CN114657411A - Wear-resistant manganese brass alloy material and processing method thereof - Google Patents
Wear-resistant manganese brass alloy material and processing method thereof Download PDFInfo
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- CN114657411A CN114657411A CN202210351318.9A CN202210351318A CN114657411A CN 114657411 A CN114657411 A CN 114657411A CN 202210351318 A CN202210351318 A CN 202210351318A CN 114657411 A CN114657411 A CN 114657411A
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- manganese brass
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- 239000000956 alloy Substances 0.000 title claims abstract description 45
- 229910001181 Manganese brass Inorganic materials 0.000 title claims abstract description 44
- 238000003672 processing method Methods 0.000 title abstract description 4
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 20
- 238000005266 casting Methods 0.000 claims abstract description 11
- 239000012535 impurity Substances 0.000 claims abstract description 7
- 239000002893 slag Substances 0.000 claims description 12
- 238000002844 melting Methods 0.000 claims description 10
- 230000008018 melting Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 7
- 238000007670 refining Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 5
- 238000003723 Smelting Methods 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 2
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 239000011572 manganese Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005520 cutting process Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 230000002195 synergetic effect Effects 0.000 abstract description 2
- 229910001369 Brass Inorganic materials 0.000 description 9
- 239000010951 brass Substances 0.000 description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000010309 melting process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 229910000776 Common brass Inorganic materials 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- FFRBMBIXVSCUFS-UHFFFAOYSA-N 2,4-dinitro-1-naphthol Chemical compound C1=CC=C2C(O)=C([N+]([O-])=O)C=C([N+]([O-])=O)C2=C1 FFRBMBIXVSCUFS-UHFFFAOYSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 238000007545 Vickers hardness test Methods 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C22C9/04—Alloys based on copper with zinc 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention provides a wear-resistant manganese brass alloy material and a processing method thereof, belonging to the technical field of alloy material processing. The invention provides a wear-resistant manganese brass alloy material which comprises the following components: zr0.01-0.03 wt%, Ti0.01-0.05 wt%, B0.002-0.008 wt%, and Cr0.2-0.5 wt%, and the balance of manganese brass and inevitable impurities, wherein the sum of the mass percentages of the components is 100%. By reasonably designing the components of the alloy and generating the synergistic effect among the elements, the obtained manganese brass alloy has excellent mechanical property, casting property, cutting property, corrosion resistance and stress corrosion resistance, and particularly excellent wear resistance.
Description
Technical Field
The invention relates to the technical field of alloy material processing, in particular to a wear-resistant manganese brass alloy material and a processing method thereof.
Background
The common brass is a binary alloy consisting of Cu and Zn, and has bright golden yellow color. Common brass is not required in all aspects under certain severe working conditions, and the application field of the brass is limited to a great part extent. In order to improve the comprehensive properties of brass alloys, some minor trace elements such as: mn, A1, Si, Fe, Sn, Ni, rare earth elements and the like form multi-element complex brass, the multi-element brass is called as complex brass, the multi-element brass can be roughly divided into two types of manganese brass and aluminum brass according to the difference of the added main alloy elements and hard phases, and the manganese brass has low cost and excellent comprehensive performance compared with the aluminum brass and is more widely applied, so the manganese brass material has huge market potential and important research value. In recent years, with the continuous breakthrough of important science and technology in China, manganese brass also has wide and urgent requirements in the aviation, navigation and automobile industries.
The patent with the application number of CN202011442117.7 discloses a preparation method of a manganese brass alloy with three strengthening phases, which comprises Cu, Zn, Co, Mn, Si, Ni, Fe, Al, Pb and Ce, wherein the alloy is prepared by mixing and smelting materials according to a proportion, carrying out molten salt electrolysis treatment on a melt, casting into a cast ingot with good uniformity and fine crystal grains, and finally carrying out extrusion, quenching, stretching, peeling, annealing and straightening post-treatment processes.
Disclosure of Invention
In view of the above, a first object of the present invention is to provide a wear-resistant manganese brass alloy material, which comprises, by weight: zr0.01-0.03 wt%, Ti0.01-0.05 wt%, B0.002-0.008 wt%, and Cr0.2-0.5 wt%, and the balance of manganese brass and inevitable impurities, wherein the sum of the mass percentages of the components is 100%.
Preferably, the manganese brass comprises: cu50-70 wt%, Al4-6 wt%, Mn5-8 wt%, Ni0.2-0.3 wt%, Fe0.5-0.8 wt%, Pb0.1-0.2 wt%, and Zn in balance.
The second purpose of the invention is to provide a preparation process of the wear-resistant manganese brass alloy material, which comprises the following steps:
(1) after melting the manganese brass, sequentially adding Zr, Ti, B and Cr according to the melting point from high to low, and then melting;
(2) and after the materials are completely melted, adding a slag removing agent, introducing high-purity nitrogen gas for refining for 2-3 min, finally pouring the materials into a casting ladle, standing and preserving heat for 1-5 min, removing slag and pouring an alloy ingot to obtain the wear-resistant manganese brass alloy material.
Preferably, the smelting temperature in the step (1) is 1060-1070 ℃.
Preferably, the casting temperature in the step (2) is 880-980 ℃.
Compared with the prior art, the invention has the following beneficial effects: by reasonably designing the components of the alloy and generating the synergistic effect among the elements, the obtained manganese brass alloy has excellent mechanical property, casting property, cutting property, corrosion resistance and stress corrosion resistance, and particularly excellent wear resistance. Meanwhile, the manganese brass alloy does not contain elements such as nickel, rare earth and the like, so that the brass alloy prepared by the method is low in cost. The manganese brass alloy contains low-content lead, is an environment-friendly alloy, reduces the harm of the lead to human bodies and the environment, and simultaneously, the precipitation amount of alloy elements in water meets the NSF/ANSI61-2007 standard.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The test methods or test methods described in the following examples are conventional methods unless otherwise specified; the starting materials and auxiliaries are, unless otherwise specified, obtained from customary commercial sources or prepared in customary manner.
The amount of the solution was 8.3538 kg.
Example 1
A preparation process of a wear-resistant manganese brass alloy material comprises the following steps:
(1) after 8.3kg of commercially available manganese brass (of which Cu50 wt%, Al4 wt%, Mn5 wt%, Ni0.2wt%, Fe0.5wt%, Pb0.1wt%, and the balance of Zn and a small amount of impurity elements) was melted, intermediate elements Zr0.01wt%, Ti0.01wt%, B0.002wt%, and Cr0.2wt% were added in this order from the top to the bottom in terms of melting point, and then the mixture was melted at 1060 ℃; the intermediate elements can be directly purchased from the market, and the melting process is equal to the process of adding the latter elements after the former elements are melted;
(2) and after the materials are completely melted, adding a slag removing agent, introducing high-purity nitrogen gas for refining for 2-3 min, finally pouring into a casting ladle, standing and preserving heat for 2min, removing slag, and pouring an alloy ingot at the temperature of 880 ℃, thus obtaining the wear-resistant manganese brass alloy material.
Example 2
A preparation process of a wear-resistant manganese brass alloy material comprises the following steps:
(1) after 8.3kg of commercially available manganese brass (of which Cu60 wt%, Al5 wt%, Mn6 wt%, Ni0.2wt%, Fe0.7wt%, Pb0.1wt%, and the balance of Zn and a small amount of impurity elements) was melted, intermediate elements Zr0.02wt%, Ti0.03wt%, B0.005wt%, and Cr0.4wt% were added in this order from the top to the bottom in terms of melting point, and then melting was carried out at 1060 ℃; the intermediate elements can be directly purchased from the market, and the melting process is equal to that of the former element and then the latter element is added;
(2) and after the materials are completely melted, adding a slag removing agent, introducing high-purity nitrogen gas for refining for 2-3 min, finally pouring into a casting ladle, standing and preserving heat for 3min, removing slag, and pouring an alloy ingot at the temperature of 880 ℃, thus obtaining the wear-resistant manganese brass alloy material.
Example 3
A preparation process of a wear-resistant manganese brass alloy material comprises the following steps:
(1) after 8.3kg of commercially available manganese brass (wherein Cu70 wt%, Al6 wt%, Mn8 wt%, Ni0.3wt%, Fe0.8wt%, Pb0.2wt%, and the balance of Zn and a small amount of impurity elements) was melted, intermediate elements Zr0.03wt%, Ti0.05wt%, B0.008wt%, and Cr0.5wt% were added in this order from the high to low melting point, and then melted at 1070 ℃; the intermediate elements can be directly purchased from the market, and the melting process is equal to that of the former element and then the latter element is added;
(2) and after the materials are completely melted, adding a slag removing agent, introducing high-purity nitrogen gas for refining for 2-3 min, finally pouring into a casting ladle, standing and preserving heat for 5min, removing slag, and pouring an alloy ingot at the temperature of 980 ℃ to obtain the wear-resistant manganese brass alloy material.
Comparative example 1
A preparation process of a manganese brass alloy material comprises the following steps:
after 8.3kg of commercially available manganese brass (including Cu50 wt%, Al4 wt%, Mn5 wt%, Ni0.2wt%, Fe0.5wt%, Pb0.1wt%, and the balance of Zn and a small amount of impurity elements) is melted, a slag remover is added, then high-purity nitrogen is introduced for refining for 2-3 min, finally, the mixture is poured into a casting ladle, kept stand and kept warm for 2min, slag is removed, and an alloy ingot is poured at the temperature of 880 ℃, so that the manganese brass alloy material is obtained.
The manganese brass alloys of examples 1-3 were tested for tensile strength, wet coefficient of friction, dry coefficient of friction, and hardness, respectively, wherein the tensile strength was determined by reference to GB/T228.1-2010, and the hardness was determined by reference to GB/T4340.1-1999 part 1 of the metal vickers hardness test: test method, using MGW-01 model high frequency reciprocating fretting friction abrasion tester to test friction abrasion performance, the friction mating part is Si with 4mm diameter3N4The ball is loaded with 1N, the time is 10min, the frequency is 20Hz, the stroke is 0.8-1 mm, and the wet friction coefficient is tested in 3.5 percent NaCl solution.
The test results are shown in the following tables:
| tensile strength/MPa | Coefficient of wet friction | Coefficient of dry friction | hardness/HV | |
| Example 1 | 890 | 0.0188 | 0.0195 | 215.3 |
| Example 2 | 831 | 0.0195 | 0.0211 | 206.1 |
| Example 3 | 865 | 0.0206 | 0.0214 | 198.4 |
| Comparative example 1 | 557 | 0.0262 | 0.0282 | 151.5 |
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A wear-resistant manganese brass alloy material, characterized in that the manganese brass alloy material comprises, in weight percent: 0.01-0.03 wt% of Zr, 0.01-0.05 wt% of Ti, 0.002-0.008 wt% of B, 0.2-0.5 wt% of Cr0.2, and the balance of manganese brass and inevitable impurities, wherein the sum of the mass percentages of the components is 100%.
2. The wear-resistant manganese brass alloy material of claim 1, wherein said manganese brass comprises: 50-70 wt% of Cu, 4-6 wt% of Al, 5-8 wt% of Mn, 0.2-0.3 wt% of Ni, 0.5-0.8 wt% of Fe, 0.1-0.2 wt% of Pb and the balance of Zn.
3. The preparation process of the wear-resistant manganese brass alloy material according to claim 1 or 2, characterized by comprising the following steps:
(1) after melting the manganese brass, sequentially adding Zr, Ti, B and Cr according to the melting point from high to low, and then melting;
(2) and after the materials are completely melted, adding a slag removing agent, introducing high-purity nitrogen gas for refining for 2-3 min, finally pouring the materials into a casting ladle, standing and preserving heat for 1-5 min, removing slag and pouring an alloy ingot to obtain the wear-resistant manganese brass alloy material.
4. The preparation process of the wear-resistant manganese brass alloy material according to claim 3, wherein the smelting temperature in the step (1) is 1060-1070 ℃.
5. The preparation process of the wear-resistant manganese brass alloy material according to claim 3, wherein the casting temperature in the step (2) is 880-980 ℃.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210351318.9A CN114657411A (en) | 2022-04-02 | 2022-04-02 | Wear-resistant manganese brass alloy material and processing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210351318.9A CN114657411A (en) | 2022-04-02 | 2022-04-02 | Wear-resistant manganese brass alloy material and processing method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH329106A (en) * | 1954-01-28 | 1958-04-15 | Manganese Bronze And Brass Com | Alloy for electric heaters |
| US5000915A (en) * | 1986-09-08 | 1991-03-19 | Oiles Corporation | Wear-resistant copper alloy |
| US20040140022A1 (en) * | 2003-01-22 | 2004-07-22 | Yasuo Inohana | Copper base alloy and method for producing same |
| CN102912183A (en) * | 2012-10-26 | 2013-02-06 | 镇江金叶螺旋桨有限公司 | Strontium, titanium and boron composite microalloying manganese brass and preparation method of manganese brass |
| CN102925743A (en) * | 2012-11-12 | 2013-02-13 | 宁波博威合金材料股份有限公司 | Lead-free wear-resistant copper alloy and preparation method thereof |
| CN104294082A (en) * | 2014-11-03 | 2015-01-21 | 宁波博威合金材料股份有限公司 | Brass alloy |
| CN107974573A (en) * | 2017-11-29 | 2018-05-01 | 九牧厨卫股份有限公司 | A kind of silicon brass alloy containing manganese easy cutting and its preparation method and application |
-
2022
- 2022-04-02 CN CN202210351318.9A patent/CN114657411A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH329106A (en) * | 1954-01-28 | 1958-04-15 | Manganese Bronze And Brass Com | Alloy for electric heaters |
| US5000915A (en) * | 1986-09-08 | 1991-03-19 | Oiles Corporation | Wear-resistant copper alloy |
| US20040140022A1 (en) * | 2003-01-22 | 2004-07-22 | Yasuo Inohana | Copper base alloy and method for producing same |
| CN102912183A (en) * | 2012-10-26 | 2013-02-06 | 镇江金叶螺旋桨有限公司 | Strontium, titanium and boron composite microalloying manganese brass and preparation method of manganese brass |
| CN102925743A (en) * | 2012-11-12 | 2013-02-13 | 宁波博威合金材料股份有限公司 | Lead-free wear-resistant copper alloy and preparation method thereof |
| CN104294082A (en) * | 2014-11-03 | 2015-01-21 | 宁波博威合金材料股份有限公司 | Brass alloy |
| CN107974573A (en) * | 2017-11-29 | 2018-05-01 | 九牧厨卫股份有限公司 | A kind of silicon brass alloy containing manganese easy cutting and its preparation method and application |
Non-Patent Citations (3)
| Title |
|---|
| 吴玉程等, 合肥工业大学大学出版社 * |
| 张庆信: "《船舶轮机问答造船大意与轮机基础理论分册》", 31 March 1984, 人民交通出版社 * |
| 李宏磊等: "《铜加工生产技术问答》", 31 January 2008, 冶金工业出版社 * |
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Application publication date: 20220624 |