CN106756220A - A kind of acid bronze alloy rod for express locomotive gearbox and preparation method thereof - Google Patents
A kind of acid bronze alloy rod for express locomotive gearbox and preparation method thereof Download PDFInfo
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- CN106756220A CN106756220A CN201611156588.5A CN201611156588A CN106756220A CN 106756220 A CN106756220 A CN 106756220A CN 201611156588 A CN201611156588 A CN 201611156588A CN 106756220 A CN106756220 A CN 106756220A
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- acid bronze
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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
- C22C9/04—Alloys based on copper with zinc 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
- C22C1/10—Alloys containing non-metals
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0047—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents
- C22C32/0052—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents only carbides
- C22C32/0063—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents only carbides based on SiC
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
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- Manufacture Of Alloys Or Alloy Compounds (AREA)
Abstract
The invention provides a kind of acid bronze alloy rod for express locomotive gearbox, it is made up of the component of following percetage by weight：Nickel-plated carbon SiClx 0.5 1%, antimony 1 2%, tin 4 5.5%, zinc 6 7%, balance of copper.The present invention should provide a kind of preparation method of acid bronze alloy rod for express locomotive gearbox.Be evenly distributed on nickel-plated carbon SiClx in molten alloy liquid by the present invention, by the silicon-carbide particle of nickel plating, it is easier to mix in a liquid with metal material with wetting is easier, easily even dispersion is distributed in the characteristics of in the middle of alloy, so that for the making of composite provides easier mode of operation；And the carborundum of nickel plating still has high rigidity, the performance of high-wearing feature, produced with reference to appropriate temperature and be fully able to replace the tin bronze alloys rod containing lead element, environmentally harmful lead is not remove only, and the mechanical performance of final nickel-plated carbon SiClx enhancing acid bronze alloy rod also improves a lot.
Description
Technical field
The present invention relates to alloy bar material field, and in particular to a kind of acid bronze alloy rod for express locomotive gearbox and its
Preparation method.
Background technology
Tin bronze is the minimum non-ferrous alloy of shrinkage coefficient, for producing complex-shaped, clear-cut, air-tightness
Less demanding casting, tin bronze is very anti-corrosion in air, seawater, fresh water and steam, be widely used in all kinds of abrasion-proof bearing bush,
The aspects such as axle sleeve, flange and gear, particularly for high-speed railway equipment.In order to lift the free-cutting machinability of high-tin bronze alloy bar
Can, lead element is often added in bar, the high-tin bronze alloy bar after leading has wearability high and Cutting free is processed, quilt
Widely use.However, leaded high-tin bronze alloy bar can be impacted to environment, with the continuous improvement of people's environmental consciousness,
Bell metal rod containing lead element can not meet the requirement of domestic and international high-end market, can not especially meet China's fast development
The requirement of high-speed railway locomotive parts.In addition, with industrial expansion, the alloy rigidity of tin bronze need to be improved further.
Carborundum has purity high, and particle diameter is small, is evenly distributed, and specific surface area is big, high surface, low excellent of apparent density
Point.And carborundum has fabulous mechanics, calorifics, electricity and chemical property, i.e., with high rigidity, high-wearing feature and it is good from
The features such as lubrication, high thermoconductivity, low thermal coefficient of expansion and big elevated temperature strength.
The content of the invention
In order to solve the above-mentioned technical problem, it is an object of the invention to provide a kind of for the copper-based of express locomotive gearbox
Alloy bar and preparation method thereof, the series of advantages such as nickel-plated carbon SiClx hardness is high, wearability is good, be easily wetted, be not added to
In the case of this, environmentally harmful lead, and final mechanicalness of the SiC reinforcement without lead-tin-copper alloy rod are not remove only
Can also improve a lot.
In order to realize foregoing invention purpose, the technical solution adopted by the present invention is as follows：
According to the present invention, there is provided a kind of acid bronze alloy rod for express locomotive gearbox, by following percetage by weight
Component is constituted：Nickel-plated carbon SiClx 0.5-1%, antimony 1-2%, tin 4-5.5%, zinc 6-7%, balance of copper.
Further, a kind of acid bronze alloy rod for express locomotive gearbox by following percetage by weight component group
Into：Nickel-plated carbon SiClx 0.5%, antimony 1%, tin 4%, zinc 6%, balance of copper.
Further, a kind of acid bronze alloy rod for express locomotive gearbox by following percetage by weight component group
Into：Nickel-plated carbon SiClx 1%, antimony 2%, tin 5.5%, zinc 7%, balance of copper.
Further, a kind of acid bronze alloy rod for express locomotive gearbox by following percetage by weight component group
Into：Nickel-plated carbon SiClx 0.7%, antimony 1.5%, tin 5%, zinc 6.6%, balance of copper.
Further, the Nickel-plated carbon silicon grain footpath is 50 μm -100 μm.
According to the present invention, there is provided a kind of preparation side of the acid bronze alloy rod for being used for express locomotive gearbox as described above
Method, comprises the following steps：
1) according to cathode copper, tin, antimony, zinc are placed in electric furnace with weight/power ratio described in any one in claim 1-4,
It is heated to 1100-1200 DEG C；Until completely melted, the alloy liquid that will be completely melt is sufficiently stirred for and is incubated to 1080 DEG C；
2) nickel-plated carbon SiClx is added to step 1 with weight/power ratio according to described in any one in claim 1-4) in
In the middle of molten alloy liquid, and open agitating device；
3) by step 2) in be mixed with above the alloy molten liquid of nickel-plated carbon SiClx covering high-purity flaky graphite powder
To prevent it from aoxidizing, it is incubated at 1080 DEG C of temperature, soaking time is 10-15min；
4) further it is warming up to 1200 DEG C again, and opens the vibrating device of main frequency furnace, is cast using horizontal continuous casting method
It is made the solid alloy bar of given size；
5) will cast the alloy bar material for completing carries out 150-200 DEG C of process annealing using continuous annealing furnace；
6) after the alloy bar of completion of annealing is cooled down at normal temperatures, concentration is put into enter traveling one in the 5%NaCl aqueous solution
Step cooling obtains the acid bronze alloy rod for express locomotive gearbox.
Further, step 3) in carry out the stirring tool for high temperature resistant graphite rod.
Further, step 3) described in high-purity flaky graphite powder thickness be 5-7cm.
Further, step 1) heat time be 2-2.5h, soaking time is 20-25min.
Further, step 4) in vibration frequency be 1 time/second.
The beneficial effects of the invention are as follows：
Be evenly distributed on nickel-plated carbon SiClx in molten alloy liquid by the present invention, by the silicon-carbide particle of nickel plating, has
Easily wetting is easier to mix in a liquid with metal material, it is easier to which even dispersion is distributed in the characteristics of in the middle of alloy, from
And for the making of composite provides easier mode of operation；And the carborundum of nickel plating still has high rigidity, high abrasion
Property and good self-lubricating and the big performance of elevated temperature strength, produced with reference to appropriate temperature be fully able to substitution containing lead unit
The tin bronze alloys rod of element, environmentally harmful lead is not remove only, and final nickel-plated carbon SiClx strengthens acid bronze alloy rod
Mechanical performance also improves a lot.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiment, to the present invention
It is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the present invention, limit is not used to
The fixed present invention.
Embodiment 1
A kind of acid bronze alloy rod for express locomotive gearbox, is made up of the component of following percetage by weight：Nickel-plated carbon
SiClx 0.5%, antimony 1%, tin 4%, zinc 6%, wherein balance of copper, Nickel-plated carbon silicon grain footpath are 50 μm -100 μm.
The preparation process of wherein nickel-plated carbon SiClx is：
Step one：Activation silicon-carbide particle：40g silicon-carbide particles (average grain diameter is 5 μm) are added into nickel acetate and boron hydrogen
Change in the alcoholic solution (ethanol of 12g nickel acetates, 4g sodium borohydrides and 1L) of sodium, normal temperature is stirred after stabilizer 10%NaOH solution is added dropwise
30min is mixed, mixing speed is 400r/min, form mixture one；
Step 2：The mixture one that completion will be activated in step one is staticly settled, and is precipitated with distillation water washing after filtering, is washed
Filtered after the completion of washing and dried at 70-80 DEG C；
Step 3, chemical nickel plating：By 26g nickel sulfate hexahydrates (main salt), the waterside sodium phosphites (reducing agent) of 20g mono-, 44g lemons
Lemon acid (complexing agent) and 66g ammonium sulfate (buffer) are added in beaker, and add distilled water until solid matter all dissolvings, shape
Into plating solution.
Form mixed during the activation silicon-carbide particle and trace stabilizer thiocarbamide of 5g drying in step 2 are added into above-mentioned plating solution
Compound two, by the heating water bath of mixture two and stirs (heating-up temperature be 40 DEG C, mixing speed is 400r/min), and is stirred in heating
The pH value that NaOH solution regulation mixture two is added while mixing is 9；
Step 4：The mixture two that chemical nickel plating in step 3 is completed is staticly settled, is sunk with distillation water washing after filtering
Form sediment, filtered after the completion of washing and drying obtains Nickel-plated carbon silicon grain at 70-80 DEG C.
The acid bronze alloy rod for express locomotive gearbox above-mentioned in the present embodiment is obtained by following steps：
1) it is placed in electric furnace according to said ratio weight cathode copper, tin, antimony, zinc, is heated to 1100-1200 DEG C, during heating
Between be 2-2.5h；Until completely melted, the alloy liquid that will be completely melt be sufficiently stirred for using high temperature resistant graphite rod and be incubated to
1080 DEG C, soaking time is 20-25min；
2) nickel-plated carbon SiClx is added to step 1 according to said ratio weight) in molten alloy liquid in the middle of, and open
Agitating device, stir speed (S.S.) is 300 revs/min, and mixing time is 10-15min；
3) by step 2) in be mixed with cladding thickness above the alloy molten liquid of nickel-plated carbon SiClx be the high-purity of 5-7cm
Flaky graphite powder is incubated with preventing it from aoxidizing at 1080 DEG C of temperature, and soaking time is 10-15min；
4) further it is warming up to 1200 DEG C again, and opens the vibrating device of main frequency furnace, vibration frequency is 1 time/second, is adopted
The solid alloy bar for being made diameter 15-200mm and length 2000mm is cast with horizontal continuous casting method；
5) will cast the alloy bar material for completing carries out 150-200 DEG C of process annealing using continuous annealing furnace, during annealing
Between be 30-40min；
6) after the alloy bar of completion of annealing being cooled down into 10-15min at normal temperatures, concentration is put into in the 5%NaCl aqueous solution
Further cooled down, its hardness is further lifted, finally obtained the acid bronze alloy rod for express locomotive gearbox.
According to corresponding demand, the copper-based conjunction for express locomotive gearbox that can be cooled down to completion using smooth turning lathe
Golden rod is surface-treated, and diameter tolerance is +/- 0.03mm, and length scaling is 1000mm, and tolerance is+1/-0mm.
Embodiment 2
A kind of acid bronze alloy rod for express locomotive gearbox, is made up of the component of following percetage by weight：Nickel-plated carbon
SiClx 1%, antimony 2%, tin 5.5%, zinc 7%, wherein balance of copper, Nickel-plated carbon silicon grain footpath are 50 μm -100 μm.
The above-mentioned acid bronze alloy rod for express locomotive gearbox is obtained by method same as Example 1.
Embodiment 3
A kind of acid bronze alloy rod for express locomotive gearbox, is made up of the component of following percetage by weight：Nickel-plated carbon
SiClx 0.7%, antimony 1.5%, tin 5%, zinc 6.6%, wherein balance of copper, Nickel-plated carbon silicon grain footpath are 50 μm -100 μm.
The above-mentioned acid bronze alloy rod for express locomotive gearbox is obtained by method same as Example 1.
Comparative example 1
In a comparative example, traditional lead-tin-copper alloy rod is made up of the component of following percetage by weight：Zinc 6%, tin 5%,
Lead 3%, balance of copper.
By traditional Technology for Heating Processing, i.e., the Technology for Heating Processing such as anneal repeatedly, be tempered and quench prepares above-mentioned lead
Tin copper alloy material.
Comparative example 2
In a comparative example, traditional lead-tin-copper alloy rod is made up of the component of following percetage by weight：Zinc 5%, tin 4%,
Lead 6%, balance of copper.
By traditional Technology for Heating Processing, i.e., the Technology for Heating Processing such as anneal repeatedly, be tempered and quench prepares above-mentioned lead
Tin copper alloy material.
The mechanical property concrete outcome of the alloy bar material obtained by embodiments of the invention 1-3 and comparative example 1-2 such as table 1 below institute
Show：
Table 1
Data according to above-mentioned table 1 can be seen that the present invention by the carbofrax material of nickel plating by certain technological means
It is evenly distributed in the middle of copper, antimony, tin, zinc alloy solution, using carborundum high rigidity, high-wearing feature and good self-lubricating and height
The big performance of warm intensity, realizes the further lifting of the performance of alloy material.Composite alloy rod and tradition obtained by the present invention
Lead-tin-copper alloy rod compared to have intensity higher, hardness, applied in high-speed railway locomotive parts so as to meet material
Requirement.
On above-described instrument and operating procedure and parameter, it should be understood that its for descriptive and non-limiting,
Modification can be made in the scope described in description above and claim by way of equivalent replacement.That is, model of the invention
Enclose the four corner that should refer to appended claims and determine, determine rather than with reference to explanation above.In a word, it should be understood that
It is that the present invention can carry out various amendments and change.
Claims (10)
1. a kind of acid bronze alloy rod for express locomotive gearbox, it is characterised in that by the component group of following percetage by weight
Into：Nickel-plated carbon SiClx 0.5-1%, antimony 1-2%, tin 4-5.5%, zinc 6-7%, balance of copper.
2. the acid bronze alloy rod for express locomotive gearbox according to claim 1, it is characterised in that by following weight
The component composition of percentage：Nickel-plated carbon SiClx 0.5%, antimony 1%, tin 4%, zinc 6%, balance of copper.
3. the acid bronze alloy rod for express locomotive gearbox according to claim 1, it is characterised in that by following weight
The component composition of percentage：Nickel-plated carbon SiClx 1%, antimony 2%, tin 5.5%, zinc 7%, balance of copper.
4. the acid bronze alloy rod for express locomotive gearbox according to claim 1, it is characterised in that by following weight
The component composition of percentage：Nickel-plated carbon SiClx 0.7%, antimony 1.5%, tin 5%, zinc 6.6%, balance of copper.
5. the acid bronze alloy rod for express locomotive gearbox according to any one in claim 1-4, its feature exists
In the Nickel-plated carbon silicon grain footpath is 50 μm -100 μm.
6. the preparation side of the acid bronze alloy rod for express locomotive gearbox in a kind of claim 1-5 described in any one
Method, it is characterised in that comprise the following steps：
1) according to cathode copper, tin, antimony, zinc are placed in electric furnace with weight/power ratio described in any one in claim 1-4, heating
To 1100-1200 DEG C；Until completely melted, the alloy liquid that will be completely melt is sufficiently stirred for and is incubated to 1080 DEG C；
2) nickel-plated carbon SiClx is added to step 1 with weight/power ratio according to described in any one in claim 1-4) in melting
In the middle of alloy liquid, and open agitating device；
3) by step 2) in be mixed with above the alloy molten liquid of nickel-plated carbon SiClx cover high-purity flaky graphite powder in case
Only its oxidation, is incubated at 1080 DEG C of temperature, and soaking time is 10-15min；
4) further it is warming up to 1200 DEG C again, and opens the vibrating device of main frequency furnace, is made of horizontal continuous casting method casting
The solid alloy bar of given size；
5) will cast the alloy bar material for completing carries out 150-200 DEG C of process annealing using continuous annealing furnace；
6) after the alloy bar of completion of annealing is cooled down at normal temperatures, it is further cold to be carried out in the 5%NaCl aqueous solution to be put into concentration
But the acid bronze alloy rod for express locomotive gearbox is obtained.
7. the preparation method of the acid bronze alloy rod for express locomotive gearbox according to claim 6, it is characterised in that
Step 3) in carry out the stirring tool for high temperature resistant graphite rod.
8. the preparation method of the acid bronze alloy rod for express locomotive gearbox according to claim 6, it is characterised in that
Step 3) described in high-purity flaky graphite powder thickness be 5-7cm.
9. the preparation method of the acid bronze alloy rod for express locomotive gearbox according to claim 6, it is characterised in that
Step 1) heat time be 2-2.5h, soaking time is 20-25min.
10. the preparation method of the acid bronze alloy rod for express locomotive gearbox according to claim 6, its feature exists
In step 4) in vibration frequency be 1 time/second.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611156588.5A CN106756220A (en) | 2016-12-14 | 2016-12-14 | A kind of acid bronze alloy rod for express locomotive gearbox and preparation method thereof |
| PCT/CN2017/102833 WO2018107848A1 (en) | 2016-12-14 | 2017-09-22 | Copper-based alloy bar for high speed locomotive gearbox and preparation method therefor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611156588.5A CN106756220A (en) | 2016-12-14 | 2016-12-14 | A kind of acid bronze alloy rod for express locomotive gearbox and preparation method thereof |
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| CN106756220A true CN106756220A (en) | 2017-05-31 |
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| WO (1) | WO2018107848A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107312950A (en) * | 2017-06-22 | 2017-11-03 | 苏州天兼新材料科技有限公司 | A kind of Nickel-plated carbon copper silicon base alloy material and preparation method thereof |
| WO2018107848A1 (en) * | 2016-12-14 | 2018-06-21 | 苏州金仓合金新材料有限公司 | Copper-based alloy bar for high speed locomotive gearbox and preparation method therefor |
| CN111020269A (en) * | 2019-12-09 | 2020-04-17 | 苏州列治埃盟新材料技术转移有限公司 | Novel high-strength nickel-plated silicon carbide copper-based alloy material for ocean engineering machinery |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113278845A (en) * | 2021-05-04 | 2021-08-20 | 宁波华成阀门有限公司 | Copper alloy for valve and valve manufacturing method |
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| CN105195737A (en) * | 2015-10-14 | 2015-12-30 | 东南大学 | Method for covering surfaces of SiC particles with nickel |
| CN106191518A (en) * | 2016-08-09 | 2016-12-07 | 苏州金仓合金新材料有限公司 | A kind of carborundum antimony stannum zinc-copper composite for high ferro locomotive and preparation method |
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| CN103589901B (en) * | 2013-11-08 | 2015-05-13 | 苏州天兼金属新材料有限公司 | Lead-free environmental-friendly copper-based alloy tube and manufacturing method thereof |
| JP6259709B2 (en) * | 2014-04-23 | 2018-01-10 | 大豊工業株式会社 | Copper alloy for slide bearing and slide bearing |
| CN105349827A (en) * | 2015-10-30 | 2016-02-24 | 苏州列治埃盟新材料技术转移有限公司 | Silicon carbide enhanced lead-free tin-copper alloy rod and preparation method thereof |
| CN106756220A (en) * | 2016-12-14 | 2017-05-31 | 苏州金仓合金新材料有限公司 | A kind of acid bronze alloy rod for express locomotive gearbox and preparation method thereof |
-
2016
- 2016-12-14 CN CN201611156588.5A patent/CN106756220A/en active Pending
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2017
- 2017-09-22 WO PCT/CN2017/102833 patent/WO2018107848A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105195737A (en) * | 2015-10-14 | 2015-12-30 | 东南大学 | Method for covering surfaces of SiC particles with nickel |
| CN106191518A (en) * | 2016-08-09 | 2016-12-07 | 苏州金仓合金新材料有限公司 | A kind of carborundum antimony stannum zinc-copper composite for high ferro locomotive and preparation method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018107848A1 (en) * | 2016-12-14 | 2018-06-21 | 苏州金仓合金新材料有限公司 | Copper-based alloy bar for high speed locomotive gearbox and preparation method therefor |
| CN107312950A (en) * | 2017-06-22 | 2017-11-03 | 苏州天兼新材料科技有限公司 | A kind of Nickel-plated carbon copper silicon base alloy material and preparation method thereof |
| CN111020269A (en) * | 2019-12-09 | 2020-04-17 | 苏州列治埃盟新材料技术转移有限公司 | Novel high-strength nickel-plated silicon carbide copper-based alloy material for ocean engineering machinery |
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| WO2018107848A1 (en) | 2018-06-21 |
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Application publication date: 20170531 |