CN107164756B - A kind of laser melting coating metal dust for repairing H13 mould steel - Google Patents
A kind of laser melting coating metal dust for repairing H13 mould steel Download PDFInfo
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- CN107164756B CN107164756B CN201610714902.0A CN201610714902A CN107164756B CN 107164756 B CN107164756 B CN 107164756B CN 201610714902 A CN201610714902 A CN 201610714902A CN 107164756 B CN107164756 B CN 107164756B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 56
- 239000010959 steel Substances 0.000 title claims abstract description 56
- 230000008018 melting Effects 0.000 title claims abstract description 46
- 238000002844 melting Methods 0.000 title claims abstract description 46
- 239000011248 coating agent Substances 0.000 title claims abstract description 41
- 238000000576 coating method Methods 0.000 title claims abstract description 41
- 239000000428 dust Substances 0.000 title claims abstract description 30
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 25
- 239000002184 metal Substances 0.000 title claims abstract description 25
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000000843 powder Substances 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 29
- 229910052786 argon Inorganic materials 0.000 claims abstract description 21
- 239000007789 gas Substances 0.000 claims abstract description 15
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 238000012387 aerosolization Methods 0.000 claims abstract description 8
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 8
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 230000006698 induction Effects 0.000 claims abstract description 8
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 8
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 238000004513 sizing Methods 0.000 claims abstract description 8
- 238000009826 distribution Methods 0.000 claims abstract 2
- 239000012535 impurity Substances 0.000 claims description 7
- 229910052720 vanadium Inorganic materials 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 6
- 238000005275 alloying Methods 0.000 abstract description 7
- 238000012216 screening Methods 0.000 abstract description 7
- 229910052717 sulfur Inorganic materials 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 abstract 1
- 238000010410 dusting Methods 0.000 abstract 1
- 238000010298 pulverizing process Methods 0.000 abstract 1
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 12
- 238000005253 cladding Methods 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 12
- 239000004519 grease Substances 0.000 description 6
- 238000004372 laser cladding Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 239000004065 semiconductor Substances 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011195 cermet Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
-
- 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
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
-
- 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
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Laser Beam Processing (AREA)
- Powder Metallurgy (AREA)
Abstract
The present invention relates to a kind of laser melting coating metal dust for repairing H13 mould steel, belong to ferrous materials manufacturing field, above-mentioned metal pulverization composition quality fraction is：0.35-0.50%C, 0.70-3.80%Si, 0.50-1.60%Mn, 2.70-4.00%Cr, 1.30-3.55%Mo, 0.30-1.55V, P≤0.030%, S≤0.030%, 1.0 4.0%B, powder size distribution：30 150 μm, mobility：15 25s/50g, composition of raw material alloying proportioning, then carry out vacuum melting steel ingot, using Frequency Induction Heating melted steel ingot, working chamber's vacuum 10‑1‑10‑2Pa, using aerosolization method powder, gases argon pressure 1 of dusting 4MPa, receive to carry out sizing after powder.Using the powder after screening, using laser melting and coating technique, different process of arranging in pairs or groups, H13 steel surfaces are repaired.
Description
Technical field
The invention belongs to metal material field, and in particular to a kind of laser melting coating metal dust for repairing H13 mould steel.
Background technology
H13 mould steel is used to manufacture the big forging die of shock loading, hot extruding die, precision forging die；Aluminium, copper and its alloy die cast
Mould, it is the general a kind of representative grade of steel that has many uses in hot die steel.Laser melting and coating technique is a kind of surface hardening process skill
Art, refer to and selected coating material is added by different filler modes in substrate surface, utilize the laser beam of high power density
Be allowed to substrate surface thin layer simultaneously consolidation, and after quick solidification formed dilution factor it is extremely low, with matrix into metallurgical binding table
Finishing coat, so as to significantly improve the process of the characteristic such as wear-resisting, anti-corrosion, heat-resisting, anti-oxidant of substrate surface.Melted using laser
Coating technique is repaired to the H13 mould steel of broken invalid, it is possible to increase the hardness of H13 steel profile extrusion dies.Laser melting coating
Metal powder material applied in process, there is vital influence for the repairing effect of H13 moulds, in lifting mould
While surface quality performance, extension die life that can be different degrees of.
The content of the invention
The present invention provides metal dust of the laser melting coating with H13 mould steel is repaired, and the mass fraction of its each element is：
0.35-0.50%C, 0.70-3.80%Si, 0.50-1.60%Mn, 2.70-4.00%Cr, 1.30-3.55%Mo, 0.30-
1.55%V, P≤0.030%, S≤0.030%, 1.0-4.0%B, surplus are Fe and inevitable impurity.
Wherein：The preferred 2.5-3.5% of B preferred 2.5-3.5%, Si.
The metal dust particle diameter is：30-150 μm, mobility：15-25 s/50g.
Prepare above-mentioned laser melting coating is with the method for the metal dust for repairing H13 mould steel：Composition of raw material alloying is matched somebody with somebody
Than vacuum melting steel ingot then being carried out, using Frequency Induction Heating melted steel ingot, working chamber's vacuum 10-1-10-2Pa, use
Aerosolization method powder, dust gases argon pressure 1-4MPa, receives to carry out sizing after powder.
Wherein, the control of vacuum has significant impact for indexs such as powder oxygen content, the pressure control for the gases argon that dusts
System is to control powder size, the core parameter of sphericity and powder formation rate, it is necessary to according to liquid stream situation and each dust period comprehensively
Make accurate adjustment.
Using the powder after screening, using laser melting and coating technique, different process of arranging in pairs or groups, H13 steel surfaces are repaired.
Die wear position is machined.
Mould surface to be repaired is wiped with acetone, removes surface grease.
Laser melting coating path planning programming is carried out according to die wear position geometry, formulates technological parameter.
Cladding reparation is carried out to die wear position using semiconductor laser cladding system, using above-mentioned technological parameter：Swash
1 ~ 2kw of luminous power, spot diameter 1mm, 5 ~ 8kg/h of powder feeding rate, 500 ~ 800mm/min of laser scan rate, overlapping rate 30% ~
40%, individual layer cladding 1 ~ 2mm of thickness, laser melting coating head has argon gas defencive function, 15 ~ 30L/min of argon flow amount.
The mould after reparation is machined out using five-axle number control machine tool, returns to the original size of mould, it is final to obtain
The good H13 mould steel of surface property.
Compared with prior art, the advantage of the invention is that：
1. the metal dust has the collocation of preferred alloy content, it is capable of being combined with H13 steel matrix for fine and close consolidation, significantly
The surface property of the lifting H13 steel of degree, extend the service life of H13 steel, good economy performance.
2. this metal dust of application has carried out laser melting coating reparation to the H13 steel profiles extrusion die of breakage, table has been obtained
Face it is more smooth with smooth, pore-free and crackle cermet coating, substantially increase the hardness of H13 steel profile extrusion dies.
Brief description of the drawings
Fig. 1 is the microphoto for the metal dust that laser melting coating repairs H13 mould steel.
Embodiment
With reference to embodiment, the invention will be further described, but is not limited to the following example.Target in embodiment
The mass fraction of each element is as shown in table 1 in product, and performance parameter is as shown in table 2, and Application Example carries out laser to H13 steel and melted
Surface property is as shown in table 3 after covering reparation.
The laser melting coating of table 1 metal powder constituent for repairing H13 steel（Mass fraction, %）
| Embodiment | C | Si | Mn | P | S | Cr | Mo | V | B |
| Embodiment 1 | 0.39 | 2.5 | 0.8 | ≤0.03 | ≤0.03 | 2.9 | 2.1 | 0.89 | 2.5 |
| Embodiment 2 | 0.40 | 3.0 | 0.7 | ≤0.03 | ≤0.03 | 3.0 | 2.2 | 0.95 | 3.2 |
| Embodiment 3 | 0.42 | 3.5 | 0.85 | ≤0.03 | ≤0.03 | 3.2 | 1.9 | 1.02 | 3.6 |
| Comparative example 1 | 0.34 | 0.5 | 0.69 | 0.04 | 0.04 | 2.65 | 1.25 | 0.28 | 0.5 |
| Comparative example 2 | 0.33 | 0.4 | 0.65 | 0.04 | 0.035 | 2.5 | 1.0 | 0.25 | 0.8 |
The laser melting coating of the table 2 metal dust performance parameter for repairing H13 steel（Mass fraction, %）
| Embodiment | Granularity μm | Mobility s/50g | Sphericity % | D50/μm |
| Embodiment 1 | 50-100 | 17 | 90 | 70 |
| Embodiment 2 | 50-100 | 22 | 95 | 74 |
| Embodiment 3 | 50-100 | 19 | 97 | 62 |
| Comparative example 1 | 50-100 | 18 | 96 | 66 |
| Comparative example 2 | 50-100 | 21 | 92 | 65 |
H13 steel surface performances after the laser melting coating of table 3 is repaired
| Embodiment | Hardness HRC | Hardness improves percentage % | Life percentage % |
| Embodiment 1 | 66 | 32 | 220 |
| Embodiment 2 | 64 | 28 | 180 |
| Embodiment 3 | 63 | 26 | 170 |
| Comparative example 1 | 52 | 4 | 20 |
| Comparative example 2 | 54 | 8 | 40 |
Embodiment 1
The mass fraction of its each element is：0.39%C, 2.50%Si, 0.80%Mn, 2.9%Cr, 2.1%Mo, 0.89%V, P≤
0.030%, S≤0.030%, 2.5%B, surplus are Fe and inevitable impurity.
The metal dust particle diameter is：50-100 μm, mobility：17 s/50g, sphericity >=90%, D50=70μm。
Preparation method is：Composition of raw material alloying matches, and vacuum melting steel ingot is then carried out, using Frequency Induction Heating
Melted steel ingot, working chamber's vacuum 10-1-10-2Pa, using aerosolization method powder, dust gases argon pressure 1-4MPa, receives
Sizing is carried out after obtaining powder.
Using the powder after screening, using laser melting and coating technique, different process of arranging in pairs or groups, H13 steel surfaces are repaired.
Die wear position is machined.
Mould surface to be repaired is wiped with acetone, removes surface grease.
Laser melting coating path planning programming is carried out according to die wear position geometry, formulates technological parameter.
Cladding reparation is carried out to die wear position using semiconductor laser cladding system, using above-mentioned technological parameter：Swash
1 ~ 2kw of luminous power, spot diameter 1mm, 5 ~ 8kg/h of powder feeding rate, 500 ~ 800mm/min of laser scan rate, overlapping rate 30% ~
40%, individual layer cladding 1 ~ 2mm of thickness, laser melting coating head has argon gas defencive function, 15 ~ 30L/min of argon flow amount.
The mould after reparation is machined out using five-axle number control machine tool, returns to the original size of mould, it is final to obtain
The good H13 mould steel of surface property.
The mass fraction of each element is as shown in embodiment 1 in table 1 in target product.The performance parameter of the embodiment 1 such as institute of table 2
Show.Surface property is as shown in table 3 after Application Example 1 carries out laser melting coating reparation to H13 steel.
Embodiment 2
The mass fraction of its each element is：0.40%C, 3.0%Si, 0.70%Mn, 3.0%Cr, 2.2%Mo, 0.95%V, P≤
0.030%, S≤0.030%, 3.2%B, surplus are Fe and inevitable impurity.
The metal dust particle diameter is：50-100 μm, mobility：22 s/50g, sphericity >=95%, D50=74μm。
Preparation method is：Composition of raw material alloying matches, and vacuum melting steel ingot is then carried out, using Frequency Induction Heating
Melted steel ingot, working chamber's vacuum 10-1-10-2Pa, using aerosolization method powder, dust gases argon pressure 1-4MPa, receives
Sizing is carried out after obtaining powder.
Using the powder after screening, using laser melting and coating technique, different process of arranging in pairs or groups, H13 steel surfaces are repaired.
Die wear position is machined.
Mould surface to be repaired is wiped with acetone, removes surface grease.
Laser melting coating path planning programming is carried out according to die wear position geometry, formulates technological parameter.
Cladding reparation is carried out to die wear position using semiconductor laser cladding system, using above-mentioned technological parameter：Swash
1 ~ 2kw of luminous power, spot diameter 1mm, 5 ~ 8kg/h of powder feeding rate, 500 ~ 800mm/min of laser scan rate, overlapping rate 30% ~
40%, individual layer cladding 1 ~ 2mm of thickness, laser melting coating head has argon gas defencive function, 15 ~ 30L/min of argon flow amount.
The mould after reparation is machined out using five-axle number control machine tool, returns to the original size of mould, it is final to obtain
The good H13 mould steel of surface property.
The mass fraction of each element is as shown in embodiment 2 in table 1 in target product.The performance parameter of the embodiment 2 such as institute of table 2
Show.Surface property is as shown in table 3 after Application Example 2 carries out laser melting coating reparation to H13 steel.
Embodiment 3
The mass fraction of its each element is：0.42%C, 3.5%Si, 0.85%Mn, 3.2%Cr, 1.9%Mo, 1.02%V, P≤
0.030%, S≤0.030%, 3.6%B, surplus are Fe and inevitable impurity.
The metal dust particle diameter is：50-100 μm, mobility：19 s/50g, sphericity >=97%, D50=62μm。
Preparation method is：Composition of raw material alloying matches, and vacuum melting steel ingot is then carried out, using Frequency Induction Heating
Melted steel ingot, working chamber's vacuum 10-1-10-2Pa, using aerosolization method powder, dust gases argon pressure 1-4MPa, receives
Sizing is carried out after obtaining powder.
Using the powder after screening, using laser melting and coating technique, different process of arranging in pairs or groups, H13 steel surfaces are repaired.
Die wear position is machined.
Mould surface to be repaired is wiped with acetone, removes surface grease.
Laser melting coating path planning programming is carried out according to die wear position geometry, formulates technological parameter.
Cladding reparation is carried out to die wear position using semiconductor laser cladding system, using above-mentioned technological parameter：Swash
1 ~ 2kw of luminous power, spot diameter 1mm, 5 ~ 8kg/h of powder feeding rate, 500 ~ 800mm/min of laser scan rate, overlapping rate 30% ~
40%, individual layer cladding 1 ~ 2mm of thickness, laser melting coating head has argon gas defencive function, 15 ~ 30L/min of argon flow amount.
The mould after reparation is machined out using five-axle number control machine tool, returns to the original size of mould, it is final to obtain
The good H13 mould steel of surface property.
The mass fraction of each element is as shown in embodiment 3 in table 1 in target product.The performance parameter of the embodiment 3 such as institute of table 2
Show.Surface property is as shown in table 3 after Application Example 3 carries out laser melting coating reparation to H13 steel.
Comparative example 1
The mass fraction of its each element is：0.34%C, 0.5%Si, 0.69%Mn, 2.65%Cr, 1.25%Mo, 0.28%V, P≤
0.030%, S≤0.030%, 0.5%B, surplus are Fe and inevitable impurity.
The metal dust particle diameter is：50-100 μm, mobility：18 s/50g, sphericity >=96%, D50=66μm。
Preparation method is：Composition of raw material alloying matches, and vacuum melting steel ingot is then carried out, using Frequency Induction Heating
Melted steel ingot, working chamber's vacuum 10-1-10-2Pa, using aerosolization method powder, dust gases argon pressure 1-4MPa, receives
Sizing is carried out after obtaining powder.
Using the powder after screening, using laser melting and coating technique, different process of arranging in pairs or groups, H13 steel surfaces are repaired.
Die wear position is machined.
Mould surface to be repaired is wiped with acetone, removes surface grease.
Laser melting coating path planning programming is carried out according to die wear position geometry, formulates technological parameter.
Cladding reparation is carried out to die wear position using semiconductor laser cladding system, using above-mentioned technological parameter：Swash
1 ~ 2kw of luminous power, spot diameter 1mm, 5 ~ 8kg/h of powder feeding rate, 500 ~ 800mm/min of laser scan rate, overlapping rate 30% ~
40%, individual layer cladding 1 ~ 2mm of thickness, laser melting coating head has argon gas defencive function, 15 ~ 30L/min of argon flow amount.
The mould after reparation is machined out using five-axle number control machine tool, returns to the original size of mould, it is final to obtain
The good H13 mould steel of surface property.
The mass fraction of each element is as shown in comparative example 1 in table 1 in target product.The performance parameter of the comparative example 1 such as institute of table 2
Show.Surface property is as shown in table 3 after Comparison study example 1 carries out laser melting coating reparation to H13 steel.
Comparative example 2
The mass fraction of its each element is：0.33%C, 0.4%Si, 0.65%Mn, 2.5%Cr, 1.0%Mo, 0.25%V, P≤
0.030%, S≤0.030%, 0.8%B, surplus are Fe and inevitable impurity.
The metal dust particle diameter is：50-100 μm, mobility：21 s/50g, sphericity >=92%, D50=65μm。
Preparation method is：Composition of raw material alloying matches, and vacuum melting steel ingot is then carried out, using Frequency Induction Heating
Melted steel ingot, working chamber's vacuum 10-1-10-2Pa, using aerosolization method powder, dust gases argon pressure 1-4MPa, receives
Sizing is carried out after obtaining powder.
Using the powder after screening, using laser melting and coating technique, different process of arranging in pairs or groups, H13 steel surfaces are repaired.
Die wear position is machined.
Mould surface to be repaired is wiped with acetone, removes surface grease.
Laser melting coating path planning programming is carried out according to die wear position geometry, formulates technological parameter.
Cladding reparation is carried out to die wear position using semiconductor laser cladding system, using above-mentioned technological parameter：Swash
1 ~ 2kw of luminous power, spot diameter 1mm, 5 ~ 8kg/h of powder feeding rate, 500 ~ 800mm/min of laser scan rate, overlapping rate 30% ~
40%, individual layer cladding 1 ~ 2mm of thickness, laser melting coating head has argon gas defencive function, 15 ~ 30L/min of argon flow amount.
The mould after reparation is machined out using five-axle number control machine tool, returns to the original size of mould, it is final to obtain
The good H13 mould steel of surface property.
The mass fraction of each element is as shown in comparative example 2 in table 1 in target product.The performance parameter of the comparative example 2 such as institute of table 2
Show.Surface property is as shown in table 3 after Comparison study example 2 carries out laser melting coating reparation to H13 steel.
Claims (5)
1. a kind of laser melting coating metal dust for repairing H13 mould steel, the mass fraction of its each element are：0.35-0.50%
C, 0.70-3.80%Si, 0.50-1.60%Mn, 2.70-4.00%Cr, 1.30-3.55%Mo, 0.30-1.55%V, 0<P≤
0.030%, 0<S≤0.030%, 1.0-4.0%B, surplus are Fe and inevitable impurity；
The wherein mobility of the metal dust：15-25 s/50g.
2. metal dust according to claim 1, it is characterised in that：B is 2.5-3.5%.
3. metal dust according to claim 1, it is characterised in that：Si is 2.5-3.5%.
4. metal dust according to claim 1, it is characterised in that：Size distribution in：30-150μm.
5. the preparation method of the metal dust as described in claim any one of 1-4, it is characterised in that this method is：Raw material
Composition alloyization matches, and vacuum melting steel ingot is then carried out, using Frequency Induction Heating melted steel ingot, working chamber's vacuum 10-1-
10-2Pa, using aerosolization method powder, dust gases argon pressure 1-4MPa, receives to carry out sizing after powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610714902.0A CN107164756B (en) | 2016-08-25 | 2016-08-25 | A kind of laser melting coating metal dust for repairing H13 mould steel |
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| CN201610714902.0A CN107164756B (en) | 2016-08-25 | 2016-08-25 | A kind of laser melting coating metal dust for repairing H13 mould steel |
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| CN107164756B true CN107164756B (en) | 2018-03-09 |
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|---|---|---|---|---|
| JP7069654B2 (en) * | 2017-11-14 | 2022-05-18 | 大同特殊鋼株式会社 | Mold repair welding material |
| CN109837538A (en) * | 2017-11-27 | 2019-06-04 | 中国石油天然气股份有限公司 | Repairing agent and repairing method |
| CN108118333A (en) * | 2017-12-22 | 2018-06-05 | 北京机科国创轻量化科学研究院有限公司 | A kind of powder of stainless steel for superelevation rate laser melting coating |
| CN109554704A (en) * | 2018-12-24 | 2019-04-02 | 广东省新材料研究所 | A method of remanufacturing cable forming mold |
| CN111270146A (en) * | 2020-03-24 | 2020-06-12 | 华南理工大学 | A kind of H13 die steel wear-resistant composite material and preparation method thereof |
| CN112404420B (en) * | 2020-11-19 | 2022-01-04 | 中南大学 | A kind of high-strength steel powder for 3D printing, its preparation method, 3D printing method and obtained high-strength steel |
| CN113333738B (en) * | 2021-06-23 | 2022-04-12 | 广东省科学院中乌焊接研究所 | H13 steel powder for additive manufacturing and preparation method thereof |
| CN113403542A (en) * | 2021-06-24 | 2021-09-17 | 张云江 | Alloy powder for H13 steel die repair and laser repair method |
| CN116288058A (en) * | 2021-09-08 | 2023-06-23 | 僖昴晰(上海)新材料有限公司 | Alloy steel composition capable of being used for mold surface and application thereof |
| CN115482228B (en) * | 2022-09-26 | 2023-05-16 | 阳江市安佳源五金制品有限公司 | Preparation process for strengthening cutting edge by utilizing laser cladding technology |
| CN116145035B (en) * | 2023-01-16 | 2024-10-29 | 清华大学 | Additive manufacturing hot work die steel based on in-situ alloying technology and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101381869A (en) * | 2008-10-22 | 2009-03-11 | 东莞理工学院 | Special alloy powder for laser cladding high-hardness crack-free iron-based alloy |
| CN102560478A (en) * | 2012-02-29 | 2012-07-11 | 中联重科股份有限公司 | Laser cladding method |
| CN103088336A (en) * | 2013-01-29 | 2013-05-08 | 清华大学 | Laser cladding method for roller |
| CN103993309A (en) * | 2014-04-10 | 2014-08-20 | 江苏新亚特钢锻造有限公司 | Method for re-manufacturing roller through laser |
| CN105714209A (en) * | 2016-03-23 | 2016-06-29 | 华中科技大学 | Metal base ceramic phase reinforced alloy tool steel powder for 3D printing, preparation method and application thereof |
| CN105862032A (en) * | 2016-06-02 | 2016-08-17 | 芜湖三刀材料科技有限公司 | Metal surface wear-resistant coating and preparation method thereof |
-
2016
- 2016-08-25 CN CN201610714902.0A patent/CN107164756B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101381869A (en) * | 2008-10-22 | 2009-03-11 | 东莞理工学院 | Special alloy powder for laser cladding high-hardness crack-free iron-based alloy |
| CN102560478A (en) * | 2012-02-29 | 2012-07-11 | 中联重科股份有限公司 | Laser cladding method |
| CN103088336A (en) * | 2013-01-29 | 2013-05-08 | 清华大学 | Laser cladding method for roller |
| CN103993309A (en) * | 2014-04-10 | 2014-08-20 | 江苏新亚特钢锻造有限公司 | Method for re-manufacturing roller through laser |
| CN105714209A (en) * | 2016-03-23 | 2016-06-29 | 华中科技大学 | Metal base ceramic phase reinforced alloy tool steel powder for 3D printing, preparation method and application thereof |
| CN105862032A (en) * | 2016-06-02 | 2016-08-17 | 芜湖三刀材料科技有限公司 | Metal surface wear-resistant coating and preparation method thereof |
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