CN106884115A - The preparation method of the magnetic artillery with high connductivity and resistance to high temperature oxidation - Google Patents
The preparation method of the magnetic artillery with high connductivity and resistance to high temperature oxidation Download PDFInfo
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- CN106884115A CN106884115A CN201710257206.6A CN201710257206A CN106884115A CN 106884115 A CN106884115 A CN 106884115A CN 201710257206 A CN201710257206 A CN 201710257206A CN 106884115 A CN106884115 A CN 106884115A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
- C22C27/02—Alloys based on vanadium, niobium, or tantalum
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- 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
- B22F3/12—Both compacting and sintering
- B22F3/16—Both compacting and sintering in successive or repeated steps
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- 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
- B22F3/20—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by extruding
-
- 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
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0047—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents
- C22C32/0052—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents only carbides
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0084—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ carbon or graphite as the main non-metallic constituent
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
- C23C10/18—Solid state diffusion of only metal elements or silicon into metallic material surfaces using liquids, e.g. salt baths, liquid suspensions
- C23C10/20—Solid state diffusion of only metal elements or silicon into metallic material surfaces using liquids, e.g. salt baths, liquid suspensions only one element being diffused
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/31—Coating with metals
- C23C18/32—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
- C23C28/023—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material only coatings of metal elements only
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
- F41B6/00—Electromagnetic launchers ; Plasma-actuated launchers
-
- 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
- B22F3/20—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by extruding
- B22F2003/208—Warm or hot extruding
-
- 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
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
- B22F2009/043—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by ball milling
-
- 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
Abstract
The invention discloses the preparation method with high connductivity and the magnetic artillery of resistance to high temperature oxidation, by the well mixed simultaneously ball milling of pure Cu powder and pure C powder；Pure Nb spheres of powder mill is taken to pulverize；The Cu C composite powders that will be obtained uniformly mix with pure Nb powder after ball milling；Cu NbC are reduced in hydrogen reducing furnace；The ingot blank heating reheating that copper sheathing will be wrapped is squeezed into bar or slab material；By basal body chemical plating nickel liquid chemical chromium plating liquid again, 120 160min are finally dried in the vacuum constant temperature drying box that temperature is 100~130 DEG C.
Description
Technical field
The present invention relates to magnetic artillery field, and in particular to the preparation side of the magnetic artillery with high connductivity and resistance to high temperature oxidation
Method.
Background technology
Copper alloy, aluminium alloy and magnesium alloy etc. have important in fields such as metallurgy, automobile, military equipment and Aero-Space
Application value and be widely applied prospect.But, this several alloy under arms during, main failure forms are that surface is easily produced
Heat crackle, attrition and attack.Therefore, improve its surface hardness, it is wear-resisting with corrosion resisting property to increasing economic efficiency and producing
Efficiency tool is of great significance.At present, the surface laser cladding high-strength highly-conductive acid bronze alloy coating in above-mentioned alloy is to carry
The important channel of surface abrasion resistance high and corrosion resisting property.But, in laser cladding process, copper-base alloy powder is easily aoxidized, and is led
Cause the thermal conductivity of coating, the reduction of wear-resisting and corrosion resistance.
The content of the invention
The technical problems to be solved by the invention are that existing magnetic artillery easily occurs high-temperature oxydation, and poorly conductive, are entered
And cause magnetic artillery life-span and service efficiency low, it is therefore intended that the system of the magnetic artillery with high connductivity and resistance to high temperature oxidation is provided
Preparation Method, solves the problems, such as that magnetic artillery life-span and service efficiency are low.
The present invention is achieved through the following technical solutions：
The preparation method of the magnetic artillery with high connductivity and resistance to high temperature oxidation, comprises the following steps：
(1) by Cu-NbC alloy each component percentage by weights, pure Cu powder is taken respectively and pure C powder is well mixed, in argon gas gas
The ball milling of 6-8h, rotational speed of ball-mill 500-600rpm, ratio of grinding media to material (10-15) are carried out under atmosphere protection：1, nanocrystalline Cu-C is obtained and is combined
Powder；
(2) pure Nb powder is taken again under argon gas atmosphere protection, with (5-10)：1 ratio of grinding media to material, under the rotating speed of 200-300rpm
Carry out 6-8h ball millings to pulverize, obtain the ultra-fine Nb powder with strain；
(3) after the Cu-C composite powders that will be obtained uniformly mix with pure Nb powder, ball milling, ball are carried out under argon gas atmosphere protection
Grinding process parameter is：Ratio of grinding media to material (15-20)：1, rotational speed of ball-mill 500-600rpm, Ball-milling Time 60-70h；
(4) the Cu-NbC nanometer crystal alloy powder that will be obtained in step (3) is placed in hydrogen reducing furnace, is heated to 650-
750 DEG C, insulation 2-3h is reduced；
(5) the Cu-NbC alloy billet anaerobic copper clads that will be obtained after vacuum heating-press sintering, seal after being made jacket, then
The ingot blank that copper sheathing will be wrapped is heated to 950-1000 DEG C under high pure nitrogen protection, is hot extruded into bar or slab material, hot extrusion
When 300-350 DEG C of mould temperature, extrusion ratio (25-40)：1；
(6) matrix obtained in step (5) has been added in churned mechanically chemical nickel-plating liquid is carried out at chemical nickel plating
Reason, after filtering, is washed with deionized water 3 times, finally dries 120- in the vacuum constant temperature drying box that temperature is 100~130 DEG C
160min；
(7) matrix in step (6) has been added in churned mechanically chemical chromium plating liquid carries out chemical chromium plating process, mistake
It is washed with deionized water after filter 3 times, finally dries 120-160min in the vacuum constant temperature drying box that temperature is 100~130 DEG C.
The preparation method of the magnetic artillery with high connductivity and resistance to high temperature oxidation, presses Cu-NbC alloys each in the step (1)
Weight percentages of components, takes pure Cu powder respectively and pure C powder is well mixed, and the ball milling of 7.5h, ball are carried out under argon gas atmosphere protection
Mill rotating speed 560rpm, ratio of grinding media to material (14)：1, nanocrystalline Cu-C composite powders are obtained.
The preparation method of the magnetic artillery with high connductivity and resistance to high temperature oxidation, the Cu-C that will be obtained in the step (3) is answered
After conjunction powder uniformly mixes with pure Nb powder, ball milling is carried out under argon gas atmosphere protection, milling parameters are：Ratio of grinding media to material (15-
20)：1, rotational speed of ball-mill 560rpm, Ball-milling Time 65h.
The preparation method of the magnetic artillery with high connductivity and resistance to high temperature oxidation, ingot blank is in high pure nitrogen in the step (5)
980 DEG C are heated under protection.
Further, first by Cu powder and C powder mixing and ball millings, can make C particle even dispersions is distributed in Cu bases to the present invention
In body, be conducive to the reaction in-situ between Nb and C during subsequent ball milling.
Therefore matrix of the invention has dispersion-strengtherning and the effect of refined crystalline strengthening concurrently and obtains superhigh intensity；When Nb fills with C
After dividing reaction, the purity of Cu matrixes is greatly improved, it is ensured that the excellent electric conductivity of alloy.
Because NbC has high heat endurance, therefore pinning dislocation and crystal boundary can be stablized, effectively suppress alloy and occur back
The problems such as recrystallization, and the intensity and conductance caused without overaging and high temperature back dissolving again drastically declines so that the alloy has
High temperature resistance softening properties high.
Surface of the present invention carries out chemical nickel plating and chemical chromium plating process, so as in one layer of nickel of Surface coating of matrix and one layer
Chromium, drastically increases thermal conductivity, hardness, the wear-corrosion resistance of basal body coating layer.
The present invention compared with prior art, has the following advantages and advantages：
1st, the preparation method of magnetic artillery of the present invention with high connductivity and resistance to high temperature oxidation, the present invention has preferably conductive
It is property, hardness, wear-resisting and corrosion-resistant；
2nd, the preparation method of magnetic artillery of the present invention with high connductivity and resistance to high temperature oxidation, surface of the present invention carries out chemical plating
Nickel and chemical chromium plating process, further increase its thermal conductivity, hardness, wear-corrosion resistance；
3rd, the preparation method of magnetic artillery of the present invention with high connductivity and resistance to high temperature oxidation, manufacture craft of the present invention is simple,
It is easy to operation.
Specific embodiment
To make the object, technical solutions and advantages of the present invention become more apparent, with reference to embodiment, the present invention is made
Further to describe in detail, exemplary embodiment of the invention and its explanation are only used for explaining the present invention, are not intended as to this
The restriction of invention.
Embodiment
The preparation method of magnetic artillery of the present invention with high connductivity and resistance to high temperature oxidation, comprises the following steps：
(1) by Cu-NbC alloy each component percentage by weights, pure Cu powder is taken respectively and pure C powder is well mixed, in argon gas gas
The ball milling of 6-8h, rotational speed of ball-mill 500-600rpm, ratio of grinding media to material (10-15) are carried out under atmosphere protection：1, nanocrystalline Cu-C is obtained and is combined
Powder；
(2) pure Nb powder is taken again under argon gas atmosphere protection, with (5-10)：1 ratio of grinding media to material, under the rotating speed of 200-300rpm
Carry out 6-8h ball millings to pulverize, obtain the ultra-fine Nb powder with strain；
(3) after the Cu-C composite powders that will be obtained uniformly mix with pure Nb powder, ball milling, ball are carried out under argon gas atmosphere protection
Grinding process parameter is：Ratio of grinding media to material (15-20)：1, rotational speed of ball-mill 500-600rpm, Ball-milling Time 60-70h；
(4) the Cu-NbC nanometer crystal alloy powder that will be obtained in step (3) is placed in hydrogen reducing furnace, is heated to 650-
750 DEG C, insulation 2-3h is reduced；
(5) the Cu-NbC alloy billet anaerobic copper clads that will be obtained after vacuum heating-press sintering, seal after being made jacket, then
The ingot blank that copper sheathing will be wrapped is heated to 950-1000 DEG C under high pure nitrogen protection, is hot extruded into bar or slab material, hot extrusion
When 300-350 DEG C of mould temperature, extrusion ratio (25-40)：1；
(6) matrix obtained in step (5) has been added in churned mechanically chemical nickel-plating liquid is carried out at chemical nickel plating
Reason, after filtering, is washed with deionized water 3 times, finally dries 120- in the vacuum constant temperature drying box that temperature is 100~130 DEG C
160min；
(7) matrix in step (6) has been added in churned mechanically chemical chromium plating liquid carries out chemical chromium plating process, mistake
It is washed with deionized water after filter 3 times, finally dries 120-160min in the vacuum constant temperature drying box that temperature is 100~130 DEG C.
The preparation method of the described magnetic artillery with high connductivity and resistance to high temperature oxidation, step presses Cu-NbC alloys in (1)
Each component percentage by weight, takes pure Cu powder respectively and pure C powder is well mixed, and the ball milling of 7.5h is carried out under argon gas atmosphere protection,
Rotational speed of ball-mill 560rpm, ratio of grinding media to material (14)：1, nanocrystalline Cu-C composite powders are obtained.
The preparation method of the described magnetic artillery with high connductivity and resistance to high temperature oxidation, will obtain in the step (3)
After Cu-C composite powders uniformly mix with pure Nb powder, ball milling is carried out under argon gas atmosphere protection, milling parameters are：Ratio of grinding media to material
(15-20)：1, rotational speed of ball-mill 560rpm, Ball-milling Time 65h.
The preparation method of the described magnetic artillery with high connductivity and resistance to high temperature oxidation, ingot blank is in height in the step (5)
980 DEG C are heated under purity nitrogen gas shielded.
Above-described specific embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that and the foregoing is only specific embodiment of the invention, be not intended to limit the present invention
Protection domain, all any modification, equivalent substitution and improvements within the spirit and principles in the present invention, done etc. all should include
Within protection scope of the present invention.
Claims (4)
1. there is the preparation method of the magnetic artillery of high connductivity and resistance to high temperature oxidation, it is characterised in that comprise the following steps：
(1) by Cu-NbC alloy each component percentage by weights, pure Cu powder is taken respectively and pure C powder is well mixed, protected in argon gas atmosphere
The ball milling of 6-8h, rotational speed of ball-mill 500-600rpm, ratio of grinding media to material (10-15) are carried out under shield：1, nanocrystalline Cu-C composite powders are obtained；
(2) pure Nb powder is taken again under argon gas atmosphere protection, with (5-10)：1 ratio of grinding media to material, is carried out under the rotating speed of 200-300rpm
6-8h ball millings pulverize, and obtain the ultra-fine Nb powder with strain；
(3) after the Cu-C composite powders that will be obtained uniformly mix with pure Nb powder, ball milling, ball milling work are carried out under argon gas atmosphere protection
Skill parameter is：Ratio of grinding media to material (15-20)：1, rotational speed of ball-mill 500-600rpm, Ball-milling Time 60-70h；
(4) the Cu-NbC nanometer crystal alloy powder that will be obtained in step (3) is placed in hydrogen reducing furnace, is heated to 650-750 DEG C,
Insulation 2-3h is reduced；
(5) the Cu-NbC alloy billet anaerobic copper clads that will be obtained after vacuum heating-press sintering, seal after being made jacket, then will bag
The ingot blank of good copper sheathing is heated to 950-1000 DEG C under high pure nitrogen protection, is hot extruded into bar or slab material, mould during hot extrusion
Warm 300-350 DEG C, extrusion ratio (25-40)：1；
(6) matrix obtained in step (5) has been added in churned mechanically chemical nickel-plating liquid carries out chemical nickel plating treatment, mistake
After filter, it is washed with deionized water 3 times, finally dries 120-160min in the vacuum constant temperature drying box that temperature is 100~130 DEG C；
(7) matrix in step (6) has been added in churned mechanically chemical chromium plating liquid carries out chemical chromium plating process, after filtering
It is washed with deionized water 3 times, finally dries 120-160min in the vacuum constant temperature drying box that temperature is 100~130 DEG C.
2. the preparation method of the magnetic artillery with high connductivity and resistance to high temperature oxidation according to claim 1, it is characterised in that
Cu-NbC alloy each component percentage by weights are pressed in the step (1), pure Cu powder is taken respectively and pure C powder is well mixed, in argon gas
The ball milling of 7.5h, rotational speed of ball-mill 560rpm, ratio of grinding media to material (14) are carried out under atmosphere protection：1, nanocrystalline Cu-C composite powders are obtained.
3. the preparation method of the magnetic artillery with high connductivity and resistance to high temperature oxidation according to claim 1, it is characterised in that
After the Cu-C composite powders that will be obtained in the step (3) uniformly mix with pure Nb powder, ball milling is carried out under argon gas atmosphere protection,
Milling parameters are：Ratio of grinding media to material (15-20)：1, rotational speed of ball-mill 560rpm, Ball-milling Time 65h.
4. the preparation method of the magnetic artillery with high connductivity and resistance to high temperature oxidation according to claim 1, it is characterised in that
Ingot blank is heated to 980 DEG C under high pure nitrogen protection in the step (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710257206.6A CN106884115A (en) | 2017-04-19 | 2017-04-19 | The preparation method of the magnetic artillery with high connductivity and resistance to high temperature oxidation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710257206.6A CN106884115A (en) | 2017-04-19 | 2017-04-19 | The preparation method of the magnetic artillery with high connductivity and resistance to high temperature oxidation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107338435A (en) * | 2017-06-26 | 2017-11-10 | 华东交通大学 | A kind of mixed-powder and preparation method of fine copper synchronous powder feeding system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102528025A (en) * | 2012-01-31 | 2012-07-04 | 南昌航空大学 | Method for preparing core-shell type copper-based alloy powder capable of resisting high-temperature oxidization |
| CN104032152A (en) * | 2014-05-14 | 2014-09-10 | 苏州金江铜业有限公司 | Preparation method for Cu-Nb nano-dispersion reinforced copper alloy |
| CN106399742A (en) * | 2016-06-08 | 2017-02-15 | 中国计量学院 | Cu-NbC nanometer dispersion strengthened copper alloy and preparation method thereof |
-
2017
- 2017-04-19 CN CN201710257206.6A patent/CN106884115A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102528025A (en) * | 2012-01-31 | 2012-07-04 | 南昌航空大学 | Method for preparing core-shell type copper-based alloy powder capable of resisting high-temperature oxidization |
| CN104032152A (en) * | 2014-05-14 | 2014-09-10 | 苏州金江铜业有限公司 | Preparation method for Cu-Nb nano-dispersion reinforced copper alloy |
| CN106399742A (en) * | 2016-06-08 | 2017-02-15 | 中国计量学院 | Cu-NbC nanometer dispersion strengthened copper alloy and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107338435A (en) * | 2017-06-26 | 2017-11-10 | 华东交通大学 | A kind of mixed-powder and preparation method of fine copper synchronous powder feeding system |
| CN107338435B (en) * | 2017-06-26 | 2022-02-18 | 华东交通大学 | Mixed powder for synchronously feeding pure copper and preparation method thereof |
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Application publication date: 20170623 |