CN1587427A - Novel elastic conductive alloy and its preparing method - Google Patents
Novel elastic conductive alloy and its preparing method Download PDFInfo
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- CN1587427A CN1587427A CN 200410053071 CN200410053071A CN1587427A CN 1587427 A CN1587427 A CN 1587427A CN 200410053071 CN200410053071 CN 200410053071 CN 200410053071 A CN200410053071 A CN 200410053071A CN 1587427 A CN1587427 A CN 1587427A
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Abstract
The present invention relates to one kind of elastic conductive alloy and its preparation process. The alloy consists of Cu, Ni, Sn and rare earth element Y in certain proportion, and its preparation process includes smelting mother alloy, spraying deposited blank, rolling to deform, ageing and other steps. The alloy of the present invention has not only high strength, high hardness, high elasticity, good weldability, good platability and other advantages, but also excellent heat stress relaxation resistance, good conducting stability and excellent technological performance. It may be used in electronic industry to replace beryllium bronze in making various precise instrument elements.
Description
Technical field
The invention belongs to the metallic substance technical field, particularly a kind of novel elastic electrical conductivity alloy Cu-Ni-Sn-Y Alloy And Preparation Method.
Background technology
Traditional elastic conduction alloy is a beryllium-bronze material, and production technique commonly used is vacuum metling, is aided with subsequent techniques such as solid solution, distortion and timeliness, finally obtains the product of better performances.But beryllium is hypertoxic element, and the application of material is had certain influence.The vacuum metling Cu-Ni-Sn alloy of subsequent development and since alloy in the Sn too high levels, can produce serious component segregation, need long solution treatment make composition even, increased the technology cost, also can influence the performance of material.
Summary of the invention
The object of the present invention is to provide a kind of novel C u-Ni-Sn-Y elastic conduction Alloy And Preparation Method, to substitute present widely used beryllium-bronze material, to strive for outlet and home products upgrading with excellent elasticity conductivity and lower production cost.
Technical scheme of the present invention is: at first determine the composition of mother alloy, use the uniform alloy billet of reaction-injection moulding equipment prepared composition then, the alloy billet to gained is out of shape and timeliness at last, thereby obtains a kind of novel C u-Ni-Sn-Y elastic conduction alloy.
Novel C u-Ni-Sn-Y elastic conduction alloy of the present invention has been broken through the restriction of original Cu-Ni-Sn electrical conductivity alloy on alloying constituent, has developed new alloy system, has simplified production technique, has reduced the production cost of material to a great extent.Because the variation of composition causes the preparation technology of material and the performance of elastic properties of materials electrical conductivity alloy that variation has taken place.For range of application and the replacement beraloy that enlarges Cu-Ni-Sn-Y elastic conduction alloy lays a solid foundation.
The novel elastic electrical conductivity alloy that the present invention proposes, the mass percent of component is as follows: Ni:6～15%, Sn:4～8%, Y:0.05～4%, all the other are Cu.
With the increase of Ni, Sn content, tensile strength of alloys, hardness all improve, but alloy conductive decline.After Ni, Sn content surpassed certain value, not only the electric conductivity of alloy descended, and intensity, hardness all descend.At Sn content one regularly, with the increase of Ni content, the embrittlement degree of alloy weakens, and in general, Ni is by the solution strengthening matrix, the transformation of phase is not made a difference, and the content of Sn can directly influence the carrying out of Spinodal decomposition as previously mentioned.The adding of trace element also can exert an influence to the Cu-Ni-Sn alloy.As in the Cu15Ni8Sn alloy, adding a small amount of Mn, can increase the age hardening effect, slow down the formation and the development of the discontinuous precipitate of α+γ, suppress crystal boundary reaction and grain coarsening simultaneously, improve corrosion resistance of alloy.Add Rare Earth Y in the copper alloy, improved electroconductibility and physical strength.
Elastic conduction alloy preparation technology of the present invention comprises steps such as master alloy melting, jet deposition blank, rolling deformation, timeliness.
The present invention adopts spray forming technology.The spray up n. device as shown in Figure 1.In reaction-injection moulding Cu-Ni-Sn-Y alloy, the very high speed of cooling of acquisition when on the one hand high-voltage high-speed airflow solidifies the metal jet deposition material with melt intensive convective heat exchange, on the other hand under the drive of high velocity air, atomizing droplet in deposition speed constantly up to 50～100m/s, when semi-solid state atomizing droplet high-speed impact substrate or condensate surface, its impact kinetic energy produces enough big shear-stress and velocity of shear, dendrite in the high undercooling atomizing droplet is smashed, form the tissue of non-dendrite, the crystal grain of sample is greatly refinement also.With the remelting in medium-frequency induction furnace of Cu-Ni-Sn-Y alloy, introduce in the spray chamber through catheter, utilize atomizing gas that alloy liquid stream is atomized and be that fine drop, drop are deposited on the rotation copper base subsequently, obtain the alloy deposition base, after distortion and timeliness obtain the elastic conduction alloy sheet.
Concrete operations are as follows: induction furnace is smelted the Cu-Ni-Sn-Y ingot metal frequently in a vacuum, as the reaction-injection moulding mother alloy; Under nitrogen protection, utilize induction heating to be fused into metal liquid, become blank at spray up n. equipment jet deposition then, the about 140-160 of liquation superheating temperature ℃; Atomizing gas adopts nitrogen, initial setting pressure is 1.8MPa, and alloy liquid stream is atomized and is that fine drop, drop are deposited on one subsequently on the rotation copper base of the about 350-370mm of spraying gun, the substrate speed of rotation is 6-10rpm, and the gas/solution throughput ratio is about 0.4-0.6m
3/ kg; Blank was carried out solution treatment 2-5 minute at 850 ℃～950 ℃, with after the cold rolling one-tenth strip of 80～95% deflections, timeliness 30min～60min in the time of 350 ℃～450 ℃ strikes out spring piece at last again.
Alloy of the present invention is except that having advantages such as high intensity, hardness, elasticity, weldability, platability, also have good thermal stress resistance relaxation property, good conductive stability and good processing performance, can be used in the electronic industry and to substitute berylliumbronze and be used to make the elastic element of each precision instrument, instrument, thereby have wide research and market application foreground.
Description of drawings
Fig. 1 is spray up n. apparatus structure diagram.
Embodiment
Embodiment 1: the preparation and the spring piece thereof of reaction-injection moulding Cu-6Ni-4Sn-0.05Y alloy.The preparation technology of Cu-6Ni-4Sn-0.05Y alloy as previously mentioned.About 150 ℃ of liquation superheating temperature, the internal diameter of catheter is φ 4mm; Atomizing gas adopts nitrogen, and initial setting pressure is 1.8MPa; Alloy liquid stream is atomized and is that fine drop, drop are deposited on one subsequently on the rotation copper base of the about 360mm of spraying gun, and the substrate speed of rotation is 8rpm, and the gas/solution throughput ratio is about 0.5m
3/ kg.Deposit preform is through 800 ℃ * 3min solid solution shrend, and 90% deflection is cold rolling, is pressed into spring piece after 350 ℃ of following 1h timeliness.
Embodiment 2: the preparation and the spring piece thereof of reaction-injection moulding Cu-9Ni-6Sn-0.5Y alloy.The preparation technology of Cu-9Ni-6Sn-0.5Y alloy as previously mentioned.About 140 ℃ of liquation superheating temperature, the internal diameter of catheter is φ 4mm; Atomizing gas adopts nitrogen, and initial setting pressure is 1.8MPa; Alloy liquid stream is atomized and is that fine drop, drop are deposited on one subsequently on the rotation copper base of the about 350mm of spraying gun, and the substrate speed of rotation is 8rpm, and the gas/solution throughput ratio is about 0.4m
3/ kg.Deposit preform is through 850 ℃ * 3min solid solution shrend, and 90% deflection is cold rolling, is pressed into spring piece after 400 ℃ of following 1h timeliness.
Embodiment 3: the preparation and the spring piece thereof of reaction-injection moulding Cu-15Ni-8Sn-3.5Y alloy.The preparation technology of Cu-15Ni-8Sn-3.5Y alloy as previously mentioned.About 150 ℃ of liquation superheating temperature, the internal diameter of catheter is φ 4mm; Atomizing gas adopts nitrogen, and initial setting pressure is 1.8MPa; Alloy liquid stream is atomized and is that fine drop, drop are deposited on one subsequently on the rotation copper base of the about 370mm of spraying gun, and the substrate speed of rotation is 8rpm, and the gas/solution throughput ratio is about 0.6m
3/ kg.Deposit preform is through 900 ℃ * 3min solid solution shrend, and 90% deflection is cold rolling, is pressed into spring piece after 450 ℃ of following 1h timeliness.
Claims (2)
1, a kind of elastic conduction alloy is characterized in that the mass percent of each component is as follows:
Ni：6～15％，
Sn：4～8％，
Y：0.05～4％，
All the other are Cu.
2, a kind of preparation method of the alloy of elastic conduction according to claim 1 is characterized in that concrete steps are as follows: induction furnace is smelted the Cu-Ni-Sn-Y ingot metal frequently in a vacuum, as the reaction-injection moulding mother alloy; Under nitrogen protection, utilize induction heating to be fused into metal liquid, become blank at spray up n. equipment jet deposition then, the about 140-160 of liquation superheating temperature ℃; Atomizing gas adopts nitrogen, initial setting pressure is 1.8MPa, and alloy liquid stream is atomized and is that fine drop, drop are deposited on one subsequently on the rotation copper base of the about 350-370mm of spraying gun, the substrate speed of rotation is 6-10rpm, and the gas/solution throughput ratio is about 0.4-0.6m
3/ kg; Blank was carried out solution treatment 2-5 minute at 850 ℃～950 ℃, with after the cold rolling one-tenth strip of 80～95% deflections, timeliness 30min～60min in the time of 350 ℃～450 ℃ strikes out spring piece at last again.
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| CNB2004100530714A CN1327017C (en) | 2004-07-22 | 2004-07-22 | Novel elastic conductive alloy and its preparing method |
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| CNB2004100530714A CN1327017C (en) | 2004-07-22 | 2004-07-22 | Novel elastic conductive alloy and its preparing method |
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| CN1587427A true CN1587427A (en) | 2005-03-02 |
| CN1327017C CN1327017C (en) | 2007-07-18 |
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| CN103643362A (en) * | 2013-12-02 | 2014-03-19 | 上林海润丝业有限公司 | Silk thread breakage detection device |
| CN105229180A (en) * | 2013-03-14 | 2016-01-06 | 美题隆公司 | Superstrength copper-nickel-tin alloy |
| CN105256171A (en) * | 2015-10-30 | 2016-01-20 | 中南大学 | Copper-nickel-tin alloy bar and manufacturing method thereof |
| CN109207793A (en) * | 2018-10-19 | 2019-01-15 | 扬州丰铜业有限公司 | A kind of nickel-copper alloy material and its preparation process |
| CN109536752A (en) * | 2018-12-08 | 2019-03-29 | 雷纳德流体智能科技江苏股份有限公司 | The production method of one Albatra metal |
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| CN115747563A (en) * | 2022-11-23 | 2023-03-07 | 河南科技大学 | Cu-15Ni-8 Sn-based alloy for ocean engineering and preparation method thereof |
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| US4749548A (en) * | 1985-09-13 | 1988-06-07 | Mitsubishi Kinzoku Kabushiki Kaisha | Copper alloy lead material for use in semiconductor device |
| JPH0788546B2 (en) * | 1986-07-15 | 1995-09-27 | 古河電気工業株式会社 | Copper alloy for electronic equipment and its manufacturing method |
| JPH0784631B2 (en) * | 1986-10-23 | 1995-09-13 | 古河電気工業株式会社 | Copper alloy for electronic devices |
| JPS6425929A (en) * | 1987-07-20 | 1989-01-27 | Furukawa Electric Co Ltd | Copper alloy for electronic equipment |
| JPH01198440A (en) * | 1988-02-01 | 1989-08-10 | Furukawa Electric Co Ltd:The | Copper alloy for high tensile electric and electronic equipment |
| CN1025794C (en) * | 1991-08-08 | 1994-08-31 | 中国有色金属工业总公司昆明贵金属研究所 | High strength elastic material of copper-base alloy |
| US6379478B1 (en) * | 1998-08-21 | 2002-04-30 | The Miller Company | Copper based alloy featuring precipitation hardening and solid-solution hardening |
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| CN105229180A (en) * | 2013-03-14 | 2016-01-06 | 美题隆公司 | Superstrength copper-nickel-tin alloy |
| CN103643362A (en) * | 2013-12-02 | 2014-03-19 | 上林海润丝业有限公司 | Silk thread breakage detection device |
| CN105256171A (en) * | 2015-10-30 | 2016-01-20 | 中南大学 | Copper-nickel-tin alloy bar and manufacturing method thereof |
| CN105256171B (en) * | 2015-10-30 | 2017-06-30 | 中南大学 | A kind of adonic bar and preparation method thereof |
| CN109207793A (en) * | 2018-10-19 | 2019-01-15 | 扬州丰铜业有限公司 | A kind of nickel-copper alloy material and its preparation process |
| CN109536752A (en) * | 2018-12-08 | 2019-03-29 | 雷纳德流体智能科技江苏股份有限公司 | The production method of one Albatra metal |
| CN110066942A (en) * | 2019-04-28 | 2019-07-30 | 中南大学 | A kind of ultra-high-strength/tenacity combarloy nickeltin and preparation method thereof |
| CN112439884A (en) * | 2020-11-20 | 2021-03-05 | 昆明理工大学 | Method and device for preparing high-performance plate and strip through multi-nozzle deposition rolling |
| CN114645155A (en) * | 2022-03-23 | 2022-06-21 | 浙江惟精新材料股份有限公司 | High-strength copper alloy and preparation method thereof |
| CN114645155B (en) * | 2022-03-23 | 2023-01-13 | 浙江惟精新材料股份有限公司 | High-strength copper alloy and preparation method thereof |
| CN115747563A (en) * | 2022-11-23 | 2023-03-07 | 河南科技大学 | Cu-15Ni-8 Sn-based alloy for ocean engineering and preparation method thereof |
| CN115747563B (en) * | 2022-11-23 | 2023-12-19 | 河南科技大学 | Cu-15Ni-8 Sn-based alloy for ocean engineering and preparation method thereof |
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| CN1327017C (en) | 2007-07-18 |
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