〜46at%のアルミニウム(Al)と、6at%のニオブ(Nb)と、1.0at%のクリープ性向上剤と、1.0at%の耐軟化性向上剤と、残部のチタンとを含むことを特徴とする請求項1又は2に記載の常温で延性を有するチタン−アルミニウム系合金インゴット。 - 前記クリープ性向上剤は炭素(C)及びケイ素(Si)であることを特徴とする請求項3に記載の常温で延性を有するチタン−アルミニウム系合金インゴット。
- 前記耐軟化性向上剤はタングステン(W)及びクロム(Cr)であることを特徴とする請求項4に記載の常温で延性を有するチタン−アルミニウム系合金インゴット。
- 前記チタン−アルミニウム系合金インゴットは、640MPa以上の引張強度を有することを特徴とする請求項5に記載の常温で延性を有するチタン−アルミニウム系合金インゴット。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR1020130056313A KR101342169B1 (ko) | 2013-05-20 | 2013-05-20 | 상온 연성을 갖는 타이타늄-알루미늄계 합금 잉곳 |
KR10-2013-0056313 | 2013-05-20 |
Publications (2)
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JP2014227601A true JP2014227601A (ja) | 2014-12-08 |
JP5902142B2 JP5902142B2 (ja) | 2016-04-13 |
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JP2013247496A Active JP5902142B2 (ja) | 2013-05-20 | 2013-11-29 | 常温で延性を有するチタン−アルミニウム系合金インゴット |
Country Status (3)
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US (1) | US9790577B2 (ja) |
JP (1) | JP5902142B2 (ja) |
KR (1) | KR101342169B1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7197597B2 (ja) | 2017-11-24 | 2022-12-27 | コリア インスティテュート オブ マテリアルズ サイエンス | 高温特性に優れた3dプリンティング用チタン-アルミニウム系合金及びその製造方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6284232B2 (ja) * | 2014-05-28 | 2018-02-28 | 国立研究開発法人物質・材料研究機構 | TiAl基鋳造合金及びその製造方法 |
CN104878452A (zh) * | 2015-05-13 | 2015-09-02 | 南京理工大学 | 一种高温高强TiAl-Nb单晶及其制备方法 |
CN106756231B (zh) * | 2015-11-24 | 2018-07-13 | 浙江捷能汽车零部件有限公司 | 一种纳米晶钛合金紧固件制备方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0711369A (ja) * | 1991-08-29 | 1995-01-13 | Natl Res Inst For Metals | 高延性TiAl基金属間化合物の多結晶体 |
JP2007056340A (ja) * | 2005-08-25 | 2007-03-08 | Mitsubishi Heavy Ind Ltd | 耐熱性TiAl基合金部材の製造方法及び耐熱性TiAl基合金部材 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4294615A (en) | 1979-07-25 | 1981-10-13 | United Technologies Corporation | Titanium alloys of the TiAl type |
US4842820A (en) | 1987-12-28 | 1989-06-27 | General Electric Company | Boron-modified titanium aluminum alloys and method of preparation |
US4842819A (en) | 1987-12-28 | 1989-06-27 | General Electric Company | Chromium-modified titanium aluminum alloys and method of preparation |
US4879092A (en) | 1988-06-03 | 1989-11-07 | General Electric Company | Titanium aluminum alloys modified by chromium and niobium and method of preparation |
US5296056A (en) * | 1992-10-26 | 1994-03-22 | General Motors Corporation | Titanium aluminide alloys |
US5653828A (en) * | 1995-10-26 | 1997-08-05 | National Research Council Of Canada | Method to procuce fine-grained lamellar microstructures in gamma titanium aluminides |
US5908516A (en) * | 1996-08-28 | 1999-06-01 | Nguyen-Dinh; Xuan | Titanium Aluminide alloys containing Boron, Chromium, Silicon and Tungsten |
JP3829388B2 (ja) | 1997-02-12 | 2006-10-04 | 大同特殊鋼株式会社 | TiAl製タービンローター |
JPH10193087A (ja) | 1996-12-27 | 1998-07-28 | Daido Steel Co Ltd | TiAl製タービンローターの製造方法 |
USH1988H1 (en) * | 1998-06-30 | 2001-09-04 | The United States Of America As Represented By The Secretary Of The Air Force | Method to produce gamma titanium aluminide articles having improved properties |
JP2001279353A (ja) * | 2000-03-30 | 2001-10-10 | Toyo Ink Mfg Co Ltd | 電気凝固印刷用陽極に用いるTi合金、陽極および装置 |
DE10024343A1 (de) * | 2000-05-17 | 2001-11-22 | Gfe Met & Mat Gmbh | Bauteil auf Basis von gamma-TiAl-Legierungen mit Bereichen mit gradiertem Gefüge |
US8771439B2 (en) * | 2009-04-01 | 2014-07-08 | Ut-Battelle, Llc | Titanium aluminide intermetallic alloys with improved wear resistance |
KR101261885B1 (ko) | 2012-07-25 | 2013-05-06 | 한국기계연구원 | 베타-감마상을 포함하는 층상 구조의 타이타늄-알루미늄계 합금 |
-
2013
- 2013-05-20 KR KR1020130056313A patent/KR101342169B1/ko active IP Right Grant
- 2013-11-27 US US14/091,543 patent/US9790577B2/en active Active
- 2013-11-29 JP JP2013247496A patent/JP5902142B2/ja active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0711369A (ja) * | 1991-08-29 | 1995-01-13 | Natl Res Inst For Metals | 高延性TiAl基金属間化合物の多結晶体 |
JP2007056340A (ja) * | 2005-08-25 | 2007-03-08 | Mitsubishi Heavy Ind Ltd | 耐熱性TiAl基合金部材の製造方法及び耐熱性TiAl基合金部材 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7197597B2 (ja) | 2017-11-24 | 2022-12-27 | コリア インスティテュート オブ マテリアルズ サイエンス | 高温特性に優れた3dプリンティング用チタン-アルミニウム系合金及びその製造方法 |
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JP5902142B2 (ja) | 2016-04-13 |
US9790577B2 (en) | 2017-10-17 |
US20140341775A1 (en) | 2014-11-20 |
KR101342169B1 (ko) | 2013-12-18 |
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