CN1631564A - Method for preparing constructional gradient material - Google Patents
Method for preparing constructional gradient material Download PDFInfo
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- CN1631564A CN1631564A CN 200510011166 CN200510011166A CN1631564A CN 1631564 A CN1631564 A CN 1631564A CN 200510011166 CN200510011166 CN 200510011166 CN 200510011166 A CN200510011166 A CN 200510011166A CN 1631564 A CN1631564 A CN 1631564A
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Abstract
The invention offers a producing way of construction gradient material, concrete way is: clean the surface of metal material A1, A2 by degreasing and acid washing craft; make the matching surface hard using steel brush; seal completely by welded under the protection of argon gas; heat in the heating stove, the temperature is under crystallizing again temperature 0-50 degC, and keep the temperature for 30--60mins; roll them on the common rolling mill to 50--70%; repeat the steps above using material A3, until meet the design request. The advantages of the invention are: not only alleviate the material crush, but also obstruct the crack expanding. We can produce construction gradient material continually, using in aviation, machine, chemical engineering, metallurgy and so on field.
Description
Technical field
The invention belongs to the preparation method of metal material processing preparing technical field, particularly a kind of constructional gradient material.
Background technology
As a kind of new material, function-graded material is special because of its performance, in aviation, space flight, machinery, chemical field has a extensive future, present preparation method is: powder metallurgic method, combustion synthesis method, centre spinning, plasma spraying method, vapor deposition method etc., " material Leader " the 3rd phase in 1996 " present Research of novel gradient functional material and prospect " that China publishes has been delivered the preparation method of above-mentioned functions functionally gradient material (FGM), do not find " constructional gradient material preparation method " identical or close with the present invention that the preparation method's who exists outstanding shortcoming one is at present; The FGM sample volume that has prepared is little, does not also possess more practical value; The 2nd, the small size function-graded material of preparation only possesses the stress alleviating function and does not possess stress prevention type function.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of constructional gradient material, realized preparation large volume FGM, and possess stress mitigation, stress prevention function.
Utilize present ubiquitous rolling equipment on the basis of the rolling therory of comparative maturity, interface binding isotherm, diffusion theory etc., by the method for accumulation layer ply rolling system interfacial weld, with same material or the effective people of non-same material for combining.
The present invention adopts " accumulation layer ply rolling method for making " preparation constructional gradient material.Concrete grammar is:
(1) with metal material A
1, A
2The surface is clean by PROCESS FOR TREATMENT such as degreasing, pickling, rinsing, dryings;
(2) use the superposed surfaces work hardening of wire brush, fully expose fresh metal up to the metal surface material;
(3) with metal material A
1, A
2Fold and be incorporated in welded seal under the argon shield;
(4) 0 ℃～50 ℃ insulations 30～60 minutes below the recrystallization temperature of material of the metal material that assembles with heating furnace heating, heating-up temperature;
(5) with passage of mill milling, a drafts 50%～70%;
(6) with materials A
3Repeat according to (1)～(5) step with above finished material;
(7) with A
3Become A
4, A
5Repeat (1)～(6) step, up to meeting design requirement;
(8) with final products below the recrystallization temperature of material 0 ℃～50 ℃ the insulation 30～60 minutes.
A of the present invention represents metal materials such as steel, aluminium, described A
1, A
2, A
3, A
4Represent the polylith metal material of the same race of different sizes such as steel or aluminium, wherein respectively with preceding once distortion after material measure-alike.
Materials A
1, A
2, A
3Can be the different same material of size, what obtain like this be the structure organization functionally gradient material (FGM); Can be the different materials of size heterogeneity gradual change also, what obtain like this be the constructional gradient material of tissue, the equal gradual change of composition.The accumulation stacked direction can be to A
1The face direction also can be to A
2Direction, or stacked to the both direction accumulation simultaneously.The present invention can prepare the large scale constructional gradient material by continuous large-scale; Because the constructional gradient material of this invention preparation has most interfaces, slows down function but also has stress, crackle block function so the material of preparation not only has stress; The range of application of material enlarges.
The invention has the advantages that the composition, tissue, the defective that make material change continuously, not only can effectively relax the material fracture that stress mutation causes but also can stop the expansion of stress and stress fracturing line.And can continuously production large scale constructional gradient material, being used on the device structure in fields such as space flight, aviation, nuclear industry, machinery, chemical industry, metallurgy becomes possibility.
The specific embodiment
Below by example the present invention is done further understanding:
Example 1 accumulation layer ply rolling method for making prepares the aluminum alloy gradient structural material
(1) aluminum alloy surface degreasing, pickling, rinsing, drying that two chip sizes are identical;
(2) with aluminum alloy materials will be superimposed face scrub with wire brush and make its work hardening;
(3) two aluminium alloys are superimposed, use argon arc welding sealing on every side;
(4) be heated to below the recrystallization temperature with heating furnace, temperature is 120 ℃, is incubated 30 minutes, and is rolling with conventional mill, a drafts 50%;
(5) another piece aluminium alloy that will handle and above finished material be superimposed to repeat above step;
(6) repeat (1)～(5) step 4 time;
(7) the gained material is incubated 60 minutes at 80 ℃;
(8) the gained material being used cutter cuts edge on every side.
Example 2 accumulation layer ply rolling method for makings prepare fine aluminium gradient-structure material
(1) fine aluminium that two chip sizes are identical surface degreasing, pickling, rinsing, drying;
(2) with pure aluminum material will be superimposed face scrub with wire brush and make its work hardening;
(3) two fine aluminiums are superimposed, the application of pure aluminium rivet is fixed four jiaos;
(4) room temperature, rolling with conventional mill, a drafts 70%;
(5) the gained material is incubated 30 minutes at 120 ℃;
(6) repeat above step (1)～(5) with another piece fine aluminium and above finished material;
(7) repeat (1)～(6) step 6 time;
(8) the gained material is incubated 30 minutes at 80 ℃;
(9) the gained material being used cutter cuts edge on every side.
The grain size of gained material from the upper surface to the lower surface changes and can change continuously to 20 μ m from 100nm, and intensity can change from 90Mpa to 400Mpa continuously, and changing continuously also appears in hardness, corrosion resistance etc.
Example 3 accumulation layer ply rolling method for makings prepare the straight carbon steel constructional gradient material
(1) the common carbon steel board A that phosphorus content is gradually changed
1, A
2, A
3, A
4.. the surface is clean through PROCESS FOR TREATMENT such as degreasing, pickling, rinsings;
(2) surface applications wire brush that will be superimposed is scrubbed and is made its work hardening;
(3) with steel plate A
1, A
2Superimposed application argon arc welding seals around making it;
(4) material is heated to 680 ℃ of insulations 60 minutes;
(5) rolling stock, a drafts 50%;
(6) with steel plate A
3Be compounded in A
1, A
2On repeat above (4) (5) step;
(7) repeat (4)～(6) step with steel plate A
3Be changed to A
4
(8) with final material at 500 ℃, be incubated 60 minutes, air cooling.
(9) will cut edge around the gained material with bead cutter.
Example 4 is with other step, the parameter constant of example 3, and step (4) insulation became insulation 30 minutes in 60 minutes; (5) drafts 50% of step become 70%.Then prepare difficulty and strengthen, still, better effects if.
The grain size of resulting structures functionally gradient material (FGM) from the upper surface to the lower surface changes and can change continuously to 20 μ m from 0.5 μ m, and intensity can change from 300Mpa to 1000Mpa continuously, and changing continuously also appears in composition, hardness, corrosion resistance etc.
Claims (2)
1, a kind of preparation method of constructional gradient material is characterized in that: concrete grammar is:
A, with metal material A
1, A
2The surface is handled clean by degreasing, pickling, rinsing, drying process;
B, use the superposed surfaces work hardening of wire brush, fully expose fresh metal up to the metal surface material;
C, with metal material A
1, A
2Fold and be incorporated in welded seal under the argon shield;
0 ℃～50 ℃ insulations 30～60 minutes below the recrystallization temperature of material of d, the metal material that assembles with heating furnace heating, heating-up temperature;
E, passage of usefulness mill milling, a drafts 50%～70%;
F, with materials A
3Repeat according to a～e step with above finished material;
G, with A
3Become A
4, A
5Repeat (1)～(6) step, up to meeting design requirement;
H, with final products below the recrystallization temperature of material 0 ℃～50 ℃ the insulation 30～60 minutes.
2, in accordance with the method for claim 1, it is characterized in that: described A represents steel, aluminum metallic material, described A
1, A
2, A
3, A
4Represent the polylith metal material of the same race of steel or aluminium different size, wherein respectively with preceding once distortion after material measure-alike.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100111664A CN1325181C (en) | 2005-01-14 | 2005-01-14 | Method for preparing constructional gradient material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100111664A CN1325181C (en) | 2005-01-14 | 2005-01-14 | Method for preparing constructional gradient material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1631564A true CN1631564A (en) | 2005-06-29 |
| CN1325181C CN1325181C (en) | 2007-07-11 |
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ID=34853111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100111664A Expired - Fee Related CN1325181C (en) | 2005-01-14 | 2005-01-14 | Method for preparing constructional gradient material |
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| Country | Link |
|---|---|
| CN (1) | CN1325181C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104438322A (en) * | 2014-10-23 | 2015-03-25 | 重庆大学 | Method for preparing metal layered micro-gradient composite material |
| CN105642714A (en) * | 2016-01-11 | 2016-06-08 | 上海应用技术学院 | Rolling device for manufacturing sheet metal gradient structure |
| CN109201737A (en) * | 2018-11-02 | 2019-01-15 | 中南大学 | A kind of center portion be Ultra-fine Grained and surface layer be coarse-grain Gradient Materials rolling preparation method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4141482A (en) * | 1977-04-25 | 1979-02-27 | Reynolds Metals Company | Laminated compacted particle aluminum sheet |
| CN1044585C (en) * | 1994-07-08 | 1999-08-11 | 孟庆连 | Method for continuously making metal composite sheet or composite coil |
| CN1038183C (en) * | 1995-12-27 | 1998-04-29 | 昆明贵金属研究所 | Composite solder and its prodn process |
| CN1044576C (en) * | 1996-01-19 | 1999-08-11 | 东北大学 | Layer compound material off-set deformation compound-rolling technology |
| CN1073892C (en) * | 1998-05-22 | 2001-10-31 | 陈忠林 | Method of mfg. metal compounded plate |
| JP3745124B2 (en) * | 1998-08-17 | 2006-02-15 | 日本金属工業株式会社 | Method for producing a plate-like or coil-like metal material having a fine metal structure or non-metallic inclusions and little segregation of components |
| JP2961263B1 (en) * | 1998-08-28 | 1999-10-12 | 大阪大学長 | Manufacturing method of ultra-fine structure high strength metal sheet by repeated lap joint rolling |
| JP2002206116A (en) * | 2001-01-09 | 2002-07-26 | Yoshihiro Saito | METHOD FOR MANUFACTURING Fe-Ni-TYPE PLATE MATERIAL |
-
2005
- 2005-01-14 CN CNB2005100111664A patent/CN1325181C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104438322A (en) * | 2014-10-23 | 2015-03-25 | 重庆大学 | Method for preparing metal layered micro-gradient composite material |
| CN105642714A (en) * | 2016-01-11 | 2016-06-08 | 上海应用技术学院 | Rolling device for manufacturing sheet metal gradient structure |
| CN109201737A (en) * | 2018-11-02 | 2019-01-15 | 中南大学 | A kind of center portion be Ultra-fine Grained and surface layer be coarse-grain Gradient Materials rolling preparation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1325181C (en) | 2007-07-11 |
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Granted publication date: 20070711 Termination date: 20100222 |