CN106636728A - Cast bronze alloy material and preparation method thereof - Google Patents
Cast bronze alloy material and preparation method thereof Download PDFInfo
- Publication number
- CN106636728A CN106636728A CN201611178517.5A CN201611178517A CN106636728A CN 106636728 A CN106636728 A CN 106636728A CN 201611178517 A CN201611178517 A CN 201611178517A CN 106636728 A CN106636728 A CN 106636728A
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- Prior art keywords
- alloy material
- bronze alloy
- nickel
- cast bronze
- cast
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Classifications
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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
- C22C9/01—Alloys based on copper with aluminium 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
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/18—Pretreatment of the material to be coated
- C23C18/1851—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material
- C23C18/1872—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material by chemical pretreatment
- C23C18/1875—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material by chemical pretreatment only one step pretreatment
- C23C18/1882—Use of organic or inorganic compounds other than metals, e.g. activation, sensitisation with polymers
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/31—Coating with metals
- C23C18/32—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
- C23C18/34—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents
- C23C18/36—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents using hypophosphites
Abstract
The invention relates to a cast bronze alloy material, in particular to a cast bronze alloy material for a nuclear turbine valve body. The alloy material comprises the following components in percent by weight: 0.5 to 1.5 percent of nickel plating silicon carbide, 15 to 17 percent of aluminum, 4 to 5.5 percent of iron, 0.5 to 1.5 percent of manganese, 0.5 to 1.2 percent of nickel, 0.2 to 0.7 percent of lanthanum or cerium, and the balance copper and inevitable impurities. The strength and the hardness of the alloy material can be realized without the need for further forging or heat treating alloy, the production cost is reduced, the production process is simplified, and the requirement on the material for the nuclear turbine valve body is met. The invention further relates to a preparation method of the cast bronze alloy material.
Description
Technical field
The present invention relates to a kind of bronze alloy material, more particularly to a kind of nuclear steam turbine valve body cast bronze alloy material
Material, the invention further relates to the preparation method of the bronze alloy material.
Background technology
Bronze material is because with performances such as good ductility and malleability, using relatively broad, such as forging and being shaped to
All kinds of valve blocks, abrasion resisting pump block, valve body etc. and be applied in the technical fields such as nuclear steam turbine.But, it is fast with Nuclear Power Industry
Exhibition is hailed, the demand expanding day to bronze material, performance requirement is also increasingly improved.Traditional bronze material is in process is forged
Various defects can be produced, the demand of domestic and international high standard pump valve class alloy pig can not be increasingly met, and be forged process and answer
Miscellaneous, high cost, man-hour is long.Therefore, exploitation need not subsequently forge process cast bronze alloy be increasingly subject to pay attention to.But tradition
Cast bronze alloy due to material therein structure, cause foundry casting shaped article easily to produce pore and clip surface
It is miscellaneous, it is difficult post forming.
The content of the invention
For the problems referred to above, it is an object of the invention to provide a kind of bronze alloy material, its mechanical property and yield rate
Significantly improve compared with traditional bell metal, and the defect such as porosity is substantially reduced.
To reach above-mentioned purpose, the present invention is adopted the following technical scheme that：
A specific embodiment of the invention, there is provided a kind of cast bronze alloy material, it is included：Nickel-plated carbon
SiClx 0.5-1.5wt%, aluminium 15-17wt%, iron 4-5.5wt%, manganese 0.5-1.5wt%, nickel 0.5-1.2wt%, lanthanum or cerium
0.2-0.7wt%, balance of copper and inevitable impurity.
Cast bronze alloy material according to an embodiment of the invention, wherein, the particle diameter of nickel-plated carbon SiClx is 50 μm
～100 μm.
Cast bronze alloy material according to an embodiment of the invention, wherein, Nickel-plated carbon silicone content is 1.0-
1.5wt%, the manganese content is 1.0-1.5wt%.
Cast bronze alloy material according to an embodiment of the invention, wherein, nickel content is 0.8-1.2wt%, institute
It is 0.5-0.7wt% to state lanthanum or cerium content.
An a kind of specific embodiment of the invention, there is provided method for preparing cast bronze alloy material, should
Cast bronze alloy material is that, according to above-described cast bronze alloy material, the method is comprised the following steps：
Step one：Aluminium, iron, manganese, nickel, copper are placed in main frequency furnace according to proportioning, are heated to 1100 degree and are completely melt simultaneously
Insulation；
Step 2：In the middle of the alloy melt that the rare-earth elements of lanthanum and/or cerium of predetermined content are added in insulation, unlatching is shaken
Dynamic device and agitating device；
Step 3：50 μm～100 μm of Nickel-plated carbon silicon grain of particle diameter is added in the middle of alloy melt, while entering again
Row stirring；
Step 4：The alloy melt that stirring is completed is transferred in the middle of cast insulation stove, is stirred for the third time；
Step 5：The static rear sampling detection of alloy melt that stirring is completed, to determine composition within setting range；
Step 6：After composition is qualified, melt is directly introduced by crystallizer using mozzle, coating lubricating oil in crystallizer,
Carbon black is covered in burner hearth；
Step 7：Cast according to the requirement of nuclear steam turbine valve body material, packaging and storage.
The method for preparing cast bronze alloy material according to an embodiment of the invention, wherein, in the step 2,
The vibration frequency of vibrating device is 8 times/second, and the stir speed (S.S.) of agitating device is 250 revs/min, and mixing time is 10-15 point
Clock.
The method for preparing cast bronze alloy material according to an embodiment of the invention, wherein, in the step 3
Stir speed (S.S.) is 300 revs/min, mixing time 15-20 minute.
The method for preparing cast bronze alloy material according to an embodiment of the invention, wherein, in the step 4
Mixing time is 15-20 minutes, and speed is 400 revs/min.
The method for preparing cast bronze alloy material according to an embodiment of the invention, wherein, the thickness of carbon black is
3-5cm。
The nuclear steam turbine valve body cast bronze alloy material that the present invention is provided, by adding in traditional bronze material
The silicon carbide ceramics particle of pretreatment is Nickel-plated carbon silicon grain, improves the hardness of cast bronze alloy material；By appropriate
Addition strengthens phase rare-earth elements of lanthanum or cerium, has refined crystal grain, improves the footpath grain institutional framework of alloy internal material.Thus, originally
The bronze alloy material of invention is on the premise of it need not further forge or be heat-treated, you can realization reaches required intensity
And hardness, disclosure satisfy that the requirement of nuclear steam turbine valve body material.
Meanwhile, the cast bronze alloy material of the present invention effectively prevent the cracking that conventional alloys material is produced because forging
Phenomenon, significantly reduce the porosity that bronze material is produced in casting process, it is to avoid following process, has saved and has produced into
This, improves production efficiency.
Description of the drawings
Fig. 1 is the process chart of the cast bronze alloy material for preparing the present invention.
Specific embodiment
It is below in conjunction with the accompanying drawings and embodiment, right in order that the objects, technical solutions and advantages of the present invention become more apparent
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
The cast bronze alloy material of the present invention, comprising：Nickel-plated carbon SiClx 0.5-1.5wt%, aluminium 15-17wt%, iron 4-
5.5wt%, manganese 0.5-1.5wt%, nickel 0.5-1.2wt%, lanthanum or cerium 0.2-0.7wt%, balance of copper and inevitably miscellaneous
Matter.
In a further embodiment, the particle diameter of the nickel-plated carbon SiClx for being adopted is 50 μm～100 μm.
In a further embodiment, Nickel-plated carbon silicone content is 1.0-1.5wt%, and manganese content is 1.0-1.5wt%.
In a further embodiment, nickel content is 0.8-1.2wt%, and lanthanum or cerium content are 0.5-0.7wt%.
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
In changing the alcoholic solution (ethanol of 12g nickel acetates, 4g sodium borohydrides and 1L) of sodium, normal temperature after stabilizer 10%NaOH solution is added dropwise and stirs
30min is mixed, mixing speed is 400r/min, form mixture one；
Step 2：The mixture one that completes will be activated in step one to staticly settle, and with distillation water washing precipitation after filtration, is washed
Filter after the completion of washing and dry 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；The activation silicon-carbide particle and trace stabilizer thiocarbamide of 5g drying in step 2 is added and formed in above-mentioned plating solution mixing
Thing two, by the heating water bath of mixture two and stirs (heating-up temperature be 40 DEG C, mixing speed is 400r/min), and in heating stirring
While add NaOH solution adjust mixture two pH value be 9；
Step 4：The mixture two that chemical nickel plating in step 3 is completed is staticly settled, and is sunk with distillation water washing after filtration
Form sediment, filter after the completion of washing and drying obtains Nickel-plated carbon silicon grain at 70-80 DEG C.
As shown in figure 1, the preparation method of the cast bronze alloy material of the present invention is comprised the following steps：
Step one：Aluminium, iron, manganese, nickel, copper are placed in main frequency furnace according to proportioning, are heated to 1100 degree and are completely melt simultaneously
Insulation；
Step 2：The rare-earth elements of lanthanum and/or cerium of predetermined quality fraction are added in the alloy melt in insulation, are opened
Vibrating device and agitating device；
Step 3：By the nickel plating of 50 μm～100 μm of the particle diameter prepared by the preparation technology of the above nickel-plated carbon SiClx
Silicon-carbide particle is added in the middle of alloy melt, while being again stirring for；
Step 4：The alloy melt that stirring is completed is transferred in the middle of cast insulation stove, is stirred for the third time；
Step 5：The alloy melt static 3-5 minutes that stirring is completed, and detection is sampled, to detect whether composition is setting
Determine within content range；
Step 6：After composition is qualified, melt is directly introduced by crystallizer using mozzle, coating lubricating oil in crystallizer,
Carbon black is covered in burner hearth；
Step 7：Cast according to the requirement of nuclear steam turbine valve body material, packaging and storage.
In a further embodiment, in step 2 vibrating device vibration frequency be 8 times/second, the stirring of agitating device
Speed is 250 revs/min, and mixing time is 10-15 minutes.
In a further embodiment, stir speed (S.S.) is 300 revs/min in step 3, mixing time 15-20 minute.
In a further embodiment, mixing time is 15-20 minutes in step 4, and speed is 400 revs/min.
In a further embodiment, the thickness of carbon black is 3-5cm, thus, it is possible to fully avoid aoxidizing and giving birth to slag.
To the cast bronze alloy of the present invention is with traditional cast bronze alloy material and forges the power of bronze alloy material
Learn performance to be tested, its result is as shown in table 1：
Table 1：The performance comparison of the cast bronze material of the present invention and traditional bronze alloy material
As can be seen here, novel casting bronze alloy material of the invention and traditional cast bronze alloy material and green grass or young crops is forged
Cu alloy material is compared, and hardness and yield rate are significantly improved, and the porosity is decreased obviously, and traditionally, the process of forging can effectively drop
The porosity of low casting alloy product, even if but the alloy material of the present invention do not carry out effectively eliminating pore by forging process,
And compared with bell metal is forged, the effect for reducing the porosity is more significantly.
The foregoing is only presently preferred embodiments of the present invention, not for limit the present invention practical range；If do not taken off
From the spirit and scope of the present invention, the present invention is modified or equivalent, all should be covered in the claims in the present invention
In the middle of protection domain.
Claims (9)
1. a kind of cast bronze alloy material, it is characterised in that include：
Nickel-plated carbon SiClx 0.5-1.5wt%, aluminium 15-17wt%, iron 4-5.5wt%, manganese 0.5-1.5wt%, nickel 0.5-
1.2wt%, lanthanum or cerium 0.2-0.7wt%, balance of copper and inevitable impurity.
2. cast bronze alloy material according to claim 1, it is characterised in that the particle diameter of the nickel-plated carbon SiClx is 50
μm～100 μm.
3. cast bronze alloy material according to claim 1 and 2, it is characterised in that the Nickel-plated carbon silicone content is
1.0-1.5wt%, the manganese content is 1.0-1.5wt%.
4. cast bronze alloy material according to claim 1 and 2, it is characterised in that the nickel content is 0.8-
1.2wt%, the lanthanum or cerium content are 0.5-0.7wt%.
5. a kind of method of the cast bronze alloy material described in any one for preparing Claims 1 to 4, it is characterised in that bag
Include following steps：
Step one：Aluminium, iron, manganese, nickel, copper are placed in main frequency furnace according to proportioning, are heated to 1100 degree and are completely melt and are incubated；
Step 2：In the middle of the alloy melt that the rare-earth elements of lanthanum and/or cerium of predetermined content are added in insulation, vibration dress is opened
Put and agitating device；
Step 3：50 μm～100 μm of Nickel-plated carbon silicon grain of particle diameter is added in the middle of alloy melt, while being stirred again
Mix；
Step 4：The alloy melt that stirring is completed is transferred in the middle of cast insulation stove, is stirred for the third time；
Step 5：The static rear sampling detection of alloy melt that stirring is completed, to determine composition within setting range；
Step 6：After composition is qualified, melt is directly introduced by crystallizer using mozzle, coating lubricating oil in crystallizer, burner hearth
Interior covering carbon black；
Step 7：Cast according to the requirement of nuclear steam turbine valve body material, packaging and storage.
6. the method for preparing cast bronze alloy material according to claim 5, it is characterised in that in the step 2,
The vibration frequency of the vibrating device is 8 times/second, and the stir speed (S.S.) of the agitating device is 250 revs/min, and mixing time is
10-15 minutes.
7. the method for preparing cast bronze alloy material according to claim 5, it is characterised in that stir in the step 3
It is 300 revs/min to mix speed, mixing time 15-20 minute.
8. the method for preparing cast bronze alloy material according to claim 5, it is characterised in that stir in the step 4
The time is mixed for 15-20 minutes, speed is 400 revs/min.
9. the method for preparing cast bronze alloy material according to claim 5, it is characterised in that the thickness of the carbon black
For 3-5cm.
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| CN201611178517.5A CN106636728A (en) | 2016-12-19 | 2016-12-19 | Cast bronze alloy material and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107119205A (en) * | 2017-06-22 | 2017-09-01 | 苏州天兼新材料科技有限公司 | A kind of Cu alloy material for substituting beryllium-bronze and preparation method thereof |
| 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 |
| CN108531768A (en) * | 2018-05-30 | 2018-09-14 | 苏州金仓合金新材料有限公司 | A kind of dynamic power machine component alloy material and preparation method thereof |
| CN108715947A (en) * | 2018-05-30 | 2018-10-30 | 苏州天兼新材料科技有限公司 | A kind of petroleum works equipment high strength copper alloy material and preparation method thereof |
| CN108754219A (en) * | 2018-05-30 | 2018-11-06 | 苏州天兼新材料科技有限公司 | A kind of alloy material and preparation method thereof applied to aerospace engineering machinery |
| CN111850341A (en) * | 2020-07-31 | 2020-10-30 | 苏州天兼新材料科技有限公司 | High-strength copper alloy material for petroleum engineering equipment and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107119205A (en) * | 2017-06-22 | 2017-09-01 | 苏州天兼新材料科技有限公司 | A kind of Cu alloy material for substituting beryllium-bronze and preparation method thereof |
| 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 |
| CN107119205B (en) * | 2017-06-22 | 2019-03-05 | 苏州天兼新材料科技有限公司 | A kind of Cu alloy material and preparation method thereof substituting beryllium-bronze |
| CN108531768A (en) * | 2018-05-30 | 2018-09-14 | 苏州金仓合金新材料有限公司 | A kind of dynamic power machine component alloy material and preparation method thereof |
| CN108715947A (en) * | 2018-05-30 | 2018-10-30 | 苏州天兼新材料科技有限公司 | A kind of petroleum works equipment high strength copper alloy material and preparation method thereof |
| CN108754219A (en) * | 2018-05-30 | 2018-11-06 | 苏州天兼新材料科技有限公司 | A kind of alloy material and preparation method thereof applied to aerospace engineering machinery |
| CN111850341A (en) * | 2020-07-31 | 2020-10-30 | 苏州天兼新材料科技有限公司 | High-strength copper alloy material for petroleum engineering equipment and preparation method thereof |
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