CN108555283A - A kind of Fe-Mn-Si memorial alloys/PZT composite powders and its application - Google Patents
A kind of Fe-Mn-Si memorial alloys/PZT composite powders and its application Download PDFInfo
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- CN108555283A CN108555283A CN201810585947.1A CN201810585947A CN108555283A CN 108555283 A CN108555283 A CN 108555283A CN 201810585947 A CN201810585947 A CN 201810585947A CN 108555283 A CN108555283 A CN 108555283A
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- 239000000843 powder Substances 0.000 title claims abstract description 152
- 239000002131 composite material Substances 0.000 title claims abstract description 60
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 41
- 239000000956 alloy Substances 0.000 title claims abstract description 41
- 229910018643 Mn—Si Inorganic materials 0.000 title claims description 35
- 239000011863 silicon-based powder Substances 0.000 claims abstract description 20
- 239000010963 304 stainless steel Substances 0.000 claims abstract description 9
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims abstract description 9
- 239000011651 chromium Substances 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims description 42
- 239000011248 coating agent Substances 0.000 claims description 39
- 229910052451 lead zirconate titanate Inorganic materials 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 239000013307 optical fiber Substances 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 abstract description 13
- 230000007797 corrosion Effects 0.000 abstract description 12
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 10
- 239000010935 stainless steel Substances 0.000 abstract description 8
- 230000035882 stress Effects 0.000 description 22
- 239000000463 material Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000005275 alloying Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 229910052758 niobium Inorganic materials 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- -1 Cr Powder Substances 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000840 electrochemical analysis Methods 0.000 description 1
- 238000004372 laser cladding Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Classifications
-
- B22F1/0003—
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
The invention discloses a kind of Fe Mn Si memorial alloys/PZT composite powders and its application, affiliated powder to be made of Fe powder, Mn powder, Si powder, Cr powder, Ni powder and PZT powder.Its application is the reparation and surface peening for 304 stainless steel parts.The composite powder of the present invention has wear-resisting, and corrosion-resistant, the characteristics of low stress, the utilization benefit to improving stainless steel parts has preferable foreground.
Description
Technical field
The present invention relates to a kind of alloy composite powder and its application, especially a kind of Fe-Mn-Si memorial alloys/PZT is compound
Powder and its application.
Background technology
304 stainless steels have processing performance good, the high feature of toughness, are widely used in industry and furniture decoration industry.But
It is easily to occur to be drawn by fretting wear in component in use since 304 stainless steels are in use since hardness is relatively low
The failure modes such as the failure, including adhesive wear, abrasive wear and fatigue wear risen.China to 2014, stainless steel annual output
Reach 2169.2 ten thousand tons, stainless steel is widely used in production and living.Since stainless steel component rubs in production process
Wear out failure and cause vast resources to be wasted, reduce Business Economic Benefit, cause the problems such as safety accident.
Invention content
The object of the present invention is to provide a kind of Fe-Mn-Si memorial alloys/PZT composite powders and its applications.The present invention
Composite powder have wear-resisting, corrosion-resistant, the characteristics of low stress, the utilization benefit to improving stainless steel parts has preferable
Foreground.
Technical scheme of the present invention：A kind of Fe-Mn-Si memorial alloys/PZT composite powders, by Fe powder, Mn powder, Si powder, Cr
Powder, Ni powder and PZT powder composition.
Fe-Mn-Si memorial alloys/PZT composite powders above-mentioned, the composite powder by weight, by Fe powder 40-55
Part, 20-35 parts of Mn powder, 5-12 parts of Si powder, 2-6 parts of Cr powder, 1-5 parts of Ni powder and 3-20 parts of compositions of PZT powder.
Fe-Mn-Si memorial alloys/PZT composite powders above-mentioned, the composite powder by weight, by Fe powder 44-50
Part, 27-31 parts of Mn powder, 7-9 parts of Si powder, 3-4 parts of Cr powder, 2-3 parts of Ni powder and 5-15 parts of compositions of PZT powder.
Fe-Mn-Si memorial alloys/PZT composite powders above-mentioned, the composite powder by weight, by 47 parts of Fe powder,
10 parts of 30 parts of Mn powder, 8 parts of Si powder, 4 parts of Cr powder, 3 parts of N powder and PZT powder compositions.
Fe-Mn-Si memorial alloys/PZT composite powders above-mentioned, the Fe powder, Mn powder, Si powder, Cr powder, Ni powder and PZT
The purity of powder is more than 99.7%.
Fe-Mn-Si memorial alloys/PZT composite powders above-mentioned, the Fe powder, Mn powder, Si powder, Cr powder, Ni powder and PZT
The granularity of powder is 140-280 mesh.
Fe-Mn-Si memorial alloys/PZT composite powders above-mentioned, the composite powder be by Fe, Mn, Si, Cr, Ni and
Mechanical lapping is made after 4-8 hours after PZT mixing.
A kind of application using Fe-Mn-Si memorial alloys/PZT composite powders above-mentioned is for stainless steel parts
Reparation and surface peening.
The application of Fe-Mn-Si memorial alloys/PZT composite powders above-mentioned, concrete application method are：In stainless steel zero
The composite powder of the preset 1-2mm thickness in part surface, in optical fiber laser laser output power P=2-2.8KW, scan velocity V
Under conditions of=5-7mm/s, spot size d=(1-2mm) × (9-11mm) and overlapping rate are 40%-60%, it is molten to carry out laser
It covers.
The application of Fe-Mn-Si memorial alloys/PZT composite powders above-mentioned, the laser power P=2.4kW, scanning
Speed V=5mm/s, spot size d=2 × 10mm2, overlapping rate 50%.
Beneficial effects of the present invention
1, the present invention is by by the way that PZT phases are added, utilizing the phase transformation relaxed stress during piezoelectric effect, PZT high temperature point
The alloying element of solution or the second phase enter coating and generate reinforcing reinforcing composite coating wearability.
2, the present invention makes alloying element Ti, Nb, Ni in PZT powder etc. enter coating by laser high temperature, optimizes
The corrosion resistance of coating.
3, compared with prior art, the Fe-Mn-Si memorial alloys/compound paintings of PZT of the invention prepared using laser melting coating
Layer is good with base material metallurgical binding, and memorial alloy stress adaptive characteristic can reduce the defects of coating content with relaxed stress,
The wearability of coating is greatly improved.
Low stress, the high abrasion Fe-Mn-Si memorial alloys/PZT composite coatings of the application exploitation utilize marmem
Piezoelectric effect can occur under stress for stress adaptive characteristic relaxed stress, PZT piezoelectric ceramics, generate phase transformation and also reach pine
The effect of relaxation stress, the two collective effect reduce the effect that the stress in coating residual stress and relaxation wear process improves wearability
Fruit.In addition, the addition of PZT ceramic phases can cause second-phase strength and solution strengthening that can also improve the wearability of composite coating.
The laser cladding coating residual stress of laser melting coating reparation at this stage and hardened stainless steel is big, and tissue defects is caused to increase, abrasion
Process greatly damages the wearability of coating since residual-stress value is larger and defective locations easily fail as weak spot
Energy.Compared with existing laser melting coating repairs means, marmem and PZT phases can relaxed stress, first in coating shape
At when reduce residual thermal stress and structural stress so that quantity reduces the defects of coating crack, gap, optimization well applies
Layer tissue structure, reinforced wear-resistant and corrosion resistance；With relaxation residual stress and second-phase strength, solid solution followed by wear process
Reinforcing can also put forward its high-wearing feature；It is finally that PZT decomposes under laser high temperature, the elements such as Ti, Ni, Nb therein improve
The corrosion resistance of coating.The coating that the present invention is studied passes through the relaxation to the stress in residual stress and friction process, alloy member
Element improves the corrosion resistance of coating, effectively reduces friction and wear failure, improves corrosion resistance coating.So researching and developing a kind of low stress, height
The preparation method of wear-resisting Fe-Mn-Si memorial alloys/PZT composite powders and coating, which can largely economize on resources, improves benefit, and has non-
Often good foreground.
Possessed advantageous effect in order to further illustrate the present invention, inventor have done following experiment：
The hardness of material
Composite coating hardness result prepared by the present invention is as shown in Figure 1, the average hardness of coating reaches 3 times of left sides of base material
It is right.Alloying element is mainly decomposed by PZT and enters coating generation solution strengthening and PZT phases into coating generation second-phase strength
It is caused.
The wearability of material
The laser melting coating memorial alloy composite coating that gained is prepared to the present invention carries out frictional wear experiment, and acquired results are such as
Shown in Fig. 2, when PZT is added, composite coating base wearability is greatly improved than base material, mainly there is memorial alloy and PZT
Stress in low residual stress coating and relaxation process of friction and wear is obtained to the relexation of stress, stress release is abundant, also
There are second-phase strength and solution strengthening so that coating abrasion performance is greatly improved.
The corrosion resistance of material
Fig. 3 is the composite coating of different PZT contents and the polarization curve of base material.The compound of PZT is added as can be drawn from Figure 3
Coating corrosion potential increases, and the tendency that composite coating corrodes reduces, and improves the corrosion resistance of coating.It is primarily due to
The alloying elements such as Ti, Nb, Ni enter the corrosion resistance that coating improves coating.But self-corrosion electricity when reaching 15% is added in PZT contents
Pressure declines instead, because PZT content increases cause defect to increase, reduces the corrosion resistance of coating.
Description of the drawings
The hardness of 1 difference PZT content composite coatings of attached drawing is distributed；
The friction coefficient curve of 2 difference PZT content composite coatings of attached drawing；
3 difference PZT content electrochemical tests of attached drawing.
Specific implementation mode
With reference to embodiment, the present invention is further illustrated, but is not intended as the foundation limited the present invention.
The embodiment of the present invention
Embodiment 1：A kind of Fe-Mn-Si memorial alloys/PZT composite powders, by weight, by 47 parts of Fe powder, Mn powder 30
Part, 8 parts of Si powder, 4 parts of Cr powder, 3 parts of N powder and 10 parts of compositions of PZT powder.
Embodiment 2：A kind of Fe-Mn-Si memorial alloys/PZT composite powders, by weight, by 40 parts of Fe powder, Mn powder 20
Part, 5 parts of Si powder, 2 parts of Cr powder, 1 part of Ni powder and 3 parts of compositions of PZT powder.
Embodiment 3：A kind of Fe-Mn-Si memorial alloys/PZT composite powders, by weight, by 55 parts of Fe powder, Mn powder 35
Part, 12 parts of Si powder, 6 parts of Cr powder, 5 parts of Ni powder and 20 parts of compositions of PZT powder.
Embodiment 4：A kind of Fe-Mn-Si memorial alloys/PZT composite powders, by weight, by 44 parts of Fe powder, Mn powder 27
Part, 7 parts of Si powder, 3 parts of Cr powder, 2 parts of Ni powder and 5 parts of compositions of PZT powder.
Embodiment 5：A kind of Fe-Mn-Si memorial alloys/PZT composite powders, by weight, by 50 parts of Fe powder, Mn powder 31
Part, 9 parts of Si powder, 4 parts of Cr powder, 3 parts of Ni powder and 15 parts of compositions of PZT powder.
The purity of Fe powder, Mn powder, Si powder, Cr powder, Ni powder and PZT powder described in embodiment 1-5 is more than 99.7%.
The granularity of Fe powder, Mn powder, Si powder, Cr powder, Ni powder and PZT powder described in embodiment 1-5 is 140-280 mesh.
Composite powder described in embodiment 1-5 is that mechanical lapping is made after 4-8 hours after mixing Fe, Mn, Si, Cr, Ni and PZT
.
Embodiment 6：A kind of application of Fe-Mn-Si memorial alloys/PZT composite powders described in embodiment 1-5, is to be used for
The reparation and surface peening of 304 stainless steel parts, specific method are thick in the preset 1.5mm of 304 stainless steel component surfaces
The composite powder, in optical fiber laser power P=2.4kW, scan velocity V=5mm/s, spot size d=2 × 10mm2 takes
Connect rate be 50% under conditions of, carry out laser melting coating.
Embodiment 7：A kind of application of Fe-Mn-Si memorial alloys/PZT composite powders described in embodiment 1-5, is to be used for
The reparation and surface peening of 304 stainless steel parts, specific method are the institutes in the preset 1mm thickness of 304 stainless steel component surfaces
Composite powder is stated, in optical fiber laser laser output power P=2KW, scan velocity V=5mm/s, spot size d=(1mm) ×
Under conditions of (9mm) and overlapping rate are 40%%, laser melting coating is carried out.
Embodiment 8：A kind of application of Fe-Mn-Si memorial alloys/PZT composite powders described in embodiment 1-5, is to be used for
The reparation and surface peening of 304 stainless steel parts, specific method are the institutes in the preset 2mm thickness of 304 stainless steel component surfaces
Composite powder is stated, in optical fiber laser laser output power P=2.8KW, scan velocity V=7mm/s, spot size d=(2mm)
Under conditions of × (11mm) and overlapping rate are 60%, laser melting coating is carried out.
Claims (10)
1. a kind of Fe-Mn-Si memorial alloys/PZT composite powders, it is characterised in that：By Fe powder, Mn powder, Si powder, Cr powder, Ni powder
It is formed with PZT powder.
2. Fe-Mn-Si memorial alloys/PZT composite powders according to claim 1, it is characterised in that：The composite powder
By weight, by 40-55 parts of Fe powder, 20-35 parts of Mn powder, 5-12 parts of Si powder, 2-6 parts of Cr powder, 1-5 parts of Ni powder and PZT powder 3-
20 parts of compositions.
3. Fe-Mn-Si memorial alloys/PZT composite powders according to claim 2, it is characterised in that：The composite powder
By weight, by 44-50 parts of Fe powder, 27-31 parts of Mn powder, 7-9 parts of Si powder, 3-4 parts of Cr powder, 2-3 parts of Ni powder and PZT powder 5-15
Part composition.
4. Fe-Mn-Si memorial alloys/PZT composite powders according to claim 3, it is characterised in that：The composite powder
By weight, it is made of 10 parts of 47 parts of Fe powder, 30 parts of Mn powder, 8 parts of Si powder, 4 parts of Cr powder, 3 parts of N powder and PZT powder.
5. according to claim 1-4 any one of them Fe-Mn-Si memorial alloys/PZT composite powders, it is characterised in that：It is described
Fe powder, Mn powder, Si powder, Cr powder, Ni powder and PZT powder purity be more than 99.7%.
6. according to claim 1-4 any one of them Fe-Mn-Si memorial alloys/PZT composite powders, it is characterised in that：It is described
Fe powder, Mn powder, Si powder, Cr powder, Ni powder and PZT powder granularity be 140-280 mesh.
7. Fe-Mn-Si memorial alloys/PZT composite powders according to claim 1, it is characterised in that：The composite powder
It is that mechanical lapping is made after 4-8 hours after mixing Fe, Mn, Si, Cr, Ni and PZT.
8. a kind of application using claim 1-7 any one of them Fe-Mn-Si memorial alloys/PZT composite powders, special
Sign is：It is the reparation and surface peening for 304 stainless steel parts.
9. the application of Fe-Mn-Si memorial alloys/PZT composite powders according to claim 8, which is characterized in that specifically answer
It is with method：In the composite powder of the preset 1-2mm thickness of 304 stainless steel component surfaces, exported in optical fiber laser laser
Power P=2-2.8KW, scan velocity V=5-7mm/s, spot size d=(1-2mm) × (9-11mm) and overlapping rate are 40%-
Under conditions of 60%, laser melting coating is carried out.
10. the application of Fe-Mn-Si memorial alloys/PZT composite powders according to claim 9, it is characterised in that：It is described
Laser power P=2.4kW, scan velocity V=5mm/s, spot size d=2 × 10mm2, overlapping rate 50%.
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Cited By (2)
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| CN109943845A (en) * | 2019-05-06 | 2019-06-28 | 贵州大学 | A kind of nodularization MMC composite coating material and its laser cladding method |
| CN115044903A (en) * | 2022-07-12 | 2022-09-13 | 贵州大学 | Abrasion-resistant super-hydrophobic shape memory alloy coating and preparation method thereof |
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