CN110181051A - A kind of narrow gap fill method of laser remanufacturing oriented under Lorentz force effect - Google Patents
A kind of narrow gap fill method of laser remanufacturing oriented under Lorentz force effect Download PDFInfo
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- CN110181051A CN110181051A CN201910524631.6A CN201910524631A CN110181051A CN 110181051 A CN110181051 A CN 110181051A CN 201910524631 A CN201910524631 A CN 201910524631A CN 110181051 A CN110181051 A CN 110181051A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000000694 effects Effects 0.000 title claims abstract description 17
- 230000005291 magnetic effect Effects 0.000 claims abstract description 63
- 239000000843 powder Substances 0.000 claims abstract description 25
- 239000007769 metal material Substances 0.000 claims abstract description 22
- 230000005484 gravity Effects 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims abstract description 5
- 238000003754 machining Methods 0.000 claims abstract description 4
- 208000037656 Respiratory Sounds Diseases 0.000 claims abstract description 3
- 244000137852 Petrea volubilis Species 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 230000005684 electric field Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 229910001347 Stellite Inorganic materials 0.000 claims description 2
- AHICWQREWHDHHF-UHFFFAOYSA-N chromium;cobalt;iron;manganese;methane;molybdenum;nickel;silicon;tungsten Chemical compound C.[Si].[Cr].[Mn].[Fe].[Co].[Ni].[Mo].[W] AHICWQREWHDHHF-UHFFFAOYSA-N 0.000 claims description 2
- 230000005294 ferromagnetic effect Effects 0.000 claims description 2
- 229910000619 316 stainless steel Inorganic materials 0.000 claims 1
- 229910000816 inconels 718 Inorganic materials 0.000 claims 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 7
- 229910001026 inconel Inorganic materials 0.000 description 7
- 230000008439 repair process Effects 0.000 description 7
- 230000007547 defect Effects 0.000 description 6
- 229910052759 nickel Inorganic materials 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 229960000935 dehydrated alcohol Drugs 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000011165 process development Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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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
- B22F3/10—Sintering only
- B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
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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
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
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- Manufacturing & Machinery (AREA)
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- Laser Beam Processing (AREA)
Abstract
The invention discloses the narrow gap fill methods of laser remanufacturing under a kind of orientation Lorentz force effect, the method are as follows: (1) according to the crack depth of workpiece to be repaired, using machining mode, the surface where crackle makes V-groove, removes entire fracture area；(2) positive and negative polarities of electrode are separately positioned on workpiece V-groove to be repaired both ends, two magnetic poles of magnet are arranged in the two sides that the workpiece V-groove to be repaired is different from electrode side, so that magnetic direction is mutually orthogonal with current direction；(3) it is passed through steady-state DC electric current between two electrodes, it is identical as gravity direction by the direction for changing the Lorentz force that current direction or magnetic direction adjust electric current and magnetic field generation；(4) laser is opened, while metal material to be filled is sent into laser facula region by powder feeder, molten metal is filled upwards from V-groove bottom to entire V-groove region is filled up, and is stopped the effect of laser, electric and magnetic fields, is completed filling.
Description
Technical field
The present invention relates to the narrow gap fill methods of laser remanufacturing under a kind of orientation Lorentz force effect.
Background technique
Laser remanufacturing technology is as a kind of advanced hot-working manufacturing technology, by the office around damaged parts defect
Portion's component carry out early period pretreatment reject rebuild, recycle laser remanufacturing technology reconstruction regions deposit repair, realize by
Damage the recycling of part.For affected area of different shapes, needs to carry out machining pre-treatment, completely remove damaged zone
Domain.For crack defect, the groove profile for being processed into different in width and depth is generally required.Especially for not excessive destruction base
Body realizes the reparation to underbead crack, needs to process the groove milling of high-aspect-ratio to carry out reparation pre-treatment.However again due to laser
Manufacture it is extremely cold it is very hot during, there are surface tension, the wellability of solid liquid interface, multiple complicated factor shadows such as Transient Heat Transfer
It rings, when laser remanufacturing slot class is repaired the boundary delay stomata easy to form, lack of fusion the defects of.When the depth-to-width ratio of narrow slot
When higher, melt flow stream filling can not form hole to bottom before complete solidification.To solve the above problems, the present invention provides
A kind of laser remanufacturing narrow gap fill method under orientation Lorentz force effect.
The measure that existing reduction remanufactures defect is started with from adjustment laser technical parameters mostly, but relationship between technological parameter
Closely, change the variation that a technological parameter easily causes other technological parameters, need a large amount of each technological parameter of experimental exploring
Matching determines optimal technological parameter, quite time-consuming consumptive material.
Summary of the invention
In order to overcome defect existing in the prior art, the present invention provides a kind of narrow gap fill methods of laser remanufacturing.
The present invention adopts the following technical scheme:
A kind of narrow gap fill method of laser remanufacturing oriented under Lorentz force effect, includes the following steps:
(1) according to the crack depth of workpiece to be repaired, using machining mode, the surface production depth where crackle is big
In the V-groove for being equal to crack tip 2mm, to remove entire fracture area, the V-groove bottom is fillet, and the fillet is straight
Diameter is 0.5~4mm, and the angle of the V-groove is 40 °~60 °；It is polished with sand paper the workpiece surface to be repaired,
The workpiece to be repaired is fixed on the table later and guarantees that the V-groove open end is upward；
(2) laser is arranged in above the V-groove of workpiece to be repaired, the laser beam of the laser transmitting will be described
The V-groove region of workpiece to be repaired be scanned, defining moving direction of the laser beam on workpiece to be repaired is x-axis
Direction；Hot spot focal plane is tangent with V-groove fillet bottom end always in the laser beam moving process, the center of the hot spot
On the same line with the center of circle of the V-groove fillet；The positive and negative polarities of electrode are separately positioned on the workpiece V-type to be repaired
Slot both ends, and fitted closely with the workpiece surface to be repaired, and the line between two electrodes is equal with the x-axis direction
Row, so that current direction is parallel with the x-axis direction；Two magnetic poles of magnet are arranged in the workpiece V to be repaired
Type groove be different from electrode side two sides, and the line between two magnetic poles and x-axis it is perpendicular and with the workpiece surface to be repaired
In parallel, so that magnetic direction is mutually orthogonal with current direction；The field region that described two magnetic poles are constituted is covered with entire laser beam
Scanning area；The distance between two magnetic pole and workpiece to be repaired are respectively 1~3mm；
(3) it is passed through steady-state DC electric current between two electrodes described in step (2), two electrodes to be repaired are returned to work described
Part V-groove forms electric field, and two magnetic poles form steady magnetic field in the workpiece V-groove to be repaired region；Pass through change
It is passed through DC current direction or direction and the gravity direction phase of the Lorentz force that electric current is generated with magnetic field is adjusted in magnetic direction
Together；Lorentz force size is adjusted by changing size of current with magnetic field strength；
(4) laser is opened, laser beam is scanned along the x-axis direction in the V-groove region of workpiece to be repaired, passes through simultaneously
Powder feeder is sent into metal material to be filled in laser facula region, so that powder convergent point is overlapped with hot spot focal plane；It is described
Metal material to be filled forms molten state under laser irradiation, and the metal to be filled of the molten state is simultaneously by the long-range navigation
The hereby effect of power and the effect of gravity are filled upwards from V-groove bottom, until filling up entire V-groove region, stop laser, electricity
The effect of field and magnetic field, that is, complete the reparation of workpiece to be repaired.
Further, the size of the electric current is 200A~1000A.
Further, the magnetic field strength in the magnetic field is 0.4T~2.5T.
Further, the laser power is 750W~1500W, and spot size 4mm, scanning speed is 6~12mm/
S, powder sending quantity are 9~18g/min.
Further, the metal material to be filled is non-ferromagnetic metal material, such as Inconel 718,316L
Or Stellite 6.
The present invention mainly passes through steady-state field coupling synchronous with steady magnetic field, forms orientation Lorentz force body force effect
In molten bath, causes melt flow stream to be forced to accelerate, increase the mold-filling capacity of fluid, thus reduce and eliminate filling defect,
And simplify technique adjustment process.
Compared with prior art, the method for the present invention has the advantage that
1, electric and magnetic fields of the present invention are all stable state, and generating device is simple, low energy consumption, low in hardware cost.
2, the mobility for increasing melt flow stream using the body force that external energy field obtains, improves charging efficiency, without anti-
The whole laser technical parameters of polyphony simplify process development flow.
3, the size of Lorentz force can be changed by adjusting electric current and magnetic field size, to adapt to the narrow gap of different form ratios
Filling.
Detailed description of the invention
Narrow slot Cross Section Morphology under the conditions of Fig. 1 embodiment 1；
Narrow slot Cross Section Morphology under the conditions of Fig. 2 embodiment 2；
Narrow slot Cross Section Morphology under the conditions of Fig. 3 embodiment 3；
Narrow slot Cross Section Morphology under the conditions of Fig. 4 embodiment 4；
Narrow slot Cross Section Morphology under the conditions of Fig. 5 embodiment 5；
Narrow slot Cross Section Morphology under the conditions of Fig. 6 embodiment 6.
Specific embodiment
Below by specific embodiment, the present invention is further illustrated, but protection scope of the present invention is not limited in
This.
It is x-axis direction that moving direction of the laser beam on workpiece to be repaired is defined in embodiment of the present invention.
Embodiment 1
Laser remanufacturing object be 316L stainless steel, former crack depth be 1mm, be machined into 200mm × 20mm ×
The workpiece of 10mm is simultaneously machined into deep 3mm, the V slot that angle is 40 °, and V-groove bottom roundings diameter is 0.5mm, and V-groove is located at
Test plate (panel) center, repair materials are 718 nickel base powder of Inconel.
(1) it is polished with sand paper workpiece surface, it is then that workpiece to be repaired is fixed on the table.
(2) both ends by electrode arrangement in workpiece V-groove to be repaired region along the x-axis direction, magnetic pole are arranged in be repaired
The other two sides of workpiece, line is perpendicular with x-axis and parallel with the workpiece surface to be repaired between two magnetic poles, two sides magnetic pole with
The distance between workpiece to be repaired is 2mm.
(3) electrode both ends are not passed through DC current, i.e. size of current is 0A, adjust steady magnetic field intensity to 0T.
(4) laser is opened, is scanned laser beam along desired trajectory in V-groove region；Powder feeder is opened in laser
Spot area is sent into metal material to be filled, and metal material to be filled is made to form molten state under laser irradiation.Laser power P is
750W, spot size 4mm, scanning speed are that v is 6mms-1, powder sending quantity R is 9gmin-1。
Under the conditions of this technological parameter, filling effect as shown in Figure 1, molten metal before reaching V-groove bottom completely
Solidification, fails to reach good filling effect.
Embodiment 2
Laser remanufacturing object be 316L stainless steel, former crack depth be 1mm, be machined into 200mm × 20mm ×
The workpiece of 10mm is simultaneously machined into deep 3mm, the V slot that angle is 40 °, and V-groove bottom roundings diameter is 0.5mm, and V-groove is located at
Test plate (panel) center, repair materials are 718 nickel base powder of Inconel.
(1) it is polished with sand paper workpiece surface, it is then that workpiece to be repaired is fixed on the table.
(2) both ends by electrode arrangement in workpiece V-groove to be repaired region along the x-axis direction, magnetic pole are arranged in be repaired
The other two sides of workpiece, line is perpendicular with x-axis and parallel with the workpiece surface to be repaired between two magnetic poles, two sides magnetic pole with
The distance between workpiece to be repaired is 2mm.
(3) electrode both ends are passed through DC current, and size of current 200A adjusts steady magnetic field intensity to 0.4T.
(4) laser is opened, is scanned laser along desired trajectory in V-groove region；Powder feeder is opened in laser
Spot area is sent into metal material to be filled, and metal material to be filled is made to form molten state under laser irradiation.Laser power P is
750W, spot size 4mm, scanning speed are that v is 6mms-1, powder sending quantity R is 9gmin-1。
In the case where laser technology condition is constant, electric field and magnetic field are added, forms orientation Lorentz force, depth of cracking closure ratio
Embodiment 1 increased, but there are still holes in V-groove bottom.It is as shown in Figure 2 to fill result.
Example 3
Laser remanufacturing object be 316L stainless steel, former crack depth be 1mm, be machined into 200mm × 20mm ×
The workpiece of 10mm is simultaneously machined into deep 3mm, the V slot that angle is 40 °, and V-groove bottom roundings diameter is 0.5mm, and V-groove is located at
Test plate (panel) center, repair materials are 718 nickel base powder of Inconel.
(1) it is polished with sand paper workpiece surface, it is then that workpiece to be repaired is fixed on the table.
(2) both ends by electrode arrangement in workpiece V-groove to be repaired region along the x-axis direction, magnetic pole are arranged in be repaired
The other two sides of workpiece, line is perpendicular with x-axis and parallel with the workpiece surface to be repaired between two magnetic poles, two sides magnetic pole with
Workpiece to be repaired the distance between be 2mm.
(3) electrode both ends are passed through DC current, and size of current 1000A adjusts steady magnetic field intensity to 2.5T.
(4) laser is opened, is scanned laser along desired trajectory in V-groove region；Powder feeder is opened in laser
Spot area is sent into metal material to be filled, and metal material to be filled is made to form molten state under laser irradiation.Laser power P is
750W, spot size 4mm, scanning speed are that v is 6mms-1, powder sending quantity R is 9gmin-1。
Under conditions of laser technology condition is constant, magnetic field and current strength is turned up, improves orientation Lorentz force value, V-type
Imporosity exists in slot, forms fine and close reparation area.It is as shown in Figure 3 to fill result.
Example 4
Laser remanufacturing object be 316L stainless steel, former crack depth be 1mm, be machined into 200mm × 20mm ×
The workpiece of 10mm is simultaneously machined into deep 3mm, the V slot that angle is 40 °, and V-groove bottom roundings diameter is 0.5mm, and V-groove is located at
Test plate (panel) center, repair materials are 718 nickel base powder of Inconel.
(1) it is polished with sand paper workpiece surface, it is then that workpiece to be repaired is fixed on the table.
(2) both ends by electrode arrangement in workpiece V-groove to be repaired region along the x-axis direction, magnetic pole are arranged in be repaired
The other two sides of workpiece, line is perpendicular with x-axis and parallel with the workpiece surface to be repaired between two magnetic poles, two sides magnetic pole with
The distance between workpiece to be repaired is 2mm.
(3) electrode both ends are not passed through DC current, i.e. size of current is 0A, adjust steady magnetic field intensity to 0T.
(4) laser is opened, is scanned laser along desired trajectory in V-groove region；Powder feeder is opened in laser
Spot area is sent into metal material to be filled, and metal material to be filled is made to form molten state under laser irradiation.Laser power P is
1500W, spot size 4mm, scanning speed are that v is 12mms-1, powder sending quantity R is 18gmin-1。
Under the conditions of higher laser power, do not add electric field and magnetic field, molten metal before reaching V-groove bottom completely
Solidification, fails to form good filling.It is as shown in Figure 4 to fill result.
Embodiment 5
Laser remanufacturing object be 316L stainless steel, former crack depth be 1mm, be machined into 200mm × 20mm ×
The workpiece of 10mm is simultaneously machined into deep 3mm, the V-groove that angle is 40 °, and V-groove bottom roundings diameter is 0.5mm, V-groove position
In test plate (panel) center, repair materials are 718 nickel base powder of Inconel.
(1) it is polished with sand paper workpiece surface, then is successively cleaned with dehydrated alcohol and acetone, degreased and dirty
Stain, it is then that workpiece to be repaired is fixed on the table.
(2) both ends by electrode arrangement in workpiece V-groove to be repaired region along the x-axis direction, magnetic pole are arranged in be repaired
The other two sides of workpiece, line is perpendicular with x-axis and parallel with the workpiece surface to be repaired between two magnetic poles, two sides magnetic pole with
The distance between workpiece to be repaired is 2mm.
(3) electrode both ends are passed through DC current, and size of current 200A adjusts steady magnetic field intensity to 0.4T.
(4) laser is opened, is scanned laser along desired trajectory in V-groove region；Powder feeder is opened in laser
Spot area is sent into metal material to be filled, and metal material to be filled is made to form molten state under laser irradiation.Laser power P is
1500W, spot size 4mm, scanning speed are that v is 12mms-1, powder sending quantity R is 18gmin-1
Under the conditions of higher laser power, add electric field and magnetic field, form orientation Lorentz force, V-groove depth of cracking closure compared with
Embodiment 4 increased, but there are still holes.It is as shown in Figure 5 to fill result.
Embodiment 6
Laser remanufacturing object be 316L stainless steel, former crack depth be 1mm, be machined into 200mm × 20mm ×
The workpiece of 10mm is simultaneously machined into deep 3mm, the V-groove that angle is 40 °, and V-groove bottom roundings diameter is 0.5mm, V-groove position
In test plate (panel) center, repair materials are 718 nickel base powder of Inconel.
(1) it is polished with sand paper workpiece surface, then is successively cleaned with dehydrated alcohol and acetone, degreased and dirty
Stain, it is then that workpiece to be repaired is fixed on the table.
(2) both ends by electrode arrangement in workpiece V-groove to be repaired region along the x-axis direction, magnetic pole are arranged in be repaired
The other two sides of workpiece, line is perpendicular with x-axis and parallel with the workpiece surface to be repaired between two magnetic poles, two sides magnetic pole with
The distance between workpiece to be repaired is 2mm.
(3) electrode both ends are passed through DC current, and size of current 1000A adjusts steady magnetic field intensity to 2.5T.
(4) laser is opened, is scanned laser along desired trajectory in V-groove region；Powder feeder is opened in laser
Spot area is sent into metal material to be filled, and metal material to be filled is made to form molten state under laser irradiation.Laser power P is
1500W, spot size 4mm, scanning speed are that v is 12mms-1, powder sending quantity R is 18gmin-1
Under same laser power condition, increase magnetic field and current strength, improves orientation Lorentz force value, nothing in V-groove
Hole exists, and forms fine and close reparation area.It is as shown in Figure 6 to fill result.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, protection of the invention
Range should not be construed as being limited to the specific forms stated in the embodiments, and protection scope of the present invention also includes art technology
Personnel conceive according to the present invention it is conceivable that equivalent technologies mean.
Claims (6)
1. the narrow gap fill method of laser remanufacturing under a kind of orientation Lorentz force effect, it is characterised in that: in accordance with the following steps
It carries out:
(1) according to the crack depth of workpiece to be repaired, using machining mode, the surface production depth where crackle is greater than etc.
In the V-groove of crack tip 2mm, entire fracture area is removed, the V-groove bottom is fillet, and the fillet diameter is 0.5
~4mm, the angle of the V-groove are 40 °~60 °；It is polished with sand paper the workpiece surface to be repaired, later by institute
The workpiece to be repaired stated is fixed on the table and guarantees that the V-groove open end is upward；
(2) laser is arranged in above the V-groove of workpiece to be repaired, the laser beam of laser transmitting by it is described to
The V-groove region for repairing workpiece is scanned, and defining moving direction of the laser beam on workpiece to be repaired is x-axis side
To；Hot spot focal plane is tangent with the fillet bottom end of the V-groove always in the laser beam moving process, the center of the hot spot
On the same line with the center of circle of the V-groove fillet；The positive and negative polarities of electrode are separately positioned on the workpiece V-type to be repaired
Slot both ends, and fitted closely with the workpiece surface to be repaired, and the line between two electrodes is equal with the x-axis direction
Row, so that current direction is parallel with the x-axis direction；Two magnetic poles of magnet are arranged in the workpiece V to be repaired
Type groove be different from electrode side two sides, and the line between two magnetic poles and x-axis it is perpendicular and with the workpiece surface to be repaired
In parallel, so that magnetic direction is mutually orthogonal with current direction；The field region that described two magnetic poles are constituted is covered with entire laser beam
Scanning area；The distance between two magnetic pole and workpiece to be repaired are respectively 1~3mm；
(3) it is passed through steady-state DC electric current between two electrodes described in step (2), two electrodes are in the workpiece V to be repaired
Type groove forms electric field, and two magnetic poles form steady magnetic field in the workpiece V-groove to be repaired region；It is passed through by changing
The direction that the Lorentz force of electric current and magnetic field generation is adjusted in DC current direction or magnetic direction is identical as gravity direction；Lip river
Lun Zili size is adjusted by changing size of current with magnetic field strength；
(4) laser is opened, laser beam is scanned along the x-axis direction in the V-groove region of workpiece to be repaired, while passing through powder feeding
Device is sent into metal material to be filled in laser facula region, so that powder convergent point is overlapped with hot spot focal plane；It is described wait fill out
The metal material filled forms molten state under laser irradiation, and the metal to be filled of the molten state is simultaneously by the Lorentz force
Effect and the effect of gravity filled upwards from V-groove bottom, until fill up entire V-groove region, stop laser, electric field and
The reparation of workpiece to be repaired is completed in the effect in magnetic field.
2. the method as described in claim 1, it is characterised in that: the size of the electric current is 200A~1000A.
3. the method as described in claim 1, it is characterised in that: the magnetic field strength in the magnetic field is 0.4T~2.5T.
4. the method as described in claim 1, it is characterised in that: the laser power is 750W~1500W, and spot size is
4mm, scanning speed are 6~12mm/s, and powder sending quantity is 9~18g/min.
5. the method as described in claim 1, it is characterised in that: the metal material to be filled is non-ferromagnetic metal material
Material.
6. method as claimed in claim 5, it is characterised in that: the metal material to be filled be Inconel 718,
316L or Stellite 6.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110773868A (en) * | 2019-12-03 | 2020-02-11 | 浙江工业大学 | Steady-state magnetic field coupling laser wire-filling narrow groove repairing method |
| CN111188036A (en) * | 2020-02-15 | 2020-05-22 | 杭州博华激光技术有限公司 | Alternating magnetic field assisted laser remanufacturing method under inclined angle |
| WO2021109257A1 (en) * | 2019-12-03 | 2021-06-10 | 浙江工业大学 | Steady-state magnetic field coupling laser filler-wire narrow slot repair method and device |
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