CN106834795A - A kind of high resiliency, corrosion-resistant, wear-resisting Cu Ni Sn alloy preparation methods - Google Patents

A kind of high resiliency, corrosion-resistant, wear-resisting Cu Ni Sn alloy preparation methods Download PDF

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CN106834795A
CN106834795A CN201710092260.XA CN201710092260A CN106834795A CN 106834795 A CN106834795 A CN 106834795A CN 201710092260 A CN201710092260 A CN 201710092260A CN 106834795 A CN106834795 A CN 106834795A
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alloy
corrosion
resisting
wear
resistant
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彭红兵
徐玉松
黄海
李小兵
张静
孙胡虎杰
刘以新
陆筱彬
陈君
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Jiangyin Huarui Electrical Polytron Technologies Inc
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper
    • C22C9/02—Alloys based on copper with tin as the next major constituent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
    • B22D27/02—Use of electric or magnetic effects
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/04—Refining by applying a vacuum
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/10—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with refining or fluxing agents; Use of materials therefor, e.g. slagging or scorifying agents
    • 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
    • C22C1/02—Making non-ferrous alloys by melting
    • 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
    • C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper
    • C22C9/06—Alloys based on copper with nickel or cobalt 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
    • C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

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  • Mechanical Engineering (AREA)
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Abstract

The step of a kind of high resiliency of the present invention, corrosion-resistant, wear-resisting Cu Ni Sn alloy preparation methods, preparation method is：Using vacuum induction melting or covering protection formula non-vacuum melting Cu Ni Sn ternary alloy three-partalloys, applying electromagnetic agitation to aluminium alloy is solidified completely in subsequent process of setting, and homogenizing annealing-water-cooled-solid solution-cold deformation-Ageing Treatment is then carried out to cast alloy.A kind of high resiliency of the present invention, corrosion-resistant, wear-resisting Cu Ni Sn alloy preparation methods can crystal grain thinnings, reduce interdendritic away from, eliminate this and be that alloy is microcosmic and gross segregation and ageing strengthening effect is excellent, improve the plastic deformation ability that this is alloy, alloy service life is improved, and solidified middle applying electromagnetic agitation, the degree of segregation in gained as-cast structure is small, easily eliminate, therefore with energy saving, improve production efficiency, the advantage for reducing production cost.

Description

A kind of high resiliency, corrosion-resistant, wear-resisting Cu-Ni-Sn alloy preparation methods
Technical field
The present invention relates to a kind of high resiliency, the preparation method of corrosion-resistant, wear-resisting Cu-Ni-Sn alloys, belong to Cu alloy material Processing technique field.
Background technology
High strength copper alloy when being most widely used with beryllium-bronze, but beallon distributed in process of production containing beryllium Compound dust, smog can cause the various organ acute and chronic poisonings of human body, thus beryllium be put into it is the tightest during various industry are poisoned The pollutant of weight, countries in the world all limit the production home of material containing beryllium surely.The seventies in last century, the U.S. took the lead in having carried out beryllium The research of bronze substitute material, 3 kinds of Cu-Ni-Sn alloy materials are developed using spinodal Technologies for Heating Processing, and the eighties Incorporate AMS standards systems.
The domestic research work in the field continued for more than 20 years, but up to the present, many achievements in research are still in real Test the room stage, the research and development of large scale rod bar product still belong to blank；Especially when Sn contents are higher in Cu-Ni-Sn alloying components, As-cast structure is the dendrite that there is obvious component segregation, is mainly shown as that liquid alloy crystallizes out the enrichment of Cu, Ni atom first Dendroid ɑ solid solution, interdendritic is the solid solution for being enriched with solute atoms Sn, and quantity, size (Cu, Ni) not etc.3Sn compounds, thus the difficulty of materials plastic forming is increased, easily induce the micro-flaw in tissue, reduce the fatigue of product Life-span.
The content of the invention
It is an object of the invention to provide a kind of high resiliency, corrosion-resistant, wear-resisting Cu-Ni-Sn alloy preparation methods, the preparation side It is that alloy is microcosmic and gross segregation that method can eliminate this, improves the plastic deformation ability that this is alloy, improves alloy service life, And with energy saving, improve production efficiency, the advantage for reducing production cost.
The purpose of the present invention is achieved through the following technical solutions.
The step of a kind of high resiliency, corrosion-resistant, wear-resisting Cu-Ni-Sn alloy preparation methods, preparation method is：
Step one：The percentage by weight of each component that preparation prepares Cu-Ni-Sn alloys is：Ni 3 ~ 41%, Sn 1 ~ 26%, it is micro- At least one in secondary element Cr, Mn, Nb, Si, Zr and Ti, and Cr, Mn, Nb, Si, Zr, Ti total amount are 0.03% ~ 0.3%；It is remaining It is Cu to measure；
Step 2：Above-mentioned alloy is melted using vacuum induction melting mode or using the non-vacuum melting mode of covering protection Refining, feeding intake is, Cu and Ni adds simultaneously, adds Sn and other trace elements after waiting Cu and Ni to melt and refine again；Poured after melting down Casting；
Step 3：Apply electromagnetic agitation to aluminium alloy in process of setting to solidify completely, the mixing time of electromagnetic agitation for 20s ~ 100s；
Step 4：By above-mentioned cast alloy through homogenizing annealing water-cooled solid solution cold deformation Ageing Treatment.
A kind of high resiliency of the present invention, corrosion-resistant, wear-resisting Cu-Ni-Sn alloy preparation methods, in the step one：Ni and Sn Weight percent content be： Ni 14~16% ;Sn8.5~10.5%.
A kind of high resiliency of the present invention, corrosion-resistant, wear-resisting Cu-Ni-Sn alloy preparation methods, in the step 2：Control out Furnace temperature is 1100 ~ 1300 DEG C.
A kind of high resiliency of the present invention, corrosion-resistant, wear-resisting Cu-Ni-Sn alloy preparation methods, in the step 4：, wherein Homogenize annealing process：840 DEG C × 8h, solid solution treatment process：750 ~ 840 DEG C × 1h, cold deformation：60% ~ 80%, Ageing Treatment work Skill：350~400℃×（0.5~6h）.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention can solve the problem that the segregation problems of Cu-Ni-Sn As-cast Microstructures, improve the plastic deformation ability that this is alloy, Alloy service life is improved, product quality and production efficiency is significantly improved, energy saving reduces production cost.Concretely, originally Invention can crystal grain thinning, reduce interdendritic away from, eliminate this and be that alloy is microcosmic and gross segregation and ageing strengthening effect is excellent, improve This is the plastic deformation ability of alloy, improves alloy service life, and solidifies middle applying electromagnetic agitation, in gained as-cast structure Degree of segregation is small, easy elimination, therefore with energy saving, improve production efficiency, the advantage for reducing production cost.
Brief description of the drawings：
Fig. 1 is the alloy microscopic structure of the Cu-Ni-Sn after different capacity electromagnetic agitation in process of setting；Wherein：(a) 0 KW; (b) 1 KW; (c) 2.5KW; (d) 4 KW
Timeliness hardness curve under the conditions of Fig. 2 difference cold deformations.
Specific embodiment
A kind of high resiliency of the present invention, corrosion-resistant, wear-resisting Cu-Ni-Sn alloy preparation methods, the preparation method Step is：
Step one：The percentage by weight of each component that preparation prepares Cu-Ni-Sn alloys is：Ni 3 ~ 41%, Sn 1 ~ 26%, it is micro- At least one in secondary element Cr, Mn, Nb, Si, Zr and Ti, and Cr, Mn, Nb, Si, Zr, Ti total amount are 0.03% ~ 0.3%；It is remaining It is Cu to measure；
Above-mentioned Ni, Sn selection need to ensure that Cu-Ni-Sn alloys can occur spinodal decomposition；
Preferably, in the step one：The weight percent content of Ni and Sn is： Ni 14~16% ;Sn8.5~10.5%
Step 2：Above-mentioned alloy is melted using vacuum induction melting mode or using the non-vacuum melting mode of covering protection Refining, feeding intake is, Cu and Ni adds simultaneously, adds Sn and other trace elements after waiting Cu and Ni to melt and refine again；Poured after melting down Casting；Tapping temperature is controlled for 1100 ~ 1300 DEG C,
Step 3：Apply electromagnetic agitation to aluminium alloy in process of setting to solidify completely, the mixing time of electromagnetic agitation for 20s ~ 100s；
In process of setting apply electromagnetic agitation on the one hand can crystal grain thinning, reduce interdendritic away from, reduce solutes accumulation distance, separately On the one hand the liquid metal temperature gradient in dendritic solidification forward position is distributed more gentle, both reduced what dendrite grew along wheelbase Speed, also consequently reduces secondary dendrite and more high order dendrite each other to the blockade zone of liquid metal, further delays With interdendritic solute concentration, slow down the order of severity of alloy branch crystal segregation, suppress even to eliminate the generation of segregation, and for follow-up Treatment provides advantage.
Step 4：By above-mentioned cast alloy through homogenizing annealing water-cooled solid solution cold deformation Ageing Treatment, wherein homogenization is moved back Ignition technique：840 DEG C × 8h, solid solution treatment process：750 ~ 840 DEG C × 1h, cold deformation：60% ~ 80%, aging treatment process：350 ~400℃×（0.5~6h）.
Concretely, percentage by weight during trace element Cr, Mn, Nb, Si, Zr and Ti is added in a kind of alloy of step For：
Cr 0.03% ~ 0.3%,
Mn 0.03% ~ 0.3%,
Nb 0.03% ~ 0.3%,
Si 0.03% ~ 0.3%,
Zr 0.03% ~ 0.3%,
Ti 0.03%~0.3%。
And add acting as trace element：
Cr：Delaying spinodal decomposition process, improve alloy strength improves the plasticity of quenching aging samples.
Mn：Delay or accelerate alloy aging and strain ageing process, improve optimal aging temp, enhancing hardening effect and Corrosion resistance in acid.
Nb：The Spinodal of White brass alloy is promoted to decompose, the reinforcing for accelerating its Spinodal to decompose, but also promote simultaneously brilliant Boundary precipitated phase is grown up.Also the crystal grain of White brass alloy can be refined, improves its intensity and plasticity.
Si：Si after solid solution mainly combines to form Ni with Ni2Si and Ni3Si phases.Due to Ni3Si phases are insoluble in matrix, Separated out on crystal boundary, occupy the nucleation site of discontinuous precipitation thing, the row core of discontinuous precipitation thing suppressed so as to play, is grown up and not The effect of continuous sludge front interface movement.And Ni2Si phases are then conversely, after through solution treatment, there is most of Ni2Si phase solid solutions Oversaturated solid solution is formed in matrix.In ag(e)ing process, the Ni of precipitation2Si phases are played and Ni3Si phases identical is acted on.
Zr：The continuous precipitation process on alloy crystal boundary is effectively postponed, therefore the amplitude modulation of White brass alloy can be effectively facilitated Decomposable process, and effectively improve the intensity and ductility of the alloy.
Ti：Can refining alloy crystal grain and improve the intensity and plastic property of alloy.When Ti contents are more than 0.3%, Ti energy The second new phase Ni of generation is combined with the Ni in matrix3Ti, so as to effectively suppress the precipitation of the phases of γ second in alloy, postpones Hardness to peaking aging time, meanwhile, the growth of cellular structure is inhibited.
Below, it is analyzed in conjunction with specific embodiments；
Cu-Ni-Sn alloys are used in vacuum metling experiment, and its chemical composition is as shown in table 1.Casting after alloy is melting down, in process of setting The middle electromagnetic agitation for applying varying strength then carries out same treatment, i.e. homogenizing annealing water to solidifying completely to cast alloy Freeze off molten cold deformation Ageing Treatment, wherein homogenizing annealing process：840 DEG C × 8h, solid solution treatment process：800 DEG C × 1h, cold change Shape amount：70%, aging treatment process：400℃×（2.5h）.
Stirring parameter：The power of agitator of comparative example 1, example 1, example 2 and example 3 is respectively 0 KW, 1 KW, 2.5 KW and 4 KW.The hardness after microstructure homogenizing annealing solution treatment under different electromagnetic agitation power conditions with And the timeliness hardness under the conditions of different cold deformations is as shown in Fig. 1, table 2 and Fig. 2.
Table 1 is the chemical composition of each test steels（wt%）
Cu Ni Sn Other
Example 1 74.7 15.6 8.7 1
Example 2 74.6 15.6 8.8 1
Example 3 74.8 15.7 8.5 1
Comparative example 1 74.8 15.6 8.6 1
Table 2 is the hardness after homogenizing annealing solution treatment
Electricity stirs power 0 KW 1 KW 2.5 KW 4 KW
Vickers hardness 106.4 98.62 96.54 91.41
From the result of example 1 ~ 3：In process of setting apply electromagnetic agitation can crystal grain thinning, reduce interdendritic away from, suppress The generation of segregation；Under the conditions of identical homogenizing annealing and solution treatment, raised with electromagnetic agitation power, hardness is gradually reduced, coagulated Gu during apply function composite by electromagnetic stirring, the liquid metal temperature in dendritic solidification forward position, solute concentration distribution can be made uniform, mitigate Dendritic segregation, in the case where identical homogenizing annealing heat treatment condition is experienced, gained tissue is more uniform, and hardness is relatively low, and After Ageing Treatment, example hardness reinforcing peak occurs relatively late, and peak value is of a relatively high, timeliness excellent effect.

Claims (5)

1. a kind of high resiliency, corrosion-resistant, wear-resisting Cu-Ni-Sn alloy preparation methods, it is characterised in that：The step of the preparation method Suddenly it is：
Step one：The percentage by weight of each component that preparation prepares Cu-Ni-Sn alloys is：Ni 3 ~ 41%, Sn 1 ~ 26%, it is micro- At least one in secondary element Cr, Mn, Nb, Si, Zr and Ti, and Cr, Mn, Nb, Si, Zr, Ti total amount are 0.03% ~ 0.3%；It is remaining It is Cu to measure；
Step 2：Above-mentioned alloy is melted using vacuum induction melting mode or using the non-vacuum melting mode of covering protection Refining, feeding intake is, Cu and Ni is added simultaneously, waits Cu and Ni to melt and Sn and trace element are added after refining；Poured after melting down Casting；
Step 3：Apply electromagnetic agitation to aluminium alloy in process of setting to solidify completely；
Step 4：By above-mentioned cast alloy through homogenizing annealing water-cooled solid solution cold deformation Ageing Treatment.
2. as claimed in claim 1 a kind of high resiliency, corrosion-resistant, wear-resisting Cu-Ni-Sn alloy preparation methods, it is characterised in that：Institute In stating step one：The weight percent content of Ni and Sn is： Ni 14~16% ；Sn8.5~10.5%.
3. as claimed in claim 1 a kind of high resiliency, corrosion-resistant, wear-resisting Cu-Ni-Sn alloy preparation methods, it is characterised in that：Institute In stating step 2：It is 1100 ~ 1300 DEG C to control tapping temperature.
4. as claimed in claim 1 a kind of high resiliency, corrosion-resistant, wear-resisting Cu-Ni-Sn alloy preparation methods, it is characterised in that：Institute In stating step 3：The mixing time of electromagnetic agitation is 20s ~ 100s.
5. as claimed in claim 1 a kind of high resiliency, corrosion-resistant, wear-resisting Cu-Ni-Sn alloy preparation methods, it is characterised in that：, Each technological parameter in the step 4 is：Homogenizing annealing process：840 DEG C × 8h, solid solution treatment process：750~840℃× 1h, cold deformation：60% ~ 80%, aging treatment process：350~400℃×（0.5~6h）.
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CN109593989A (en) * 2017-10-03 2019-04-09 Ｊｘ金属株式会社 Cu-Ni-Sn series copper alloy foil, the camera model for stretching copper product, electronic equipment part and auto-focusing
CN110629070A (en) * 2019-10-30 2019-12-31 江阴华瑞电工科技股份有限公司 Preparation method of high-elasticity, corrosion-resistant and wear-resistant Cu-Ni-Sn alloy
CN110777280A (en) * 2019-11-28 2020-02-11 安徽实友电力金具有限公司 Copper-nickel-tin alloy for socket and preparation method thereof
CN110964942A (en) * 2019-12-19 2020-04-07 无锡隆达金属材料有限公司 Preparation process of high-strength wear-resistant copper alloy pipe
CN110964943A (en) * 2019-12-19 2020-04-07 无锡隆达金属材料有限公司 Method for producing high-strength copper alloy by adopting semi-continuous casting
CN111020284A (en) * 2019-12-19 2020-04-17 无锡隆达金属材料有限公司 Preparation method of high-strength wear-resistant copper alloy pipe
CN113351879A (en) * 2021-05-27 2021-09-07 北京科技大学 Preparation method for cold deformation and heat treatment reinforced additive manufacturing of Cu-Ni-Sn alloy
CN113755716A (en) * 2021-09-07 2021-12-07 大连理工大学 High-performance copper-nickel-tin alloy and preparation method thereof
CN113789459A (en) * 2021-09-02 2021-12-14 宁波博威合金材料股份有限公司 Copper-nickel-tin alloy and preparation method and application thereof
CN114086027A (en) * 2021-11-25 2022-02-25 江西理工大学 High-temperature softening resistant Cu-Ni-Sn series high-strength high-elasticity copper alloy and preparation method thereof
CN114507794A (en) * 2022-02-11 2022-05-17 无锡日月合金材料有限公司 Copper-nickel-tin alloy material for high-elasticity element and preparation method thereof
CN114561568A (en) * 2022-02-23 2022-05-31 山西尼尔耐特机电技术有限公司 Component design of high-performance copper-nickel-tin-molybdenum alloy, and preparation method and application thereof
EP4067520A1 (en) * 2021-03-31 2022-10-05 NGK Insulators, Ltd. Copper alloy and method for producing same
CN115710656A (en) * 2022-09-20 2023-02-24 宁波兴业鑫泰新型电子材料有限公司 High-strength high-elasticity high-wear-resistance Cu-Ni-Sn 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
CN116043061A (en) * 2023-01-18 2023-05-02 中南大学 Elastic copper alloy and preparation method thereof
CN116287856A (en) * 2023-02-23 2023-06-23 昆明理工大学 High-strength high-elasticity quaternary copper-nickel-tin-chromium alloy and preparation method thereof
WO2023165187A1 (en) * 2022-11-23 2023-09-07 河南科技大学 Multi-element cu-ni-sn-based alloy for oil and gas exploitation and preparation method therefor
CN117210716A (en) * 2023-10-10 2023-12-12 西安华力装备科技有限公司 Copper alloy wire for arc additive manufacturing and preparation method thereof

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CN109593989A (en) * 2017-10-03 2019-04-09 Ｊｘ金属株式会社 Cu-Ni-Sn series copper alloy foil, the camera model for stretching copper product, electronic equipment part and auto-focusing
CN110629070A (en) * 2019-10-30 2019-12-31 江阴华瑞电工科技股份有限公司 Preparation method of high-elasticity, corrosion-resistant and wear-resistant Cu-Ni-Sn alloy
CN110777280A (en) * 2019-11-28 2020-02-11 安徽实友电力金具有限公司 Copper-nickel-tin alloy for socket and preparation method thereof
CN110964942B (en) * 2019-12-19 2021-07-30 江苏隆达超合金股份有限公司 Preparation process of high-strength wear-resistant copper alloy pipe
CN110964943A (en) * 2019-12-19 2020-04-07 无锡隆达金属材料有限公司 Method for producing high-strength copper alloy by adopting semi-continuous casting
CN111020284A (en) * 2019-12-19 2020-04-17 无锡隆达金属材料有限公司 Preparation method of high-strength wear-resistant copper alloy pipe
CN111020284B (en) * 2019-12-19 2021-10-29 江苏隆达超合金股份有限公司 Preparation method of high-strength wear-resistant copper alloy pipe
CN110964942A (en) * 2019-12-19 2020-04-07 无锡隆达金属材料有限公司 Preparation process of high-strength wear-resistant copper alloy pipe
EP4067520A1 (en) * 2021-03-31 2022-10-05 NGK Insulators, Ltd. Copper alloy and method for producing same
CN113351879A (en) * 2021-05-27 2021-09-07 北京科技大学 Preparation method for cold deformation and heat treatment reinforced additive manufacturing of Cu-Ni-Sn alloy
CN113789459B (en) * 2021-09-02 2022-07-12 宁波博威合金材料股份有限公司 Copper-nickel-tin alloy and preparation method and application thereof
CN113789459A (en) * 2021-09-02 2021-12-14 宁波博威合金材料股份有限公司 Copper-nickel-tin alloy and preparation method and application thereof
CN113755716A (en) * 2021-09-07 2021-12-07 大连理工大学 High-performance copper-nickel-tin alloy and preparation method thereof
CN114086027A (en) * 2021-11-25 2022-02-25 江西理工大学 High-temperature softening resistant Cu-Ni-Sn series high-strength high-elasticity copper alloy and preparation method thereof
CN114507794A (en) * 2022-02-11 2022-05-17 无锡日月合金材料有限公司 Copper-nickel-tin alloy material for high-elasticity element and preparation method thereof
CN114561568A (en) * 2022-02-23 2022-05-31 山西尼尔耐特机电技术有限公司 Component design of high-performance copper-nickel-tin-molybdenum alloy, and preparation method and application thereof
CN115710656A (en) * 2022-09-20 2023-02-24 宁波兴业鑫泰新型电子材料有限公司 High-strength high-elasticity high-wear-resistance Cu-Ni-Sn alloy and preparation method thereof
CN115710656B (en) * 2022-09-20 2024-01-30 宁波兴业鑫泰新型电子材料有限公司 High-strength high-elasticity high-wear-resistance Cu-Ni-Sn 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
WO2023165187A1 (en) * 2022-11-23 2023-09-07 河南科技大学 Multi-element cu-ni-sn-based alloy for oil and gas exploitation and preparation method therefor
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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CN116287856A (en) * 2023-02-23 2023-06-23 昆明理工大学 High-strength high-elasticity quaternary copper-nickel-tin-chromium alloy and preparation method thereof
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