EP1066415A1 - Two phase titanium aluminide alloy - Google Patents
Two phase titanium aluminide alloyInfo
- Publication number
- EP1066415A1 EP1066415A1 EP99935269A EP99935269A EP1066415A1 EP 1066415 A1 EP1066415 A1 EP 1066415A1 EP 99935269 A EP99935269 A EP 99935269A EP 99935269 A EP99935269 A EP 99935269A EP 1066415 A1 EP1066415 A1 EP 1066415A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- alloy
- titanium
- alurninide
- content
- pmta
- 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
Classifications
-
- 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
- B22F3/23—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces involving a self-propagating high-temperature synthesis or reaction sintering step
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/045—Alloys based on refractory metals
- C22C1/0458—Alloys based on titanium, zirconium or hafnium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/047—Making non-ferrous alloys by powder metallurgy comprising intermetallic compounds
-
- 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
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/005—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides comprising a particular metallic binder
-
- 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
-
- 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
-
- 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
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
Definitions
- All the alloys are exceptionally strong, with a yield strength of more than 100 ksi (700 MPa) and ultimate tensile strength more than 115 ksi (800 MPa) at room temperamre.
- the high strength is due to the refined fully lamellar strucmres produced in these TiAl alloys.
- the TiAlCr sheet material has a yield strength of only 61 ksi (420 MPa) at room temperamre.
- the PMTA alloys are stronger that the TiAlCr sheet by as much as 67 % .
- the PMTA alloys including 0.5% Mo exhibited significantly increased strengths, but slightly lower tensile elongation at room temperamre.
- Figure 12 is a graph of resistivity in microhms versus temperamre for samples 1 and 2 which were cut from an ingot having a nominal composition of PMTA-4, i.e. 30.8 wt% Al, 7.1 wt% Nb, 2.4 wt% W, and 0.045 wt% B.;
- Figure 13 is a graph of hemispherical total emissivity versus temperature for samples 1 and 2;
- Figure 14 is a graph of diffusivity versus temperature for samples 80259-1, 80259-2 and 80259-3 cut from the same ingot as samples 1 and 2;
- Figure 15 is a graph of specific heat versus temperamre for titanium alurninide in accordance with the invention;
- Figure 16 is a graph of thermal expansion versus temperature for samples 80259-1H, 80259-1C, 80259-2H, 80259-3H, and 80259- 3C cut from the same ingot as samples 1 and 2.
- the resistivity of the heater material can be varied by changes in composition such as adjusting the aluminum content of the heater material, processing or by incorporation of alloying additions. For instance, the resistivity can be significantly increased by incorporating particles of alumina in the heater material.
- the heater material can optionally include ceramic particles to enhance creep resistance and/or thermal conductivity.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Powder Metallurgy (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Extrusion Of Metal (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Physical Vapour Deposition (AREA)
- Laminated Bodies (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Abstract
Description
Claims
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1748398A | 1998-02-02 | 1998-02-02 | |
US17483 | 1998-02-02 | ||
US174103 | 1998-10-16 | ||
US09/174,103 US6214133B1 (en) | 1998-10-16 | 1998-10-16 | Two phase titanium aluminide alloy |
PCT/US1999/002212 WO1999051787A1 (en) | 1998-02-02 | 1999-02-02 | Two phase titanium aluminide alloy |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1066415A1 true EP1066415A1 (en) | 2001-01-10 |
EP1066415A4 EP1066415A4 (en) | 2001-05-09 |
EP1066415B1 EP1066415B1 (en) | 2002-07-24 |
Family
ID=26689932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99935269A Expired - Lifetime EP1066415B1 (en) | 1998-02-02 | 1999-02-02 | Two phase titanium aluminide alloy |
Country Status (12)
Country | Link |
---|---|
EP (1) | EP1066415B1 (en) |
JP (1) | JP4664500B2 (en) |
KR (1) | KR100641905B1 (en) |
CN (1) | CN1100153C (en) |
AT (1) | ATE221137T1 (en) |
AU (1) | AU751819B2 (en) |
BR (1) | BR9908529A (en) |
CA (1) | CA2319505C (en) |
DE (1) | DE69902245T2 (en) |
ID (1) | ID26231A (en) |
NO (1) | NO333617B1 (en) |
WO (1) | WO1999051787A1 (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6425964B1 (en) * | 1998-02-02 | 2002-07-30 | Chrysalis Technologies Incorporated | Creep resistant titanium aluminide alloys |
GB9915394D0 (en) * | 1999-07-02 | 1999-09-01 | Rolls Royce Plc | A method of adding boron to a heavy metal containung titanium aluminide alloy and a heavy containing titanium aluminide alloy |
KR101303764B1 (en) * | 2008-10-17 | 2013-09-04 | 잼텍 리미티드 | Inkjet printhead with titanium aluminium alloy heater |
JP5605546B2 (en) * | 2009-04-27 | 2014-10-15 | 国立大学法人九州工業大学 | α + β type titanium alloy, method for producing the same, and method for producing titanium alloy material |
KR101158477B1 (en) * | 2009-12-24 | 2012-06-20 | 포항공과대학교 산학협력단 | Method for producing high strength and high ductility titanium alloy |
RU2523049C1 (en) * | 2013-06-28 | 2014-07-20 | Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Национальный исследовательский технологический университет "МИСиС" | Method of gamma-aluminide titanium-based alloys production |
CN103820674B (en) * | 2014-03-12 | 2016-05-25 | 北京工业大学 | A kind of W, Mn alloying β solidify high Nb-TiAl Alloy And Preparation Method mutually |
CN103820676B (en) * | 2014-03-12 | 2016-03-02 | 北京工业大学 | A kind of Cr, V alloy β phase solidify high Nb containing TiAl based alloy and preparation method thereof |
CN104404305A (en) * | 2014-12-22 | 2015-03-11 | 西北有色金属研究院 | Yttrium-modified TB2 titanium alloy |
DE102016203017B3 (en) * | 2016-02-25 | 2017-08-10 | Continental Automotive Gmbh | Process for the preparation of a catalyst |
CN105821470B (en) * | 2016-04-14 | 2018-09-25 | 南京理工大学 | A kind of dual structure TiAl alloy and preparation method thereof |
US20180230576A1 (en) * | 2017-02-14 | 2018-08-16 | General Electric Company | Titanium aluminide alloys and turbine components |
CN107937753B (en) * | 2017-11-27 | 2019-06-25 | 长春工业大学 | A kind of TiAl duplex grain structure alloy and preparation method with bimodal character |
CN113245743B (en) * | 2021-07-01 | 2021-10-15 | 西安稀有金属材料研究院有限公司 | Titanium flux-cored wire for additive manufacturing of titanium-aluminum intermetallic compound and preparation method thereof |
CN115612874B (en) * | 2022-09-30 | 2023-08-04 | 中国航发北京航空材料研究院 | Preparation method of large-size fine-grain TiAl alloy target |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5281285A (en) * | 1992-06-29 | 1994-01-25 | General Electric Company | Tri-titanium aluminide alloys having improved combination of strength and ductility and processing method therefor |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US542976A (en) * | 1895-07-16 | Fence-post | ||
DE59106459D1 (en) * | 1990-05-04 | 1995-10-19 | Asea Brown Boveri | High temperature alloy for machine components based on doped titanium aluminide. |
JP2678083B2 (en) * | 1990-08-28 | 1997-11-17 | 日産自動車株式会社 | Ti-Al lightweight heat resistant material |
US5284620A (en) * | 1990-12-11 | 1994-02-08 | Howmet Corporation | Investment casting a titanium aluminide article having net or near-net shape |
US5370830A (en) * | 1992-09-23 | 1994-12-06 | Kimberly-Clark Corporation | Hydrosonic process for forming electret filter media |
US5350466A (en) * | 1993-07-19 | 1994-09-27 | Howmet Corporation | Creep resistant titanium aluminide alloy |
US5417781A (en) * | 1994-06-14 | 1995-05-23 | The United States Of America As Represented By The Secretary Of The Air Force | Method to produce gamma titanium aluminide articles having improved properties |
-
1999
- 1999-02-02 CA CA002319505A patent/CA2319505C/en not_active Expired - Fee Related
- 1999-02-02 KR KR1020007008448A patent/KR100641905B1/en not_active IP Right Cessation
- 1999-02-02 CN CN99803452A patent/CN1100153C/en not_active Expired - Fee Related
- 1999-02-02 WO PCT/US1999/002212 patent/WO1999051787A1/en not_active Application Discontinuation
- 1999-02-02 EP EP99935269A patent/EP1066415B1/en not_active Expired - Lifetime
- 1999-02-02 JP JP2000542498A patent/JP4664500B2/en not_active Expired - Fee Related
- 1999-02-02 AU AU50783/99A patent/AU751819B2/en not_active Ceased
- 1999-02-02 BR BR9908529-1A patent/BR9908529A/en not_active IP Right Cessation
- 1999-02-02 AT AT99935269T patent/ATE221137T1/en active
- 1999-02-02 ID IDW20001685A patent/ID26231A/en unknown
- 1999-02-02 DE DE69902245T patent/DE69902245T2/en not_active Expired - Lifetime
-
2000
- 2000-07-28 NO NO20003891A patent/NO333617B1/en not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5281285A (en) * | 1992-06-29 | 1994-01-25 | General Electric Company | Tri-titanium aluminide alloys having improved combination of strength and ductility and processing method therefor |
Non-Patent Citations (5)
Title |
---|
JIN, Z. (LOS ALAMOS NATIONAL LABORATORY) ET AL: "Texture evolution during alpha -forging of gamma -TiAl alloys." MATERIALS SCIENCE AND ENGINEERING A (DEC. 1997) 239-240, 729-735, NUMERICAL DATA, GRAPHS, 13 REF.. SWITZERLAND CONFERENCE: 4TH CONFERENCE ON HIGH TEMPERATURE INTERMETALLICS, SAN DIEGO, CALIFORNIA, USA, 27 APR.-1 MAY 1997 ISSN: 0921-5093, XP002162678 * |
LARSON, D.J. (OAK RIDGE NATIONAL LABORATORY) ET AL: "Precipitation and segregation in alpha 2+ gamma titanium aluminides." MATERIALS SCIENCE AND ENGINEERING A (15 JULY 1998) 250, (1), 65-71, PHOTOMICROGRAPHS, NUMERICAL DATA, GRAPHS, 16 REF.. SWITZERLAND CONFERENCE: 44TH INTERNATIONAL FIELD EMISSION SYMPOSIUM, TSUKUBA, JAPAN, 7-11 JULY 1997 ISSN: 0921-5093, XP002162679 * |
MCQUAY, P. (HOWMET): "Gamma titanium aluminides." FOUNDRY MANAGEMENT AND TECHNOLOGY (SEPT. 1998) 126, (9), 58, 60-62, 64, 66-67, GRAPHS ISSN: 0360-8999, XP002162681 * |
See also references of WO9951787A1 * |
SHIDA, Y. (SUMITOMO METAL INDUSTRIES) ET AL: "Role of tungsten, molybdenum, niobium and silicon on oxidation of TiAl in air at high temperatures." MATER. TRANS., JIM (SEPT. 1994) 35, (9), 623-631, GRAPHS, PHOTOMICROGRAPHS.$R26 REF ISSN: 0916-1821, XP002162680 * |
Also Published As
Publication number | Publication date |
---|---|
NO333617B1 (en) | 2013-07-22 |
JP2002510750A (en) | 2002-04-09 |
EP1066415B1 (en) | 2002-07-24 |
CN1100153C (en) | 2003-01-29 |
WO1999051787A1 (en) | 1999-10-14 |
BR9908529A (en) | 2000-12-05 |
NO20003891D0 (en) | 2000-07-28 |
EP1066415A4 (en) | 2001-05-09 |
KR100641905B1 (en) | 2006-11-06 |
NO20003891L (en) | 2000-10-02 |
AU5078399A (en) | 1999-10-25 |
ATE221137T1 (en) | 2002-08-15 |
WO1999051787A9 (en) | 2000-06-22 |
CN1292038A (en) | 2001-04-18 |
CA2319505C (en) | 2009-10-06 |
ID26231A (en) | 2000-12-07 |
CA2319505A1 (en) | 1999-10-14 |
JP4664500B2 (en) | 2011-04-06 |
AU751819B2 (en) | 2002-08-29 |
DE69902245T2 (en) | 2003-03-27 |
DE69902245D1 (en) | 2002-08-29 |
KR20010040579A (en) | 2001-05-15 |
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