CN107937814A - A kind of preparation method of Aludirome - Google Patents
A kind of preparation method of Aludirome Download PDFInfo
- Publication number
- CN107937814A CN107937814A CN201711444300.9A CN201711444300A CN107937814A CN 107937814 A CN107937814 A CN 107937814A CN 201711444300 A CN201711444300 A CN 201711444300A CN 107937814 A CN107937814 A CN 107937814A
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- powder
- aludirome
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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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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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
- C22C1/04—Making non-ferrous alloys by powder metallurgy
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/02—Alloys containing less than 50% by weight of each constituent containing copper
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
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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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
-
- 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
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
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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)
Abstract
The present invention relates to a kind of preparation method of Aludirome, chromium powder, aluminium powder, copper powder, manganese powder, silica flour, titanium valve, carbonization aluminium powder, iron powder are uniformly mixed according to mass percent, the mixed-powder for wearing into that granularity is 200 mesh in ball mill is put into, then mixed material is sent into mould；Mould is put into cold isostatic press; mixed material is pressed into embryo material; gained embryo material is sintered, temperature is first raised to 300 400 DEG C, is carried out pre-sintered; keep the temperature 30 40min; then temperature is continued to rise to 1,100 1200 DEG C, carries out high temperature sintering, keep the temperature 3 4h; whole sintering process carries out under nitrogen protection, forms required Aludirome.The method of the present invention is easy to operate, easy to implement, and obtained Aludirome excellent material performance, toughness are high, heat endurance is strong, are unlikely to deform, and service life length, meets requirement.
Description
Technical field
The present invention relates to technical field of metal material preparation, especially a kind of preparation method of Aludirome
Background technology
Aludirome (FeCrAl) is a kind of common electrothermal alloy material, is widely used in electrothermal part, accurate instrument
The industries such as device, pressure vessels for the chemical industry.Since, there are substantial amounts of chromium, aluminium, at high temperature, alloy surface is formed in the component of Aludirome
Fine and close oxide-film, extends the service life of alloy material, and aluminium content height can also improve resistivity, and high resistivity can be effective
Ground converts electrical energy into thermal energy, saves thermo electric material.
In the prior art, Aludirome resistance wire is always using melting, cast, rolling, the production technology side of wire drawing
Method, the Aludirome silk of this method production, elevated temperature strength is low, easily produces the deformation of creep, in addition, plasticity, toughness are poor,
Brittle, after applied at elevated temperature, crystal grain is grown up, and causes brittleness to increase, and service life is short.
The content of the invention
It is an object of the invention to provide a kind of preparation method of Aludirome, this method is easy to operate, easy to implement,
Raw material is easy to get, and obtained Aludirome toughness is high, slight big, is unlikely to deform, heat endurance is strong, and excellent performance, uses the longevity
Life length, meets requirement.
The object of the invention to solve the technical problems is realized using following technical scheme.Itd is proposed according to the present invention
A kind of Aludirome preparation method, it comprises the following steps：
(1) chromium powder, aluminium powder, copper powder, manganese powder, silica flour, titanium valve, carbonization aluminium powder, iron powder are mixed according to mass percent equal
It is even, the mixed-powder for wearing into that granularity is 200 mesh in ball mill is put into, then mixed material is sent into mould；
(2) mould is put into cold isostatic press, mixed material is pressed into embryo material；
(3) embryo material obtained by step (2) is sintered, temperature is first raised to 300-400 DEG C, carry out pre-sintered, insulation 30-
40min, then temperature is continued to rise to 1100-1200 DEG C, carry out high temperature sintering, keep the temperature 3-4h, whole sintering process is in nitrogen
Protection is lower to be carried out, and forms required Aludirome.
The object of the invention to solve the technical problems can be also applied to the following technical measures to achieve further.
A kind of preparation method of the preparation method of foregoing Aludirome, wherein, step (1) ratio of grinding media to material is 5:1.
A kind of preparation method of the preparation method of foregoing Aludirome, wherein, pressure is when step (2) suppresses embryo material
150-200MPa, dwell time 15min.
A kind of preparation method of the preparation method of foregoing Aludirome, wherein, raw materials used percentage by weight is：
Chromium powder 20-35%, aluminium powder 8-12%, copper powder 1-2%, manganese powder 2-3%, silica flour 0.5-1%, titanium valve 1-2%, carbonization aluminium powder 1-
3%, surplus is iron powder.
A kind of preparation method of the preparation method of foregoing Aludirome, wherein, raw materials used parts by weight are：Chromium
Powder 26%, aluminium powder 10%, copper powder 1%, manganese powder 2%, silica flour 0.8%, titanium valve 2%, be carbonized aluminium powder 1%, iron powder 57.2%.
The present invention has clear advantage and beneficial effect compared with prior art, by above-mentioned technical proposal, the present invention
A kind of preparation method of Aludirome can reach suitable technological progress and practicality, and with the extensive utilization in industry
Value, it at least has following advantages：
The method of the present invention is easy to operate, and easy to implement, used materials safety is environment friendly and pollution-free, and cost is low, into
One step reduces production cost, and obtained Aludirome material heat endurance is good, oxidation resistant, and toughness is high, slight big,
It is unlikely to deform, service life length, disclosure satisfy that requirement, highly practical.
In conclusion a kind of preparation method of Aludirome of the present invention technically has significant progress, and with bright
Aobvious good effect, is really a new and innovative, progressive, practical new design.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, and in order to allow the above and other objects, features and advantages of the present invention can
Become apparent, below especially exemplified by preferred embodiment, describe in detail as follows.
Brief description of the drawings
Nothing
Embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Preferred embodiment, to according to a kind of preparation method of Aludirome proposed by the present invention, its embodiment, structure, spy
Sign and its effect, describe in detail as after.
The ceramic mold of the present invention is prepared in accordance with the following methods：
(1) by chromium powder 20-35%, aluminium powder 8-12%, copper powder 1-2%, manganese powder 2-3%, silica flour 0.5-1%, titanium valve 1-
2%, be carbonized aluminium powder 1-3%, and iron powder surplus mixes in proportion, and is put into the mixed powder for wearing into that granularity is 200 mesh in ball mill
End, wherein, ratio of grinding media to material 5:1, then mixed material is sent into mould；
(2) mould is put into cold isostatic press, mixed material is pressed into embryo material, wherein, pressure 150-200MPa,
Dwell time is 15min；
(3) embryo material obtained by step (2) is sintered, temperature is first raised to 300-400 DEG C, carry out pre-sintered, insulation 30-
40min, then temperature is continued to rise to 1100-1200 DEG C, carry out high temperature sintering, keep the temperature 3-4h, whole sintering process is in nitrogen
Protection is lower to be carried out, and forms required Aludirome.
It is preferred that raw materials used mass percent is：
Embodiment 1
By chromium powder 20%, aluminium powder 12%, copper powder 2%, manganese powder 3%, silica flour 1%, titanium valve 2%, be carbonized aluminium powder 3%, iron powder
57% mixes in proportion, and is put into the mixed-powder for wearing into that granularity is 200 mesh in ball mill, wherein, ratio of grinding media to material 5:1, so
Mixed material is sent into mould afterwards；Mould is put into cold isostatic press, mixed material is pressed into embryo material, wherein, pressure
For 150MPa, dwell time 15min；Gained embryo material is sintered, temperature is first raised to 300 DEG C, carries out pre-sintered, insulation
40min, then continues to rise to 1200 DEG C by temperature, carries out high temperature sintering, keeps the temperature 3h, whole sintering process under nitrogen protection into
OK, required Aludirome is formed.
Embodiment 2
By chromium powder 26%, aluminium powder 10%, copper powder 1%, manganese powder 2%, silica flour 0.8%, titanium valve 2%, be carbonized aluminium powder 1%, iron
Powder 57.2% mixes in proportion, and is put into the mixed-powder for wearing into that granularity is 200 mesh in ball mill, wherein, ratio of grinding media to material 5:
1, then mixed material is sent into mould；Mould is put into cold isostatic press, mixed material is pressed into embryo material, wherein,
Pressure is 200MPa, dwell time 15min；Gained embryo material is sintered, temperature is first raised to 400 DEG C, carries out pre-sintering,
30min is kept the temperature, then continues to rise to 1100 DEG C by temperature, carries out high temperature sintering, keep the temperature 4h, whole sintering process is protected in nitrogen
Lower progress, forms required Aludirome.
Embodiment 3
By chromium powder 35%, aluminium powder 8%, copper powder 2%, manganese powder 2%, silica flour 0.5%, titanium valve 1%, be carbonized aluminium powder 2%, iron powder
49.5% mixes in proportion, and is put into the mixed-powder for wearing into that granularity is 200 mesh in ball mill, wherein, ratio of grinding media to material 5:1,
Then mixed material is sent into mould；Mould is put into cold isostatic press, mixed material is pressed into embryo material, wherein, pressure
Power is 200MPa, dwell time 15min；Gained embryo material is sintered, temperature is first raised to 350 DEG C, carries out pre-sintered, guarantor
Warm 40min, then temperature is continued to rise to 1150 DEG C, carry out high temperature sintering, keep the temperature 4h, whole sintering process is under nitrogen protection
Carry out, form required Aludirome.
The above described is only a preferred embodiment of the present invention, not make limitation in any form to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, as long as being the content without departing from technical solution of the present invention, the technical spirit according to the present invention
Any simple modification, equivalent change and modification made to above example, in the range of still falling within technical solution of the present invention.
Claims (5)
1. a kind of preparation method of Aludirome, it is characterised in that it comprises the following steps：
(1) chromium powder, aluminium powder, copper powder, manganese powder, silica flour, titanium valve, carbonization aluminium powder, iron powder are uniformly mixed according to mass percent, put
Enter to wear into the mixed-powder that granularity is 200 mesh in ball mill, then mixed material is sent into mould；
(2) mould is put into cold isostatic press, mixed material is pressed into embryo material；
(3) embryo material obtained by step (2) is sintered, temperature is first raised to 300-400 DEG C, carry out pre-sintered, insulation 30-
40min, then temperature is continued to rise to 1100-1200 DEG C, carry out high temperature sintering, keep the temperature 3-4h, whole sintering process is in nitrogen
Protection is lower to be carried out, and forms required Aludirome.
2. the preparation method of Aludirome as claimed in claim 1, it is characterised in that step (1) ratio of grinding media to material is 5:1.
3. the preparation method of Aludirome as claimed in claim 1, it is characterised in that pressure is during step (2) compacting embryo material
150-200MPa, dwell time 15min.
4. the preparation method of Aludirome as claimed in claim 1, it is characterised in that raw materials used percentage by weight is：
Chromium powder 20-35%, aluminium powder 8-12%, copper powder 1-2%, manganese powder 2-3%, silica flour 0.5-1%, titanium valve 1-2%, carbonization aluminium powder 1-
3%, surplus is iron powder.
5. the preparation method of Aludirome as claimed in claim 1, it is characterised in that raw materials used parts by weight are：Chromium
Powder 26%, aluminium powder 10%, copper powder 1%, manganese powder 2%, silica flour 0.8%, titanium valve 2%, be carbonized aluminium powder 1%, iron powder 57.2%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711444300.9A CN107937814A (en) | 2017-12-27 | 2017-12-27 | A kind of preparation method of Aludirome |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468000A (en) * | 2018-07-05 | 2018-08-31 | 赵云飞 | A kind of preparation method of ferrochrome material |
| CN109454231A (en) * | 2018-12-18 | 2019-03-12 | 湖北汽车工业学院 | A kind of preparation method of iron aluminium copper micropore filter material |
| CN111826571A (en) * | 2020-07-23 | 2020-10-27 | 矿冶科技集团有限公司 | Novel titanium carbide-iron chromium aluminum thermal spraying powder and preparation method thereof |
| CN112725648A (en) * | 2020-12-31 | 2021-04-30 | 安徽高德铝业有限公司 | Iron-chromium-aluminum alloy manufacturing process |
| CN113308644A (en) * | 2021-05-10 | 2021-08-27 | 江苏大学 | Iron-chromium-aluminum alloy material for improving high-temperature comprehensive performance by using vanadium-rare earth synergy and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1167838A (en) * | 1997-04-18 | 1997-12-17 | 冶金工业部钢铁研究总院 | Fe-Cr-Al alloy and its making method |
| CN101090986A (en) * | 2004-04-28 | 2007-12-19 | 蒂森克鲁普德国联合金属制造有限公司 | Iron-chrome-aluminum alloy |
| CN104233103A (en) * | 2014-08-26 | 2014-12-24 | 盐城市鑫洋电热材料有限公司 | Silicon-carbide-reinforced iron-chromium-aluminum electric heating composite material and preparation method thereof |
-
2017
- 2017-12-27 CN CN201711444300.9A patent/CN107937814A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1167838A (en) * | 1997-04-18 | 1997-12-17 | 冶金工业部钢铁研究总院 | Fe-Cr-Al alloy and its making method |
| CN101090986A (en) * | 2004-04-28 | 2007-12-19 | 蒂森克鲁普德国联合金属制造有限公司 | Iron-chrome-aluminum alloy |
| CN104233103A (en) * | 2014-08-26 | 2014-12-24 | 盐城市鑫洋电热材料有限公司 | Silicon-carbide-reinforced iron-chromium-aluminum electric heating composite material and preparation method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468000A (en) * | 2018-07-05 | 2018-08-31 | 赵云飞 | A kind of preparation method of ferrochrome material |
| CN109454231A (en) * | 2018-12-18 | 2019-03-12 | 湖北汽车工业学院 | A kind of preparation method of iron aluminium copper micropore filter material |
| CN109454231B (en) * | 2018-12-18 | 2021-02-05 | 湖北汽车工业学院 | Preparation method of iron-aluminum-copper alloy microporous filter material |
| CN111826571A (en) * | 2020-07-23 | 2020-10-27 | 矿冶科技集团有限公司 | Novel titanium carbide-iron chromium aluminum thermal spraying powder and preparation method thereof |
| CN111826571B (en) * | 2020-07-23 | 2021-07-09 | 矿冶科技集团有限公司 | Titanium carbide-iron chromium aluminum thermal spraying powder and preparation method thereof |
| CN112725648A (en) * | 2020-12-31 | 2021-04-30 | 安徽高德铝业有限公司 | Iron-chromium-aluminum alloy manufacturing process |
| CN113308644A (en) * | 2021-05-10 | 2021-08-27 | 江苏大学 | Iron-chromium-aluminum alloy material for improving high-temperature comprehensive performance by using vanadium-rare earth synergy and preparation method thereof |
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Application publication date: 20180420 |