CN105643143B - A kind of surfactant that H13 mould steel crackles are repaired applied to low power laser - Google Patents

A kind of surfactant that H13 mould steel crackles are repaired applied to low power laser Download PDF

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Publication number
CN105643143B
CN105643143B CN201610224751.0A CN201610224751A CN105643143B CN 105643143 B CN105643143 B CN 105643143B CN 201610224751 A CN201610224751 A CN 201610224751A CN 105643143 B CN105643143 B CN 105643143B
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China
Prior art keywords
mould steel
crackles
surfactant
low power
power laser
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Expired - Fee Related
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CN201610224751.0A
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Chinese (zh)
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CN105643143A (en
Inventor
戴鸿滨
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Harbin University of Science and Technology
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Harbin University of Science and Technology
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Priority to CN201610224751.0A priority Critical patent/CN105643143B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
    • B23K35/3601—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with inorganic compounds as principal constituents
    • B23K35/3607—Silica or silicates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • B23K26/21—Bonding by welding
    • B23K26/24—Seam welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
    • B23K35/3601—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with inorganic compounds as principal constituents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
    • B23K35/3601—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with inorganic compounds as principal constituents
    • B23K35/3608—Titania or titanates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
    • B23K35/362—Selection of compositions of fluxes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/02—Iron or ferrous alloys
    • B23K2103/04—Steel or steel alloys

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Laser Beam Processing (AREA)
  • Nonmetallic Welding Materials (AREA)
  • Paints Or Removers (AREA)

Abstract

A kind of surfactant that H13 mould steel crackles are repaired applied to low power laser is related to a kind of surfactant that H13 mould steel crackles are repaired applied to low power laser.The present invention is to solve to repair the technical issues of H13 mould steel crackles are difficult to penetrate compared with deep torn grain, repair difficulty currently with low power laser.The surfactant of the present invention is by SiO2、Cr2O3、TiO2、MnO2、ZrO2And SrCl2Composition.The preparation method of the surfactant of the present invention：By SiO2、Cr2O3、TiO2、MnO2、ZrO2And SrCl2Mixing and ball milling.It is an advantage of the invention that：Effective simplified welding process of the invention, improves welding production efficiency, reduces welding cost.The present invention is applied to welding field.

Description

A kind of surfactant that H13 mould steel crackles are repaired applied to low power laser
Technical field
The present invention relates to a kind of surfactants that H13 mould steel crackles are repaired applied to low power laser.
Background technology
Rupture failure phenomenon easily occurs in production for mold work bad environments, since part mould cost is higher, for drop Low production cost to mold, it is necessary to carry out REPAIR WELDING.Extend die life tool using laser welding technology in mould repair There is speed of welding fast, the advantages of heat affected area is small, and Weld Performance is good, but the limitation of laser power and cost is limited by, it is high-power Laser apparatus is expensive, and use and maintenance cost is higher, and for mould repair cost close to manufacture cost, middle-size and small-size factory is difficult to hold Load.And low power laser weldering is difficult to penetrate compared with deep torn grain, repairs difficult.
In middle 1960s, Ukraine bar institute of welding takes the lead in introducing activating agent concept, and applied to titanium The TIG welderings of alloy.
The content of the invention
The present invention be in order to solve currently with low power laser repair H13 mould steel crackles be difficult to penetrate compared with deep torn grain, The technical issues of difficult is repaired, and a kind of surfactant that H13 mould steel crackles are repaired applied to low power laser is provided.
The a kind of of the present invention repairs the surfactant of H13 mould steel crackles according to weight percent applied to low power laser Than being by 30%~45% SiO2, 20%~35% Cr2O3, 23.5%~40% TiO2, 5%~12% MnO2、 0.2%~0.5% ZrO2With 0.2%~0.8% SrCl2Composition.
The present invention it is a kind of H13 mould steel crackles are repaired applied to low power laser the preparation method of surfactant be It carries out according to the following steps：
30%~45% SiO is weighed according to weight percent2, 20%~35% Cr2O3, 23.5%~40% TiO2, 5%~12% MnO2, 0.2%~0.5% ZrO2With 0.2%~0.8% SrCl2, then mixing and ball milling 2h~ 4h obtains being applied to the surfactant that low power laser repairs H13 mould steel crackles.
A kind of application method of surfactant that H13 mould steel crackles are repaired applied to low power laser of the present invention is such as Under：
The H13 mould steel that pretreatment is cleaned with acetone removes surface and oil contaminant, then with the H13 moulds of thin steel brush removal pretreatment Have oxide film on steel surface, obtain the H13 mould steel being surface-treated；
The surfactant for being applied to low power laser reparation H13 mould steel crackles and acetone of the present invention are uniformly mixed To in the pasty state, it is uniformly applied to around the H13 mould steel face cracks being surface-treated with flat hairbrush, covering is split Slit width degree is more than 2 centimetres, and the thickness of smearing is advisable to cover H13 mould steel surface metal gloss, and activating agent to be applied is complete After drying, apply Laser Welding under conditions of argon gas protection.
It is an advantage of the invention that：Under identical process conditions, the activating agent of the H13 mould steel coating present invention swashs with conventional Photocoagulation adds 76.5% compared to weld penetration, and molten wide increases by 30.09%, and depth-to-width ratio adds 35.68%, and appearance of weld is good Good, seam organization, ingredient and mechanical property are not substantially change.Therefore in identical fusion penetration, can take relatively low Power laser diode coordinates activating agent replacement high power laser of the present invention to be welded.Thus effective simplification was welded Journey improves welding production efficiency, reduces welding cost.
Description of the drawings
Fig. 1 is the welding schematic diagram of experiment one, and 1 is welding gun, and 2 be the region of uncoated surface activating agent, and 3 be coated test The one surfactant region prepared；
Fig. 2 is the transversal shape appearance figure of weld seam after the region welding of uncoated surface activating agent on H13 mould steel in experiment one；
Fig. 3 is the weld seam after the surfactant region welding for coating this experiment and preparing tested in one on H13 mould steel Transversal shape appearance figure；
Fig. 4 is the weld seam and this examination of coating after the region welding of uncoated surface activating agent on H13 mould steel in experiment one The comparison diagram in kind of the weld seam after the surfactant region welding of preparation is tested, region A is to coat surface prepared by this experiment to live Property agent region, region B is the region of uncoated surface activating agent.
Specific embodiment
Specific embodiment one：Present embodiment is a kind of table that H13 mould steel crackles are repaired applied to low power laser Face activating agent is by 30%~45% SiO according to weight percent2, 20%~35% Cr2O3, 23.5%~40% TiO2, 5%~12% MnO2, 0.2%~0.5% ZrO2With 0.2%~0.8% SrCl2Composition.
Specific embodiment two：The difference of present embodiment and specific embodiment one is：Described is applied to low work( The surfactant of rate laser repairing H13 mould steel crackles, is by 35.1% SiO according to weight percent2, 23.3% Cr2O3, 36.2% TiO2, 5% MnO2, 0.2% ZrO2With 0.2% SrCl2Composition.Other and specific embodiment one It is identical.
Specific embodiment three：The difference of present embodiment and specific embodiment one is：Described is applied to low work( The surfactant of rate laser repairing H13 mould steel crackles, is by 37.3% SiO according to weight percent2, 23.5% Cr2O3, 30.1% TiO2, 8% MnO2, 0.5% ZrO2With 0.6% SrCl2Composition.Other and specific embodiment one It is identical.
Specific embodiment four：The difference of present embodiment and specific embodiment one is：Described is applied to low work( The surfactant of rate laser repairing H13 mould steel crackles, is by 30% SiO according to weight percent2, 33.5% Cr2O3, 25.4% TiO2, 10% MnO2, 0.4% ZrO2With 0.7% SrCl2Composition.Other and specific embodiment One is identical.
Specific embodiment five：A kind of surface that H13 mould steel crackles are repaired applied to low power laser of present embodiment The preparation method of activating agent specifically carries out according to the following steps：
30%~45% SiO is weighed according to weight percent2, 20%~35% Cr2O3, 23.5%~40% TiO2, 5%~12% MnO2, 0.2%~0.5% ZrO2With 0.2%~0.8% SrCl2, then mixing and ball milling 2h~ 4h obtains being applied to the surfactant that low power laser repairs H13 mould steel crackles.
Specific embodiment six：The difference of present embodiment and specific embodiment five is：Claim according to weight percent Take 35.1% SiO2, 23.3% Cr2O3, 36.2% TiO2, 5% MnO2, 0.2% ZrO2With 0.2% SrCl2, Then mixing and ball milling 2h~4h obtains being applied to the surfactant that low power laser repairs H13 mould steel crackles.Other and tool Body embodiment five is identical.
Specific embodiment seven：The difference of present embodiment and specific embodiment five is：Claim according to weight percent Take 37.3% SiO2, 23.5% Cr2O3, 30.1% TiO2, 8% MnO2, 0.5% ZrO2With 0.6% SrCl2, Then mixing and ball milling 2h~4h, the low-power that is applied is in the surfactant of laser repairing H13 mould steel crackles.Other and tool Body embodiment five is identical.
Specific embodiment eight：The difference of present embodiment and specific embodiment five is：Claim according to weight percent Take 30% SiO2, 33.5% Cr2O3, 25.4% TiO2, 10% MnO2, 0.4% ZrO2With 0.7% SrCl2, so Mixing and ball milling 2h~4h afterwards obtains being applied to the surfactant that low power laser repairs H13 mould steel crackles.Other with it is specific Embodiment five is identical.
Beneficial effects of the present invention are verified by tests below：
Experiment one：This experiment is a kind of system for the surfactant that H13 mould steel crackles are repaired applied to low power laser Preparation Method specifically carries out according to the following steps：
35.1% SiO is weighed according to weight percent2, 23.3% Cr2O3, 36.2% TiO2, 5% MnO2、 0.2% ZrO2With 0.2% SrCl2, then mixing and ball milling 3h, obtains being applied to low power laser reparation H13 mould steel crackles Surfactant.
The H13 mould steel that pretreatment is cleaned with acetone removes surface and oil contaminant, then with the H13 moulds of thin steel brush removal pretreatment Have oxide film on steel surface, obtain the H13 mould steel being surface-treated；
The surfactant for being applied to low power laser reparation H13 mould steel crackles and acetone of this experiment are uniformly mixed To in the pasty state, it is uniformly applied to around the H13 mould steel face cracks being surface-treated with flat hairbrush, covering is split Slit width degree is more than 2 centimetres, and the thickness of smearing is advisable to cover H13 mould steel surface metal gloss, and activating agent to be applied is complete After drying, apply Laser Welding under conditions of argon gas protection to the surfactant for coating this experiment and preparing on H13 mould steel Region and the region of uncoated surface activating agent carry out disposable welding and complete.Table 1 is the welding procedure of the Laser Welding of this experiment Parameter.
The welding condition of 1 Laser Welding of table
Fig. 2 is the transversal shape appearance figure of weld seam after the region welding of uncoated surface activating agent on H13 mould steel in experiment one, Fig. 3 is the transversal pattern of weld seam after the surfactant region welding for coating this experiment and preparing tested in one on H13 mould steel Figure.As can be seen from the figure during uncoated activating agent, weld penetration is shallower；When coating the activating agent of this experiment preparation, weld seam melts Deep increase.Suitable amplification factor is selected under metallographic microscope and is taken pictures, is gone out using scale functional measurement coated with this Fusion penetration is 1.77 times of uncoated activating agent during the activating agent of experiment.
To the table in the region after uncoated surface active flux welding on H13 mould steel in experiment one and coating this experiment preparation Face active flux welding rear region carries out spectrum analysis, analysis result as shown in tables 2 and 3,
Table 2 is not coated with the compositional data table of activating agent region element
Element Cr Mo Si C
Mass fraction Wt (%) 4.86 1.47 1.14 0.41
Table 3 coats the elemental composition tables of data in activating agent region
Element Cr Mo Si C
Mass fraction Wt (%) 4.87 1.44 1.17 0.4
From table 2 and 3, it can be seen that the activating agent for coating this experiment preparation does not change the chemical composition of weld seam.
Fig. 4 is the weld seam and this examination of coating after the region welding of uncoated surface activating agent on H13 mould steel in experiment one The comparison diagram in kind of the weld seam after the surfactant region welding of preparation is tested, region A is to coat surface prepared by this experiment to live Property agent region, region B is the region of uncoated surface activating agent, as can be seen from the figure coats the activating agent of this experiment preparation The weld seam fusing in region is apparent, and molten wide substantially increases.

Claims (4)

1. a kind of surfactant that H13 mould steel crackles are repaired applied to low power laser, it is characterised in that applied to low work( The surfactant of rate laser repairing H13 mould steel crackles is by 30%~45% SiO according to weight percent2, 20%~ 35% Cr2O3, 23.5%~40% TiO2, 5%~12% MnO2, 0.2%~0.5% ZrO2With 0.2%~0.8% SrCl2Composition；The bonding power of the low power laser is 500W.
2. a kind of surfactant that H13 mould steel crackles are repaired applied to low power laser according to claim 1, Be characterized in that it is described be applied to low power laser repair the surfactants of H13 mould steel crackles according to weight percent be by 35.1% SiO2, 23.3% Cr2O3, 36.2% TiO2, 5% MnO2, 0.2% ZrO2With 0.2% SrCl2Group Into.
3. a kind of surfactant that H13 mould steel crackles are repaired applied to low power laser according to claim 1, Be characterized in that it is described be applied to low power laser repair the surfactants of H13 mould steel crackles according to weight percent be by 37.3% SiO2, 23.5% Cr2O3, 30.1% TiO2, 8% MnO2, 0.5% ZrO2With 0.6% SrCl2Group Into.
4. a kind of surfactant that H13 mould steel crackles are repaired applied to low power laser according to claim 1, Be characterized in that it is described be applied to low power laser repair the surfactants of H13 mould steel crackles according to weight percent be by 30% SiO2, 33.5% Cr2O3, 25.4% TiO2, 10% MnO2, 0.4% ZrO2With 0.7% SrCl2Composition.
CN201610224751.0A 2016-04-12 2016-04-12 A kind of surfactant that H13 mould steel crackles are repaired applied to low power laser Expired - Fee Related CN105643143B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1439478A (en) * 2002-03-29 2003-09-03 甘肃工业大学 Active agent for low-carbon steel tungsten argon arc welding
CN103203569A (en) * 2013-04-09 2013-07-17 哈尔滨工业大学（威海） Active agent for low-alloy steel consumable electrode gas-shielded welding and consumable electrode gas-shielding welding method for rotating composition of active agent and welding stick
CN103846573A (en) * 2013-11-04 2014-06-11 长春工程学院 Environment-friendly activating agent applicable for welding of die-casting magnesium alloy
CN104043914A (en) * 2014-07-10 2014-09-17 辽宁工业大学 Active agent special for laser welding of hollow shock absorber piston rod and manufacturing method and application thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2446905B (en) * 2006-11-08 2011-02-16 Sec Dep Of Atomic Energy Govt Of India A penetration enhancing flux formulation for Tungsten Inert Gas (TIG) welding of austenitic stainless steel and its application

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1439478A (en) * 2002-03-29 2003-09-03 甘肃工业大学 Active agent for low-carbon steel tungsten argon arc welding
CN103203569A (en) * 2013-04-09 2013-07-17 哈尔滨工业大学（威海） Active agent for low-alloy steel consumable electrode gas-shielded welding and consumable electrode gas-shielding welding method for rotating composition of active agent and welding stick
CN103846573A (en) * 2013-11-04 2014-06-11 长春工程学院 Environment-friendly activating agent applicable for welding of die-casting magnesium alloy
CN104043914A (en) * 2014-07-10 2014-09-17 辽宁工业大学 Active agent special for laser welding of hollow shock absorber piston rod and manufacturing method and application thereof

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