CN1962913A - Performance-adjustable low-cost titanium alloy - Google Patents
Performance-adjustable low-cost titanium alloy Download PDFInfo
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- CN1962913A CN1962913A CN 200610154693 CN200610154693A CN1962913A CN 1962913 A CN1962913 A CN 1962913A CN 200610154693 CN200610154693 CN 200610154693 CN 200610154693 A CN200610154693 A CN 200610154693A CN 1962913 A CN1962913 A CN 1962913A
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Abstract
The invention discloses a low-cost adjustable titanium alloy, which is characterized by the following: adding Al, Fe, Cr, Ni, S, B, C and Mo in the titanium with weight percentage of X+Y+Z+Ti at 100%(X=Al<=6%,Y=[(0.3<=Fe <=5%)+(0.1<=Cr<=2%)]<=7%,Z=[(Ni<=0.5%)+(S<=1%)+(B<= 0.5%)+(Mo<=0.8%)+(C<=0.5%)]<=3%); blending allocated alloy materials to form self-consumption electrode; fusing in the vacuum arc furnace twice; fixing one parameter of X, Y and Z and changing other two values to allocate the needed dynamic property of titanium alloy; adjusting delta b within 350Mpa-1250Mpa with delta at 5-30% and phi at 10-55%.
Description
Technical field
The present invention relates to a kind of titanium alloy, particularly a kind of low-cost titanium alloy that adopts cheap alloy element to replace noble element.
Background technology
The most noble elements such as vanadium, molybdenum, niobium, zirconium, tin, tantalum that use of commercial titanium alloy interalloy element make the manufacturing cost of titanium alloy and use cost high at present, have influenced applying of titanium alloy.For this reason, people begin to explore the method that reduces titanium alloy cost of manufacture and use cost, and its approach has: by the mode of production of improving starting material-titanium sponge reduce material cost, adopt cheap alloy element, simplify titanium alloy complete processing, optimize the whole bag of tricks such as processing technology of Ti product.Wherein at the Timetal LCB alloy of the Timet company exploitation of adopting Ti-SP alloy, Ti12LC and the Ti8LC alloy and the U.S. that the exploitation of NW China non-ferrous metal research institute is arranged aspect the cheap alloy element in the recent period.These alloys all wish to replace Ti-6Al-4V, and their common alloying characteristics are to have adopted the Mo-Fe alloy with respect to Al-V alloy cheapness to reach the purpose that reduces cost as master alloy.Yet molybdenum remains noble element, so the cost reduction is limited, has only resourceful cheap elements such as the iron of employing, aluminium, silicon, chromium, nitrogen, carbon, boron just can reach and reduces the titanium alloy cost significantly.For this reason, many manufacturers and knowledgeable people have carried out research repeatedly, but do not have ideal method to solve the problems referred to above so far as yet.
Summary of the invention
For overcoming the above-mentioned disadvantage that existing titanium alloy exists, problem to be solved by this invention provides a kind of low-cost titanium alloy that obtains different mechanical properties with cheap alloy element replacement noble element by the fine setting of alloy component.
The technical solution adopted for the present invention to solve the technical problems adds eight kinds of elements such as Al, Fe, Cr, Ni, S, B, C, Mo in titanium, its weight percentage is formed description: X+Y+Z+Ti=100% as follows, wherein:
X＝Al≤6％，
Y＝[(0.3≤Fe≤5％)+(0.1≤Cr≤2％)]≤7％，
Z=[Ni≤0.5%)+(S≤1%)+(B≤0.5%)+(Mo≤0.8%)+(C≤0.5%)]≤3%, and unavoidable impurities element, the alloy material for preparing by above-mentioned formula is pressed into consumable electrode behind thorough mixing, secondary smelting is made in vacuum arc fumace.
X in the formula of the present invention, Y, each parameter of Z are fixed the mechanical property that other two parameters of a parameter change can mix required titanium alloy arbitrarily, σ b can regulate in 350Mpa～1250Mpa, δ can regulate in 5%～30%, and ψ can regulate in 10%～55%.
After the above-mentioned technical scheme that provides is provided, by replacing noble element with cheap alloy element, and alloy component is allocated by above-mentioned described requirement, not only production cost can descend significantly, and can obtain the titanium alloy that different mechanical properties requires, make the Application Areas of titanium alloy more wide.
Embodiment
Below in conjunction with specific embodiments the low-cost titanium alloy of a kind of performance-adjustable of the present invention is sketched, in titanium, add eight kinds of elements such as Al, Fe, Cr, Ni, S, B, C, Mo, the weight percentage of alloy is formed description: X+Y+Z+Ti=100% as follows, X=Al≤6% wherein, Y=[(0.3≤Fe≤5%)+(0.1≤Cr≤2%)]≤7%, + (B≤0.5%)+(Mo≤0.8%)+(C≤0.5%)]≤3%, and the unavoidable impurities element Z=[(Ni≤0.5%)+(S≤1%).The alloy material for preparing by above-mentioned formula is pressed into consumable electrode behind thorough mixing, secondary smelting becomes ingot casting in vacuum arc fumace, can be processed into the titanium alloy product of all size kinds such as bar, sheet material, tubing, band, wire rod.
The present invention fixedly X and Y content in above-mentioned formula, in given numerical value, change the content of Z, can regulate the mechanical property of alloy finished product: perhaps change the content of X by fixing Y and Z, or the fixing content of X and Z change Y, the mechanical property that also can regulate the alloy finished product.According to performance demands, σ b can regulate in 350Mpa～1250Mpa, and δ can be 5%～30% with interior adjusting, and ψ can be 10%～55% with interior adjusting.
According to description of the invention, recommend following examples:
The embodiment summary sheet
| Numbering | The alloy amount of allocating into (% weight) | Mechanical performance index | ||||||||||
| Al | Fe | Cr | Ni | S | B | MO | C | Ti | σb (MPa) | δ ％ | ψ ％ | |
| 1 | 0.0 | 0.3 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.05 | Surplus | 350 | 30 | 55 |
| 2 | 0.0 | 0.6 | 0.15 | 0.1 | 0.0 | 0.0 | 0.0 | 0.06 | Surplus | 400 | 25 | 50 |
| 3 | 0.5 | 0.7 | 0.2 | 0.1 | 0.0 | 0.0 | 0.0 | 0.07 | Surplus | 450 | 25 | 48 |
| 4 | 0.5 | 1.1 | 0.25 | 0.15 | 0.0 | 0.0 | 0.0 | 0.07 | Surplus | 500 | 25 | 45 |
| 5 | 0.5 | 1.5 | 0.3 | 0.2 | 0.0 | 0.0 | 0.0 | 0.07 | Surplus | 550 | 22 | 40 |
| 6 | 1.0 | 1.0 | 0.25 | 0.15 | 0.0 | 0.0 | 0.0 | 0.07 | Surplus | 650 | 20 | 40 |
| 7 | 1.0 | 1.5 | 0.3 | 0.2 | 0.0 | 0.0 | 0.0 | 0.07 | Surplus | 700 | 20 | 40 |
| 8 | 1.0 | 2.0 | 0.4 | 0.2 | 0.0 | 0.0 | 0.0 | 0.07 | Surplus | 750 | 18 | 38 |
| 9 | 1.5 | 0.6 | 0.15 | 0.08 | 0.0 | 0.0 | 0.0 | 0.05 | Surplus | 600 | 25 | 40 |
| 10 | 1.5 | 1.0 | 0.25 | 0.1 | 0.0 | 0.0 | 0.0 | 0.06 | Surplus | 650 | 20 | 40 |
| 11 | 1.5 | 1.5 | 0.35 | 0.2 | 0.0 | 0.0 | 0.0 | 0.07 | Surplus | 750 | 18 | 35 |
| 12 | 2.0 | 0.7 | 0.15 | 0.07 | 0.0 | 0.0 | 0.0 | 0.05 | Surplus | 650 | 18 | 38 |
| 13 | 2.0 | 1.1 | 0.25 | 0.15 | 0.0 | 0.0 | 0.0 | 0.06 | Surplus | 750 | 18 | 35 |
| 14 | 2.0 | 1.5 | 0.45 | 0.2 | 0.0 | 0.0 | 0.0 | 0.07 | Surplus | 800 | 18 | 35 |
| 15 | 2.0 | 1.8 | 0.45 | 0.25 | 0.0 | 0.0 | 0.0 | 0.0 | Surplus | 850 | 18 | 35 |
| 16 | 2.5 | 0.6 | 0.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | Surplus | 650 | 18 | 38 |
| 17 | 2.5 | 1.0 | 0.3 | 0.2 | 00 | 0.0 | 0.0 | 0.0 | Surplus | 700 | 18 | 38 |
| 18 | 2.5 | 1.5 | 0.4 | 0.3 | 0.5 | 0.0 | 0.5 | 0.1 | Surplus | 950 | 15 | 30 |
| 19 | 2.5 | 2.0 | 0.5 | 0.3 | 0.0 | 0.5 | 0.0 | 0.5 | Surplus | 1050 | 10 | 25 |
| 20 | 3.0 | 0.6 | 0.2 | 0.1 | 0.0 | 0.0 | 0.0 | 0.05 | Surplus | 700 | 18 | 35 |
| 21 | 3.0 | 1.0 | 0.2 | 0.1 | 0.0 | 0.O | 0.0 | 0.06 | Surplus | 750 | 15 | 35 |
| 22 | 3.0 | 1.5 | 0.4 | 0.2 | 0.0 | 0.0 | 0.0 | 0.07 | Surplus | 850 | 15 | 35 |
| 23 | 3.0 | 3.0 | 0.6 | 0.2 | 1.0 | 0.0 | 0.8 | 0.08 | Surplus | 1050 | 10 | 25 |
| 24 | 3.5 | 0.3 | 0.2 | 0.1 | 0.0 | 0.0 | 0.0 | 0.05 | Surplus | 750 | 15 | 35 |
| 25 | 3.5 | 3.5 | 1.0 | 0.5 | 0.8 | 0.0 | 0.5 | 0.1 | Surplus | 1100 | 10 | 25 |
| 26 | 4.0 | 1.0 | 0.3 | 0.15 | 0.0 | 0.05 | 0.0 | 0.06 | Surplus | 800 | 15 | 35 |
| 27 | 4.5 | 25 | 0.6 | 0.3 | 0.8 | 0.0 | 0.6 | 0.07 | Surplus | 1150 | 12 | 25 |
| 28 | 5.0 | 2.0 | 0.5 | 0.3 | 0.0 | 0.0 | 0.0 | 0.5 | Surplus | 1200 | 10 | 20 |
| 29 | 5.5 | 3.0 | 0.8 | 0.2 | 0.8 | 0.0 | 0.6 | 0.08 | Surplus | 1250 | 8 | 20 |
| 30 | 6.0 | 4.5 | 2.0 | 0.0 | 1 | 0.0 | 0.0 | 0.5 | Surplus | 1250 | 6 | 15 |
Claims (2)
1, a kind of low-cost titanium alloy of performance-adjustable is characterized in that: add eight kinds of elements such as Al, Fe, Cr, Ni, S, B, C, Mo in titanium, its weight percentage is formed description: X+Y+Z+Ti=100% as follows, wherein:
X＝Al≤6％，
Y＝[(0.3≤Fe≤5％)+(0.1≤Cr≤2％)]≤7％，
Z=[(Ni≤0.5%)+(S≤1%)+(B≤0.5%)+(Mo≤0.8%)+(C≤0.5%)]≤3%, and unavoidable impurities element, the alloy material for preparing by above-mentioned formula is pressed into consumable electrode after mixing, secondary smelting is made in vacuum arc fumace.
2, the low-cost titanium alloy of a kind of performance-adjustable according to claim 1, it is characterized in that: the X in the described formula, Y, each parameter of Z are fixed the mechanical property that other two parameters of a parameter change can mix required titanium alloy arbitrarily, σ b can regulate in 350Mpa～1250Mpa, δ can regulate in 5%～30%
Can in 10%～55%, regulate.
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| CNB2006101546935A CN100503856C (en) | 2006-11-14 | 2006-11-14 | Low-cost titanium alloy |
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| CNB2006101546935A CN100503856C (en) | 2006-11-14 | 2006-11-14 | Low-cost titanium alloy |
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| CN1962913A true CN1962913A (en) | 2007-05-16 |
| CN100503856C CN100503856C (en) | 2009-06-24 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010015723A1 (en) * | 2008-08-08 | 2010-02-11 | Universidad Carlos Iii De Madrid | Low-cost titanium alloys and method for preparation thereof |
| CN102367523A (en) * | 2011-10-08 | 2012-03-07 | 中南大学 | Method for melting titanium alloy containing high-melting point alloy element |
| CN102965542A (en) * | 2012-12-14 | 2013-03-13 | 西北有色金属研究院 | Carbon-containing ultrahigh-strength titanium alloy |
| CN103045905A (en) * | 2011-10-12 | 2013-04-17 | 北京有色金属研究总院 | Low-cost titanium alloy and preparation method thereof |
| CN103667788A (en) * | 2012-09-14 | 2014-03-26 | 北京工业大学 | Titanium alloy and thermal treatment process |
| CN104087785A (en) * | 2014-07-14 | 2014-10-08 | 大连理工大学 | Ti-base Ti-Fe-Y biological medical alloy and preparation method thereof |
-
2006
- 2006-11-14 CN CNB2006101546935A patent/CN100503856C/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010015723A1 (en) * | 2008-08-08 | 2010-02-11 | Universidad Carlos Iii De Madrid | Low-cost titanium alloys and method for preparation thereof |
| ES2341162A1 (en) * | 2008-08-08 | 2010-06-15 | Universidad Carlos Iii De Madrid | Low-cost titanium alloys and method for preparation thereof |
| CN102367523A (en) * | 2011-10-08 | 2012-03-07 | 中南大学 | Method for melting titanium alloy containing high-melting point alloy element |
| CN102367523B (en) * | 2011-10-08 | 2012-12-05 | 中南大学 | Method for melting titanium alloy containing high-melting point alloy element |
| CN103045905B (en) * | 2011-10-12 | 2015-03-11 | 北京有色金属研究总院 | Low-cost titanium alloy and preparation method thereof |
| CN103045905A (en) * | 2011-10-12 | 2013-04-17 | 北京有色金属研究总院 | Low-cost titanium alloy and preparation method thereof |
| CN103667788A (en) * | 2012-09-14 | 2014-03-26 | 北京工业大学 | Titanium alloy and thermal treatment process |
| CN103667788B (en) * | 2012-09-14 | 2016-12-21 | 北京工业大学 | A kind of titanium alloy and Technology for Heating Processing |
| US9828662B2 (en) | 2012-09-14 | 2017-11-28 | Beijing University Of Technology | Low cost and high strength titanium alloy and heat treatment process |
| CN102965542B (en) * | 2012-12-14 | 2014-09-03 | 西北有色金属研究院 | Carbon-containing ultrahigh-strength titanium alloy |
| CN102965542A (en) * | 2012-12-14 | 2013-03-13 | 西北有色金属研究院 | Carbon-containing ultrahigh-strength titanium alloy |
| CN104087785A (en) * | 2014-07-14 | 2014-10-08 | 大连理工大学 | Ti-base Ti-Fe-Y biological medical alloy and preparation method thereof |
| CN104087785B (en) * | 2014-07-14 | 2016-08-24 | 大连理工大学 | A kind of Ti base Ti-Fe-Y biomedical alloy and preparation method thereof |
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|---|---|
| CN100503856C (en) | 2009-06-24 |
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Owner name: JIANGSU JINHUOJU METAL PRODUCT CO., LTD. Free format text: FORMER OWNER: YONGKANG MINTIA TITANIUM INDUSTRY TECHNOLOGY CO., LTD. Effective date: 20130607 |
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