CN106868337A - A kind of low-resistivity, silicomanganese nickel alloy wire of high-ductility and its preparation method and application - Google Patents
A kind of low-resistivity, silicomanganese nickel alloy wire of high-ductility and its preparation method and application Download PDFInfo
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- CN106868337A CN106868337A CN201710196457.8A CN201710196457A CN106868337A CN 106868337 A CN106868337 A CN 106868337A CN 201710196457 A CN201710196457 A CN 201710196457A CN 106868337 A CN106868337 A CN 106868337A
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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
- C22C9/10—Alloys based on copper with silicon as the next major constituent
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- 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
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- 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
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
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- 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
Abstract
The invention discloses a kind of low-resistivity, the silicomanganese nickel alloy wire of high-ductility and its preparation method and application, belong to non-ferrous alloy field of material technology.Weight percentage, the alloy wire chemical composition is：Si 1.9~2.5%, Mn 0.2~0.7%, Ni 0.2~0.7%, Zn≤0.4%, Sn≤0.2%, Cu is surplus.Preparation process is：(1) raw material prepares and dispensing；(2) vacuum melting；(3) ingot casting forging；(4) hot rolling；(5) cold working and pilot process vacuum annealing；(6) stretch processing and finished products.The resistivity of the manganese-nickel wire rod is 0.15 0.17 μ Ω m, Kang La Qiang Du≤260N/mm2, Yan Shen Shuai≤25%.Can be used for electric light source fuse, electronic component or heater strip.
Description
Technical field
The present invention relates to non-ferrous alloy field of material technology, and in particular to a kind of low-resistivity, the silicomanganese of high-ductility
Nickel alloy wire and its preparation method and application (QSi2-0.5-0.5 alloys), the alloy wire is applied to the insurance of Novel electric light source
The industrial products such as silk, electronic component, Novel heating silk.
Background technology
Silicon bronze alloy is mainly used as welding material in the prior art, but because of its product defect of itself, can't conduct
The fuse of Novel electric light source.And traditional fuse material is mostly using leypewter or constantan etc., it is high to there is resistivity,
Overcurrent capability is poor, and temperature-coefficient of electrical resistance is higher and the shortcomings of antisurge poor performance.In addition, the obtained product of the present invention also can use
In heating industry, it is poor to there is folding strength in traditional cupro-nickel heater strip, is not easy to stretch, the defect such as resistivity is uneven.
The content of the invention
It is an object of the invention to provide a kind of low-resistivity, the silicomanganese nickel alloy wire of high-ductility and preparation method thereof and should
With alloy composition stabilization, uniform, excellent performance are applicable wider.
The technical solution adopted in the present invention is as follows：
A kind of silicomanganese nickel alloy wire of low-resistivity, high-ductility, weight percentage, the alloy wire chemistry into
It is divided into：Si 1.9~2.5%, Mn 0.2~0.7%, Ni 0.2~0.7%, Zn≤0.4%, Sn≤0.2%, Cu is surplus；
The preferred chemical composition of silicomanganese nickel alloy wire is：Si 2.0~2.3%, Mn 0.2~0.7%, Ni 0.25~0.5%,
Zn 0.15~0.4%, Sn 0.1~0.2%, Cu are surplus.
In the chemical composition of the alloy wire, the part by weight of Si and Mn is (3.6-5.8)：The part by weight of 1, Ni and Mn
It is (0.45-1.25)：1.
The resistivity of the silicomanganese nickel alloy wire is 0.15-0.17 μ Ω m, and specification is Ф 0.18-0.21, line footpath tolerance
≤0.002mm。
The mechanical property of the silicomanganese nickel alloy wire is：Tensile strength >=260N/mm2, elongation percentage >=25%.
The preparation method of the low-resistivity, the silicomanganese nickel alloy wire of high-ductility, comprises the following steps：
(1) raw material prepare and dispensing：
With simple metal Zn, Sn, Si, electrolytic manganese, electrolytic nickel and tough cathode as raw material, by each raw material press needed for alloy into
Divide and weighed；Before being weighed to raw material, tough cathode is with electrolytic nickel surface successively through pickling, washing and drying and processing, it is ensured that former
Material is cleaned；In the acid cleaning process：Tough cathode uses the sulfuric acid cleaned of concentration 30vol.%, and electrolytic nickel uses concentration
The nitric acid cleaning of 40vol.%；
(2) vacuum melting：
Vacuum Melting：Smelting temperature control at 1100-1200 DEG C, smelting time 30~40 minutes, vacuum≤
2Pa；Fusion process is specific as follows：
Tough cathode, simple metal Si, electrolytic manganese and electrolytic nickel are loaded in crucible, rear power transmission fusing, 1100- are vacuumized in stove
1200 DEG C of meltings 30~40 minutes, then filling with inert gas Ar, adds Zn and Sn, powered after melting 20-30min under inert atmosphere
Casting, obtains alloy cast ingot；
(3) ingot casting forging：
By alloy cast ingot in lathe upper surface car light, the then flat-die forging on 750Kg pneumatic hammers, casting process is：Electricity
Stove heat after soaking time 90-120 minutes, forged after two upsettings two are pulled out to Ф 42~50mm bars to 780-840 DEG C；Then
Car light is to Ф 40~45mm bars.
(4) hot rolling：
Heating by electric cooker temperature is 760-820 DEG C, after being incubated 70-90 minutes, step (3) gained Ф 40~45mm bars is existed
Ф 12-14mm bars are rolling on the pass milling trains of Ф 250 × 350.
(5) cold working and pilot process vacuum annealing：
Ф 12-14mm bars obtained by step (4) are carried out into disk circle, annealing and cold drawing treatment successively, the process 3 is repeated
~5 times, obtain Ф 1.7-2.0mm B alloy wires；Parameter and annealing therein is：Annealing temperature T is 500-550 DEG C, during annealing
Between t be 90-120 minutes；
(6) stretch processing：
After the Ф 1.7-2.0mm B alloy wires that step (5) is obtained carry out drawing process twice on stretching-machine, specification is obtained
It is the silicomanganese nickel alloy wire finished product of Ф 0.18-0.21mm.Wherein：First time drawing process process is：Step (5) is obtained
Ф 1.7-2.0mm B alloy wires are pulled to Ф 0.75-0.85mm specifications in stretching-machine, are then moved back using continuous hydrogen annealing furnace
Fire treatment, in annealing process：Furnace temperature is 600-650 DEG C, and take-up power traction takes 15-18 ms/min of speed, is closed after annealing
Spun gold elongation percentage >=25%；Second drawing process process be：By Ф 0.75-0.85mm wire drawings to Ф 0.18-0.21 lines
Material, is made annealing treatment, in annealing process after drawing using continuous hydrogen annealing furnace：Furnace temperature is 550-650 DEG C, admission machine
Draw and take 15-20 ms/min of speed, the wire rod finished product of elongation percentage >=25% is obtained after annealing.
In step (6), different size finished product takes corresponding drawing and annealing, every time working modulus in drawing process
It is 13%-15%.
Above-mentioned silicomanganese nickel alloy wire prepared by the present invention can be applied to electric light source fuse, electronic component or heating
Silk.
The present invention has advantages below and beneficial effect：
1st, the present invention, by adding appropriate nickel element, effectively improves the intensity of product in traditional silicon bronze alloy, improves
The mechanical performance of product, product folding strength is high, and product tensile strength, elongation control are uniform, and it is blue or green to improve original silicon
The copper alloy easily easily effect of oxidation in atmosphere；
2nd, the present invention improved by smelting technology (control melting vacuum, smelting time and strictly control smelting temperature and
Casting rate etc.), stretching work (control general working rate and pass reduction, especially finished product working modulus and new lubricant and mould
Tool precision etc.) and annealing process (strictly control annealing temperature, speed) optimization, prepared alloy wire product line footpath tolerance is
0.002mm, high precision.
3rd, wire product of the present invention is used for Novel electric light source fuse etc., and its resistivity is low to be had compared with constantan and significantly change
It is kind.
4th, the μ Ω m of resistivity 0.16 ± 0.01 of product of the present invention, alternative existing cupro-nickel heating B alloy wire, and have
Uniform resistivity stabilization, easily stretchable, the advantages of folding strength is high, the product price is low, with wide market prospects.
Specific embodiment
Further illustrate the present invention with reference to embodiments.
The present invention provides a kind of silicomanganese nickel alloy wire, and its preparation process is followed successively by：(1) raw material prepares and dispensing；(2) it is true
Empty melting；(3) ingot casting forging；(4) hot rolling；(5) cold working and pilot process vacuum annealing；(6) stretch processing and anneal；(7)
Product inspection；(8) packaging and storage, dispatches from the factory.
Embodiment 1：
The chemical composition of silicomanganese nickel alloy wire is (wt.%) in the present embodiment：Si=2.1%, Mn=0.5%, Ni=
0.41%, Zn=0.15%, Sn=0.12%, Cu surplus.
The preparation process of silicomanganese nickel alloy wire is as follows in the present embodiment：
(1) raw material prepare and dispensing：
With simple metal Zn, Sn, Si (purity >=99.95%), electrolytic manganese (purity >=99.7), electrolytic nickel and tough cathode (Cu-
CATH-2 it is) raw material, each raw material cleaning is ensured before weighing, wherein, tough cathode (Cu-CATH-2) first uses concentration
The sulfuric acid cleaned of 30vol.%, electrolytic nickel surface is cleaned with the nitric acid of concentration 40vol.%, tough cathode and electrolytic nickel after cleaning
Washed again and drying and processing, it is ensured that raw material are cleaned；Alloying component needed for each raw material after by cleaning treatment is matched somebody with somebody
Than weighing；
(2) vacuum melting：
Vacuum Melting：Smelting temperature is controlled in 1100-1200 DEG C, smelting time 30~40 minutes, vacuum≤2Pa
(i.e. 1.5 × 10-2mmHg)；Vacuum melting device therefor：ZG-0.025 vacuum induction furnaces, fusion process is specific as follows：
Tough cathode, simple metal Si, electrolytic manganese and electrolytic nickel are loaded in crucible, rear power transmission fusing, 1100- are vacuumized in stove
1200 DEG C of meltings 30~40 minutes, then filling with inert gas Ar, adds Zn and Sn, powered after melting 20-30min under inert atmosphere
Casting, obtains alloy cast ingot；This is fused technique parameter etc. is dividedly in some parts and fused by raw material and optimized, and is improved in ingot casting
The problems such as portion's quality, inner inclusion, stomata, meet the requirement of product quality.
(3) ingot casting forging：
By alloy cast ingot in CA6140 lathes upper surface car light, the then flat-die forging on 750Kg pneumatic hammers, casting process
For：Heating by electric cooker after soaking time 90-120 minutes, forged after two upsettings two are pulled out to Ф 42~50mm bars to 780-840 DEG C；
Then car light is to Ф 40~45mm bars.
(4) hot rolling：
Heating by electric cooker temperature is 760-820 DEG C, after being incubated 70-90 minutes, step (3) gained Ф 40~45mm bars is existed
Ф 13mm bars are rolling on the pass milling trains of Ф 250 × 350.
(5) cold working and pilot process vacuum annealing：
Ф 13mm bars obtained by step (4) are carried out into disk circle, annealing and cold drawing treatment successively, the process 3~5 is repeated
It is secondary, obtain Ф 1.8mm B alloy wires；Device therefor is LS-20 tons of zip mode drawbench, 1/560,1/350,1/250 in the step
Upright stretching machine；Pit type annealing furnaces of Ф 800 etc., parameter and annealing therein is：Annealing temperature T is 500-550 DEG C, is moved back
Fiery time t is 90-120 minutes；
(6) stretch processing：
After the Ф 1.8mm B alloy wires that step (5) is obtained carry out drawing process twice on stretching-machine, acquisition specification is Ф
The silicomanganese nickel alloy wire finished product of 0.20mm.
First time drawing process process is：The Ф 1.8mm B alloy wires that step (5) is obtained are pulled to Ф in stretching-machine
0.8mm specifications, are then made annealing treatment, in annealing process using continuous hydrogen annealing furnace：Furnace temperature is 600-650 DEG C,
Take-up power traction takes 15-18 ms/min of speed, B alloy wire elongation percentage >=25% after annealing；Second drawing process process be：
By Ф 0.8mm wire drawings to Ф 0.20mm wire rods, made annealing treatment using continuous hydrogen annealing furnace after drawing, made annealing treatment
During：Furnace temperature is 550-650 DEG C, and take-up power traction takes 15-20 ms/min of speed, and elongation percentage >=25% is obtained after annealing
Wire rod finished product.Every time working modulus is 13%-15% in drawing process.
(7) end properties test-based examination and packaging and storage, dispatch from the factory.
Ф 0.20mm alloy wires manufactured in the present embodiment, after tested, tensile strength is 275~278N/mm2, elongation percentage
It is 32~35%, line footpath tolerance≤0.002mm, and the alloy has good welding performance and folding resistance, resistivity is 0.162
~0.1635 μ Ω m.
Embodiment 2：
Difference from Example 1 is：
The chemical composition of the present embodiment silicomanganese nickel alloy wire is (wt.%)：Si=2.21%, Mn=0.0.45%, Ni
=0.42%, Zn=0.2%, Sn=0.15%, Cu surplus.The final Ф 0.20mm alloy wires for preparing, after tested, tension is strong
It is 276~285N/mm to spend2, elongation percentage is 31.3~34.2%, line footpath tolerance≤0.002mm, and the alloy has good weldering
Performance and folding resistance are connect, resistivity is 0.161~0.163 μ Ω m.
Embodiment 3：
Difference from Example 1 is：
The chemical composition of the present embodiment silicomanganese nickel alloy wire is (wt.%)：Si=2.15%, Mn=0.4%, Ni=
0.35%, Zn=0.25%, Sn=0.15%, Cu surplus.The final Ф 0.20mm alloy wires for preparing, after tested, tension is strong
It is 278~289N/mm to spend2, elongation percentage is 31.8~33.8%, line footpath tolerance≤0.002mm, and the alloy has good weldering
Performance and folding resistance are connect, resistivity is 0.161~0.162 μ Ω m.
Embodiment 4：
Difference from Example 1 is：
The chemical composition of the present embodiment silicomanganese nickel alloy wire is (wt.%)：Si=2.26%, Mn=0.52%, Ni=
0.32%, Zn=0.32%, Sn=0.1%, Cu surplus.The final Ф 0.20mm alloy wires for preparing, after tested, tensile strength
It is 280~285N/mm2, elongation percentage is 30.2~33.2%, line footpath tolerance≤0.002mm, and the alloy has good welding
Performance and folding resistance, resistivity are 0.160~0.162 μ Ω m.
Embodiment 5：
Difference from Example 1 is：
The chemical composition of the present embodiment silicomanganese nickel alloy wire is (wt.%)：Si=2.25%, Mn=0.5%, Ni=
0.28%, Zn=0.35%, Sn=0.14%, Cu surplus.The final Ф 0.20mm alloy wires for preparing, after tested, tension is strong
It is 285~295N/mm to spend2, elongation percentage is 28.5~32.3%, line footpath tolerance≤0.002mm, and the alloy has good weldering
Performance and folding resistance are connect, resistivity is 0.1602~0.1615 μ Ω m.
Embodiment 6：
Difference from Example 1 is：
The chemical composition of the present embodiment silicomanganese nickel alloy wire is (wt.%)：Si=2.3%, Mn=0.5%, Ni=
0.25%, Zn=0.32%, Sn=0.17%, Cu surplus.The final Ф 0.20mm alloy wires for preparing, after tested, tension is strong
It is 285~298N/mm to spend2, elongation percentage is 27.8~32%, line footpath tolerance≤0.002mm, and the alloy has good welding
Performance and folding resistance, resistivity are 0.1597~0.161 μ Ω m.
Embodiment 7：
Difference from Example 1 is：
The chemical composition of the present embodiment silicomanganese nickel alloy wire is (wt.%)：Si=2.20%, Mn=0.5%, Ni=
0.5%, Zn=0.4%, Sn=0.2%, Cu surplus.Line footpath tolerance≤0.002mm, the final Ф 0.20mm alloy wires for preparing
Material, after tested, tensile strength is 280~305N/mm2, elongation percentage is 26~30.1%, and the alloy has good weldability
Energy and folding resistance, resistivity are 0.1596~0.160 μ Ω m.
The purpose of the above embodiment of the present invention is the substantive characteristic that content for a better understanding of the present invention is embodied, but
The cited case is not construed as limiting the scope of the invention.
Claims (10)
1. the silicomanganese nickel alloy wire of a kind of low-resistivity, high-ductility, it is characterised in that：Weight percentage, the alloy
Wire rod chemical composition is：Si 1.9~2.5%, Mn 0.2~0.7%, Ni 0.2~0.7%, Zn≤0.4%, Sn≤0.2%,
Cu is surplus.
2. the silicomanganese nickel alloy wire of low-resistivity according to claim 1, high-ductility, it is characterised in that：By weight hundred
Divide content meter, the chemical composition of the alloy wire is：
Si 2.0~2.3%, Mn 0.2~0.7%, Ni 0.25~0.5%, Zn 0.15~0.4%, Sn 0.1~0.2%,
Cu is surplus.
3. the silicomanganese nickel alloy wire of low-resistivity according to claim 1 and 2, high-ductility, it is characterised in that：The alloy
In the chemical composition of wire rod, the part by weight of Si and Mn is (3.6-5.8)：1, Ni is (0.45-1.25) with the part by weight of Mn：
1。
4. the silicomanganese nickel alloy wire of low-resistivity according to claim 1 and 2, high-ductility, it is characterised in that：The silicomanganese
The resistivity of nickel alloy wire is 0.15-0.17 μ Ω m, and specification is Ф 0.18-0.21mm, line footpath tolerance≤0.002mm.
5. the silicomanganese nickel alloy wire of low-resistivity according to claim 1 and 2, high-ductility, it is characterised in that：The silicomanganese
The mechanical property of nickel alloy wire is：Tensile strength >=260N/mm2, elongation percentage >=25%.
6. low-resistivity according to claim 1 and 2, the preparation method of the silicomanganese nickel alloy wire of high-ductility, its feature
It is：The method comprises the following steps：
(1) raw material prepare and dispensing：
With simple metal Zn, Sn, Si, electrolytic manganese, electrolytic nickel and tough cathode as raw material, each raw material are entered by required alloying component
Row is weighed；
(2) vacuum melting：
Vacuum Melting：Smelting temperature is controlled in 1100-1200 DEG C, smelting time 30~40 minutes, vacuum≤2Pa；It is molten
Refining process is specific as follows：
Tough cathode, simple metal Si, electrolytic manganese and electrolytic nickel are loaded in crucible, rear power transmission fusing, 1100-1200 are vacuumized in stove
DEG C melting 30~40 minutes, then filling with inert gas Ar, adds Zn and Sn, powered after melting 20-30min under inert atmosphere to pour
Casting, obtains alloy cast ingot；
(3) ingot casting forging：
By alloy cast ingot in lathe upper surface car light, the then flat-die forging on 750Kg pneumatic hammers, casting process is：Electric furnace adds
Heat after soaking time 90-120 minutes, forged after two upsettings two are pulled out to Ф 42~50mm bars to 780-840 DEG C；Then car light
To Ф 40~45mm bars.
(4) hot rolling：
Heating by electric cooker temperature is 760-820 DEG C, after being incubated 70-90 minutes, by step (3) gained Ф 40~45mm bars in Ф
Ф 12-14mm bars are rolling on 250 × 350 pass milling trains.
(5) cold working and pilot process vacuum annealing：
Ф 12-14mm bars obtained by step (4) are carried out into disk circle, annealing and cold drawing treatment successively, the process 3~5 is repeated
It is secondary, obtain Ф 1.7-2.0mm B alloy wires；Parameter and annealing therein is：Annealing temperature is 500-550 DEG C, and annealing time is
90-120 minutes；
(6) stretch processing：
After the Ф 1.7-2.0mm B alloy wires that step (5) is obtained carry out drawing process twice on stretching-machine, acquisition specification is Ф
The silicomanganese nickel alloy wire finished product of 0.18-0.21mm.
7. low-resistivity according to claim 6, the preparation method of the silicomanganese nickel alloy wire of high-ductility, its feature exist
In：Before step (1) is weighed to raw material, tough cathode is with electrolytic nickel surface successively through pickling, washing and drying and processing, it is ensured that former material
Material cleaning；In the acid cleaning process：Tough cathode uses the sulfuric acid cleaned of concentration 30vol.%, and electrolytic nickel uses concentration 40vol.%
Nitric acid cleaning.
8. low-resistivity according to claim 6, the preparation method of the silicomanganese nickel alloy wire of high-ductility, its feature exist
In：In step (6), first time drawing process process is：The Ф 1.7-2.0mm B alloy wires that step (5) is obtained are on stretching-machine
Ф 0.75-0.85mm specifications are pulled to, are then made annealing treatment using continuous hydrogen annealing furnace, in annealing process：Furnace temperature
It is 600-650 DEG C, take-up power traction takes 15-18 ms/min of speed, B alloy wire elongation percentage >=25% after annealing；Draw for second
Pulling out processing procedure is：By Ф 0.75-0.85mm wire drawings to Ф 0.18-0.21mm wire rods, moved back using continuous hydrogen after drawing
Stove is made annealing treatment, in annealing process：Furnace temperature is 550-650 DEG C, and take-up power traction takes 15-20 ms/min of speed, moves back
The wire rod finished product of elongation percentage >=25% is obtained after fire treatment.
9. low-resistivity according to claim 8, the preparation method of the silicomanganese nickel alloy wire of high-ductility, its feature exist
In：In step (6), every time working modulus is 13%-15% in drawing process.
10. low-resistivity according to claim 1 and 2, the application of the silicomanganese nickel alloy wire of high-ductility, its feature exists
In：The silicomanganese nickel alloy wire is used for electric light source fuse, electronic component or heater strip.
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| CN109175908A (en) * | 2018-10-19 | 2019-01-11 | 东北大学 | The preparation method of fastener blank heavy-weight coil non junction high-strength aluminum alloy disk circle |
| CN109825739A (en) * | 2019-03-29 | 2019-05-31 | 安徽众源新材料股份有限公司 | A kind of fuse cap copper alloy and production technology |
| CN111424190A (en) * | 2020-05-18 | 2020-07-17 | 新化县和安盛电子科技有限公司 | Metal wire alloy material for precision resistor and preparation method thereof |
| CN113234958A (en) * | 2021-04-25 | 2021-08-10 | 江苏青益金属科技股份有限公司 | Alloy wire suitable for constant-temperature sheath of petroleum delivery pipeline and preparation method thereof |
| CN115404379A (en) * | 2022-08-29 | 2022-11-29 | 江阴电工合金股份有限公司 | Preparation method of high-stability low-conductivity silicon alloy copper |
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| CN109175908A (en) * | 2018-10-19 | 2019-01-11 | 东北大学 | The preparation method of fastener blank heavy-weight coil non junction high-strength aluminum alloy disk circle |
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| CN111424190A (en) * | 2020-05-18 | 2020-07-17 | 新化县和安盛电子科技有限公司 | Metal wire alloy material for precision resistor and preparation method thereof |
| CN113234958A (en) * | 2021-04-25 | 2021-08-10 | 江苏青益金属科技股份有限公司 | Alloy wire suitable for constant-temperature sheath of petroleum delivery pipeline and preparation method thereof |
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