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CN106048302B - A kind of founding materials for being applied to nuclear power and wind-powered electricity generation and preparation method thereof - Google Patents

A kind of founding materials for being applied to nuclear power and wind-powered electricity generation and preparation method thereof Download PDF

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Publication number
CN106048302B
CN106048302B CN201610647408.7A CN201610647408A CN106048302B CN 106048302 B CN106048302 B CN 106048302B CN 201610647408 A CN201610647408 A CN 201610647408A CN 106048302 B CN106048302 B CN 106048302B
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wind
nuclear power
electricity generation
powered electricity
mass percent
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CN106048302A (en
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孙飞
赵勇
陈静
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SUZHOU JINCANG ALLOY NEW-MATERIAL CO LTD
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Suzhou Tianqian New Material Science & Technology Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C9/00Alloys based on copper
    • C22C9/06Alloys based on copper with nickel or cobalt as the next major constituent

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)

Abstract

The invention discloses a kind of method applied to nuclear power and the founding materials of wind-powered electricity generation is prepared, it is comprised the following steps:By mass percentage, by aluminium:5~7%, iron:2~4%, manganese:0~1.2%, nickel:10~12%, zinc:0.5~2%, copper surplus are placed in main frequency furnace, are heated to 1150 degree and are completely melt rear and are incubated;Nuclear power provided by the invention, wind-powered electricity generation wearing piece material, titanium carbide ceramic particle is added in traditional bronze material, to improve the hardness of cast alloy materials;And the appropriate corresponding rare-earth elements of lanthanum of addition or cerium, for further refining, improving the footpath grain institutional framework of alloy internal material, so that material is on the premise of it further need not forge or be heat-treated, the intensity and hardness of alloy material can be achieved, further meet the requirement of nuclear power, wind-powered electricity generation wearing piece material.

Description

A kind of founding materials for being applied to nuclear power and wind-powered electricity generation and preparation method thereof
Technical field
The present invention relates to field of alloy material, more particularly to a kind of founding materials and its making applied to nuclear power and wind-powered electricity generation Method.
Background technology
Bronze material has a performances such as good ductility and malleability, therefore it using relatively broad, it is mainly applied In the technical field of steam turbine in nuclear power and wind-powered electricity generation, it is particularly used for forging all kinds of valve blocks of shaping, abrasion resisting pump block.But With greatly developing for Nuclear Power Industry, the market demand is more, more excellent material, due to forging the defects of processing produces so that mesh Bronze ingot used in preceding can not increasingly meet the needs of domestic and international high standard pump valve class alloy pig.Further, since in material The reason for portion's structure, by the bronze material of foundry casting, easily produce pore surfaces and be mingled with, be not easy post forming.
The content of the invention
In order to solve the above problems, it is applied to nuclear power and the founding materials of wind-powered electricity generation and its making side the invention provides a kind of Method, can either improve the intensity and hardness of material, and can enough avoid founding materials because forge and caused by ftracture situation, reduce Material caused porosity in casting process.
In order to achieve the above object, the technical solution adopted by the present invention is as follows:
A kind of method applied to nuclear power and the founding materials of wind-powered electricity generation is prepared, it is comprised the following steps:
1), by mass percentage, by aluminium:5~7%, iron:2~4%, manganese:0~1.2%, nickel:10~12%, zinc: 0.5~2%, copper:Surplus is placed in main frequency furnace, is heated to 1150 degree and is completely melt rear and is incubated;
2), by mass percentage, by rare-earth elements of lanthanum or cerium:0.05~0.2%, it is molten to be added to the alloy being incubated Among liquid, open vibrating device and agitating device, vibrating device vibration frequency are:15 times/second, agitating device stir speed (S.S.) are: 150 revs/min, mixing time is:10~15 minutes;
3), according to mass percent meter, by titanium carbide granule of the particle diameter less than 50 microns:9~11%, it is molten to be added to alloy Among liquid, while it is again stirring for, stir speed (S.S.) is 350 revs/min, mixing time 10~15 minutes;
4), the alloy solution for stirring completion is transferred among cast insulation stove, is stirred for the third time, mixing time is 5~10 minutes, speed was 450 revs/min;
5), static 3~5 minutes of the alloy solution completed will be stirred, and samples detection, it has been determined that composition setting range it It is interior;After composition is qualified, melt is directly introduced by crystallizer using mozzle, coating lubricating oil in crystallizer, covering 3 in burner hearth~ Chance of the carbon black of 5 cm thicks to reduce oxidation and give birth to slag;
6), cast with horizontal casting method, alloy pig external diameter is 200 millimeters, and casting speed is 3 ms/h, selective freezing device It highly it is 200 millimeters, cooling water pressure is 0.2 megapascal (MPa), and dummy ingot temperature control is 1100~1150 degree;
7), during horizontal casting, the distance between graphite cannula bottom cylindrical and crystallizer wall are about 10~15 millimeters, this Open metal bath surface enters crystallizer in the case where keeping under certain static pressure, and ingot casting surface is into microwave wave-like, but than relatively round Sliding, extrusion ingot length is 2000 millimeters/;
8) length that long material alloy pig sawing is 500 millimeters/, glazing ingot machine, are removed into surface scale and all kinds of folders Debris, external diameter control are 195 millimeters, and tolerance is +/- 0.5 millimeter, packaging and storage.
Further, the mass percent of each component in step 1) is:Aluminium:6%, iron:2.5%, manganese:0.6%, nickel: 10.8%, zinc:0.8%, copper:Surplus, the mass percent of lanthanum or cerium in step 2) are:0.09%, the carbonization in step 3) The mass percent of titanium particle is:9.5%.
Further, the mass percent of each component in step 1) is:Aluminium:6.5%, iron:3%, manganese:0.9%, nickel: 11.2%, zinc:1.2%, copper:Surplus, the mass percent of lanthanum or cerium in step 2) are:0.1%, the titanium carbide in step 3) The mass percent of particle is:10%.
Further, the mass percent of each component in step 1) is:Aluminium:6.8%, iron:3.5%, manganese:1.1%, Nickel:11.8%, zinc:1.8%, copper:Surplus, the mass percent of lanthanum or cerium in step 2) are:0.18%, the carbon in step 3) Change titanium particle mass percent be:10.5%.
Present invention also offers a kind of founding materials applied to nuclear power and wind-powered electricity generation, the material using foregoing method come Prepare.
Beneficial effects of the present invention are:Nuclear power provided by the invention, wind-powered electricity generation wearing piece material, in traditional bronze material Titanium carbide ceramic particle is added, to improve the hardness of cast alloy materials;And the appropriate corresponding rare-earth elements of lanthanum of addition or Cerium, for further refining, improving the footpath grain institutional framework of alloy internal material, so that material need not forged further Or on the premise of heat treatment, you can realize the intensity and hardness of alloy material, further meet nuclear power, wind-powered electricity generation wearing piece material The requirement of material.It also avoid simultaneously original alloy material because forge and caused by ftracture situation, further reduce material and casting The caused porosity during making, so as to save production cost, improves production efficiency.
Embodiment
Below in conjunction with embodiments of the invention, the technical scheme in the embodiment of the present invention is clearly and completely retouched State, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based on the present invention In embodiment, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made Example, belongs to the scope of protection of the invention.
Embodiment 1
A kind of preparation method applied to nuclear power and the founding materials of wind-powered electricity generation, it comprises the following steps:
1), according to proportioning by aluminium:6%th, iron:2.5%th, manganese:0.6%th, nickel:10.8%th, zinc:0.8%th, copper:The matter of surplus Percentage is measured, raw material is configured, is placed in main frequency furnace, 1150 degree is heated to and is completely melt rear and is incubated;
2), by rare-earth elements of lanthanum or cerium:0.09%, by percentage to the quality, it is added to the alloy solution being incubated and works as In, open vibrating device and agitating device, vibrating device vibration frequency are:15 times/second, agitating device stir speed (S.S.) are:150 Rev/min, mixing time is:10~15 minutes;
3), particle diameter is less than to 50 microns of titanium carbide:9.5%, by percentage to the quality, it is added among alloy solution, It is again stirring for simultaneously, stir speed (S.S.) is 350 revs/min, mixing time 10~15 minutes;
4), the alloy solution for stirring completion is transferred among cast insulation stove, is stirred for the third time, mixing time is 5~10 minutes, speed was 450 revs/min;
5), static 3~5 minutes of the alloy solution completed will be stirred, and samples detection, with ensure composition setting range it It is interior;After composition is qualified, melt is directly introduced by crystallizer using mozzle, coating lubricating oil in crystallizer, covering 3 in burner hearth~ Chance of the carbon black of 5 cm thicks to reduce oxidation and give birth to slag;
6), cast with horizontal casting method, alloy pig external diameter is 200 millimeters, and casting speed is 3 ms/h, selective freezing device It highly it is 200 millimeters, cooling water pressure is 0.2 megapascal (MPa), and dummy ingot temperature control is 1100~1150 degree;
7), during horizontal casting, the distance between graphite cannula bottom cylindrical and crystallizer wall are about 10~15 millimeters, this Open metal bath surface enters crystallizer in the case where keeping under certain static pressure, and ingot casting surface is into microwave wave-like, but than relatively round Sliding, extrusion ingot length is 2000 millimeters/;
8) length that long material alloy pig sawing is 500 millimeters/, glazing ingot machine, are removed into surface scale and all kinds of folders Debris, external diameter control are 195 millimeters, and tolerance is +/- 0.5 millimeter, packaging and storage.
Embodiment 2
Embodiment 2 is only different in terms of raw material proportioning from embodiment 1, and other aspects are identicals.Therefore, below Only it will be illustrated with regard to difference.
The percentage of each composition in step 1) is:Aluminium:6.5%th, iron:3%th, manganese:0.9%th, nickel:11.2%th, zinc: 1.2%th, copper:Surplus.
The mass percent of rare-earth elements of lanthanum or cerium in step 2) is:0.1%.
The mass percent of titanium carbide in step 3) is:10%.
According to the present embodiment 2, effect substantially the same manner as Example 1 can be played.
Embodiment 3
Embodiment 3 is only different in terms of raw material proportioning from Examples 1 and 2, and other aspects are identicals.Therefore, Only it will be illustrated below with regard to difference.
The percentage of each composition in step 1) is:Aluminium:6.8%th, iron:3.5%th, manganese:1.1%th, nickel:11.8%th, zinc: 1.8%th, copper:Surplus.
The mass percent of rare-earth elements of lanthanum or cerium in step 2) is:0.18%.
The mass percent of titanium carbide in step 3) is:10.5%.
According to the present embodiment 3, the effect essentially identical with Examples 1 and 2 can be played.
Material experiment data performance contrast table:
As can be known from the above table, the material cast by the present invention, the hardness of material is improved, reduces the stomata of material Rate.
Embodiment described above only expresses embodiments of the present invention, and its description is more specific and detailed, but can not Therefore it is interpreted as the limitation to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, Without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection model of the present invention Enclose.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.

Claims (5)

  1. A kind of 1. preparation method applied to nuclear power and the founding materials of wind-powered electricity generation, it is characterised in that:It is comprised the following steps:
    1), by mass percentage, by aluminium:5~7%, iron:2~4%, manganese:0~1.2%, nickel:10~12%, zinc:0.5~ 2%, copper:Surplus is placed in main frequency furnace, is heated to 1150 degree and is completely melt rear and is incubated;
    2), by mass percentage, by rare-earth elements of lanthanum or cerium:0.05~0.2%, it is added to the alloy molten solution being incubated It is central, open vibrating device and agitating device, vibrating device vibration frequency are:15 times/second, agitating device stir speed (S.S.) are:150 Rev/min, mixing time is:10~15 minutes;
    3), according to mass percent meter, by titanium carbide ceramic particle of the particle diameter less than 50 microns:9~11%, it is added to alloy and melts Among liquid, while it is again stirring for, stir speed (S.S.) is 350 revs/min, mixing time 10~15 minutes;
    4), by stir complete alloy molten solution be transferred among cast insulation stove, be stirred for the third time, mixing time be 5~ 10 minutes, speed was 450 revs/min;
    5), static 3~5 minutes of the alloy molten solution for completing stirring, and sample detection, it has been determined that composition is within setting range; After composition is qualified, melt is directly introduced by crystallizer using mozzle, coating lubricating oil in crystallizer, 3~5 lis of covering in burner hearth Chance of the meter Hou Du carbon black to reduce oxidation and give birth to slag;
    6), cast with horizontal casting method, alloy pig external diameter is 200 millimeters, and casting speed is 3 ms/h, selective freezing device height For 200 millimeters, cooling water pressure is 0.2 megapascal (MPa), and dummy ingot temperature control is 1100~1150 degree;
    7), during horizontal casting, the distance between graphite cannula bottom cylindrical and crystallizer wall are about 10~15 millimeters, and this is open Metal bath surface enters crystallizer in the case where keeping under certain static pressure, and ingot casting surface is but rounder and more smooth into microwave wave-like, casts Ingot length is 2000 millimeters/;
    8) length that long material alloy pig sawing is 500 millimeters/, glazing ingot machine, are removed into surface scale and each type impurity, External diameter control is 195 millimeters, and tolerance is +/- 0.5 millimeter, packaging and storage.
  2. 2. the preparation method according to claim 1 applied to nuclear power and the founding materials of wind-powered electricity generation, it is characterised in that:Step 1) mass percent of each component in is:Aluminium:6%, iron:2.5%, manganese:0.6%, nickel:10.8%, zinc:0.8%, copper:It is remaining Measure, the mass percent of lanthanum or cerium in step 2) is:0.09%, the mass percent of the titanium carbide ceramic particle in step 3) For:9.5%.
  3. 3. the preparation method according to claim 1 applied to nuclear power and the founding materials of wind-powered electricity generation, it is characterised in that:Step 1) mass percent of each component in is:Aluminium:6.5%, iron:3%, manganese:0.9%, nickel:11.2%, zinc:1.2%, copper:It is remaining Measure, the mass percent of lanthanum or cerium in step 2) is:0.1%, the mass percent of the titanium carbide ceramic particle in step 3) For:10%.
  4. 4. the preparation method according to claim 1 applied to nuclear power and the founding materials of wind-powered electricity generation, it is characterised in that:Step 1) mass percent of each component in is:Aluminium:6.8%, iron:3.5%, manganese:1.1%, nickel:11.8%, zinc:1.8%, copper: Surplus, the mass percent of lanthanum or cerium in step 2) are:0.18%, the quality percentage of the titanium carbide ceramic particle in step 3) Number is:10.5%.
  5. It is 5. a kind of applied to nuclear power and the founding materials of wind-powered electricity generation, it is characterised in that:The material uses any in claim 1-4 It is prepared by the method described in.
CN201610647408.7A 2016-08-09 2016-08-09 A kind of founding materials for being applied to nuclear power and wind-powered electricity generation and preparation method thereof Active CN106048302B (en)

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PCT/CN2016/108069 WO2018028089A1 (en) 2016-08-09 2016-11-30 Casting material for nuclear power and wind power and manufacturing method therefor

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CN106636728A (en) * 2016-12-19 2017-05-10 苏州天兼新材料科技有限公司 Cast bronze alloy material and preparation method thereof
CN108559868A (en) * 2018-05-30 2018-09-21 苏州金仓合金新材料有限公司 A kind of cast alloy materials and preparation method thereof for electric machinery wearing piece
CN114990369B (en) * 2022-07-28 2022-11-18 鼎镁新材料科技股份有限公司 Method for preparing aluminum alloy bicycle rim from secondary aluminum

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Effective date of registration: 20221101

Address after: No. 88, Zhenghe Middle Road, Ludu Town, Taicang City, Suzhou City, Jiangsu Province, 215400

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Patentee before: SUZHOU TIANQIAN NEW MATERIAL SCIENCE & TECHNOLOGY Co.,Ltd.