CN101195905A - Composite plating process and equipment for magnetron sputtering-laser heating - Google Patents
Composite plating process and equipment for magnetron sputtering-laser heating Download PDFInfo
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- CN101195905A CN101195905A CNA2007100483863A CN200710048386A CN101195905A CN 101195905 A CN101195905 A CN 101195905A CN A2007100483863 A CNA2007100483863 A CN A2007100483863A CN 200710048386 A CN200710048386 A CN 200710048386A CN 101195905 A CN101195905 A CN 101195905A
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Abstract
The invention discloses the magnetron sputtering-laser heating composite diffusion coating technology and the equipment, by utilizing the magnetron sputtering and a laser heating device, a single diffusion coating layer or a composite diffusion coating layer with a diffusion layer and a sedimentary layer or the diffusion layer plus the sedimentary layer which comprises metal element and nonmetal element is formed on the surface of a conducting workpiece. The invention has the advantages that by utility a magnetron sputtering target, sufficient pre-diffusing alloy element can be provided; by utilizing the laser heating, the diffused material can heated to high temperature in a short time and the diffusing speed is greatly increased; the DEG Cree of vacuum of the metal for diffusing is increased at least one order of magnitude compared with the common alloying method, and the surface quality of the diffused workpiece can be greatly improved; the diffusion coating can be performed continuously, and the production in large area and large scale can be realized.
Description
Technical field:
The present invention relates to plasma surface metallurgic, specifically is a kind of magnetron sputtering-LASER HEATING CEM depositing process and equipment that can form alloy layer on the electro-conductive material surface.
Background technology:
At present, various device and the processing method of utilizing geseous discharge to carry out the plasma surface modification mainly contains: double-layer metallic glow ion cementation equipment and technology, multi sphere ionic diffusion coating apparatus and technology, magnetic controlled sputtering ion plating equipment and technology, direct current diode sputtering, direct current three utmost points or four utmost point sputter coating apparatus and technology etc.And in the above equipment and technology method, except that double-layer metallic glow ion cementation equipment and technology, all the other equipment and Technology all are to form deposition coating at material surface, do not have diffusion layer.Therefore film substrate bond strength is relatively poor, very easily produces and peels off.Double-layer metallic glow ion cementation equipment and technology adopt the glow-discharge sputtering of diarch that desire co-diffusioning alloy element is provided, because ionization level is lower, the unit time provides the limited amount of desire co-diffusioning alloy element, and the metallic cementation process is affected.In addition, during double-layer metallic glow ion cementation, oozed the heating of workpiece, by ion bombardment, rate of heating is slow, and the time is long, and grain growth is serious.Desire the diffusion of alloying atom, mainly be diffused as the master with intracrystalline, velocity of diffusion is very low.
Summary of the invention:
The objective of the invention is to provide a kind of magnetron sputtering and LASER HEATING utilized, form the technology of the single or composite cementation coating of the diffusion layer, settled layer or the diffusion layer+settled layer that comprise metallic element and non-metallic element on the electro-conductive material surface.
Another object of the present invention provides the equipment of realizing this CEM depositing process.
Magnetron sputtering of the present invention-LASER HEATING CEM depositing process comprises the following steps: successively by compliance
Will by ooze workpiece place in the vacuum vessel vertically back and forth travel mechanism and laterally in the reciprocator, oozed workpiece, back and forth travel mechanism, vacuum vessel are anode, ooze and quilt ooze workpiece material, be electro-conductive material;
2. magnetron sputtering target being placed the top of being oozed workpiece, the source electrode material of desiring the sputter alloying element is provided, is conduction or electrically nonconducting material;
3. vacuumize and reach final vacuum 3 * 10
-3More than the Pa;
4. the fill gas body medium is to the working vacuum degree, and gaseous media is ammonia or methane or argon gas;
5. add high-voltage DC power supply or high-voltage pulse power source or radio-frequency power supply to magnetron sputtering target, the variable range 0～2000V of voltage, the radio-frequency power supply in the magnetron sputtering power supply, its range of frequency is 13.56MHZ, 27.12MHZ;
6. workpiece surface is oozed in the laser scanning heating, and related laser heating device can be Nd:YAG laser apparatus or CO
2Laser apparatus, output laser power scope is from 100～10000W, optical maser wavelength: 10.6 μ m, beam diameter: φ 1mm～30mm, LASER HEATING is oozed and is expanded after technology finishes, and can form the single or composite cementation coating of diffusion layer, settled layer or the diffusion layer+settled layer that comprise metallic element and non-metallic element on the electro-conductive material surface.
During work, magnetron sputtering target provides sufficient a large amount of active metallic ion, atom or particle cluster, these active substances absorption or be deposited on and oozed workpiece surface.Laser heating device, periodic superpower high-density heat energy is provided, can several seconds at zero point within several seconds, repeatedly will be oozed the workpiece local heating to the high temperature more than the transformation temperature, adsorb and be deposited on the active substance rapid diffusion of being oozed workpiece surface and enter workpiece inside, formation infiltration layer or settled layer.As this moment working medium contain ammonia, methane isoreactivity gas, then can make workpiece surface form nitrogen, carburizing or carbo-nitridization layer.
Be used to realize that the equipment of technology of the present invention comprises:
Quilt on reciprocal travel mechanism in vacuum vessel, the vacuum vessel and the reciprocal travel mechanism oozes workpiece, air-bleed system, airing system, magnetron sputtering target, magnetron sputtering power supply, laser heating device.
The invention has the advantages that:
1. utilize magnetron sputtering target, competent desire co-diffusioning alloy element is provided.At short notice, provide a large amount of active ion combination gold elements, the needs that fully satisfy the substrate material surface deposition and infiltrate.
2. utilize laser heating device, superpower high-density heat energy is provided, will be oozed material in several seconds at zero point within several seconds and be heated to high temperature repeatedly, implement quick infiltration process;
3. the quilt that is under rapid heating, the short time high temperature condition oozes workpiece material, has possessed the energy condition of rapid diffusion, and permeating speed improves greatly, and the film-substrate cohesion of diffusion layer and settled layer strengthens.
4. the working vacuum degree during metallic cementation will improve at least 1 order of magnitude than general alloyage process, improve the surface quality of being oozed workpiece greatly.
5. can move continuously, can realize the big area production in enormous quantities.
Description of drawings:
Fig. 1 is magnetron sputtering of the present invention-LASER HEATING composite impregnation-plating equipment block diagram.
Label in the accompanying drawing is: magnetron sputtering target 1, magnetron sputtering power supply 2 is oozed workpiece 3, vacuum vessel 4, laser heating device 5, vertically reciprocal travel mechanism 6, laterally reciprocal travel mechanism 7, pumped vacuum systems 8, airing system 9 compositions such as grade.
Embodiment:
Below in conjunction with accompanying drawing the present invention is described in further detail.
To be of a size of 100mm * 100mm * 5mm, material is that the quilt of 20 steel oozes workpiece 3, be placed on the carriage of vertically reciprocal travel mechanism 6 and laterally reciprocal travel mechanism 7, selection is of a size of the magnetron sputtering target 1 of φ 100mm * 5mm (diameter * height), be arranged in the top of being oozed workpiece, magnetic control spattering target is the pure Mo of metal, vacuumizes to reach final vacuum 3 * 10
-3More than the pa, fill gas body medium argon gas adds high-voltage dc voltage-500V, ion sputtering target 20 minutes for earlier magnetron sputtering target 1 to working vacuum degree 10Pa, stop sputter, open horizontal reciprocator 7, laser heating device 5 scans heating and is oozed workpiece 3 surfaces simultaneously, horizontal reciprocating speed 100mm/min, treat that shape journey of transverse scan finishes, start vertically back and forth travel mechanism 6,1mm advances.Carry out the scanning of next shape journey.LASER HEATING ooze expand technology complete after, take out sample.Can obtain the Mo diffusion layer of 20 μ m and the Mo settled layer of 1 μ m.
Claims (9)
1. magnetron sputtering-LASER HEATING CEM depositing process, it is characterized in that: this method comprises the following steps: in order successively
(1) will be oozed workpiece puts on (3) vertically reciprocal travel mechanism (6) and laterally reciprocal travel mechanism (7) in vacuum vessel;
(2) magnetron sputtering target (1) is placed the top of being oozed workpiece (3);
(3) vacuumize and reach final vacuum 3 * 10
-3Pa;
(4) the fill gas body medium is to the working vacuum degree;
(5) add magnetron sputtering power supply (2) for magnetron sputtering target (1);
(6) workpiece (3) surface is oozed in the laser scanning heating, can oozed the single or composite cementation coating that workpiece (3) surface forms the diffusion layer, settled layer or the diffusion layer+settled layer that comprise metallic element and non-metallic element.
2. technology according to claim 1 is characterized in that: oozed workpiece (3), vertically walk reciprocator (6) and laterally reciprocal travel mechanism (7) and vacuum vessel (4) belongs to anode together.
3. technology according to claim 1 is characterized in that: the source electrode material of described desire sputter alloying element is conduction or electrically nonconducting material.
4. technology according to claim 1 is characterized in that: the described material that is oozed workpiece (3) is an electro-conductive material.
5. technology according to claim 1 is characterized in that: described magnetron sputtering power supply (2) can be: high-voltage DC power supply, high-voltage pulse power source and radio-frequency power supply, the variable range 0～2000V of voltage.
6. technology according to claim 1 is characterized in that: the radio-frequency power supply in the related magnetron sputtering power supply (2), its range of frequency are 13.56MHZ, 27.12MHZ.
7. technology according to claim 1 is characterized in that: described laser heating device (5) can be Nd:YAG laser apparatus or CO2 laser apparatus.Export the laser power scope from 100～10000W, optical maser wavelength: 10.6 μ m, beam diameter: φ 1mm～30mm.
8. technology according to claim 1 is characterized in that: the gaseous media that charges into is ammonia or methane or argon gas.
9. be used to realize the equipment of the technology of claim 1, comprise: in vacuum vessel (4), the vacuum vessel (4) vertically back and forth the quilt on travel mechanism (6) and laterally reciprocal travel mechanism (7) and this reciprocal travel mechanism ooze workpiece (3), pumped vacuum systems (8), airing system (9), magnetron sputtering target (1), magnetron sputtering power supply (2), laser heating device (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100483863A CN100537835C (en) | 2007-01-25 | 2007-01-25 | Magnetron sputtering-LASER HEATING CEM depositing process and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100483863A CN100537835C (en) | 2007-01-25 | 2007-01-25 | Magnetron sputtering-LASER HEATING CEM depositing process and equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101195905A true CN101195905A (en) | 2008-06-11 |
| CN100537835C CN100537835C (en) | 2009-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100483863A Expired - Fee Related CN100537835C (en) | 2007-01-25 | 2007-01-25 | Magnetron sputtering-LASER HEATING CEM depositing process and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100537835C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104651793A (en) * | 2015-03-19 | 2015-05-27 | 南通大学 | Preparation device and method for metal film on surface of polycrystalline silicon |
| CN104674216A (en) * | 2015-02-13 | 2015-06-03 | 深圳市华宇发真空离子技术有限公司 | Multifunctional infiltration furnace and diffusion coating and coating integrated method |
-
2007
- 2007-01-25 CN CNB2007100483863A patent/CN100537835C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104674216A (en) * | 2015-02-13 | 2015-06-03 | 深圳市华宇发真空离子技术有限公司 | Multifunctional infiltration furnace and diffusion coating and coating integrated method |
| CN104651793A (en) * | 2015-03-19 | 2015-05-27 | 南通大学 | Preparation device and method for metal film on surface of polycrystalline silicon |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100537835C (en) | 2009-09-09 |
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Granted publication date: 20090909 Termination date: 20100225 |