CN1043959A - Especially big (just) frequency-temperature coefficient constant modulus alloy - Google Patents
Especially big (just) frequency-temperature coefficient constant modulus alloy Download PDFInfo
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- CN1043959A CN1043959A CN 89100030 CN89100030A CN1043959A CN 1043959 A CN1043959 A CN 1043959A CN 89100030 CN89100030 CN 89100030 CN 89100030 A CN89100030 A CN 89100030A CN 1043959 A CN1043959 A CN 1043959A
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Abstract
A kind of big (just) frequency-temperature coefficient constant modulus alloy, it is that base adds other multiple alloying element and constitutes by Fe, Ni mainly, and in vacuum induction furnace casting ingot-forming after the melting, be this elastic alloy.And then make bar or band through operations such as forge hot, hot rolling, pickling, solution treatment, cold deformation, ageing treatment.This alloy characteristics are: do not contain Cr, W, but add a spot of Co, B in Fe, Ni are the alloy of base, and technology is not had particular requirement, can obtain frequency warm coefficient ν f＞130 * 100 in the aging range of broad
-6/ ℃, the use temperature scope is between-40 ℃～+ 80 ℃, so can fully satisfy service requirements in the industrial technology.
Description
The invention belongs to a kind of metallic substance, particularly relate to a kind of elastic alloy.
(just) frequency-temperature coefficient constant modulus alloy is to manufacture the main raw that the mechanical vibrator that has specific function in the oscillatory circuit and various tuning fork use greatly, also can do transducing vibrator material in the mechanical filter.General form composite component with this class alloy and piezoelectric ceramic piece, make frequency-temperature coefficient γ f=0, the γ f of piezoelectric ceramic piece is a negative value, and absolute value is very big, therefore require and its compound elastic alloy γ f should be on the occasion of, and absolute value also should be very big.At present the external Soviet Union " big (just) temperature factor alloy of the 43HXTB metal of putting down in writing in the Precise Alloy handbook, its use temperature scope be+20 ℃～+ 60 ℃, frequency warm coefficient gamma f=50～70 * 10
-6/ ℃, this alloy use temperature scope is narrower, and γ f＜100 * 10
-6/ ℃.This elastic alloy has been studied by domestic existing in recent years two units, as Tianjin metallurgical material institute, Chongqing special steel factory.Its alloy ingredient of elastic alloy of this two units development all belongs to the 43HXTB series of the Soviet Union, i.e. 43NiCrTiW alloy, wherein, the research of Tianjin metallurgical material institute be bar, its γ f ≈ 25～70 * 10
-6/ ℃, the Q=20000(bar), use temperature scope+20 ℃～+ 80 ℃.And the development of Chongqing special steel factory, and the performance of report is: frequency warm coefficient gamma f 〉=70 * 10
-6/ ℃; Mechanical quality factor Q=6000～9000(band), the use temperature scope is at-40 ℃～+ 80 ℃, and this alloy of these two unit developments, frequency-temperature coefficient all do not surpass γ f=100 * 10
-6/ ℃, so can't satisfy service requirements in China's industry ideally.
γ f 〉=100 * 10
-6/ ℃, the elastic alloy of especially big (just) frequency-temperature coefficient.
Task of the present invention adopts following technical scheme to finish, characteristics in this kind elastic alloy composition are not contain Cr, W, but serve as that base adds a small amount of Co with Fe, Ni, micro-B and a certain amount of Ti, Al, Mn, Si, thus a kind of new dispersion hardening type alloy formed.Its alloy ingredient is as follows:
(Wt%) by weight percentage
| Nickel | Titanium Ti | Aluminium Al | Cobalt Co | Boron | Manganese Mn | Silicon Si | Iron Fe | |
| Wt% | 39.5～ ～44 | 2.5～3.1 | 0.4～0.9 | 0.1～1.5 | 0.005～ 0.04 | <0.2 | <0.2 | Surplus |
After the batching, can in vacuum induction furnace, be cast into ingot after the melting according to the above ratio.Strip off the skin then → forge hot → hot rolling → solution treatment → pickling → reconditioning → cold rolling one-tenth band, after ageing treatment, 550 ℃～750 ℃ are incubated two hours respectively.
Advantage of the present invention is:
1, do not contain Cr, W, but contain the B of a certain amount of Co and trace, and production technique do not have particular requirement, easily improves the rerum natura of alloy.
2, warm coefficient gamma f is insensitive to aging technique frequently, can obtain big (just) warm coefficient frequently in the broad aging range.
3, because γ f 〉=100 * 10
-6/ ℃, the use temperature scope is at-40 ℃～+ 80 ℃, mechanical quality factor Q=5000～10000(band), so fully satisfied the requirement of using in the industrial technology.When utilizing this alloy and piezoelectric ceramic piece to make composite component, can fully guarantee or improve the serviceability of composite component.
Be described in further details for example below in conjunction with enforcement is of the present invention.
Embodiment 1(is Wt% by weight percentage)
| Composition | Ni | Ti | Al | Co | Mn | B | Si | Fe |
| Wt% | 40.5 | 2.6 | 0.5 | 1.2 | 0.2 | 0.008 | 0.2 | Surplus |
Melting technology is a common process, is melting in vacuum induction furnace, and the Ni that packs into earlier, Co Fe all melt the back refining, add Al, Ti, Mn, B more successively, casting after three minutes.Carry out other technology again: (1100 ℃ of insulation 40min once are swaged into blank with the 750kg the hammer) → hot rolling (1120 ℃ of insulation 30min, heating once rolls in the carbon silicon rod stove) that strips off the skin → forge hot → solution treatment (980 ± 20 ℃ of insulations shrend in 20 minutes) → pickling → reconditioning → cold rolling one-tenth band.Carry out ageing treatment again, temperature can be 550 ℃, 600 ℃, 650 ℃, 700 ℃, 750 ℃ and is incubated two hours respectively, all can obtain γ f 〉=130 * 10
-6/ ℃, Q＞9000.This adds timeliness for cold conditions.
Embodiment 2, by weight percentage
| Composition | Ni | Ti | Al | Co | Si | Mn | B | Fe |
| Wt% | 41.5 | 2.8 | 0.8 | 0.9 | 0.15 | 0.1 | 0.04 | Surplus |
Its melting technology and aftertreatment technology are identical with embodiment 1, and difference is: 930 ℃ of insulation shrends after 30 minutes, 600 ℃ are incubated two hours or 700 ℃ of insulations vacuum aging processing again in two hours then during solution treatment, and this adds timeliness for soft attitude.Obtain: γ f 〉=150 * 10
-6/ ℃ use temperature scope is at-40 ℃～+ 80 ℃.
Claims (2)
1, a kind of constant modulus alloy is characterized in that: do not contain Cr and W in this alloy, it is to serve as that base adds a small amount of Co, micro-B and a certain amount of Ti, Al, Mn, Si with Fe, Ni, thereby forms a kind of dispersion hardening type constant modulus alloy.
2, by the described alloy of claim 1, it is characterized in that: alloy ingredient is (Wt% by weight percentage):
Nickel: 39.5～44%
Titanium Ti:2.5～3.1%
Aluminium Al:0.4～0.9%
Cobalt Co:0.1～1.5%
Boron: 0.005～0.04%
Manganese Mn:＜0.2%
Silicon Si:＜0.2%
Iron Fe: all the other all are %
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89100030 CN1043959A (en) | 1988-12-30 | 1988-12-30 | Especially big (just) frequency-temperature coefficient constant modulus alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89100030 CN1043959A (en) | 1988-12-30 | 1988-12-30 | Especially big (just) frequency-temperature coefficient constant modulus alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1043959A true CN1043959A (en) | 1990-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89100030 Pending CN1043959A (en) | 1988-12-30 | 1988-12-30 | Especially big (just) frequency-temperature coefficient constant modulus alloy |
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|---|---|
| CN (1) | CN1043959A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1099331C (en) * | 2000-05-26 | 2003-01-22 | 清华大学 | Electronic method and equipment for drawing wire of elastic alloy |
| CN100537818C (en) * | 2008-05-29 | 2009-09-09 | 钢铁研究总院 | A kind of constant modulus alloy with high magnetic induction and low frequency temperature coefficient |
| CN102719642A (en) * | 2012-06-21 | 2012-10-10 | 中国科学院金属研究所 | Production process of high-strength high-toughness GH2132 rod/wire material |
-
1988
- 1988-12-30 CN CN 89100030 patent/CN1043959A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1099331C (en) * | 2000-05-26 | 2003-01-22 | 清华大学 | Electronic method and equipment for drawing wire of elastic alloy |
| CN100537818C (en) * | 2008-05-29 | 2009-09-09 | 钢铁研究总院 | A kind of constant modulus alloy with high magnetic induction and low frequency temperature coefficient |
| CN102719642A (en) * | 2012-06-21 | 2012-10-10 | 中国科学院金属研究所 | Production process of high-strength high-toughness GH2132 rod/wire material |
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