WO2006041167A1 - nearβ型チタン合金 - Google Patents
nearβ型チタン合金 Download PDFInfo
- Publication number
- WO2006041167A1 WO2006041167A1 PCT/JP2005/018980 JP2005018980W WO2006041167A1 WO 2006041167 A1 WO2006041167 A1 WO 2006041167A1 JP 2005018980 W JP2005018980 W JP 2005018980W WO 2006041167 A1 WO2006041167 A1 WO 2006041167A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- weight
- titanium alloy
- type titanium
- contained
- strength
- 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.)
- Ceased
Links
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
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
-
- 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
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/043—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent
-
- 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
Definitions
- the present invention relates to a near
- Titanium alloys which are lightweight and have high strength, have a j8 phase mixed with other phases such as the ⁇ phase. Titanium alloys called near ⁇ -type titanium alloys are hot-worked at temperatures lower than the j8 transformation point. It is widely used because of its strength.
- Ti-5A1-2Sn-2Zr-4Mo-4Cr is known to have excellent strength and is widely used as "Ti-17".
- Patent Document 1 describes that the tensile strength of a j8 type titanium alloy is improved by aging treatment.
- the sample No. 4 in Table 1 of Patent Document 1 described above has a tensile strength of 70 kgfZmm 2 ( It is described that the sample can be improved to 130kgfZmm 2 (about 1270MPa) by aging the sample of about 690MPa).
- Patent Document 2 also describes that a titanium alloy having “Ti 17” as a representative component can be strengthened by defining the processing temperature and the heat treatment temperature.
- Patent Document 1 Japanese Patent No. 2669004
- Patent Document 2 Japanese Patent Laid-Open No. 2001-288518
- an object of the present invention is to provide a near ⁇ -type titanium alloy having higher strength than “Ti-17” while suppressing an increase in cost.
- the present inventor has calculated the content of V, Fe, Mo, and Cr, which are ⁇ -phase stabilizing elements, of a titanium alloy based on a predetermined mathematical formula.
- the numerical value obtained by the calculation is within a predetermined range, and further, by containing a predetermined amount of A1, a near ⁇ -type titanium alloy having a strength higher than that of “Ti-17” without aging treatment As a result, the present invention has been completed.
- the present invention contains, by weight, V: 0.5-7%, Fe: 0.5-2.5%, Mo: 0.5-5%, Cr: 0.5-5%, And X is the weight% of the contained V, and the weight% of Fe is contained.
- 8-type titanium alloy is intended to be a mixture of other phases such as an ⁇ phase in the ⁇ phase. This can be confirmed by yarn and weave observation and X-ray diffraction.
- Ti, V, Fe, Mo, Cr are contained as a 13-phase stabilizing element
- Al is contained as an ⁇ -phase stabilizing element, and these have a predetermined content. Because it is blended, it has a strength that is superior to that of “Ti 17” without aging treatment due to the effect of solid solution strengthening.
- the amount of each element contained in the near ⁇ -type titanium alloy of the present embodiment is wt%, V: 0.
- V is in the range of 0.5 to 7% by weight
- V is less than 0.5%
- the effect of stabilizing the j8 phase cannot be obtained.
- the strength is not superior to that of “Ti-17”.
- Fe is 0.1 weight 0/0 5-2. What is 5% of the range in the case of Fe force 0.5 less than 5%, can not be obtained the effect of solid solution strengthening, "Ti- 17 This is because the strength is not superior. In addition, when Fe exceeds 2.5%, the near
- Fe is preferably contained in an amount of 1 to 2% in that the material cost can be further reduced while suppressing variation in characteristics of the near
- Mo is in the range of 0.5 to 5% by weight. When Mo is less than 0.5%, the effect of solid solution strengthening is not obtained, which is superior to “Ti-17”. This is because the strength is not high. Further, if Mo exceeds 5%, the workability is lowered and it becomes difficult to clean. Furthermore, since Mo is expensive as a raw material, there is a problem that the cost increases when the amount added is increased.
- Cr is in the range of 0.5 to 5% by weight. When Cr is less than 0.5%, the effect of solid solution strengthening is not obtained, which is superior to “Ti-17”. It is because it does not become strength. Also, if Cr exceeds 5%, Cr is prayed in the near ⁇ -type titanium alloy, resulting in characteristic variations.
- the Cr content is 3 to 4%.
- A, V, Fe, Mo, and Cr are elements for stabilizing the j8 phase, they act on the stability of the ⁇ phase, and are 3 to 7% by weight. The reason is that when A1 is less than 3%, solid solution strengthening cannot be promoted, and the strength is not superior to that of “Ti-17”. In addition, when A1 exceeds 7%, Ti3Al is precipitated, resulting in poor cacheability.
- the content of A1 is 4 to 6% in that it can suppress a decrease in workability while promoting solid solution strengthening.
- the amount of V, Fe, Mo, Cr contained is the weight percent of the contained V of Fe containing
- the weight% is X
- the weight percentage of the contained Mo is X
- the weight percentage of the contained Cr is X.
- 8-type titanium alloys is that the microstructure can be maintained as an equiaxed structure and good ductility can be maintained, the workability can be improved, and the number of heat can be reduced.
- the temperature is lower than the ⁇ transformation point and 100 ° C. lower than the ⁇ transformation point and higher than the temperature because the scale growth can be prevented.
- the j8 phase stabilizing element other than V, Fe, Mo, and Cr one or more of Nb, Ta, Ni, Mn, and Co can be used.
- Nb 0.5-2%
- Ta 0.5-2%
- Ni 0.25-1%
- ⁇ 0.25-l%
- Co 0.25-1 %
- neutral elements Sn and Zr are replaced as optional components with a part of A1. It can also be used alone or in combination. The contents of these are Sn: 4% or less, Zr: 4% or less, and the weight percentage of A1 contained is X, and the weight percentage of Sn contained is X.
- Impurities include inevitable impurities such as 0 and H, but the point power O that can improve ductility is preferably 0.25% by weight or less. It is more effective to improve the strength by aging treatment.
- the point force H is preferably 0.05% by weight or less.
- a mass of 20 mm thick x 75 mm wide x 97 mm long is produced by button arc melting so that each element has the ratio shown in Table 1, and it is 4 mm thick at a temperature about 50 ° C lower than the ⁇ transformation point. Hot rolled.
- the amount of change in the j8 transformation point when each element is contained alone in pure titanium is read from the phase diagram, and the sum of these changes is obtained. Calculated by calculating the total amount of change.
- the tensile strength and 0.2% proof strength are measured even after aging for 500 ° CXI after hot rolling. It was.
- Comparative Example 12 the tensile strength and 0.2% resistance of “Ti-17” alloy were obtained in the same manner. The evaluation results are shown in Table 2.
- Example 1 1 1 4 2 0 0 0 0 5 3 0 Remainder 6 13.55
- Example 2 4 1 4 2 0 0 0 0 5 3 0 Remainder 6 16.55
- Example 3 1 1 4 1 0 0 0 0 0 5 3 0 Remainder 6 12.05
- Example 4 1 1 4 4 0 0 0 0 5 3 0 Remainder 6 16.55
- Example 5 1 1 4 1 1 1 0 0 0 0 5 3 0 Remainder 6 12.45
- Example 6 1 1 4 1 0 1 0 0 0 5 3 0 3 ⁇ 4g
- Example 7 1 1 4 1 0 0 1 0 0 5 3 0 Remainder 6 13.65
- Example 8 1 1 4 1 0 0 0 1 0 5 3 0 Balance 6 14.35
- Example 9 1 1 4 1 0 0 0 0 0 1 5 3 0 Balance 6 14.15
- Example 10 1 4 1 0 0 0
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005800296118A CN101010439B (zh) | 2004-10-15 | 2005-10-14 | nearβ型钛合金及其热加工方法 |
| US11/665,498 US7910052B2 (en) | 2004-10-15 | 2005-10-14 | Near β-type titanium alloy |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004301272A JP4939741B2 (ja) | 2004-10-15 | 2004-10-15 | nearβ型チタン合金 |
| JP2004-301272 | 2004-10-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006041167A1 true WO2006041167A1 (ja) | 2006-04-20 |
Family
ID=36148453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/018980 Ceased WO2006041167A1 (ja) | 2004-10-15 | 2005-10-14 | nearβ型チタン合金 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7910052B2 (ja) |
| JP (1) | JP4939741B2 (ja) |
| CN (1) | CN101010439B (ja) |
| TW (1) | TW200619397A (ja) |
| WO (1) | WO2006041167A1 (ja) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5130850B2 (ja) | 2006-10-26 | 2013-01-30 | 新日鐵住金株式会社 | β型チタン合金 |
| GB2470613B (en) | 2009-05-29 | 2011-05-25 | Titanium Metals Corp | Alloy |
| JP2011174120A (ja) * | 2010-02-23 | 2011-09-08 | Thk Co Ltd | チタン材料、このチタン材料を構成部材に含む転動装置、及びチタン材料の製造方法 |
| CN101921930B (zh) * | 2010-09-16 | 2013-03-20 | 上海交通大学 | 多元微合金化钛合金及其制备方法 |
| RU2463365C2 (ru) * | 2010-09-27 | 2012-10-10 | Открытое Акционерное Общество "Корпорация Всмпо-Ависма" | СПОСОБ ПОЛУЧЕНИЯ СЛИТКА ПСЕВДО β-ТИТАНОВОГО СПЛАВА, СОДЕРЖАЩЕГО (4,0-6,0)% Аl, (4,5-6,0)% Мo, (4,5-6,0)% V, (2,0-3,6)% Cr, (0,2-0,5)% Fe, (0,1-2,0)% Zr |
| KR101905784B1 (ko) * | 2011-02-24 | 2018-10-10 | 신닛테츠스미킨 카부시키카이샤 | 냉간에서의 코일 취급성이 우수한 고강도 α+β형 티타늄 합금 열연판 및 그 제조 방법 |
| EP2702181B1 (en) | 2011-04-29 | 2015-08-12 | Aktiebolaget SKF | Alloy for a Bearing Component |
| CN103131896B (zh) * | 2011-12-01 | 2015-03-11 | 北京有色金属研究总院 | 一种低成本近β钛合金 |
| US9587770B2 (en) * | 2011-12-20 | 2017-03-07 | Nippon Steel & Sumitomo Metal Corporation | α + β type titanium alloy sheet for welded pipe, manufacturing method thereof, and α + β type titanium alloy welded pipe product |
| CN103276242B (zh) * | 2013-06-04 | 2016-03-09 | 哈尔滨工业大学 | 一种超高强度钛合金的制备方法 |
| US10066282B2 (en) | 2014-02-13 | 2018-09-04 | Titanium Metals Corporation | High-strength alpha-beta titanium alloy |
| CN104313394A (zh) * | 2014-11-10 | 2015-01-28 | 西北有色金属研究院 | 一种可添加钛残料的低成本钛合金 |
| US10094003B2 (en) * | 2015-01-12 | 2018-10-09 | Ati Properties Llc | Titanium alloy |
| US10041150B2 (en) | 2015-05-04 | 2018-08-07 | Titanium Metals Corporation | Beta titanium alloy sheet for elevated temperature applications |
| CN106521236B (zh) * | 2016-10-25 | 2018-08-24 | 南京工业大学 | 一种含Fe的低成本近β型高强钛合金及其制备方法 |
| CN107747002A (zh) * | 2017-11-01 | 2018-03-02 | 五华县新锐科技有限公司 | 一种应用于运动用品的钛合金及其制造方法 |
| CN107858558B (zh) * | 2017-11-23 | 2019-09-03 | 北京有色金属研究总院 | 一种超塑性钛合金板材及其制备方法 |
| CN108103354A (zh) * | 2018-02-02 | 2018-06-01 | 贾红琴 | 一种医用钛合金骨植入物及其制备方法 |
| WO2020046160A1 (en) | 2018-08-31 | 2020-03-05 | The Boeing Company | High-strength titanium alloy for additive manufacturing |
| CN111349817B (zh) * | 2020-04-27 | 2021-09-28 | 中世钛业有限公司 | 一种钛合金钻杆、制备方法及其应用 |
| CN112760522B (zh) * | 2020-12-16 | 2022-05-10 | 有研工程技术研究院有限公司 | 一种高温超塑性钛合金板材及制备方法 |
| CN113151711A (zh) * | 2021-01-28 | 2021-07-23 | 新疆湘润新材料科技有限公司 | 一种新型低成本高强高塑性钛合金 |
| CN114836650B (zh) * | 2022-04-27 | 2022-11-18 | 北京航空航天大学 | 具有完全等轴晶组织和超高屈服强度的钛合金 |
| JP7736625B2 (ja) * | 2022-05-10 | 2025-09-09 | 株式会社豊田中央研究所 | 非磁性部材、チタン合金およびその製造方法 |
| CN115772616B (zh) * | 2022-12-06 | 2024-03-19 | 西北有色金属研究院 | 一种航空结构件用超高强钛合金 |
| CN115821112B (zh) * | 2022-12-26 | 2024-03-15 | 西部金属材料股份有限公司 | 一种适于冷加工的钛合金及其制备方法以及钛合金构件 |
| CN116463516A (zh) * | 2023-02-20 | 2023-07-21 | 新疆湘润新材料科技有限公司 | 一种Ti-1300F钛合金铸锭的熔炼方法 |
| CN120138433B (zh) * | 2025-05-15 | 2025-07-25 | 中国科学院力学研究所 | 具有强非均匀变形能力高屈服强度的钛合金及其制备方法 |
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- 2005-10-14 CN CN2005800296118A patent/CN101010439B/zh not_active Expired - Fee Related
- 2005-10-14 WO PCT/JP2005/018980 patent/WO2006041167A1/ja not_active Ceased
- 2005-10-17 TW TW094136218A patent/TW200619397A/zh unknown
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Also Published As
| Publication number | Publication date |
|---|---|
| JP4939741B2 (ja) | 2012-05-30 |
| US7910052B2 (en) | 2011-03-22 |
| CN101010439B (zh) | 2010-05-12 |
| CN101010439A (zh) | 2007-08-01 |
| JP2006111935A (ja) | 2006-04-27 |
| TW200619397A (en) | 2006-06-16 |
| US20080011395A1 (en) | 2008-01-17 |
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