CN114836648A - Preparation method of copper-manganese-based temperature-control sound-changing alloy - Google Patents
Preparation method of copper-manganese-based temperature-control sound-changing alloy Download PDFInfo
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- CN114836648A CN114836648A CN202210642873.7A CN202210642873A CN114836648A CN 114836648 A CN114836648 A CN 114836648A CN 202210642873 A CN202210642873 A CN 202210642873A CN 114836648 A CN114836648 A CN 114836648A
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- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 93
- 239000000956 alloy Substances 0.000 title claims abstract description 93
- HPDFFVBPXCTEDN-UHFFFAOYSA-N copper manganese Chemical compound [Mn].[Cu] HPDFFVBPXCTEDN-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000010949 copper Substances 0.000 claims abstract description 23
- 238000003723 Smelting Methods 0.000 claims abstract description 18
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 17
- 230000032683 aging Effects 0.000 claims abstract description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052802 copper Inorganic materials 0.000 claims abstract description 14
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 11
- 230000006698 induction Effects 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910001018 Cast iron Inorganic materials 0.000 claims abstract description 8
- 238000005266 casting Methods 0.000 claims abstract description 8
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims abstract description 3
- 239000011572 manganese Substances 0.000 claims description 17
- 239000012535 impurity Substances 0.000 claims description 9
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 8
- 229910052748 manganese Inorganic materials 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 229910002804 graphite Inorganic materials 0.000 claims description 7
- 239000010439 graphite Substances 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 229910017566 Cu-Mn Inorganic materials 0.000 claims description 4
- 229910017871 Cu—Mn Inorganic materials 0.000 claims description 4
- 239000012300 argon atmosphere Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000013016 damping Methods 0.000 abstract description 33
- 230000005236 sound signal Effects 0.000 abstract description 21
- 239000002994 raw material Substances 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000005290 antiferromagnetic effect Effects 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 11
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 10
- 238000011056 performance test Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 229910052786 argon Inorganic materials 0.000 description 5
- 239000012298 atmosphere Substances 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000007704 transition Effects 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 229910000734 martensite Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 239000012814 acoustic material Substances 0.000 description 1
- 239000002885 antiferromagnetic material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- C22C9/00—Alloys based on copper
- C22C9/05—Alloys based on copper with manganese 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The invention discloses a preparation method of a copper-manganese-based temperature-control sound-changing alloy, which comprises the following steps: smelting electrolytic copper, electrolytic manganese, electrolytic aluminum, electrolytic iron and electrolytic tin serving as raw materials in a medium-frequency induction furnace; after the smelting is finished, casting the alloy ingot into a cast iron metal mold to obtain an alloy ingot; carrying out solution treatment on the alloy ingot at 700-900 ℃, and then cooling by water; and carrying out aging treatment on the alloy ingot at 300-500 ℃, and then carrying out air cooling to obtain the copper-manganese-based temperature-control sound-changing alloy. Through the mode, the method provided by the invention can enable the copper-manganese-based alloy to form an antiferromagnetic structure, the damping value of the copper-manganese-based alloy is reduced along with the rise of the temperature, the relaxation time of the sound signal attenuation is prolonged along with the rise of the temperature, and the temperature control sound variation performance is obtained.
Description
Technical Field
The invention belongs to the field of metal material preparation, and particularly relates to a preparation method of a copper-manganese-based temperature-control sound-changing alloy.
Background
Copper-based alloys are one of the acoustic materials that have been found to be the earliest in human history, the longest in research history, and the most excellent in performance. The bronze era of China, starting from about 2000 b.c. and passing through 3 generations in summer, business and week, has entered a very prosperous period and is widely used in cast musical instruments. For example, the copper chime bell produced in 1957 by the time of Henan Xinyang Changtai, the date of the Ming-Yuan is 475-221, and the temperament is accurate as tested by national music research institute of Central music institute. In 7 months of 1957, the central people broadcasting station broadcast the eastern red music played by the set of chimes for the first time. Then the music is loaded into the first artificial satellite in China to travel to the sky and to the space.
The temperature control sound-changing alloy belongs to an intelligent material, and musical instruments prepared from the alloy can show different timbres along with temperature change. The temperature control sound-changing alloy can be applied to the fields of mechanical electronics, cultural art, daily life and the like. At present, no temperature control sound-changing alloy, in particular copper-manganese-based temperature control sound-changing alloy, is reported.
Disclosure of Invention
The copper-manganese-based alloy (Cu-Mn alloy) is an antiferromagnetic material, the martensite phase transition temperature of the copper-manganese-based alloy is coupled with the Neille transition temperature, and the copper-manganese-based alloy has special damping performance and mechanical performance. The inventor of the application develops alloy design by combining a solid phase transition theory, so that the internal short-range ordered structure of the copper-manganese-based alloy is changed along with the temperature change, the damping value of the copper-manganese-based alloy is reduced along with the temperature rise, the relaxation time of sound signal attenuation of the copper-manganese-based alloy is prolonged along with the temperature rise, and the temperature control sound changing performance is obtained, thereby completing the invention.
Therefore, an object of the present invention is to provide a method for preparing a copper-manganese based temperature-controlled sound-changing alloy, the method comprising:
under the protection of argon atmosphere, smelting electrolytic copper, electrolytic manganese, electrolytic aluminum, electrolytic iron and electrolytic tin in a medium-frequency induction furnace at the smelting temperature of 1200-1500 ℃ for 20-40 minutes;
after the smelting is finished, casting the alloy ingot into a cast iron metal mold to obtain an alloy ingot;
carrying out solution treatment on the alloy ingot at 700-900 ℃, and then cooling by water;
and carrying out aging treatment on the alloy ingot at 300-500 ℃, and then carrying out air cooling to obtain the copper-manganese-based temperature-control sound-changing alloy.
The medium-frequency induction furnace is an induction furnace with the working frequency within the range of 150-10000 Hz.
Preferably, the electrolytic copper is electrolytic copper with a purity of 99.9%.
Preferably, the electrolytic manganese is electrolytic manganese with a purity of 99.9%.
Preferably, the electrolytic aluminum is electrolytic aluminum with a purity of 99.9%.
Preferably, the electrolytic iron is 99.9% pure electrolytic iron.
Preferably, the electrolytic tin is electrolytic tin with a purity of 99.9%.
Preferably, the melting is performed in a graphite crucible, the melting temperature being 1200 ℃, 1300 ℃, 1400 ℃, 1450 ℃, 1500 ℃ and any value in between. The smelting condition can ensure that the elements of the copper-manganese-based alloy are uniformly distributed.
Preferably, the solution treatment temperature is 700 ℃, 750 ℃, 800 ℃, 850 ℃, 900 ℃ or any value therebetween, the solution treatment is carried out for 0.5-5 hours, and then water cooling is carried out, wherein the solution treatment condition can enable the copper-manganese-based alloy to obtain an antiferromagnetic martensite twin crystal structure.
Preferably, the aging treatment temperature is 300 ℃, 350 ℃, 400 ℃, 450 ℃, 500 ℃ or any value between the two, the aging treatment is carried out for 0.5-8 hours, and then air cooling is carried out, wherein the aging treatment condition can reduce the residual internal stress of the copper-manganese-based alloy and improve the structure stability.
The invention also aims to provide the copper-manganese-based temperature-controlled sound-changing alloy prepared by the method, wherein the content of Mn element is 5.0-30.0 wt%, the content of Al element is 0.5-3.0 wt%, the content of Fe element is 0.5-3.0 wt%, the content of Sn element is 1.0-18.0 wt%, and the balance is Cu element and inevitable impurities.
Preferably, in the alloy, the content of Mn element is 15.0-28.0 wt%, the content of Al element is 0.5-2.0 wt%, the content of Fe element is 0.5-2.0 wt%, the content of Sn element is 2.0-18.0 wt%, and the balance is Cu element and inevitable impurities.
The invention has the beneficial effects that:
the method provided by the invention can enable the copper-manganese-based alloy to form an antiferromagnetic structure, the internal short-range ordered structure is changed along with the temperature change, the damping value is reduced along with the temperature rise, the relaxation time of the sound signal attenuation is prolonged along with the temperature rise, and the temperature control sound change performance is obtained. When the temperature of the copper-manganese-based temperature-control sound-changing alloy prepared by the method is increased from 25 ℃ to 200 ℃, the damping value is reduced from 0.089 to 0.034, the attenuation relaxation time of a sound signal is prolonged from 0.24s to 3.56s, and the temperature-control sound-changing performance is obtained.
Detailed description of the preferred embodiments
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to specific examples.
Example 1:
smelting electrolytic copper with the purity of 99.9 percent, electrolytic manganese with the purity of 99.9 percent, electrolytic aluminum with the purity of 99.9 percent, electrolytic iron with the purity of 99.9 percent and electrolytic tin with the purity of 99.9 percent serving as raw materials in a medium-frequency induction furnace; adopting a graphite crucible, introducing argon protective atmosphere, smelting at 1350 ℃, keeping the temperature for 25 minutes, and casting into a cast iron metal mold; carrying out solution treatment on the alloy ingot at 800 ℃ for 2 hours and then cooling by water; aging the alloy ingot at 420 ℃ for 2 hours, and then air-cooling; the content of Mn element, Al element and Sn element in the obtained copper-manganese-based temperature-controlled sound-changing alloy is 15.0 wt%, 1.5 wt% and 12.0 wt%, and the balance is Cu element and inevitable impurities.
The damping performance of the prepared copper-manganese-based temperature-control sound-changing alloy is tested according to the specification of GB/T18258-2000 damping material damping performance test method. The test equipment is a multifunctional internal consumption instrument. The test temperature is 25-200 ℃, the frequency is 1Hz, and the amplitude range of the applied strain is 1000 multiplied by 10 -6 The measured damping values of the alloys are shown in Table 1. The sound signals of the alloy at different temperatures are collected by a sound sensor, the collected signals are analyzed and processed by a software Adobe Audio, and the measured attenuation relaxation time of the sound signals is shown in a table 1. The alloy has temperature controlInflexion performance.
TABLE 1 damping behavior and Sound Signal decay relaxation time of the alloy of example 1 as a function of temperature
Example 2:
smelting electrolytic copper with the purity of 99.9 percent, electrolytic manganese with the purity of 99.9 percent, electrolytic aluminum with the purity of 99.9 percent, electrolytic iron with the purity of 99.9 percent and electrolytic tin with the purity of 99.9 percent serving as raw materials in a medium-frequency induction furnace; adopting a graphite crucible, introducing argon protective atmosphere, melting at 1400 ℃, keeping the temperature for 30 minutes, and casting into a cast iron metal mold; carrying out solution treatment on the alloy ingot at 850 ℃ for 4 hours, and then cooling by water; aging the alloy cast ingot at 450 ℃ for 4 hours, and then air-cooling; the obtained copper-manganese-based temperature-controlled sound-changing alloy contains 20.0 wt% of Mn element, 1.2 wt% of Al element, 1.2 wt% of Fe element, 10.0 wt% of Sn element and the balance of Cu element and inevitable impurities.
The damping performance of the prepared copper-manganese-based temperature-control sound-changing alloy is tested according to the specification of GB/T18258-2000 damping material damping performance test method. The test equipment is a multifunctional internal consumption instrument. The test temperature is 25-200 ℃, the frequency is 1Hz, and the amplitude range of the applied strain is 1000 multiplied by 10 -6 The measured damping values of the alloys are shown in Table 2. And (3) collecting sound signals of the alloy at different temperatures by using a sound sensor, analyzing and processing the collected signals by using software Adobe Audio, and obtaining the attenuation relaxation time of the sound signals shown in a table 2. The alloy has temperature control and sound changing performance.
TABLE 2 damping behavior and Sound Signal decay relaxation time of the alloy of example 2 as a function of temperature
Example 3:
smelting electrolytic copper with the purity of 99.9 percent, electrolytic manganese with the purity of 99.9 percent, electrolytic aluminum with the purity of 99.9 percent, electrolytic iron with the purity of 99.9 percent and electrolytic tin with the purity of 99.9 percent serving as raw materials in a medium-frequency induction furnace; adopting a graphite crucible, introducing argon protective atmosphere, smelting at 1300 ℃, keeping the temperature for 25 minutes, and casting into a cast iron metal mold; carrying out solution treatment on the alloy ingot at 750 ℃ for 3 hours and then cooling by water; aging the alloy ingot at 350 ℃ for 3 hours, and then air-cooling; the obtained copper-manganese-based temperature-controlled sound-changing alloy contains 12.0 wt% of Mn element, 1.0 wt% of Al element, 1.5 wt% of Fe element, 14.0 wt% of Sn element and the balance of Cu element and inevitable impurities.
The damping performance of the prepared copper-manganese-based temperature-control sound-changing alloy is tested according to the specification of GB/T18258-2000 damping material damping performance test method. The test equipment is a multifunctional internal consumption instrument. The test temperature is 25-200 ℃, the frequency is 1Hz, the amplitude range of the applied strain is 1000 multiplied by 10 < -6 >, and the measured damping value of the alloy is shown in Table 3. The sound signals of the alloy at different temperatures are collected by a sound sensor, the collected signals are analyzed and processed by a software Adobe Audio, and the measured attenuation relaxation time of the sound signals is shown in a table 3. The alloy has temperature control and sound changing performance.
TABLE 3 damping behavior and Sound Signal decay relaxation time of the alloy of example 3 as a function of temperature
Example 4:
smelting electrolytic copper with the purity of 99.9 percent, electrolytic manganese with the purity of 99.9 percent, electrolytic aluminum with the purity of 99.9 percent, electrolytic iron with the purity of 99.9 percent and electrolytic tin with the purity of 99.9 percent serving as raw materials in a medium-frequency induction furnace; adopting a graphite crucible, introducing argon protective atmosphere, melting at 1400 ℃, keeping the temperature for 35 minutes, and casting into a cast iron metal mold; carrying out solution treatment on the alloy ingot at 800 ℃ for 5 hours and then cooling by water; aging the alloy ingot at 400 ℃ for 5 hours, and then air-cooling; the obtained copper-manganese-based temperature-controlled sound-changing alloy contains 14.0 wt% of Mn element, 1.5 wt% of Al element, 0.5 wt% of Fe element, 8.0 wt% of Sn element and the balance of Cu element and inevitable impurities.
The prepared copper-manganese based temperature control sound-changing alloy is subjected to damping performance test according to the provisions of GB/T18258-2000 damping material damping performance test method. The test equipment is a multifunctional internal consumption instrument. The test temperature is 25-200 ℃, the frequency is 1Hz, the amplitude range of the applied strain is 1000 multiplied by 10 < -6 >, and the measured damping value of the alloy is shown in Table 4. The sound signals of the alloy at different temperatures are collected by a sound sensor, the collected signals are analyzed and processed by a software Adobe Audio, and the measured attenuation relaxation time of the sound signals is shown in a table 3. The alloy has temperature control and sound changing performance.
TABLE 4 damping behavior and Sound Signal decay relaxation time of the alloy of example 4 as a function of temperature
Examples 5 to 10:
the same procedure as in example 1 was repeated except that the alloy composition, the melting temperature, the solution treatment temperature and holding time, and the aging treatment temperature and holding time were changed in accordance with the values shown in Table 5, to obtain alloy samples, which were subjected to the damping performance test and the sound signal relaxation time test, and when the temperature was increased from 25 ℃ to 200 ℃, the decreased damping value and the increased relaxation time were shown in Table 5. As can be seen from Table 5, the method provided by the invention can enable the copper-manganese-based alloy to obtain temperature-control sound-changing performance.
TABLE 5 damping performance of Cu-Mn-based alloy with temperature variation and sound signal attenuation relaxation time for different alloy compositions, smelting temperature and time, solution treatment temperature and time, and aging treatment temperature and time
Comparative example 1:
smelting electrolytic copper with the purity of 99.9 percent, electrolytic manganese with the purity of 99.9 percent, electrolytic aluminum with the purity of 99.9 percent, electrolytic iron with the purity of 99.9 percent and electrolytic tin with the purity of 99.9 percent serving as raw materials in a medium-frequency induction furnace; adopting a graphite crucible, introducing argon protective atmosphere, smelting at 1350 ℃, keeping the temperature for 25 minutes, and casting into a cast iron metal mold; carrying out solution treatment on the alloy ingot at 500 ℃ for 2 hours and then cooling by water; aging the alloy ingot at 420 ℃ for 2 hours, and then air-cooling; the content of Mn element, Al element and Sn element in the obtained copper-manganese-based temperature-controlled sound-changing alloy is 15.0 wt%, 1.5 wt% and 12.0 wt%, and the balance is Cu element and inevitable impurities.
The damping performance of the prepared copper-manganese-based temperature-control sound-changing alloy is tested according to the specification of GB/T18258-2000 damping material damping performance test method. The test equipment is a multifunctional internal consumption instrument. The test temperature is 25-200 ℃, the frequency is 1Hz, and the amplitude range of the applied strain is 1000 multiplied by 10 -6 The measured damping values of the alloys are shown in Table 6. The sound signals of the alloy at different temperatures are collected by a sound sensor, the collected signals are analyzed and processed by a software Adobe Audio, and the measured attenuation relaxation time of the sound signals is shown in a table 6. The alloy has no temperature control and sound changing performance.
TABLE 6 damping behavior and sound signal decay relaxation time of the alloy of comparative example 1 as a function of temperature
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A preparation method of a copper-manganese-based temperature-control sound-changing alloy comprises the following steps:
under the protection of argon atmosphere, smelting electrolytic copper, electrolytic manganese, electrolytic aluminum, electrolytic iron and electrolytic tin in a medium-frequency induction furnace at the smelting temperature of 1200-1500 ℃ for 20-40 minutes;
after the smelting is finished, casting the alloy ingot into a cast iron metal mold to obtain an alloy ingot;
carrying out solution treatment on the alloy ingot at 700-900 ℃, and then cooling by water;
and carrying out aging treatment on the alloy ingot at 300-500 ℃, and then carrying out air cooling to obtain the copper-manganese-based temperature-control sound-changing alloy.
2. The production method according to claim 1, wherein the electrolytic copper is electrolytic copper having a purity of 99.9%; the electrolytic manganese has the purity of 99.9 percent; the electrolytic aluminum has the purity of 99.9 percent; the electrolytic iron has the purity of 99.9 percent; the electrolytic tin is electrolytic tin with the purity of 99.9 percent.
3. The method of claim 1, wherein the melting is performed in a graphite crucible at a melting temperature of 1200 ℃, 1300 ℃, 1400 ℃, 1450 ℃, 1500 ℃, and any value therebetween.
4. The method according to claim 1, wherein the solution treatment temperature is 700 ℃, 750 ℃, 800 ℃, 850 ℃, 900 ℃ or any value therebetween, and the solution treatment is performed for 0.5 to 5 hours.
5. The method according to claim 1, wherein the aging treatment temperature is 300 ℃, 350 ℃, 400 ℃, 450 ℃, 500 ℃ or any value therebetween, and the aging treatment is performed for 0.5 to 8 hours.
6. The Cu-Mn based temperature-controlled sound-modifying alloy according to any one of claims 1 to 5, wherein the alloy contains 5.0 to 30.0 wt% of Mn element, 0.5 to 3.0 wt% of Al element, 0.5 to 3.0 wt% of Fe element, 1.0 to 18.0 wt% of Sn element, and the balance of Cu element and inevitable impurities.
7. The Cu-Mn based temperature-controlled sound-modifying alloy according to claim 5, wherein the alloy contains 15.0 to 28.0 wt% of Mn element, 0.5 to 2.0 wt% of Al element, 0.5 to 2.0 wt% of Fe element, 2.0 to 18.0 wt% of Sn element, and the balance of Cu element and inevitable impurities.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116144972A (en) * | 2023-02-03 | 2023-05-23 | 有研工程技术研究院有限公司 | Damping copper alloy material and preparation method thereof |
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|---|---|---|---|---|
| CN116144972A (en) * | 2023-02-03 | 2023-05-23 | 有研工程技术研究院有限公司 | Damping copper alloy material and preparation method thereof |
| CN116144972B (en) * | 2023-02-03 | 2024-01-09 | 有研工程技术研究院有限公司 | Damping copper alloy material and preparation method thereof |
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