CN108559912A - Superconducting cyclotron high magnetic characteristics main magnet material and its manufacturing method - Google Patents
Superconducting cyclotron high magnetic characteristics main magnet material and its manufacturing method Download PDFInfo
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- CN108559912A CN108559912A CN201810094484.9A CN201810094484A CN108559912A CN 108559912 A CN108559912 A CN 108559912A CN 201810094484 A CN201810094484 A CN 201810094484A CN 108559912 A CN108559912 A CN 108559912A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
- C21D1/28—Normalising
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
Abstract
Superconducting cyclotron high magnetic characteristics main magnet material and its manufacturing method, by weight, C 0.07 ~ 0.09, Si 0.17~0.25, Mn 0.35 ~ 0.50, Cr 0.08max, Ni 0.08max, Cu 0.05max, P 0.010max, S 0.008max.Using electric furnace smelting and carry out Fruit storage；Forging is changed to by casting to cool down using temperature control, control cooling velocity is less than or equal to 35 DEG C/h.The present invention by adjusting element in 10 steel weight percentage, improve material purity, it is manufactured using forging, reduce material anisotropy by deformation and eliminates internal flaw control, prolonged high temperature normalizing processing keeps grain size coarse, reaches 1 ~ 2 grade, improves magnetic property, intensity under material room temperature is set to have reached 2.5T or more, magnetic field intensity has reached 4.5T or more under superconduction.
Description
Technical field
The present invention relates to a kind of superconducting cyclotron high magnetic characteristics main magnet materials and its manufacturing method, belong to superconduction
Cyclotron key components and parts manufacturing technology field.
Technical background
The magnetic field of cyclotron is typically the magnet volume and quality generated by main magnet material, and convolution accelerates,
It is related with magnetic field height and highest energy, using high magnetic characteristics material, compared with co-energy room temperature cyclotron, main magnet
Weight can reduce by 15 times, and power consumption reduces 3/4ths, and the construction cost and operating cost of accelerator can be greatly lowered, ensure that
Superconducting magnet high-precision current and stable magnetic field operation.
Cyclotron main magnet material is pure iron or mild steel, mainly there is electrical pure iron, No. 08 steel, No. 10 steel, Q235
Equal low-carbons；External has AISI1008, AISI1010, JIS S10C.
For No. 10 steel as ordinary carbon steel, intensity is low, is used as structural steel.The chemical component weight percentage of national regulations 10
Content is：C 0.07 ~ 0.13, Si 0.17~0.37, Mn 0.35 ~ 0.65, Cr 0.15max, Ni 0.30max, Cu
0.25max, P 0.035max, S 0.035max, do not provide the content of remaining element.
Invention content：
It is to be solved by this invention to be：By adjusting the weight percentage of element in 10 steel, control influences the main miscellaneous of magnetic field
Prime element improves material purity, and the C content segregation control of main magnet material is in 0.01 ~ 0.02% range, using forging system
It makes, material anisotropy is reduced by deformation and eliminates internal flaw control, prolonged high temperature normalizing processing makes grain size
It is coarse, reach 1 ~ 2 grade, improves magnetic property, highest magnetic field intensity under material room temperature is made to have reached 2.5T or more, magnetic field under superconduction
Intensity has reached the technical problem of 4.5T or more.
In order to solve the above-mentioned technical problem, the present invention uses following technical proposal：
Superconducting cyclotron high magnetic characteristics main magnet material, by weight, chemical composition index is：C 0.07 ~ 0.09,
Si 0.17~0.25, Mn 0.35 ~ 0.50, Cr 0.08max, Ni 0.08max, Cu 0.05max, P 0.010max, S
0.008max。
Superconducting cyclotron high magnetic characteristics main magnet material manufacturing method, by weight, including
（1）Material uses electric furnace smelting, and carries out Fruit storage, using the low high-quality raw material of prime element content, does not adopt
With foundry returns, C content controls in 0.07 ~ 0.09 range；
（2）Main magnet material is changed to forging by casting, and the ultrasonic defect of main magnet material is controlled in Φ 3mm hereinafter, without intensive
Property defect；
（3）Selected the temperature of high temperature normalizing, temperature selection as follows according to C content：
When the actual content of C in material is 0.007, the temperature of high temperature normalizing takes 900 DEG C~910 DEG C;
When the actual content of C in material is 0.008, the temperature of high temperature normalizing takes 910 DEG C~920 DEG C;
When the actual content of C in material is 0.009, the temperature of high temperature normalizing takes 920 DEG C~930 DEG C;
（4）High temperature normalizing is adjusted according to the thickness of product and is heat-treated soaking time, according to the heat treatment THICKNESS CALCULATION of product, per mm
Soaking time at least 0.2h, cooling to be cooled down using temperature control, control cooling velocity is less than or equal to 35 DEG C/h, obtains coarse tissue.
Using the advantageous effect of above-mentioned technical proposal：
The present invention is by adjusting the weight percentage of element in 10 steel, the major impurity element in control influence magnetic field, raising material
Expect that degree of purity, the C content segregation control of main magnet material are manufactured using forging, subtracted by deformation in 0.01 ~ 0.02% range
Small material anisotropy and elimination internal flaw control, prolonged high temperature normalizing processing keep grain size coarse, reach 1 ~ 2
Grade improves magnetic property, highest magnetic field intensity under material room temperature can be made to have reached 2.5T or more, magnetic field intensity reaches under superconduction
4.5T or more is arrived.
Specific implementation mode
10 materials are smelted using electric furnace+vacuum outgas method, using the low high-quality raw material of prime element content, are not adopted
With foundry returns, the chemical composition target indicator for controlling material is：C 0.075, Si 0.20, Mn 0.45, Cr 0.05, Ni
0.05, Cu 0.05, P 0.010max, S 0.005max, do not add any other element；
Manufacture main magnet material is changed to forging molding by the molding mode cast, long-time heat preservation when forging, 900 ~ 1200
It is forged within the scope of DEG C, forges condensation material internal flaw（Loose, shrinkage cavity and bubble etc.）, the ultrasonic defect control of main magnet material
In Φ 3mm hereinafter, without intensive defect, influence of the internal flaw to magnetic property is reduced；
Forging selects the temperature of high temperature normalizing, temperature selection as follows according to C content；
When the actual content of C in material is 0.007%, the temperature of high temperature normalizing takes 900 DEG C~910 DEG C;
When the actual content of C in material is 0.008%, the temperature of high temperature normalizing takes 910 DEG C~920 DEG C;
When the actual content of C in material is 0.008%, the temperature of high temperature normalizing takes 920 DEG C~930 DEG C;
High temperature normalizing is adjusted according to the thickness of product and is heat-treated soaking time, according to the heat treatment THICKNESS CALCULATION of product, is protected per mm
At least 0.2h of warm time, cooling to be cooled down using temperature control, control cooling velocity is less than or equal to 35 DEG C/h, obtains coarse tissue.
Claims (2)
1. superconducting cyclotron high magnetic characteristics main magnet material, it is characterised in that：By weight, chemical composition index
For：C 0.07 ~ 0.09, Si 0.17~0.25, Mn 0.35 ~ 0.50, Cr 0.08max, Ni 0.08max, Cu 0.05max, P
0.010max, S 0.008max.
2. superconducting cyclotron high magnetic characteristics main magnet material manufacturing method, it is characterised in that：By weight, including
（1）Material uses electric furnace smelting, and carries out Fruit storage, using the low high-quality raw material of prime element content, does not adopt
With foundry returns, C content controls in 0.07 ~ 0.09 range；
（2）Main magnet material is changed to forging by casting, and the ultrasonic defect of main magnet material is controlled in Φ 3mm hereinafter, without intensive
Property defect；
（3）Selected the temperature of high temperature normalizing, temperature selection as follows according to C content：
When the actual content of C in material is 0.007, the temperature of high temperature normalizing takes 900 DEG C~910 DEG C;
When the actual content of C in material is 0.008, the temperature of high temperature normalizing takes 910 DEG C~920 DEG C;
When the actual content of C in material is 0.009, the temperature of high temperature normalizing takes 920 DEG C~930 DEG C;
（4）High temperature normalizing is adjusted according to the thickness of product and is heat-treated soaking time, according to the heat treatment THICKNESS CALCULATION of product, per mm
Soaking time at least 0.2h, cooling to be cooled down using temperature control, control cooling velocity is less than or equal to 35 DEG C/h, obtains coarse tissue.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810094484.9A CN108559912A (en) | 2018-01-31 | 2018-01-31 | Superconducting cyclotron high magnetic characteristics main magnet material and its manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810094484.9A CN108559912A (en) | 2018-01-31 | 2018-01-31 | Superconducting cyclotron high magnetic characteristics main magnet material and its manufacturing method |
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| CN108559912A true CN108559912A (en) | 2018-09-21 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102367538A (en) * | 2011-12-21 | 2012-03-07 | 南阳汉冶特钢有限公司 | Super-thick low alloy high strength Q345C steel plate and production method thereof |
| CN103290326A (en) * | 2013-06-07 | 2013-09-11 | 马钢(集团)控股有限公司 | High-strength magnetoconductive steel plate and production method thereof |
| CN103725981A (en) * | 2013-10-26 | 2014-04-16 | 溧阳市浙大产学研服务中心有限公司 | Preparation method of high-performance magnetic control connecting piece |
| CN106068055A (en) * | 2015-04-22 | 2016-11-02 | 住友重机械工业株式会社 | Cyclotron and superconducting magnet |
-
2018
- 2018-01-31 CN CN201810094484.9A patent/CN108559912A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102367538A (en) * | 2011-12-21 | 2012-03-07 | 南阳汉冶特钢有限公司 | Super-thick low alloy high strength Q345C steel plate and production method thereof |
| CN103290326A (en) * | 2013-06-07 | 2013-09-11 | 马钢(集团)控股有限公司 | High-strength magnetoconductive steel plate and production method thereof |
| CN103725981A (en) * | 2013-10-26 | 2014-04-16 | 溧阳市浙大产学研服务中心有限公司 | Preparation method of high-performance magnetic control connecting piece |
| CN106068055A (en) * | 2015-04-22 | 2016-11-02 | 住友重机械工业株式会社 | Cyclotron and superconducting magnet |
Non-Patent Citations (2)
| Title |
|---|
| 《工程材料实用手册》编辑委员会 编: "《工程材料实用手册 第1卷 结构钢 不锈钢》", 31 July 2002, 《工程材料实用手册》编辑委员会 编 * |
| 电子管设计手册编辑委员会 编: "《微波电子管磁路设计手册》", 29 February 1984, 国防工业出版社 * |
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Application publication date: 20180921 |