CN103866156A - Copper-based alloy ingot and preparation method thereof as well as prepared copper-based amorphous alloy - Google Patents
Copper-based alloy ingot and preparation method thereof as well as prepared copper-based amorphous alloy Download PDFInfo
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- CN103866156A CN103866156A CN201410133026.3A CN201410133026A CN103866156A CN 103866156 A CN103866156 A CN 103866156A CN 201410133026 A CN201410133026 A CN 201410133026A CN 103866156 A CN103866156 A CN 103866156A
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Abstract
The invention relates to the technical field of alloy ingots, and in particular relates to a copper-based alloy ingot and a preparation method of the copper-based alloy ingot as well as a prepared copper-based amorphous alloy. The copper-based alloy ingot consists of the following components in percentage of atoms: 40-55% of Cu, 25-45% of Ti, 5-15% of Zr and 5-10% of Ni. The copper-based alloy ingot manufactured by using a vacuum sensing melting method is subjected to die-casting in a vacuum environment, the cooling speed expected by over-cooling is met to inhibit a material from crystallization, and the copper-based amorphous alloy with the thickness of 0.5-3mm and good properties can be manufactured.
Description
Technical field
The present invention relates to alloy pig technical field, the cu-based amorphous alloys that is specifically related to copper base alloy ingot and preparation method thereof and makes.
Background technology
Non-crystaline amorphous metal and liquid phase seemingly, are the alloys with irregular atomic structre, so be also referred to as non-crystaline amorphous metal or Amorphous alloy.All ordered arrangement formation crystalline texture of the atom of metal under normal circumstances, but the atomic arrangement of non-crystaline amorphous metal is irregular, and there is no crystalline texture, so there is higher intensity, better elasticity than general metallic substance, and low weight, so when developing originally in the metal industry effect that causes a sensation.Non-crystaline amorphous metal adds the state that can become free forming as plastics after suitable heat, so this non-crystaline amorphous metal manufacture method develops rear just rising to as new Industrial materials.
Cu-based amorphous alloys has the performance of many excellences, as high rigidity, high strength, strong solidity to corrosion etc., is used widely in fields such as aerospace, military project, physical culture, and cu-based amorphous alloys has developed fast development since late 1990s.
Introduced a kind of cu-based amorphous alloys and preparation technology thereof as the Chinese invention patent application that application number is 200510043708.6, this cu-base amorphous alloy contains copper and aluminium, it is characterized in that also containing praseodymium, and the atomic percent of each component is: Cu
50pr
30al
20or Cu
60pr
30al
10.This alloy adopts following technique preparation: first take electrolytic copper, pure praseodymium and commercial-purity aluminium raw material by atomic percent, carry out melting in the vacuum arc fumace in high-purity argon gas protective atmosphere, fusing finishes rear taking-up ingot, and by surperficial polishing; Obtain amorphous thin ribbon by belt-rejecting technology.
And for example, the Chinese invention patent application that application number is 200510046256.7 has been introduced Cu base lump non-crystalline alloy, and this amorphous bulk main component is Cu, Zr, Al and tetra-kinds of elements of Gd.By replacing Cu with Gd element
45zr
47al
7zr element in alloy, the formation size of non-crystaline amorphous metal is increased to 8mm from 3mm, and its preparation method is copper mold teeming practice.
But the cu-based amorphous alloys degree of crystallization that current copper base alloy ingot makes is excessive, cause the finished product cu-based amorphous alloys poor performance.
Summary of the invention
In order to overcome the shortcoming and defect existing in prior art, the object of the present invention is to provide one can make cu-based amorphous alloys degree of crystallization little, copper base alloy ingot that performance is good and preparation method thereof.
Object of the present invention is achieved through the following technical solutions: a kind of copper base alloy ingot, and described copper base alloy ingot is made up of the atom of following atomic percent:
Cu 40-55%
Ti 25-45 %
Zr 5-15%
Ni 5-10%。
Preferably, described copper base alloy ingot is made up of the atom of following atomic percent:
Cu 40-50%
Ti 25-35 %
Zr 5-10%
Ni 5-10%。
Another is preferred, and described copper base alloy ingot is made up of the atom of following atomic percent:
Cu 50-55%
Ti 35-45 %
Zr 5-10%
Ni 5-7%。
Another preferred, described copper base alloy ingot is made up of the atom of following atomic percent:
Cu 45-50%
Ti 30-40 %
Zr 5-10%
Ni 5-10%。
A preparation method for copper base alloy ingot, it comprises the following steps:
Before steps A, melting: in order to maintain the purity of alloy, anti-oxidation, the melter of vacuum high frequency smelting furnace is evacuated to 10
-4the vacuum tightness of torr pours into high-purity argon gas in melter, and the volume of high-purity argon gas accounts for the 20%-30% of whole melter volume;
When step B, melting: Cu metal required copper base alloy ingot, Ti metal, Zr metal and Ni metal are carried out to melting in the melter of vacuum high frequency smelting furnace, minimize in order to reach carbide generation, melt temperature can not exceed 1200 ℃, preferably melt temperature is controlled to 1100 ℃-1200 ℃, the fusion time is 60-90min;
Step C, melting finish: in order to keep glass forming ability and protection ingot mould, will melt soup and be cooled to 900 ℃-950 ℃ in 20-30min, and in order to keep high purity and to dispel smog, then with off-gas pump, melter will be pumped to 10
-1the vacuum tightness of torr;
Step D, the soup that falls: for cooling rapidly, to the 60-80% argon gas that pours into whole cooling room volume in the cooling room of ingot mould, start circulation hot exchange board, then will melt soup and pour in ingot mould through the cooling 30-60min of circulation hot exchange board, obtain copper base alloy ingot.
Before described steps A, also comprise steps A 0, material pre-treatment: Cu metal, Ti metal, Zr metal and Ni metal are cut by oil pressure cutting machine, then with the washing of ultrasonic washing machine.
Described step B will be controlled between 1100 ℃-1200 ℃ by melting diffusion process.
When in described step D, molten soup is poured in ingot mould, need to carry out with the speed of the interior 50kg of pouring into according to 3min.
It is more than 99.9% starting material that described Cu metal, Ti metal, Zr metal, Ni metal all use purity.
A kind of cu-based amorphous alloys, carries out die casting by copper base alloy ingot, obtains the cu-based amorphous alloys that thickness is 0.5mm-3mm.Utilize and under vacuum environment, carry out die casting by the produced copper base alloy ingot of vacuum induction scorification, met cold needed speed of cooling to suppress material crystallization, can produce the cu-based amorphous alloys of minimum thickness 0.5-maximum ga(u)ge 3mm.It should be noted that, copper base alloy ingot is not complete amorphous, and the top layer of copper base alloy ingot is amorphous, and the Inner portion of copper base alloy ingot is crystallization, and the product going out as the die casting of die casting starting material using copper base alloy ingot is only cu-based amorphous alloys.
Beneficial effect of the present invention is: copper base alloy ingot of the present invention is made up of the atom of following atomic percent: Cu40-55%, Ti25-45 %, Zr5-15%, Ni5-10%, utilize and under vacuum environment, carry out die casting by the produced copper base alloy ingot of vacuum induction scorification, met cold needed speed of cooling to suppress material crystallization, can produce thickness is the good cu-based amorphous alloys of performance of 0.5-3mm.
embodiment:
For the ease of those skilled in the art's understanding, below in conjunction with embodiment, the present invention is further illustrated, and the content that embodiment is mentioned not is limitation of the invention.
Embodiment 1.
A kind of copper base alloy ingot, described copper base alloy ingot is made up of the atom of following atomic percent:
Cu 40%
Ti 35%
Zr 15%
Ni 10%。
A preparation method for copper base alloy ingot, it comprises the following steps:
Steps A 0, material pre-treatment: Cu metal, Ti metal, Zr metal and Ni metal are cut by oil pressure cutting machine, then with the washing of ultrasonic washing machine.
Before steps A, melting: the melter of vacuum high frequency smelting furnace is evacuated to 10
-4the vacuum tightness of torr pours into high-purity argon gas in melter, and the volume of high-purity argon gas accounts for 20% of whole melter volume;
When step B, melting: Cu metal required copper base alloy ingot, Ti metal, Zr metal and Ni metal are carried out to melting in the melter of vacuum high frequency smelting furnace, by melting diffusion process, melt temperature is controlled to 1100 ℃, the fusion time is 60min;
Step C, melting finish: in 20min, will melt soup and be cooled to 900 ℃, and then with off-gas pump, melter will be pumped to 10
-1the vacuum tightness of torr;
Step D, the soup that falls: to 60% argon gas that pours into whole cooling room volume in the cooling room of ingot mould, start circulation hot exchange board, then will melt soup and pour in ingot mould through the cooling 30min of circulation hot exchange board, obtain copper base alloy ingot.
Wherein, when in described step D, molten soup is poured in ingot mould, need to carry out with the speed of the interior 50kg of pouring into according to 3min.
Wherein, all to use purity be more than 99.9% starting material for described Cu metal, Ti metal, Zr metal, Ni metal.
A kind of cu-based amorphous alloys, carries out die casting by above-mentioned copper base alloy ingot, obtains the cu-based amorphous alloys that thickness is 0.5mm.
Embodiment 2.
A kind of copper base alloy ingot, described copper base alloy ingot is made up of the atom of following atomic percent:
Cu 45%
Ti 45 %
Zr 5%
Ni 5-%。
A preparation method for copper base alloy ingot, it comprises the following steps:
Steps A 0, material pre-treatment: Cu metal, Ti metal, Zr metal and Ni metal are cut by oil pressure cutting machine, then with the washing of ultrasonic washing machine.
Before steps A, melting: the melter of vacuum high frequency smelting furnace is evacuated to 10
-4the vacuum tightness of torr pours into high-purity argon gas in melter, and the volume of high-purity argon gas accounts for 25% of whole melter volume;
When step B, melting: Cu metal required copper base alloy ingot, Ti metal, Zr metal and Ni metal are carried out to melting in the melter of vacuum high frequency smelting furnace, by melting diffusion process, melt temperature is controlled to 1150 ℃, the fusion time is 75min;
Step C, melting finish: in 25min, will melt soup and be cooled to 950 ℃, and then with off-gas pump, melter will be pumped to 10
-1the vacuum tightness of torr;
Step D, the soup that falls: to 70% argon gas that pours into whole cooling room volume in the cooling room of ingot mould, start circulation hot exchange board, then will melt soup and pour in ingot mould through the cooling 45min of circulation hot exchange board, obtain copper base alloy ingot.
Wherein, when in described step D, molten soup is poured in ingot mould, need to carry out with the speed of the interior 50kg of pouring into according to 3min.
Wherein, all to use purity be more than 99.9% starting material for described Cu metal, Ti metal, Zr metal, Ni metal.
A kind of cu-based amorphous alloys, carries out die casting by above-mentioned copper base alloy ingot, obtains the cu-based amorphous alloys that thickness is 1mm.
Embodiment 3.
A kind of copper base alloy ingot, described copper base alloy ingot is made up of the atom of following atomic percent:
Cu 55%
Ti 25 %
Zr 10%
Ni 10%。
A preparation method for copper base alloy ingot, it comprises the following steps:
Steps A 0, material pre-treatment: Cu metal, Ti metal, Zr metal and Ni metal are cut by oil pressure cutting machine, then with the washing of ultrasonic washing machine.
Before steps A, melting: the melter of vacuum high frequency smelting furnace is evacuated to 10
-4the vacuum tightness of torr pours into high-purity argon gas in melter, and the volume of high-purity argon gas accounts for 26% of whole melter volume;
When step B, melting: Cu metal required copper base alloy ingot, Ti metal, Zr metal and Ni metal are carried out to melting in the melter of vacuum high frequency smelting furnace, by melting diffusion process, melt temperature is controlled to 1200 ℃, the fusion time is 80min;
Step C, melting finish: in 28min, will melt soup and be cooled to 950 ℃, and then with off-gas pump, melter will be pumped to 10
-1the vacuum tightness of torr;
Step D, the soup that falls: to 75% argon gas that pours into whole cooling room volume in the cooling room of ingot mould, start circulation hot exchange board, then will melt soup and pour in ingot mould through the cooling 55min of circulation hot exchange board, obtain copper base alloy ingot.
Wherein, when in described step D, molten soup is poured in ingot mould, need to carry out with the speed of the interior 50kg of pouring into according to 3min.
Wherein, all to use purity be more than 99.9% starting material for described Cu metal, Ti metal, Zr metal, Ni metal.
A kind of cu-based amorphous alloys, carries out die casting by above-mentioned copper base alloy ingot, obtains the cu-based amorphous alloys that thickness is 2mm.
Embodiment 4.
A kind of copper base alloy ingot, described copper base alloy ingot is made up of the atom of following atomic percent:
Cu 50%
Ti 30%
Zr 15%
Ni 5%。
A preparation method for copper base alloy ingot, it comprises the following steps:
Steps A 0, material pre-treatment: Cu metal, Ti metal, Zr metal and Ni metal are cut by oil pressure cutting machine, then with the washing of ultrasonic washing machine.
Before steps A, melting: the melter of vacuum high frequency smelting furnace is evacuated to 10
-4the vacuum tightness of torr pours into high-purity argon gas in melter, and the volume of high-purity argon gas accounts for 30% of whole melter volume;
When step B, melting: Cu metal required copper base alloy ingot, Ti metal, Zr metal and Ni metal are carried out to melting in the melter of vacuum high frequency smelting furnace, by melting diffusion process, melt temperature is controlled to 1200 ℃, the fusion time is 90min;
Step C, melting finish: in 30min, will melt soup and be cooled to 950 ℃, and then with off-gas pump, melter will be pumped to 10
-1the vacuum tightness of torr;
Step D, the soup that falls: to 80% argon gas that pours into whole cooling room volume in the cooling room of ingot mould, start circulation hot exchange board, then will melt soup and pour in ingot mould through the cooling 60min of circulation hot exchange board, obtain copper base alloy ingot.
Wherein, when in described step D, molten soup is poured in ingot mould, need to carry out with the speed of the interior 50kg of pouring into according to 3min.
Wherein, all to use purity be more than 99.9% starting material for described Cu metal, Ti metal, Zr metal, Ni metal.
A kind of cu-based amorphous alloys, carries out die casting by above-mentioned copper base alloy ingot, obtains the cu-based amorphous alloys that thickness is 3mm.
Embodiment 5.
A kind of copper base alloy ingot, described copper base alloy ingot is made up of the atom of following atomic percent:
Cu 48%
Ti 32%
Zr 11%
Ni 9%。
A preparation method for copper base alloy ingot, it comprises the following steps:
Steps A 0, material pre-treatment: Cu metal, Ti metal, Zr metal and Ni metal are cut by oil pressure cutting machine, then with the washing of ultrasonic washing machine.
Before steps A, melting: the melter of vacuum high frequency smelting furnace is evacuated to 10
-4the vacuum tightness of torr pours into high-purity argon gas in melter, and the volume of high-purity argon gas accounts for 20%% of whole melter volume;
When step B, melting: Cu metal required copper base alloy ingot, Ti metal, Zr metal and Ni metal are carried out to melting in the melter of vacuum high frequency smelting furnace, by melting diffusion process, melt temperature is controlled to 1200 ℃, the fusion time is 60min;
Step C, melting finish: in 30min, will melt soup and be cooled to 950 ℃, and then with off-gas pump, melter will be pumped to 10
-1the vacuum tightness of torr;
Step D, the soup that falls: to 80% argon gas that pours into whole cooling room volume in the cooling room of ingot mould, start circulation hot exchange board, then will melt soup and pour in ingot mould through the cooling 50min of circulation hot exchange board, obtain copper base alloy ingot.
Wherein, when in described step D, molten soup is poured in ingot mould, need to carry out with the speed of the interior 50kg of pouring into according to 3min.
Wherein, all to use purity be more than 99.9% starting material for described Cu metal, Ti metal, Zr metal, Ni metal.
A kind of cu-based amorphous alloys, carries out die casting by above-mentioned copper base alloy ingot, obtains the cu-based amorphous alloys that thickness is 2.5mm.
Embodiment 6.
A kind of copper base alloy ingot, described copper base alloy ingot is made up of the atom of following atomic percent:
Cu 53%
Ti 31%
Zr 9%
Ni 7%。
A preparation method for copper base alloy ingot, it comprises the following steps:
Steps A 0, material pre-treatment: Cu metal, Ti metal, Zr metal and Ni metal are cut by oil pressure cutting machine, then with the washing of ultrasonic washing machine.
Before steps A, melting: the melter of vacuum high frequency smelting furnace is evacuated to 10
-4the vacuum tightness of torr pours into high-purity argon gas in melter, and the volume of high-purity argon gas accounts for 28% of whole melter volume;
When step B, melting: Cu metal required copper base alloy ingot, Ti metal, Zr metal and Ni metal are carried out to melting in the melter of vacuum high frequency smelting furnace, by melting diffusion process, melt temperature is controlled to 1200 ℃, the fusion time is 80min;
Step C, melting finish: in 30min, will melt soup and be cooled to 950 ℃, and then with off-gas pump, melter will be pumped to 10
-1the vacuum tightness of torr;
Step D, the soup that falls: to 80% argon gas that pours into whole cooling room volume in the cooling room of ingot mould, start circulation hot exchange board, then will melt soup and pour in ingot mould through the cooling 60min of circulation hot exchange board, obtain copper base alloy ingot.
Wherein, when in described step D, molten soup is poured in ingot mould, need to carry out with the speed of the interior 50kg of pouring into according to 3min.
Wherein, all to use purity be more than 99.9% starting material for described Cu metal, Ti metal, Zr metal, Ni metal.
A kind of cu-based amorphous alloys, carries out die casting by above-mentioned copper base alloy ingot, obtains the cu-based amorphous alloys that thickness is 3mm.
The physical and mechanical properties such as yield strength, consistency and elasticity distortion that embodiment 1-6 is obtained to cu-based amorphous alloys is tested, and refers to table 1.
。
Can find out by table 1, the physical and mechanical properties such as yield strength, consistency and elasticity distortion of the cu-based amorphous alloys that embodiment of the present invention 1-6 obtains is good.
Above-described embodiment is preferably implementation of the present invention, and in addition, the present invention can also realize by alternate manner, and any apparent replacement is all within protection scope of the present invention without departing from the inventive concept of the premise.
Claims (10)
1. a copper base alloy ingot, is characterized in that: described copper base alloy ingot is made up of the atom of following atomic percent:
Cu 40-55%
Ti 25-45 %
Zr 5-15%
Ni 5-10%。
2. copper base alloy ingot according to claim 1, is characterized in that: described copper base alloy ingot is made up of the atom of following atomic percent:
Cu 40-50%
Ti 25-35 %
Zr 5-10%
Ni 5-10%。
3. copper base alloy ingot according to claim 1, is characterized in that: described copper base alloy ingot is made up of the atom of following atomic percent:
Cu 50-55%
Ti 35-45 %
Zr 5-10%
Ni 5-7%。
4. copper base alloy ingot according to claim 1, is characterized in that: described copper base alloy ingot is made up of the atom of following atomic percent:
Cu 45-50%
Ti 30-40 %
Zr 5-10%
Ni 5-10%。
5. a preparation method for copper base alloy ingot, is characterized in that: it comprises the following steps:
Before steps A, melting: the melter of vacuum high frequency smelting furnace is evacuated to 10
-4the vacuum tightness of torr pours into high-purity argon gas in melter, and the volume of high-purity argon gas accounts for the 20%-30% of whole melter volume;
When step B, melting: Cu metal required copper base alloy ingot, Ti metal, Zr metal and Ni metal are carried out to melting in the melter of vacuum high frequency smelting furnace, melt temperature is controlled to 1100 ℃-1200 ℃, the fusion time is 60-90min;
Step C, melting finish: in 20-30min, will melt soup and be cooled to 900 ℃-950 ℃, and then with off-gas pump, melter will be pumped to 10
-1the vacuum tightness of torr;
Step D, the soup that falls: to the 60-80% argon gas that pours into whole cooling room volume in the cooling room of ingot mould, start circulation hot exchange board, then will melt soup and pour in ingot mould through the cooling 30-60min of circulation hot exchange board, obtain copper base alloy ingot.
6. the preparation method of copper base alloy ingot according to claim 5, it is characterized in that: before described steps A, also comprise steps A 0, material pre-treatment: Cu metal, Ti metal, Zr metal and Ni metal are cut by oil pressure cutting machine, then with the washing of ultrasonic washing machine.
7. the preparation method of copper base alloy ingot according to claim 5, is characterized in that: described step B will be controlled between 1100 ℃-1200 ℃ by melting diffusion process.
8. the preparation method of copper base alloy ingot according to claim 5, is characterized in that: when in described step D, molten soup is poured in ingot mould, need to carry out with the speed of the interior 50kg of pouring into according to 3min.
9. the preparation method of copper base alloy ingot according to claim 5, is characterized in that: it is more than 99.9% starting material that described Cu metal, Ti metal, Zr metal, Ni metal all use purity.
10. a cu-based amorphous alloys, is characterized in that: copper base alloy ingot as claimed in claim 5 is carried out to die casting, obtain the cu-based amorphous alloys that thickness is 0.5mm-3mm.
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| CN104451464A (en) * | 2014-12-29 | 2015-03-25 | 东莞台一盈拓科技股份有限公司 | Amorphous alloy spectacle frame and glass and production method thereof |
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| CN110257730A (en) * | 2018-03-12 | 2019-09-20 | 中国科学院物理研究所 | A kind of Cu-Li amorphous alloy and its preparation method and application |
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| CN110257730A (en) * | 2018-03-12 | 2019-09-20 | 中国科学院物理研究所 | A kind of Cu-Li amorphous alloy and its preparation method and application |
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