CN104357738A - Method for preparing Fe-Al alloy from nanometer material - Google Patents
Method for preparing Fe-Al alloy from nanometer material Download PDFInfo
- Publication number
- CN104357738A CN104357738A CN201410625081.4A CN201410625081A CN104357738A CN 104357738 A CN104357738 A CN 104357738A CN 201410625081 A CN201410625081 A CN 201410625081A CN 104357738 A CN104357738 A CN 104357738A
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- Prior art keywords
- ball
- alloy
- powder
- ball milling
- milling
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 title abstract description 3
- 238000000498 ball milling Methods 0.000 claims abstract description 22
- 238000002360 preparation method Methods 0.000 claims abstract description 16
- 239000000843 powder Substances 0.000 claims abstract description 15
- 238000005245 sintering Methods 0.000 claims abstract description 15
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000002131 composite material Substances 0.000 claims abstract description 9
- 239000010935 stainless steel Substances 0.000 claims abstract description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000002156 mixing Methods 0.000 claims abstract description 5
- 239000002086 nanomaterial Substances 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 claims description 5
- 238000005054 agglomeration Methods 0.000 claims description 4
- 230000002776 aggregation Effects 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 239000008187 granular material Substances 0.000 claims description 4
- 239000011858 nanopowder Substances 0.000 claims description 4
- 238000010792 warming Methods 0.000 claims description 4
- 229910017372 Fe3Al Inorganic materials 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 abstract description 2
- 238000009776 industrial production Methods 0.000 abstract description 2
- 238000007254 oxidation reaction Methods 0.000 abstract description 2
- KCZFLPPCFOHPNI-UHFFFAOYSA-N alumane;iron Chemical compound [AlH3].[Fe] KCZFLPPCFOHPNI-UHFFFAOYSA-N 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 238000002490 spark plasma sintering Methods 0.000 abstract 1
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010313 vacuum arc remelting Methods 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The invention provides a method for preparing a Fe-Al alloy from a nanometer material. The method comprises the following preparation processes and steps: preparing nanometer composite powder: uniformly mixing commercially available chemically pure iron powder and chemically pure aluminum powder according to a certain mass ratio by a mechanical ball-milling method, placing into a stainless steel mill pot, under the protection of Ar, adding an appropriate amount of alcohol and carrying out ball milling for several hours by virtue of a ball mill. The method has the beneficial effects that the ball milling and the vacuum sintering are performed under the protection of Ar so as to prevent oxidization of the iron-aluminum alloy and generation of impurities in the product; the fine and uniform nanoscale powder is obtained by the mechanical ball milling and is subjected to spark plasma sintering and thus the problem of growing of the Fe3Al compound is solved, and the elongation of the Fe-Al alloy is increased so that the sheet metal has good deep drawing property, and the obtained Fe-Al alloy has fine grains, uniform structure and no large-particle second phases; the method is environmentally friendly, free of pollution and small in energy consumption and the industrial production can be achieved.
Description
Technical field
The present invention relates to a kind of alloy making method, particularly a kind of nano material prepares the method for Fe-Al alloy.
Background technology
The smelting process that the preparation of Fe-Al alloy is mainly traditional.Fe-Al alloy melting method has a lot, comprises the methods such as vacuum induction melting, esr, vacuum arc remelting.The advantage of this balanced system Preparation Method is that cost is low, efficiency is high, but because Al and Fe solid solubility is very low, so melting is more difficult.Also there is as-cast structure coarse grains, component segregation, temperature-room type plasticity is low simultaneously, and fragility is large, makes the problems such as cast properties reduction.
Summary of the invention
For existing technical deficiency, the invention provides a kind of method that nano material prepares Fe-Al alloy.
To achieve these goals, the technical solution used in the present invention is: a kind of nano material prepares the method for Fe-Al alloy, has following preparation process and step:
A. the preparation of composite nano-powder: adopt mechanical attrition method, commercially available chemical pure iron powder is put into stainless steel jar mill by certain mass than after Homogeneous phase mixing with chemical pure aluminium powder, logical Ar gas shielded, adds appropriate alcohol, with ball mill ball milling a few hours;
Concrete technology parameter is as follows:
Al:Fe=1:(4 ~ 10), mass ratio;
Ball: powder=(5 ~ 10): 1, mass ratio;
Ball-milling Time=10 ~ 50h;
Rotational speed of ball-mill=200 ~ 500r/min;
Ethanol content: 50-90ml;
The Stainless Steel Ball diameter adopted is 2 ~ 6mm, and ball milling obtains nano level Fe-Al composite granule;
B. the powder after ball milling is put into mould and is sintered on vacuum discharge plasma agglomeration machine; Be incubated 1 ~ 25min after being warming up to sintering temperature with the speed of 20 ~ 220 DEG C/min in sintering process, axle pressure is 200 ~ 500MPa, and vacuum tightness is 3 ~ 6Pa, then cools to room temperature with the furnace, finally obtains Fe-Al alloy, and its processing parameter is as follows:
Sintering temperature 900 DEG C ~ 1300 DEG C;
Maximum DC-pulse intensity of flow 400A.
Cooling temperature 0 DEG C ~ 80 DEG C.
By the alloy that nano material is made, good toughness, intensity are high, non-corrosibility is strong, over-all properties is all fine.
Beneficial effect of the present invention: the present invention adopts Ar gas shielded ball milling, vacuum sintering prevents the oxidation of ferro-aluminium, prevents the generation of impurity in product.Mechanical ball milling obtains the nano level powder of fine uniform, carry out discharge plasma sintering again, solve the problem of growing up of Fe3Al compound, improve the unit elongation of Fe-Al alloy, make sheet material have excellent deep drawability, the Fe-Al alloy crystal grain obtained be tiny, even structure and without macrobead second-phase.And this production process is green, and pollution-free, energy consumption is little, can realize industrial production.
Embodiment:
Embodiment 1; Nano material prepares a method for Fe-Al alloy, has following preparation process and step:
A. the preparation of composite nano-powder: adopt mechanical attrition method, commercially available chemical pure iron powder is put into stainless steel jar mill by certain mass than after Homogeneous phase mixing with chemical pure aluminium powder, logical Ar gas shielded, adds appropriate alcohol, with ball mill ball milling a few hours;
Concrete technology parameter is as follows:
Al:Fe=1:4 mass ratio;
Ball: powder=5:1, mass ratio;
Ball-milling Time=10;
Rotational speed of ball-mill=200/min;
Ethanol content: 50ml;
The Stainless Steel Ball diameter adopted is 2, and ball milling obtains nano level Fe-Al composite granule;
B. the powder after ball milling is put into mould and is sintered on vacuum discharge plasma agglomeration machine; Be incubated 10min after being warming up to sintering temperature with the speed of 60 DEG C/min in sintering process, axle pressure is 200MPa, and vacuum tightness is 3Pa, then cools to room temperature with the furnace, finally obtains Fe-Al alloy, and its processing parameter is as follows:
Sintering temperature 1000 DEG C;
Maximum DC-pulse intensity of flow 400A.
Cooling temperature 50 DEG C.
Embodiment 2; Nano material prepares a method for Fe-Al alloy, has following preparation process and step:
A. the preparation of composite nano-powder: adopt mechanical attrition method, commercially available chemical pure iron powder is put into stainless steel jar mill by certain mass than after Homogeneous phase mixing with chemical pure aluminium powder, logical Ar gas shielded, adds appropriate alcohol, with ball mill ball milling a few hours;
Concrete technology parameter is as follows:
Al:Fe=1:10, mass ratio;
Ball: powder=10:1, mass ratio;
Ball-milling Time=50h;
Rotational speed of ball-mill=500r/min;
Ethanol content: 90ml;
The Stainless Steel Ball diameter adopted is 6mm, and ball milling obtains nano level Fe-Al composite granule;
B. the powder after ball milling is put into mould and is sintered on vacuum discharge plasma agglomeration machine; Be incubated 25min after being warming up to sintering temperature with the speed of 220 DEG C/min in sintering process, axle pressure is 500MPa, and vacuum tightness is 6Pa, then cools to room temperature with the furnace, finally obtains Fe-Al alloy, and its processing parameter is as follows:
Sintering temperature 1300 DEG C;
Maximum DC-pulse intensity of flow 400A.
Cooling temperature 80 DEG C.
By the alloy that nano material is made, good toughness, intensity are high, non-corrosibility is strong, over-all properties is all fine.
Claims (1)
1. prepare a method for Fe-Al alloy by nano material, it is characterized in that, there is following preparation process and step:
A. the preparation of composite nano-powder: adopt mechanical attrition method, commercially available chemical pure iron powder is put into stainless steel jar mill by certain mass than after Homogeneous phase mixing with chemical pure aluminium powder, logical Ar gas shielded, adds appropriate alcohol, with ball mill ball milling a few hours;
Concrete technology parameter is as follows:
Al:Fe=1:(4 ~ 10), mass ratio;
Ball: powder=(5 ~ 10): 1, mass ratio;
Ball-milling Time=10 ~ 50h;
Rotational speed of ball-mill=200 ~ 500r/min;
Ethanol content: 50-90ml;
The Stainless Steel Ball diameter adopted is 2 ~ 6mm, and ball milling obtains nano level Fe-Al composite granule;
B. the powder after ball milling is put into mould and is sintered on vacuum discharge plasma agglomeration machine; Be incubated 1 ~ 25min after being warming up to sintering temperature with the speed of 20 ~ 220 DEG C/min in sintering process, axle pressure is 200 ~ 500MPa, and vacuum tightness is 3 ~ 6Pa, then cools to room temperature with the furnace, finally obtains Fe-Al alloy, and its processing parameter is as follows:
Sintering temperature 900 DEG C ~ 1300 DEG C;
Maximum DC-pulse intensity of flow 400A.
Cooling temperature 0 DEG C ~ 80 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410625081.4A CN104357738A (en) | 2014-11-06 | 2014-11-06 | Method for preparing Fe-Al alloy from nanometer material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410625081.4A CN104357738A (en) | 2014-11-06 | 2014-11-06 | Method for preparing Fe-Al alloy from nanometer material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104357738A true CN104357738A (en) | 2015-02-18 |
Family
ID=52525043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410625081.4A Pending CN104357738A (en) | 2014-11-06 | 2014-11-06 | Method for preparing Fe-Al alloy from nanometer material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104357738A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106367683A (en) * | 2016-09-14 | 2017-02-01 | 西安工业大学 | Light and high-thermal conductivity Fe-Al-based alloy and preparation method thereof |
| CN110396603A (en) * | 2019-07-18 | 2019-11-01 | 西安交通大学 | A kind of remelting method of ferroaluminium |
| CN113444961A (en) * | 2021-06-09 | 2021-09-28 | 西安工业大学 | Light oxidation-resistant carbon nanotube reinforced iron-aluminum alloy and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60228654A (en) * | 1984-08-23 | 1985-11-13 | Kubota Ltd | Centrifugally-cast cast steel pipe having fe-al alloy layer having high resistance to corrosion by seawater |
| CN1140203A (en) * | 1995-04-20 | 1997-01-15 | 菲利普莫里斯生产公司 | Iron aluminide useful as electrical resistance heating element |
| CN103537688A (en) * | 2013-10-11 | 2014-01-29 | 上海大学 | Method for preparing Fe-Al alloy by using nano-powder |
-
2014
- 2014-11-06 CN CN201410625081.4A patent/CN104357738A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60228654A (en) * | 1984-08-23 | 1985-11-13 | Kubota Ltd | Centrifugally-cast cast steel pipe having fe-al alloy layer having high resistance to corrosion by seawater |
| CN1140203A (en) * | 1995-04-20 | 1997-01-15 | 菲利普莫里斯生产公司 | Iron aluminide useful as electrical resistance heating element |
| CN103537688A (en) * | 2013-10-11 | 2014-01-29 | 上海大学 | Method for preparing Fe-Al alloy by using nano-powder |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106367683A (en) * | 2016-09-14 | 2017-02-01 | 西安工业大学 | Light and high-thermal conductivity Fe-Al-based alloy and preparation method thereof |
| CN106367683B (en) * | 2016-09-14 | 2018-03-16 | 西安工业大学 | A kind of lightweight high heat conductance Fe Al based alloys and preparation method thereof |
| CN110396603A (en) * | 2019-07-18 | 2019-11-01 | 西安交通大学 | A kind of remelting method of ferroaluminium |
| CN110396603B (en) * | 2019-07-18 | 2020-10-27 | 西安交通大学 | Remelting method of iron-aluminum alloy |
| CN113444961A (en) * | 2021-06-09 | 2021-09-28 | 西安工业大学 | Light oxidation-resistant carbon nanotube reinforced iron-aluminum alloy and preparation method thereof |
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Application publication date: 20150218 |