CN105097381B - Laser shock life-prolonging method of tungsten electrode of short-arc lamp - Google Patents
Laser shock life-prolonging method of tungsten electrode of short-arc lamp Download PDFInfo
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- CN105097381B CN105097381B CN201410187970.7A CN201410187970A CN105097381B CN 105097381 B CN105097381 B CN 105097381B CN 201410187970 A CN201410187970 A CN 201410187970A CN 105097381 B CN105097381 B CN 105097381B
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Abstract
The invention discloses a laser shock life-prolonging method of the tungsten electrode of a short-arc lamp. The method comprises: cleaning a workpiece with deionized water, blow-drying the workpiece with nitrogen, and placing the dried workpiece in a drying box at the temperature of 100 degrees centigrade to dry the workpiece for 10 minutes; covering the operating end face of the tungsten electrode with an absorption layer to adsorb laser energy in order to prevent the laser from damaging the surface of the tungsten electrode; installing the tungsten electrode on a workbench and applying a constraint layer to the absorption layer in order to constrain an increase in the shock force of a laser shock wave; performing pre-impact life-prolonging treatment and impact life-prolonging treatment by using a laser beam with a pulse width of 3 to 40ns, a wavelength of 532 or 1064nm, laser energy of 0.5 to 20J, repetition frequency of 0.1 to 10Hz, a laser beam diameter of 0.5 1o 10mm; removing the absorption layer coating the operating end face of the tungsten electrode; cleaning the workpiece with deionized water and blow-drying the workpiece with dry nitrogen in order to assemble the short-arc lamp. The laser shock life-prolonging method is simple in technology, obvious in life-prolonging effect, high in efficiency, low in cost, and little in pollution.
Description
Technical field
The present invention relates to apply in industrial ultra-high voltage capillary mercury lamp, spherical short arc mercury xenon lamp and amusement/film industry
With fields such as globular short-arc xenons, and in particular to a kind of short-arc lamp tungsten electrode laser-impact life-prolonging method.
Background technology
Tungsten has the characteristic such as high-melting-point, high intensity, high-moduluss, high rigidity, wear-resisting, corrosion-resistant, is used for system at present
Make the aspects such as filament, electric contact, thermocouple.Especially it is widely used on ultrahigh-voltage short arc lamp.Ultrahigh-voltage short arc lamp is multiplex at present
In amusement/film industry and IC equipment industries, but as supertension, high heat cause the burn-out life of short-arc lamp generally inclined
It is low, frequently replacing is usually needed in actual use, causes service efficiency low, use cost is higher.Current tungsten electrode prolongs
Longevity multiplex tungsten alloys method, although can preferably improve the life-span of tungsten, but relative cost is higher.
The content of the invention
It is an object of the invention to provide a kind of laser-impact life-prolonging method of short-arc lamp tungsten electrode, prolongs short-arc lamp tungsten electrode
Long life, the method are simple to operate, low cost, green non-pollution, effect is significant of lengthening the life.
The technical scheme is that：
(1) finished surface covers absorbed layer：In clean room, a layer thickness is covered for 80- in the operative end surface of tungsten electrode
150 μm of absorbed layer, absorbed layer are pitch-dark, aluminium foil or the one kind in black tape；
(2) apply restraint layer：The tungsten electrode that will be covered with absorbed layer is installed on the table, on absorbed layer applies one layer
Restraint layer of the thickness for 1-3mm, restraint layer are transparent glass or the one kind in deionized water；
(3) tungsten electrode pre-impact life-extension treatment：The operative end surface of tungsten electrode towards laser beam, with pulsewidth as 3-40ns, ripple
A length of 532nm or 1064nm, laser energy are 0.5-10J, repetition rate is 0.1-10Hz, beam diameter swashing for 0.5-10mm
Light beam carries out pre-impact life-extension treatment, and wherein hot spot overlapping rate is 0-50%, is impacted 1-2 time；
(4) tungsten electrode impact life-extension treatment：After pre-impact life-extension treatment, with pulsewidth as 3-40ns, wavelength as 532nm or
1064nm, laser energy are 1-20J (generally 2 times of pre-impact life-extension treatment energy), repetition rate is 0.1-10Hz, light beam
The laser beam of a diameter of 0.5-10mm carries out impact life-extension treatment, and wherein hot spot overlapping rate is 0-50%, is impacted 2-6 time；
Before finished surface covers absorbed layer, tungsten electrode surface needs to anticipate the present invention：
Tungsten electrode is put in the supersonic cleaning machine equipped with water temperature for 22 ± 2 DEG C of deionized waters, supersonic frequency is 38-
47kHz, cleans 8-10min；Dried up with the drying nitrogen of 0.4-0.8MPa again, be dried in being then placed in 100 DEG C of drying baker
10min；
The present invention need to be cleaned to surface of the work after tungsten electrode impact life-extension treatment：
The absorbed layer of tungsten electrode operative end surface coating is removed, the tungsten electrode Jing after impact life-extension treatment is put into equipped with temperature
In for the supersonic cleaning machine of 22 ± 2 DEG C, alcohol concentration for 75-95%, supersonic frequency is 38-47kHz, cleans 10-15min, so
Afterwards using after deionized water rinsing 1-2min, dried up with dry nitrogen, you can give over to short-arc lamp assembling.
As described in step 3,4, wherein tungsten electrode pre-impact life-extension treatment using laser energy be tungsten electrode impact lengthen the life
/ 2nd of the laser energy that process is used.
The purpose that middle cleaning is anticipated on above-mentioned tungsten electrode surface is to ensure not residual organic matter matter and early stage on workpiece
The chip that tungsten electrode radiating screw chasing is stayed；
Dry purpose is prepared for the stickup or coating of subsequent absorption layer, improves the knot on absorbed layer and tungsten electrode surface
With joint efforts.
The thickness requirement of the absorbed layer that above-mentioned steps 1 are pasted or coated is uniform, depletion of QI between absorbed layer and tungsten electrode surface
Bubble.
The restraint layer that above-mentioned steps 2 apply is if glass, it is desirable to which glass can pass through swashing for wavelength 532nm and 1064nm
Light beam, and require closed seamless gap of fitting between glass and absorbed layer.If apply restraint layer be deionized water, it is desirable to go from
The thickness of sub- water layer is uniform, without wave and splashing.
Pre-impact life-extension treatment of the present invention and impact life-extension treatment more excellent condition be：Cover in the operative end surface of tungsten electrode
Black tape after one layer 120 μm of lid, the then deionized water restraint layer after black glue belt surface applies one layer of 2mm, pre-impact prolongs
Longevity is processed：Pulsewidth is 12ns, wavelength is 1064nm, laser energy is 3.5J, repetition rate is 2Hz, beam diameter is the sharp of 2mm
Light beam carries out pre-impact life-extension treatment, and wherein hot spot overlapping rate is 20%, is impacted 1 time.Again with pulsewidth as 12ns, wavelength be
1064nm, laser energy are 7J, the laser beam that repetition rate is 2Hz, beam diameter is 2mm carries out impact life-extension treatment, wherein
Hot spot overlapping rate is 20%, is impacted 2 times.
Tungsten electrode of the present invention is cylindric, and two ends of cylinder cut into the frustum of a cone (bottom surface of the frustum of a cone
I.e. the radial section of cylinder, forms circular cone shape end face)；One end is operative end surface, and which is plane；Tail end is (away from working end
The other end in face) circular hole with conducting wire (blind hole), cylinder (outer surface of cylinder and the frustum of a cone) is provided with screw-type
Radiating groove-radiating screw thread.
Tungsten electrode operative end surface of the present invention refers to that electrion ionized gas produces the tungsten electrode surface of electric arc.
Pitch-dark, black tape of the present invention is opaque for the laser beam of 532nm or 1064nm, when laser beam irradiation exists
During pitch-dark, black glue belt surface, pitch-dark, black tape can absorb laser energy, produce the plasma of High Temperature High Pressure, and prevent from swashing
Light beam burn tungsten electrode surface.The 3M471 adhesive tapes of such as 3M companies, 3M425 adhesive tapes, deer head 42m adhesive tapes, the 4- of 3M companies
1000 aluminum foil and adhesive tapes, big bridge model 600 it is pitch-dark.
Clean room of the present invention is ten thousand grades of clean rooms (being also called dust free room or clean room), according to GB/T16292-
1996, air purity grade scale such as table 1：
Air purity grade scale in table 1GB/T16292-1996
Lengthen the life the cost of processing to reduce short-arc lamp, the present invention proposes laser-impact life-prolonging technique.Laser-impact is lengthened the life skill
Art is the laser irradiation metal surface of the high-energy-density using short pulse, absorbed layer (pitch-dark, aluminium foil, the black glue of metal surface
Band etc.) absorb laser energy explosive vaporization occurs, the steam after vaporization drastically absorbs laser energy and forms high temperature, high pressure
Plasma, plasma suffer restraints the constraint of layer (water, optical glass etc.), form high intensity pressure surge, act on
Metal surface is simultaneously propagated to metal inside, and as this shock wave pressure is up to several GPa, its peak stress is far longer than material
Dynamic yield strength, make material surface that strong plastic deformation to occur, cause distortion of lattice, dislocation and crystal grain refinement, so as to
The intensity and hardness of metal surface are improved, and then improves the service life of workpiece.Short-arc lamp laser-impact life-prolonging technique, operative employee
Skill is simple, be a kind of low cost, life-prolonging technique efficiently, green.
The present invention has the beneficial effect that：
1st, lengthened the life by laser-impact, tungsten electrode surface microhardness can improve more than 20%；
2nd, lengthened the life by laser-impact, can effectively prevent the microcrack initiation on tungsten electrode surface；
3rd, lengthened the life by laser-impact, the service life more than 30% of short-arc lamp can be improved；
4th, lengthened the life by laser-impact, short-arc lamp glass lamp blackening can be slowed down, improve the stability of short-arc lamp high illumination.
Description of the drawings
Fig. 1 is that short-arc lamp tungsten electrode laser-impact of the present invention is lengthened the life process chart.
Specific embodiment
Embodiment 1
Material for test：The short arc mercury xenon lamp tungsten electrode of model 5000R of Shenzhen Kai Shi Electro-optical Technology, INC. (US) 62 Martin Road, Concord, Massachusetts 017；
During tungsten electrode is put into equipped with the supersonic cleaning machine that water temperature is 23 DEG C of deionized waters, supersonic frequency is 40kHz, cleaning
9min；
Dried up with the nitrogen of the drying of 0.6MPa, in being then placed in 100 DEG C of drying baker, be dried 10min；
In ten thousand grades of clean rooms, the absorbed layer that a layer thickness is 120 μm is covered in the operative end surface (front end) of tungsten electrode black
Adhesive tape；
The tungsten electrode that will be covered with absorbed layer is installed on the table, and the front end of tungsten electrode is towards laser beam, and is absorbing
Apply the thick restraint layer of a layer thickness 2mm on layer, restraint layer selects deionized water；
With pulsewidth as 12ns, wavelength as 1064nm, laser energy as 3.5J, repetition rate as 2Hz, beam diameter is as 2mm
Laser beam carry out pre-impact life-extension treatment, wherein hot spot overlapping rate is 20%, is impacted 1 time；
Again with pulsewidth as 12ns, wavelength as 1064nm, laser energy as 7J, repetition rate as 2Hz, beam diameter is as 2mm
Laser beam carry out impact life-extension treatment, wherein hot spot overlapping rate is 20%, is impacted 2 times；
The absorbed layer of tungsten electrode operative end surface coating is removed afterwards：It is 24 DEG C that tungsten electrode is put into equipped with temperature, and ethanol is dense
Spend in the supersonic cleaning machine for 90%, supersonic frequency is 40kHz, clean 10min, then using using after deionized water rinsing 2min
Dry nitrogen is dried up, and gives over to short-arc lamp assembling.
Embodiment 2
Material for test：The short arc mercury xenon lamp tungsten electrode of model 5000R of Shenzhen Kai Shi Electro-optical Technology, INC. (US) 62 Martin Road, Concord, Massachusetts 017；
During tungsten electrode is put into equipped with the supersonic cleaning machine that water temperature is 23 DEG C of deionized waters, supersonic frequency is 40kHz, cleaning
9min；
Dried up with the nitrogen of the drying of 0.6MPa, in being then placed in 100 DEG C of drying baker, be dried 10min；
In ten thousand grades of clean rooms, the absorbed layer aluminum that a layer thickness is 120 μm is covered in the operative end surface (front end) of tungsten electrode
Paper tinsel；
The tungsten electrode that will be covered with absorbed layer is installed on the table, and the front end of tungsten electrode is towards laser beam, and is absorbing
Apply the thick restraint layer of a layer thickness 2.5mm on layer, restraint layer selects deionized water；
With pulsewidth as 17ns, wavelength as 1064nm, laser energy as 4J, repetition rate as 2Hz, beam diameter is as 2mm
Laser beam carries out pre-impact life-extension treatment, and wherein hot spot overlapping rate is 20%, is impacted 1 time；
Again with pulsewidth as 17ns, wavelength as 1064nm, laser energy as 7.5J, repetition rate as 2Hz, beam diameter be
The laser beam of 2mm carries out impact life-extension treatment, and wherein hot spot overlapping rate is 20%, is impacted 2 times；
The absorbed layer of tungsten electrode operative end surface coating is removed afterwards：By tungsten electrode be put into equipped with temperature be 24 DEG C, ethanol it is dense
Spend in the supersonic cleaning machine for 90%, supersonic frequency is 40kHz, clean 10min, then using using after deionized water rinsing 2min
Dry nitrogen is dried up, and gives over to short-arc lamp assembling.
Embodiment 3
Material for test：The short arc mercury xenon lamp tungsten electrode of model 5000R of Shenzhen Kai Shi Electro-optical Technology, INC. (US) 62 Martin Road, Concord, Massachusetts 017；
During tungsten electrode is put into equipped with the supersonic cleaning machine that water temperature is 23 DEG C of deionized waters, supersonic frequency is 40kHz, cleaning
9min；
Dried up with the nitrogen of the drying of 0.6MPa, in being then placed in 100 DEG C of drying baker, be dried 10min；
In ten thousand grades of clean rooms, the absorbed layer that a layer thickness is 120 μm is covered in the operative end surface (front end) of tungsten electrode black
Paint；
The tungsten electrode that will be covered with absorbed layer is installed on the table, and the front end of tungsten electrode is towards laser beam, and is absorbing
Apply the thick restraint layer of a layer thickness 3mm on layer, restraint layer selects K47 transparent glass；
With pulsewidth as 20ns, wavelength as 532nm, laser energy as 5J, repetition rate as 2Hz, beam diameter as 2mm swash
Light beam carries out pre-impact life-extension treatment, and wherein hot spot overlapping rate is 20%, is impacted 1 time；
Again with pulsewidth as 20ns, wavelength as 532nm, laser energy as 10J, repetition rate as 2Hz, beam diameter is as 2mm
Laser beam carry out impact life-extension treatment, wherein hot spot overlapping rate is 20%, is impacted 2 times；
The absorbed layer of tungsten electrode operative end surface coating is removed afterwards：By tungsten electrode be put into equipped with temperature be 24 DEG C, ethanol it is dense
Spend in the supersonic cleaning machine for 90%, supersonic frequency is 40kHz, clean 10min, then using using after deionized water rinsing 2min
Dry nitrogen is dried up, and gives over to short-arc lamp assembling.
Embodiment 4
Short-arc lamp after the process of above example 1-3 is done into mixcrohardness test and extends life test.
Mixcrohardness test：The laser impact intensified portion faces of test specimen are measured using FM-300 type digital micro-analysis hardness tester
Microhardness distribution, sets magnitude of load as 0.2N, and guarantor's lotus time is 10s, each sample 5 point of survey, averages, environment temperature
22 ± 2 DEG C of degree, ambient humidity 40-60%.
Extend life test：On-load voltage 35V, loading current 140A, 22 ± 2 DEG C of ambient temperature, ambient humidity 40-
60%, it is continuous after lighting to work.
Above-described embodiment 1-3 short-arc lamp tungsten electrode surface microhardnesses are as shown in table 2 with the life-span.
The contrast in short-arc lamp microhardness and life-span before and after 2 laser-impact of table
| Sequence number | Microhardness (HV) | Life-span (h) |
| Before non-shock treatment | 484 | 1532 |
| Embodiment 1 | 563 | 2587 |
| Embodiment 2 | 556 | 2453 |
| Embodiment 3 | 551 | 2367 |
Knowable in the test data of table 2, after laser-impact, microhardness has obtained substantially carrying the tungsten electrode of short-arc lamp
Height, service life are also greatly improved.
Claims (4)
1. a kind of laser-impact life-prolonging method of short-arc lamp tungsten electrode, it is characterised in that comprise the steps：
(1) finished surface covers absorbed layer：In clean room, a layer thickness is covered for 80-150 μm in the operative end surface of tungsten electrode
Absorbed layer, absorbed layer is pitch-dark, aluminium foil or the one kind in black tape；
(2) apply restraint layer：The tungsten electrode that will be covered with absorbed layer is installed on the table, applies a layer thickness on absorbed layer
For the restraint layer of 1-3mm, restraint layer is transparent glass or the one kind in deionized water；
(3) tungsten electrode pre-impact life-extension treatment：The operative end surface of tungsten electrode towards laser beam, with pulsewidth as 3-40ns, wavelength be
532nm or 1064nm, laser energy are 0.5-10J, the laser beam that repetition rate is 0.1-10Hz, beam diameter is 0.5-10mm
Pre-impact life-extension treatment is carried out, wherein hot spot overlapping rate is 0-50%, is impacted 1-2 time；
(4) tungsten electrode impact life-extension treatment：After pre-impact life-extension treatment, with pulsewidth as 3-40ns, wavelength as 532nm or
1064nm, laser energy are 1-20J, the laser beam that repetition rate is 0.1-10Hz, beam diameter is 0.5-10mm is impacted
Life-extension treatment, wherein hot spot overlapping rate are 0-50%, are impacted 2-6 time.
2. the laser-impact life-prolonging method of short-arc lamp tungsten electrode as claimed in claim 1, it is characterised in that cover in finished surface
Before lid absorbed layer, tungsten electrode surface needs to anticipate：
Tungsten electrode is put in the supersonic cleaning machine equipped with water temperature for 22 ± 2 DEG C of deionized waters, supersonic frequency is 38-47kHz, clearly
Wash 8-10min；
Dried up with the drying nitrogen of 0.4-0.8MPa again, in being then placed in 100 DEG C of drying baker, be dried 10min.
3. the laser-impact life-prolonging method of short-arc lamp tungsten electrode as claimed in claim 1, it is characterised in that impact in tungsten electrode
After life-extension treatment, surface of the work is cleaned：
The absorbed layer of tungsten electrode operative end surface coating is removed, it is 22 that the tungsten electrode Jing after impact life-extension treatment is put into equipped with temperature
± 2 DEG C, alcohol concentration for 75-95% supersonic cleaning machine in, supersonic frequency is 38-47kHz, clean 10-15min, Ran Houli
After deionized water rinses 1-2min, dried up with dry nitrogen, you can give over to short-arc lamp assembling.
4. short-arc lamp tungsten electrode laser-impact life-prolonging method according to claim 1, it is characterised in that：Tungsten electrode pre-impact
The laser energy that life-extension treatment is used is that tungsten electrode impacts 1/2nd of the laser energy that life-extension treatment is used.
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| CN107523824A (en) * | 2016-06-22 | 2017-12-29 | 中国科学院沈阳自动化研究所 | It is a kind of using reiforcing laser impact technology workpiece surface prepares coating method |
| CN107267903A (en) * | 2017-07-14 | 2017-10-20 | 中国科学院沈阳自动化研究所 | A kind of ultralow temperature laser shock peening method of aluminium alloy |
| CN111074061B (en) * | 2020-01-07 | 2021-07-23 | 山东大学 | Uniform surface strengthening method based on laser shock wave |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1404954A (en) * | 2002-09-25 | 2003-03-26 | 江苏大学 | Flexible lamina for laser impact treatment |
| CN1986841A (en) * | 2006-11-03 | 2007-06-27 | 江苏大学 | Method of raising corrosion resistance of magnesium alloy based on reiforcing laser impact technology |
| CN102618700A (en) * | 2012-04-17 | 2012-08-01 | 江苏大学 | Laser fatigue enhancement method for metallic glass |
| CN103409758A (en) * | 2013-07-12 | 2013-11-27 | 江苏大学 | Method for prolonging life of pump shells and blades by carrying out laser strengthening micro-cracks |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130052479A1 (en) * | 2011-08-30 | 2013-02-28 | Venkatarama K. Seetharaman | Laser shock peening of airfoils |
-
2014
- 2014-05-06 CN CN201410187970.7A patent/CN105097381B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1404954A (en) * | 2002-09-25 | 2003-03-26 | 江苏大学 | Flexible lamina for laser impact treatment |
| CN1986841A (en) * | 2006-11-03 | 2007-06-27 | 江苏大学 | Method of raising corrosion resistance of magnesium alloy based on reiforcing laser impact technology |
| CN102618700A (en) * | 2012-04-17 | 2012-08-01 | 江苏大学 | Laser fatigue enhancement method for metallic glass |
| CN103409758A (en) * | 2013-07-12 | 2013-11-27 | 江苏大学 | Method for prolonging life of pump shells and blades by carrying out laser strengthening micro-cracks |
Non-Patent Citations (4)
| Title |
|---|
| 30CrMnSiNi2A 高强度钢激光冲击强化试验研究;吴勇华;《五邑大学学报（自然科学版）》;20121130;第26卷(第4期);第33-36页 * |
| TC4钛合金激光冲击强化参数及性能分析;乔红超 等;《激光与光电子学进展》;20130430;全文 * |
| 激光冲击处理对AISI304钨极氩弧焊接接头残余应力的影响;孔德军 等;《材料科学与工艺》;20091231;第17卷(第6期);全文 * |
| 面对等离子体W/Cu FGM的抗热冲击性能;凌云汉 等;《稀有金属材料与工程》;20040831;第33卷(第8期);第819-820页 * |
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