WO2018028088A1 - Copper-based composite material used in locomotive engine component and preparation method therefor - Google Patents
Copper-based composite material used in locomotive engine component and preparation method therefor Download PDFInfo
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- WO2018028088A1 WO2018028088A1 PCT/CN2016/108067 CN2016108067W WO2018028088A1 WO 2018028088 A1 WO2018028088 A1 WO 2018028088A1 CN 2016108067 W CN2016108067 W CN 2016108067W WO 2018028088 A1 WO2018028088 A1 WO 2018028088A1
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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
- C22C9/02—Alloys based on copper with tin 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
Definitions
- the invention relates to the field of alloy materials, in particular to a copper matrix composite material applied to locomotive engine parts and a preparation method thereof.
- Titanium boride is the most stable compound of boron and titanium, and is bonded in the form of its valence bond to a hexagonal metalloid compound.
- the boron atomic layer structure similar to graphite inside the titanium boride and the outer layer electron of titanium determine that the titanium boride has good electrical conductivity and metallic luster, and the Ti-B bond between the boron atomic plane and the titanium atomic plane determines this.
- the material is characterized by high hardness and brittleness. Therefore, titanium boride can be used as an important component of multi-component composite materials, and composite materials with various metal or non-metal materials to produce various high-temperature resistant parts and functional parts, such as high temperature crucibles and engine parts.
- Tin bronze is the non-ferrous metal alloy with the smallest casting shrinkage. It is used to produce castings with complex shapes, clear outlines and low air tightness. Tin bronze is very resistant to corrosion in the atmosphere, sea water, fresh water and steam. It is widely used in various types. Wear-resistant bushings, bushings, flanges and gears, especially for high-speed rail equipment. In addition, with the rapid development of China's high-speed railway, the manufacture of high-speed locomotives requires large quantities of high-performance alloys or composite materials, and tin bronze with superior casting properties will be a necessary choice, but its performance can only be met if further mentioned. The corresponding requirements.
- the present invention provides a copper-based composite material applied to a locomotive engine component and a preparation method thereof, which can improve the strength and hardness of the composite material.
- a method for preparing a copper-based composite material applied to a locomotive engine component comprising: the following steps:
- the titanium boride with a purity greater than 99% after the completion of the screening 2 to 3%, is added to the surface of the alloy solution after the completion of the heat preservation, and the stirring device is turned on, the stirring rate is 500 rpm, and the stirring is performed.
- the time is 5 to 10 minutes;
- the high-purity flaky graphite powder is covered on the stirred solution to prevent oxidation thereof, the thickness is about 2 to 3 cm, and the insulation is continued;
- the sample is taken by spectral and chemical analysis methods, and the material composition is detected and determined within the set range;
- the package is incorporated into the library.
- step 1) mass percentage of each component in the step 1) is: ⁇ : 5.3%, tin: 8.3%, zinc: 1.5%, nickel: 0.8%, phosphorus: 0.2%, copper: balance, step 2)
- the mass percentage of titanium boride is: 2.3%.
- step 1) mass percentage of each component in the step 1) is: ⁇ : 5.7%, tin: 8.7%, zinc: 2%, nickel: 1%, phosphorus: 0.3%, copper: balance, step 2)
- the mass percentage of titanium boride is 2.5%.
- step 1) mass percentage of each component in the step 1) is: ⁇ : 6%, tin: 9%, zinc: 2.5%, nickel: 1.3%, phosphorus: 0.4%, copper: balance, step 2)
- the mass percentage of titanium boride is 2.8%.
- the present invention also provides a copper-based composite material for use in locomotive engine components, which is prepared using the methods described above.
- the invention has the beneficial effects that the titanium boride material is evenly distributed in the solution of copper, bismuth, tin, zinc, nickel and phosphorus alloy by certain technical means, and the high hardness property of the titanium boride is utilized to realize the alloy material. Further improvement in performance.
- the composite alloy new material obtained by the invention has higher strength and hardness, so as to meet the requirements of materials in the application of the locomotive engine.
- a method for preparing a copper-based composite material for use in a locomotive engine component comprising the following steps:
- the purity of the titanium boride is more than 99%: 2.3%, added to the surface of the alloy solution after the heat preservation is completed, and the stirring device is turned on, the stirring rate is 500 rpm, and the stirring time is 5 to 10 minutes;
- the high-purity flaky graphite powder is covered on the stirred solution to prevent oxidation thereof, the thickness is about 2 to 3 cm, and the insulation is continued;
- the sample is taken by spectral and chemical analysis methods, and the material composition is detected and determined within the set range;
- the package is incorporated into the library.
- Example 2 and Example 1 differ only in the raw material ratio, and the other aspects are the same. Therefore, only the differences will be explained below.
- the mass percentage of each component in the step 1) is: ⁇ : 5.7%, tin: 8.7%, zinc: 2%, nickel: 1%, phosphorus: 0.3%, copper: balance.
- the mass percentage of titanium boride in step 2) is: 2.5%.
- Example 3 and Examples 1 and 2 differ only in the raw material ratio, and the other aspects are the same. Therefore, only the differences will be explained below.
- the mass percentage of each component in the step 1) is: ⁇ : 6%, tin: 9%, zinc: 2.5%, nickel: 1.3%, phosphorus: 0.4%, copper: balance.
- the mass percentage in step 2) is titanium boride: 2.8%.
- the hardness and tensile strength of the composite alloy rod of the present invention are improved.
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- Engineering & Computer Science (AREA)
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- Manufacture Of Alloys Or Alloy Compounds (AREA)
Abstract
Disclosed is a preparation method for a copper-based composite material used in a locomotive engine component. The preparation method comprises the following steps: placing, by mass percent, 5%-6.5% of antimony, 8%-9.5% of tin, 1%-3% of zinc, 0.5%-1.5% of nickel, 0.1%-0.5% of phosphorus, and the balance of copper into a 500 kg medium frequency induction furnace, and heating same to 1,100 degrees centigrade to 1,150 degrees centigrade, wherein the smelting time is 1.5-2 hours; and at the same time, using a high-temperature-resistant graphite rod to fully stir a completely melted alloy liquid, and maintaining the temperature at 1,080 degrees centigrade after the alloy is completely melted, wherein the time for heat preservation and standing is 20-25 minutes.
Description
本发明涉及合金材料领域，尤其涉及一种应用于机车引擎部件的铜基复合材料及其制备方法。The invention relates to the field of alloy materials, in particular to a copper matrix composite material applied to locomotive engine parts and a preparation method thereof.
硼化钛是硼和钛最稳定的化合物，以其价键形式结合，属六方晶系的准金属化合物。硼化钛内部类似于石墨的硼原子层状结构和钛外层电子决定了硼化钛具有良好的导电性和金属光泽，而硼原子面和钛原子面之间Ti-B键决定了这种材料的高硬度和脆性的特点。因此，硼化钛可作为多元复合材料的重要组元，与多种金属或非金属材料组成复合材料，制作各种耐高温部件及功能部件，如高温坩埚、引擎部件等。Titanium boride is the most stable compound of boron and titanium, and is bonded in the form of its valence bond to a hexagonal metalloid compound. The boron atomic layer structure similar to graphite inside the titanium boride and the outer layer electron of titanium determine that the titanium boride has good electrical conductivity and metallic luster, and the Ti-B bond between the boron atomic plane and the titanium atomic plane determines this. The material is characterized by high hardness and brittleness. Therefore, titanium boride can be used as an important component of multi-component composite materials, and composite materials with various metal or non-metal materials to produce various high-temperature resistant parts and functional parts, such as high temperature crucibles and engine parts.
锡青铜是铸造收缩率最小的有色金属合金，用来生产形状复杂、轮廓清晰、气密性要求不高的铸件，锡青铜在大气、海水、淡水和蒸汽中十分耐蚀，广泛应用于各类耐磨轴瓦、轴套、法兰及齿轮等方面，尤其用于高速铁路装备。另外，随着我国高速铁路的迅速发展发展，高速机车的制造需要大批量高性能的合金或者复合材料，而可铸造性能优越的锡青铜将是必要的选择，但是其性能只有进一步提到才能满足相应的要求。Tin bronze is the non-ferrous metal alloy with the smallest casting shrinkage. It is used to produce castings with complex shapes, clear outlines and low air tightness. Tin bronze is very resistant to corrosion in the atmosphere, sea water, fresh water and steam. It is widely used in various types. Wear-resistant bushings, bushings, flanges and gears, especially for high-speed rail equipment. In addition, with the rapid development of China's high-speed railway, the manufacture of high-speed locomotives requires large quantities of high-performance alloys or composite materials, and tin bronze with superior casting properties will be a necessary choice, but its performance can only be met if further mentioned. The corresponding requirements.
发明内容Summary of the invention
为了解决上述问题，本发明提供了一种应用于机车引擎部件的铜基复合材料及其制备方法，能够提高复合材料的强度和硬度。In order to solve the above problems, the present invention provides a copper-based composite material applied to a locomotive engine component and a preparation method thereof, which can improve the strength and hardness of the composite material.
本发明的技术方案是这样实现的：
The technical solution of the present invention is implemented as follows:
一种应用于机车引擎部件的铜基复合材料的制备方法，其特征在于：包含如下步骤：A method for preparing a copper-based composite material applied to a locomotive engine component, comprising: the following steps:
1)、按质量百分比计，将锑：5～6.5％、锡：8～9.5％﹑锌:1～3％、镍：0.5～1.5％、磷：0.1～0.5％、铜：余量，置于500公斤中频电炉内，加热至1100度～1150度，熔炼时间为1.5～2小时；同时用耐高温石墨棒将完全熔化的合金液体充分搅拌，合金完全熔化后保温至1080度，保温静置时间为20～25分钟；1), in terms of mass percentage, 锑: 5 to 6.5%, tin: 8 to 9.5%, zinc: 1 to 3%, nickel: 0.5 to 1.5%, phosphorus: 0.1 to 0.5%, copper: balance, In a 500 kg medium frequency electric furnace, heating to 1100 degrees to 1150 degrees, the melting time is 1.5 to 2 hours; at the same time, the fully melted alloy liquid is fully stirred with a high temperature resistant graphite rod, the alloy is completely melted, and then kept to 1080 degrees, and the heat is allowed to stand. The time is 20 to 25 minutes;
2)、按质量百分比计，将筛选完成后的纯度大于99％的硼化钛：2～3％，添加到保温完成的合金溶液表面，并开启搅拌装置，搅拌速率为500转/分钟，搅拌时间为5～10分钟；2) According to the mass percentage, the titanium boride with a purity greater than 99% after the completion of the screening: 2 to 3%, is added to the surface of the alloy solution after the completion of the heat preservation, and the stirring device is turned on, the stirring rate is 500 rpm, and the stirring is performed. The time is 5 to 10 minutes;
3)、在搅拌完成的溶液上面覆盖高纯度鳞片状石墨粉以防止其氧化，厚度约为2～3厘米，并继续保温；3), the high-purity flaky graphite powder is covered on the stirred solution to prevent oxidation thereof, the thickness is about 2 to 3 cm, and the insulation is continued;
4)、保温时间20～25分钟后，取样品采用光谱与化学分析方法，对材料成分进行检测，已确定在设定范围之内；4) After the holding time is 20 to 25 minutes, the sample is taken by spectral and chemical analysis methods, and the material composition is detected and determined within the set range;
5)、重新升温至1200度，并开启中频电炉的振动装置，振动频率为10次/秒；并采用浇铸的方式将复合材料铸造为重量10～12公斤的块状，以便根据机车引擎的需要进一步再加工；5), re-heating to 1200 degrees, and open the vibration device of the intermediate frequency electric furnace, the vibration frequency is 10 times / sec; and casting the composite material into a block weight of 10 ~ 12 kg, in order to meet the needs of the locomotive engine Further reprocessing;
6)、包装并入库。6), the package is incorporated into the library.
进一步地，步骤1)中的各组分的质量百分数为：锑：5.3％，锡：8.3％，锌:1.5％,镍：0.8％，磷：0.2％，铜：余量，步骤2)中的硼化钛的质量百分比为：2.3％。Further, the mass percentage of each component in the step 1) is: 锑: 5.3%, tin: 8.3%, zinc: 1.5%, nickel: 0.8%, phosphorus: 0.2%, copper: balance, step 2) The mass percentage of titanium boride is: 2.3%.
进一步地，步骤1)中的各组分的质量百分数为：锑：5.7％，锡：8.7％，锌:2％,镍：1％，磷：0.3％，铜：余量，步骤2)中的硼化钛的质量百分比为：2.5％。Further, the mass percentage of each component in the step 1) is: 锑: 5.7%, tin: 8.7%, zinc: 2%, nickel: 1%, phosphorus: 0.3%, copper: balance, step 2) The mass percentage of titanium boride is 2.5%.
进一步地，步骤1)中的各组分的质量百分数为：锑：6％，锡：9％，锌:2.5％,镍：1.3％，磷：0.4％，铜：余量，步骤2)中的硼化钛的质量百分比为：2.8％。
Further, the mass percentage of each component in the step 1) is: 锑: 6%, tin: 9%, zinc: 2.5%, nickel: 1.3%, phosphorus: 0.4%, copper: balance, step 2) The mass percentage of titanium boride is 2.8%.
本发明还提供一种应用于机车引擎部件的铜基复合材料，所述材料采用前述的方法来制备。The present invention also provides a copper-based composite material for use in locomotive engine components, which is prepared using the methods described above.
本发明的有益效果为：本发明将硼化钛材料通过一定的技术手段均匀分布在铜、锑、锡、锌、镍、磷合金溶液当中，利用硼化钛高硬度的性能，实现合金材料的性能的进一步提升。本发明所得到的复合合金新材料具有更高的强度﹑硬度，从而满足材料在机车引擎中应用的要求。The invention has the beneficial effects that the titanium boride material is evenly distributed in the solution of copper, bismuth, tin, zinc, nickel and phosphorus alloy by certain technical means, and the high hardness property of the titanium boride is utilized to realize the alloy material. Further improvement in performance. The composite alloy new material obtained by the invention has higher strength and hardness, so as to meet the requirements of materials in the application of the locomotive engine.
下面将结合本发明实施例，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
实施例1Example 1
一种应用于机车引擎部件的铜基复合材料的制备方法，它包含如下步骤：A method for preparing a copper-based composite material for use in a locomotive engine component, comprising the following steps:
1)、按照配比将锑：5.3％，锡：8.3％，锌:1.5％,镍：0.8％，磷：0.2％，铜：余量的质量百分比，配置原料，并置于500公斤中频电炉内，加热至1100度～1150度，熔炼时间为1.5～2小时；同时用耐高温石墨棒将完全熔化的合金液体充分搅拌，合金完全熔化后保温至1080度，保温静置时间为20～25分钟；1) According to the ratio, 锑: 5.3%, tin: 8.3%, zinc: 1.5%, nickel: 0.8%, phosphorus: 0.2%, copper: the mass percentage of the balance, the raw materials are placed, and placed in a 500 kg medium frequency electric furnace Inside, heated to 1100 degrees to 1150 degrees, the melting time is 1.5 to 2 hours; at the same time, the fully melted alloy liquid is fully stirred with a high temperature resistant graphite rod, the alloy is completely melted and then kept to 1080 degrees, and the heat retention time is 20-25. minute;
2)、将筛选完成后的纯度大于99％的硼化钛：2.3％，以质量百分比计，添加到保温完成的合金溶液表面，并开启搅拌装置，搅拌速率为500转/分钟，搅拌时间为5～10分钟；2), after the screening is completed, the purity of the titanium boride is more than 99%: 2.3%, added to the surface of the alloy solution after the heat preservation is completed, and the stirring device is turned on, the stirring rate is 500 rpm, and the stirring time is 5 to 10 minutes;
3)、在搅拌完成的溶液上面覆盖高纯度鳞片状石墨粉以防止其氧化，厚度约为2～3厘米，并继续保温；3), the high-purity flaky graphite powder is covered on the stirred solution to prevent oxidation thereof, the thickness is about 2 to 3 cm, and the insulation is continued;
4)、保温时间20～25分钟后，取样品采用光谱与化学分析方法，对材料成分进行检测，已确定在设定范围之内；4) After the holding time is 20 to 25 minutes, the sample is taken by spectral and chemical analysis methods, and the material composition is detected and determined within the set range;
5)、重新升温至1200度，并开启中频电炉的振动装置，振动频率为
10次/秒；并采用浇铸的方式将复合材料铸造为重量10～12公斤的块状，以便根据机车引擎的需要进一步再加工；5), re-heating to 1200 degrees, and turn on the vibration device of the intermediate frequency electric furnace, the vibration frequency is
10 times / sec; and casting the composite material into a block weight of 10 ~ 12 kg, in order to further rework according to the needs of the locomotive engine;
6)、包装并入库。6), the package is incorporated into the library.
实施例2Example 2
实施例2与实施例1仅仅在原料配比方面是不同的，其他方面是相同的。因此，以下将仅就不同之处进行说明。Example 2 and Example 1 differ only in the raw material ratio, and the other aspects are the same. Therefore, only the differences will be explained below.
步骤1)中的各成分的质量百分比为：锑：5.7％，锡：8.7％，锌:2％,镍：1％，磷：0.3％，铜：余量。The mass percentage of each component in the step 1) is: 锑: 5.7%, tin: 8.7%, zinc: 2%, nickel: 1%, phosphorus: 0.3%, copper: balance.
步骤2)中的硼化钛的质量百分比为：2.5％。The mass percentage of titanium boride in step 2) is: 2.5%.
根据本实施例2，能够起到与实施例1基本相同的效果。According to the second embodiment, substantially the same effects as those of the first embodiment can be obtained.
实施例3Example 3
实施例3与实施例1和2仅仅在原料配比方面是不同的，其他方面是相同的。因此，以下将仅就不同之处进行说明。Example 3 and Examples 1 and 2 differ only in the raw material ratio, and the other aspects are the same. Therefore, only the differences will be explained below.
步骤1)中的各成分的质量百分比为：锑：6％，锡：9％，锌:2.5％,镍：1.3％，磷：0.4％，铜：余量。The mass percentage of each component in the step 1) is: 锑: 6%, tin: 9%, zinc: 2.5%, nickel: 1.3%, phosphorus: 0.4%, copper: balance.
步骤2)中的的质量百分比为硼化钛：2.8％。The mass percentage in step 2) is titanium boride: 2.8%.
根据本实施例3，能够起到与实施例1和2基本相同的效果。According to the third embodiment, substantially the same effects as those of the first and second embodiments can be achieved.
本发明复合材料材料性能与传统锡青铜性能对比表Comparison of properties of composite material materials and traditional tin bronze of the present invention
由上表可知，本发明复合材料合金棒的硬度和抗拉强度，都得到了提高。As can be seen from the above table, the hardness and tensile strength of the composite alloy rod of the present invention are improved.
以上所述实施例仅表达了本发明的实施方式，其描述较为具体和详
细，但并不能因此而理解为对本发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。
The embodiments described above merely express the embodiments of the present invention, and the description thereof is more specific and detailed.
It is not to be construed as limiting the scope of the invention. It should be noted that a number of variations and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. Therefore, the scope of the invention should be determined by the appended claims.
Claims (5)
- 一种应用于机车引擎部件的铜基复合材料的制备方法，其特征在于：包含如下步骤：A method for preparing a copper-based composite material applied to a locomotive engine component, comprising: the following steps:1)、按质量百分比计，将锑：5～6.5％、锡：8～9.5％﹑锌:1～3％、镍：0.5～1.5％、磷：0.1～0.5％、铜：余量，置于500公斤中频电炉内，加热至1100度～1150度，熔炼时间为1.5～2小时；同时用耐高温石墨棒将完全熔化的合金液体充分搅拌，合金完全熔化后保温至1080度，保温静置时间为20～25分钟；1), in terms of mass percentage, 锑: 5 to 6.5%, tin: 8 to 9.5%, zinc: 1 to 3%, nickel: 0.5 to 1.5%, phosphorus: 0.1 to 0.5%, copper: balance, In a 500 kg medium frequency electric furnace, heating to 1100 degrees to 1150 degrees, the melting time is 1.5 to 2 hours; at the same time, the fully melted alloy liquid is fully stirred with a high temperature resistant graphite rod, the alloy is completely melted, and then kept to 1080 degrees, and the heat is allowed to stand. The time is 20 to 25 minutes;2)、按质量百分比计，将筛选完成后的纯度大于99％的硼化钛：2～3％，添加到保温完成的合金溶液表面，并开启搅拌装置，搅拌速率为500转/分钟，搅拌时间为5～10分钟；2) According to the mass percentage, the titanium boride with a purity greater than 99% after the completion of the screening: 2 to 3%, is added to the surface of the alloy solution after the completion of the heat preservation, and the stirring device is turned on, the stirring rate is 500 rpm, and the stirring is performed. The time is 5 to 10 minutes;3)、在搅拌完成的溶液上面覆盖高纯度鳞片状石墨粉以防止其氧化，厚度约为2～3厘米，并继续保温；3), the high-purity flaky graphite powder is covered on the stirred solution to prevent oxidation thereof, the thickness is about 2 to 3 cm, and the insulation is continued;4)、保温时间20～25分钟后，取样品采用光谱与化学分析方法，对材料成分进行检测，已确定在设定范围之内；4) After the holding time is 20 to 25 minutes, the sample is taken by spectral and chemical analysis methods, and the material composition is detected and determined within the set range;5)、重新升温至1200度，并开启中频电炉的振动装置，振动频率为10次/秒；并采用浇铸的方式将复合材料铸造为重量10～12公斤的块状，以便根据机车引擎的需要进一步再加工；5), re-heating to 1200 degrees, and open the vibration device of the intermediate frequency electric furnace, the vibration frequency is 10 times / sec; and casting the composite material into a block weight of 10 ~ 12 kg, in order to meet the needs of the locomotive engine Further reprocessing;6)、包装并入库。6), the package is incorporated into the library.
- 根据权利要求1所述的应用于机车引擎部件的铜基复合材料的制备方法，其特征在于：步骤1)中的各组分的质量百分数为：锑：5.3％，锡：8.3％，锌:1.5％,镍：0.8％，磷：0.2％，铜：余量，步骤2)中的硼化钛的质量百分比为：2.3％。The method for preparing a copper-based composite material for use in a locomotive engine component according to claim 1, wherein the mass percentage of each component in the step 1) is: 锑: 5.3%, tin: 8.3%, zinc: 1.5%, nickel: 0.8%, phosphorus: 0.2%, copper: balance, the mass percentage of titanium boride in step 2) is: 2.3%.
- 根据权利要求1所述的应用于机车引擎部件的铜基复合材料的制备方法，其特征在于：步骤1)中的各组分的质量百分数为：锑：5.7％，锡：8.7％，锌:2％,镍：1％，磷：0.3％，铜：余量，步骤2)中的硼化钛 的质量百分比为：2.5％。The method for preparing a copper-based composite material for use in a locomotive engine component according to claim 1, wherein the mass percentage of each component in the step 1) is: 锑: 5.7%, tin: 8.7%, zinc: 2%, nickel: 1%, phosphorus: 0.3%, copper: balance, titanium boride in step 2) The mass percentage is: 2.5%.
- 根据权利要求1所述的应用于机车引擎部件的铜基复合材料的制备方法，其特征在于：步骤1)中的各组分的质量百分数为：锑：6％，锡：9％，锌:2.5％,镍：1.3％，磷：0.4％，铜：余量，步骤2)中的硼化钛的质量百分比为：2.8％。The method for preparing a copper-based composite material for use in a locomotive engine component according to claim 1, wherein the mass percentage of each component in the step 1) is: 锑: 6%, tin: 9%, zinc: 2.5%, nickel: 1.3%, phosphorus: 0.4%, copper: balance, the mass percentage of titanium boride in step 2) is: 2.8%.
- 一种应用于机车引擎部件的铜基复合材料，其特征在于：所述材料采用权利要求1-4中任一项所述的方法制备。 A copper-based composite material for use in a locomotive engine component, characterized in that the material is produced by the method of any one of claims 1-4.
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| CN106119598A (en) * | 2016-08-09 | 2016-11-16 | 苏州天兼新材料科技有限公司 | A kind of Cu-base composites being applied to locomotive engine parts and preparation method thereof |
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| CN1121503C (en) * | 2001-11-08 | 2003-09-17 | 上海威嘉金属材料有限公司 | Rareearth containing tin brass pipe and making method thereof |
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| CN104388748A (en) * | 2014-11-27 | 2015-03-04 | 恒吉集团有限公司 | Free-cutting, corrosion-resistant and hot-forgeable tin bronze |
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| JPS6250425A (en) * | 1985-08-29 | 1987-03-05 | Furukawa Electric Co Ltd:The | Copper alloy for electronic appliance |
| CN105296794A (en) * | 2015-10-30 | 2016-02-03 | 苏州列治埃盟新材料技术转移有限公司 | Titanium-carbide-enhanced lead-free tin-copper alloy bar and preparation method thereof |
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