CN105821238B - A kind of Cu alloy material and preparation method thereof - Google Patents
A kind of Cu alloy material and preparation method thereof Download PDFInfo
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- CN105821238B CN105821238B CN201610379828.1A CN201610379828A CN105821238B CN 105821238 B CN105821238 B CN 105821238B CN 201610379828 A CN201610379828 A CN 201610379828A CN 105821238 B CN105821238 B CN 105821238B
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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
- C22C9/01—Alloys based on copper with aluminium 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
- C22C1/02—Making non-ferrous alloys by melting
Abstract
The invention provides a kind of Cu alloy material, include the component of following parts by weight：70 85 parts of copper, 10 15 parts of aluminium, 12 parts of nickel, 0.05 0.15 parts of tin, 0.1 0.4 parts of titanium, 0.1 0.3 parts of silicon, 0.07 0.2 parts of chromium, 0.015 0.02 parts of tungsten, 0.01 0.04 parts of 0.12 0.25 parts of magnesium, 0.2 0.6 parts of manganese, 0.01 0.04 parts of cobalt, 0.001 0.003 parts of phosphorus and lanthanide series rare-earth elements；The preparation process of the Cu alloy material includes：Melting, cooling and cooling.There is the alloy material of the present invention high intensity, high conductivity, strong bend resistance ability and high-fire resistance, wherein tensile strength to reach as high as 689.25MPa；Conductance is up to 83.79%IACS.Alloy surface prepared by the present invention is smooth without obvious crackle, surface.
Description
Technical field
The invention belongs to field of alloy material, and in particular to a kind of Cu alloy material and preparation method thereof.
Background technology
Alloy be as two or more metal and metal or it is nonmetallic through certain method synthesized by there is metal
The material of characteristic.According to the number of component, bianry alloy, ternary alloy three-partalloy and multicomponent alloy can be divided into.With society and work
The development of industry, very high requirement is proposed to the performance of material, such as higher intensity, high temperature resistance, high pressure, low temperature, it is corrosion-resistant,
Abrasion and other specific physicals, the requirement of chemical property；Alloy is also what is be found everywhere in life, it is sufficient to illustrates alloy
Importance, wherein copper alloy are primarily used to the fields such as electrical field, tubing or valve.Alloy property in the market compared with
Difference, low production efficiency, production cost are higher.
Chinese patent CN 105118543A denomination of invention is " a kind of Cu alloy material ", the composition of the Cu alloy material
For nickel, lithium, tellurium, silicon, copper, phosphorus, tin, manganese, magnesium and lanthanide rare metal, the tensile strength of the Cu alloy material, fracture resistance compared with
It is low, poor processability, it is also easy to produce crackle；Chinese patent CN 104882198A denomination of invention is " copper alloy wire ", and the copper closes
The constituent of golden wire is copper >=94.7036%, tin >=0.2%, nickel≤0.00038%, iron≤0.000475%, antimony≤
0.00095%, zinc≤0.00019%, oxygen≤0.0057%, manganese≤0.000475%, phosphorus≤0.000475%, bismuth≤
0.0019%, arsenic≤0.000475%, gold≤0.000475%, electrosilvering ＞ 5%, improve copper alloy wire pliability and
Ductility, but contain arsenic in forming, there is severe toxicity, the health of operative employee is influenceed during preparation.
The content of the invention
A kind of good-extensibility, impact resistance are provided it is an object of the invention to overcome above-mentioned deficiency of the prior art
By force, toughness is high, conductance is high, processing characteristics is good and the Cu alloy material of small toxicity.
Another object of the present invention also resides in the preparation method of above-mentioned Cu alloy material.
In order to solve the above technical problems, the concrete technical scheme that the present invention takes is：
A kind of Cu alloy material, include the component of following parts by weight：Copper 70-85 parts, aluminium 10-15 parts, nickel 1-2 parts, tin
0.05-0.15 parts, titanium 0.1-0.4 parts, silicon 0.1-0.3 parts, chromium 0.07-0.2 parts, tungsten 0.015-0.02 parts, magnesium 0.12-0.25
Part, manganese 0.2-0.6 parts, cobalt 0.01-0.04 parts, phosphorus 0.001-0.003 parts and lanthanide series rare-earth elements 0.01-0.04 parts.
Preferably, the component of following parts by weight is included：Copper 73-79 parts, aluminium 10-11 parts, nickel 1-1.5 parts, tin 0.05-0.09
Part, titanium 0.2-0.3 parts, silicon 0.15-0.2 parts, chromium 0.1-0.15 parts, tungsten 0.015-0.018 parts, magnesium 0.15-0.2 parts, manganese 0.25-
0.35 part, cobalt 0.02-0.03 parts, phosphorus 0.0015-0.0025 parts and lanthanide series rare-earth elements 0.02-0.03 parts.
Preferably, described lanthanide series rare-earth elements are the one or more in dysprosium, lanthanum, cerium or praseodymium.
A kind of preparation method of Cu alloy material, comprises the following steps：
(1) melting：Raw material is weighed according to the parts by weight of above-mentioned Cu alloy material, and all raw materials are put into smelting furnace
Interior, stirring, melting in-furnace temperature is 800-890 DEG C, melting 2-2.5h；
(2) smelting furnace is made to be continuously heating to 1100-1250 DEG C, melting 1-1.5h；
(3) smelting furnace is cooled with 20-30 DEG C/min speed, to smelting furnace in temperature be 690-700 DEG C, stirring,
Continue melting 0.5-1h；
(4) continue to be cooled to room temperature, obtain Cu alloy material.
Preferably, melting in-furnace temperature described in step (1) is 820 DEG C.
Preferably, smelting furnace is continuously heating to 1135 DEG C described in step (2).
Preferably, the temperature described in step (3) in smelting furnace is 695 DEG C.
Preferably, the speed to cool described in step (4) is 35-50 DEG C/min.
Beneficial effects of the present invention：
On the one hand the magnesium and silicon that the present invention adds play a part of solution strengthening during melting, hence it is evident that improve copper and close
The tensile strength and yield strength of gold, on the other hand form Mg again2Si phases, copper alloy is set to show excellent mechanical property；
Phosphorus acts not only as the deoxidier during smelting copper alloy, can also improve the mobility of copper alloy melt, improves copper and closes
Weldability, corrosion resistance and the softening resistance of gold；Nickel and tin form continuous solid solution in fusion process with copper, have broad
Monophase field, so as to improve the mechanical performance of copper alloy and decay resistance, alloy surface can be avoided to crack in addition, but
But the electric conductivity of copper alloy is reduced；The addition of nickel, silicon etc. reduces the electric conductivity of copper alloy, is closed by adding chromium to improve copper
The electric conductivity of gold, chromium can also increase the surface flatness of copper alloy；Tungsten does not dissolve in copper in fusion process, and it is as crystallization
Core can be with crystal grain thinning, and passes through the recrystallization process in preparation process, hence it is evident that improves the heat resistance of copper alloy；Manganese with
Copper can dissolve each other in fusion process, can simultaneously serve as the deoxidier of copper, improve the intensity and corrosion resistance of copper；Lanthanide rare
Element is practically insoluble in copper, plays a part of in fusion process rotten and purifies, and can form high-melting-point with low-melting impurities
Compound, disappear deimpurity illeffects, improves the moulding of copper alloy, avoids copper alloy cracked in process, separately
On the one hand the quantity of solute atoms in alloy lattice can be reduced, improves conductive capability, Vickers hardness and the anti-impact of copper alloy
Hit toughness；Titanium has the characteristics of in light weight, intensity is high, chemical property is stable, and titanium can improve the heat endurance of copper alloy；Cobalt exists
Other metal grains are combined together in Cu alloy material, make copper alloy that there is higher toughness, while reduce copper alloy
To the sensitiveness of impact.
The preparation process of Cu alloy material of the present invention includes：Melting, cooling and cooling.Because each raw material in alloy fusing point not
Together, during mixed smelting, mutually influenceed, thus taken different smelting temperatures, finally obtained high performance alloy material.
The alloy material of the present invention has high intensity, high conductivity, bend resistance ability by force and high-fire resistance, wherein tension are strong
Degree reaches as high as 689.25MPa；Conductance is up to 83.79%IACS；The alloy surface prepared using the preparation method of the present invention
Without obvious crackle, surface is smooth, and processing characteristics is good.
Embodiment
The present invention is expanded on further with reference to specific embodiment：
Embodiment 1
A kind of Cu alloy material, include the component of following parts by weight：70 parts of copper, 10 parts of aluminium, 1 part of nickel, 0.05 part of tin, titanium
0.1 part, 0.1 part of silicon, 0.07 part of chromium, 0.015 part of tungsten, 0.12 part of magnesium, 0.2 part of manganese, 0.01 part of cobalt, 0.001 part of phosphorus and dysprosium 0.01
Part.
A kind of preparation method of Cu alloy material, comprises the following steps：
(1) melting：Raw material is weighed according to the parts by weight of above-mentioned Cu alloy material, and all raw materials are put into smelting furnace
Interior, stirring, melting in-furnace temperature is 800 DEG C, melting 2.5h；
(2) smelting furnace is made to be continuously heating to 1100 DEG C, melting 1.5h；
(3) smelting furnace is cooled with 20 DEG C/min speed, be cooled to 690 DEG C, stirring, continue melting 0.5h；
(4) continue to be cooled to room temperature with 35 DEG C/min speed, obtain Cu alloy material.
Embodiment 2
A kind of Cu alloy material, include the component of following parts by weight：85 parts of copper, 15 parts of aluminium, 2 parts of nickel, 0.15 part of tin, titanium
0.4 part, 0.3 part of silicon, 0.2 part of chromium, 0.02 part of tungsten, 0.25 part of magnesium, 0.6 part of manganese, 0.04 part of cobalt, 0.003 part of phosphorus, 0.01 part of dysprosium and
0.02 part of lanthanum.
A kind of preparation method of Cu alloy material, comprises the following steps：
(1) melting：Raw material is weighed according to the parts by weight of above-mentioned Cu alloy material, and all raw materials are put into smelting furnace
Interior, stirring, melting in-furnace temperature is 890 DEG C, melting 2h；
(2) smelting furnace is made to be continuously heating to 1250 DEG C, melting 1h；
(3) smelting furnace is cooled with 30 DEG C/min speed, be cooled to 700 DEG C, stirring, continue melting 0.5h；
(4) continue to be cooled to room temperature with 50 DEG C/min speed, obtain Cu alloy material.
Embodiment 3
A kind of Cu alloy material, include the component of following parts by weight：75 parts of copper, 12 parts of aluminium, 1.5 parts of nickel, 0.09 part of tin, titanium
0.2 part, 0.2 part of silicon, 0.1 part of chromium, 0.017 part of tungsten, 0.2 part of magnesium, 0.4 part of manganese, 0.03 part of cobalt, 0.002 part of phosphorus, 0.03 part of cerium and
0.002 part of zinc.
A kind of preparation method of Cu alloy material, comprises the following steps：
(1) melting：Raw material is weighed according to the parts by weight of above-mentioned Cu alloy material, and all raw materials are put into smelting furnace
Interior, stirring, melting in-furnace temperature is 850 DEG C, melting 2.2h；
(2) smelting furnace is made to be continuously heating to 1120 DEG C, melting 1.2h；
(3) smelting furnace is cooled with 25 DEG C/min speed, be cooled to 695 DEG C, stirring, continue melting 0.7h；
(4) continue to be cooled to room temperature with 40 DEG C/min speed, obtain Cu alloy material.
Solid solubility of the zinc in copper alloy is very big, has the function that solution strengthening, on the one hand the present embodiment is by adding zinc
The wearability of alloy material can be further improved, corrosion resistance, so as to improve the service life of alloy material, is on the other hand increased
The recovery and remelting of Cu alloy material are added.
Embodiment 4
A kind of Cu alloy material, include the component of following parts by weight：81 parts of copper, 14 parts of aluminium, 1.6 parts of nickel, 0.12 part of tin, titanium
0.3 part, 0.15 part of silicon, 0.15 part of chromium, 0.019 part of tungsten, 0.18 part of magnesium, 0.5 part of manganese, 0.02 part of cobalt, 0.0015 part of phosphorus and praseodymium
0.04 part.
A kind of preparation method of Cu alloy material, comprises the following steps：
(1) melting：Raw material is weighed according to the parts by weight of above-mentioned Cu alloy material, and all material are put into smelting furnace
Interior, stirring, melting in-furnace temperature is 860 DEG C, melting 2.3h；
(2) smelting furnace is made to be continuously heating to 1140 DEG C, melting 1.3h；
(3) smelting furnace is cooled with 28 DEG C/min speed, be cooled to 696 DEG C, stirring, continue melting 0.8h；
(4) continue to be cooled to room temperature with 45 DEG C/min speed, obtain Cu alloy material.
Embodiment 5
A kind of Cu alloy material, include the component of following parts by weight：78 parts of copper, 11 parts of aluminium, 1.2 parts of nickel, 0.1 part of tin, titanium
0.15 part, 0.25 part of silicon, 0.09 part of chromium, 0.016 part of tungsten, 0.15 part of magnesium, 0.3 part of manganese, 0.015 part of cobalt, 0.001 part of phosphorus, dysprosium
0.01 part, 0.01 part of 0.02 part of lanthanum and praseodymium.
A kind of preparation method of Cu alloy material, comprises the following steps：
(1) melting：Raw material is weighed according to the parts by weight of above-mentioned Cu alloy material, and all raw materials are put into smelting furnace
Interior, stirring, melting in-furnace temperature is 830 DEG C, melting 2h；
(2) smelting furnace is made to be continuously heating to 1110 DEG C, melting 1h；
(3) smelting furnace is cooled with 25 DEG C/min speed, be cooled to 700 DEG C, stirring, continue melting 0.7h；
(4) continue to be cooled to room temperature with 45 DEG C/min speed, obtain Cu alloy material.
Embodiment 6
A kind of Cu alloy material, include the component of following parts by weight：70 parts of copper, 13 parts of aluminium, 1.5 parts of nickel, 0.12 part of tin, titanium
0.25 part, 0.1 part of silicon, 0.15 part of chromium, 0.018 part of tungsten, 0.17 part of magnesium, 0.025 part of cobalt, 0.25 part of manganese, 0.0015 part of phosphorus, lanthanum
0.01 part, 0.01 part of 0.01 part of cerium and praseodymium.
A kind of preparation method of Cu alloy material, comprises the following steps：
(1) melting：Raw material is weighed according to the parts by weight of above-mentioned Cu alloy material, and all raw materials are put into smelting furnace
Interior, stirring, melting in-furnace temperature is 840 DEG C, melting 2h；
(2) smelting furnace is made to be continuously heating to 1130 DEG C, melting 1h；
(3) smelting furnace is cooled with 25 DEG C/min speed, be cooled to 695 DEG C, stirring, continue melting 0.8h；
(4) continue to be cooled to room temperature with 42 DEG C/min speed, obtain Cu alloy material.
Embodiment 7
A kind of Cu alloy material, include the component of following parts by weight：80 parts of copper, 14 parts of aluminium, 1.1 parts of nickel, 0.06 part of tin, titanium
0.1 part, 0.27 part of silicon, 0.13 part of chromium, 0.015 part of tungsten, 0.23 part of magnesium, 0.25 part of manganese, cobalt 0.02,0.01 part of dysprosium, 0.01 part of lanthanum,
0.015 part of 0.001 part of phosphorus, 0.01 part of cerium, 0.01 part of praseodymium and lead.
A kind of preparation method of Cu alloy material, comprises the following steps：
(1) melting：Raw material is weighed according to the parts by weight of above-mentioned Cu alloy material, and all raw materials are put into smelting furnace
Interior, stirring, melting in-furnace temperature is 850 DEG C, melting 2h；
(2) smelting furnace is made to be continuously heating to 1100 DEG C, melting 1h；
(3) smelting furnace is cooled with 28 DEG C/min speed, be cooled to 697 DEG C, stirring, continue melting 0.8h；
(4) continue to be cooled to room temperature with 46 DEG C/min speed, obtain Cu alloy material.
Lead forms readily soluble eutectic structure in copper alloy with copper, and on the electric conductivity of copper alloy without influence, but on the one hand it can be
The cutting ability of copper alloy can be improved, on the other hand can improve the intensity of copper alloy, hardness, bending durability and anti-corrosion
Property.
Embodiment 8
A kind of Cu alloy material, include the component of following parts by weight：82 parts of copper, 10 parts of aluminium, 1.8 parts of nickel, 0.14 part of tin, titanium
0.35 part, 0.13 part of silicon, 0.08 part of chromium, 0.02 part of tungsten, 0.21 part of magnesium, 0.35 part of manganese, 0.018 part of cobalt, 0.001 part of phosphorus, cerium
0.02 part, 0.0002 part of 0.02 part of praseodymium and boron.
A kind of preparation method of Cu alloy material, comprises the following steps：
(1) melting：Raw material is weighed according to the parts by weight of above-mentioned Cu alloy material, and all raw materials are put into smelting furnace
Interior, stirring, melting in-furnace temperature is 820 DEG C, melting 2h；
(2) smelting furnace is made to be warming up to 1135 DEG C with 30 DEG C/min speed, melting 1h；
(3) smelting furnace is cooled with 25 DEG C/min speed, be cooled to 695 DEG C, stirring, continue melting 0.7h；
(4) continue to be cooled to room temperature with 40 DEG C/min speed, obtain Cu alloy material.
Solid solubility of the boron in copper alloy is little, on the one hand can be used as deoxidier, unnecessary boron can refine crystalline substance
Grain, improves the intensity of Cu alloy material, is on the other hand the excellent coverture in copper alloy in fusion process, avoids aoxidizing,
It can be combined simultaneously with the impurity element in melt and generate dystectic compound, improve the electric conductivity of alloy.
Comparative example 1
A kind of Cu alloy material, include the component of following parts by weight：70 parts of copper, 10 parts of aluminium, 1 part of nickel, 0.05 part of tin, titanium
0.1 part, 0.07 part of chromium, 0.015 part of tungsten, 0.2 part of manganese, 0.01 part of cobalt, 0.01 part of 0.001 part of phosphorus and dysprosium.The preparation of the present embodiment
Process is consistent with embodiment 1.
Comparative example 2
A kind of Cu alloy material, include the component of following parts by weight：85 parts of copper, 15 parts of aluminium, 2 parts of nickel, 0.15 part of tin, titanium
0.4 part, 0.3 part of silicon, 0.02 part of tungsten, 0.25 part of magnesium, 0.6 part of manganese, 0.04 part of cobalt, 0.02 part of 0.003 part of phosphorus and lanthanum.The present embodiment
Preparation process it is consistent with embodiment 2.
Comparative example 3
A kind of Cu alloy material, include the component of following parts by weight：78 parts of copper, 11 parts of aluminium, 1.2 parts of nickel, 0.1 part of tin, titanium
0.15 part, 0.25 part of silicon, 0.09 part of chromium, 0.016 part of tungsten, 0.15 part of magnesium, 0.3 part of manganese, 0.015 part of cobalt, 0.001 part of phosphorus.It is made
Standby process is consistent with embodiment 5.
Embodiment 1-8 and comparative example 1-3 the performance test results are shown in Table 1：
The embodiment 1-8 of table 1 and comparative example 1-3 the performance test results
From table 1 it follows that the copper alloy of embodiment 1-8 preparation has high intensity and toughness, tensile strength is most
High reachable 689.25MPa；Good electric conductivity, conductance is up to 84.98%IACS；Bend resistance ability is strong；Comparative example 1 and reality
Example 1 is applied compared to silicon and magnesium is lacked, its tensile strength reduces；Comparative example 2 lacks chromium compared with Example 2, and its electric conductivity is obvious
Reduce；Comparative example 3 lacks lanthanide series rare-earth elements compared with Example 5, and its electric conductivity reduces, and tensile strength reduces.
The alloy surface prepared using embodiment 1-8 preparation method is smooth without obvious crackle, surface.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, this area is common
Other modifications or equivalent substitution that technical staff is made to technical scheme, without departing from technical solution of the present invention
Spirit and scope, all should cover among scope of the presently claimed invention.
Claims (7)
1. a kind of Cu alloy material, it is characterised in that include the component of following parts by weight：Copper 70-85 parts, aluminium 10-15 parts, nickel 1-
2 parts, tin 0.05-0.15 parts, titanium 0.1-0.4 parts, silicon 0.1-0.3 parts, chromium 0.07-0.2 parts, tungsten 0.015-0.02 parts, magnesium 0.12-
0.25 part, manganese 0.2-0.6 parts, cobalt 0.01-0.04 parts, phosphorus 0.001-0.003 parts and lanthanide series rare-earth elements 0.01-0.04 parts；
A kind of preparation method of described Cu alloy material, comprises the following steps：
(1) melting：Raw material is weighed according to a kind of parts by weight of described Cu alloy material, and all raw materials are put into smelting furnace
Interior, stirring, melting in-furnace temperature is 800-890 DEG C, melting 2-2.5h；
(2) smelting furnace is made to be continuously heating to 1100-1250 DEG C, melting 1-1.5h；
(3) smelting furnace is cooled with 20-30 DEG C/min speed, to smelting furnace in temperature be 690-700 DEG C, stir, continue
Melting 0.5-1h；
(4) continue to be cooled to room temperature, obtain Cu alloy material.
2. a kind of Cu alloy material as claimed in claim 1, it is characterised in that include the component of following parts by weight：Copper 73-79
Part, aluminium 10-11 parts, nickel 1-1.5 parts, tin 0.05-0.09 parts, titanium 0.2-0.3 parts, silicon 0.15-0.2 parts, chromium 0.1-0.15 parts, tungsten
0.015-0.018 parts, magnesium 0.15-0.2 parts, manganese 0.25-0.35 parts, cobalt 0.02-0.03 parts, phosphorus 0.0015-0.0025 parts and lanthanum
Series rare earth element 0.02-0.03 parts.
A kind of 3. Cu alloy material as claimed in claim 1 or 2, it is characterised in that described lanthanide series rare-earth elements be dysprosium,
One or more in lanthanum, cerium or praseodymium.
4. a kind of Cu alloy material as claimed in claim 1, it is characterised in that melting in-furnace temperature is described in step (1)
820℃。
5. a kind of Cu alloy material as claimed in claim 1, it is characterised in that smelting furnace continues to heat up described in step (2)
To 1135 DEG C.
A kind of 6. Cu alloy material as claimed in claim 1, it is characterised in that the temperature described in step (3) in smelting furnace
For 695 DEG C.
7. a kind of Cu alloy material as claimed in claim 1, it is characterised in that the speed to cool described in step (4) is 35-
50℃/min。
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| CN114318047A (en) * | 2021-12-03 | 2022-04-12 | 深圳市帝兴晶科技有限公司 | Superconductive copper and production method thereof |
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| JP4440313B2 (en) * | 2008-03-31 | 2010-03-24 | 日鉱金属株式会社 | Cu-Ni-Si-Co-Cr alloy for electronic materials |
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