CN114774831A - Textured babbit metal coating antifriction surface and preparation method thereof - Google Patents
Textured babbit metal coating antifriction surface and preparation method thereof Download PDFInfo
- Publication number
- CN114774831A CN114774831A CN202210448016.3A CN202210448016A CN114774831A CN 114774831 A CN114774831 A CN 114774831A CN 202210448016 A CN202210448016 A CN 202210448016A CN 114774831 A CN114774831 A CN 114774831A
- Authority
- CN
- China
- Prior art keywords
- metal coating
- babbitt metal
- laser
- micro
- texture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910000897 Babbitt (metal) Inorganic materials 0.000 title claims abstract description 44
- 239000011248 coating agent Substances 0.000 title claims abstract description 44
- 238000000576 coating method Methods 0.000 title claims abstract description 44
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000002131 composite material Substances 0.000 claims abstract description 10
- 239000002245 particle Substances 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 claims abstract description 7
- 230000002411 adverse Effects 0.000 claims abstract description 6
- 239000000758 substrate Substances 0.000 claims abstract description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 239000011159 matrix material Substances 0.000 claims description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 238000005498 polishing Methods 0.000 claims description 5
- 238000007751 thermal spraying Methods 0.000 claims description 5
- 238000003754 machining Methods 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000005461 lubrication Methods 0.000 abstract description 3
- 238000009825 accumulation Methods 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 abstract 2
- 238000005520 cutting process Methods 0.000 abstract 1
- 238000003860 storage Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Images
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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/129—Flame spraying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
-
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
-
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
- C23C4/08—Metallic material containing only metal elements
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Laser Beam Processing (AREA)
Abstract
The patent discloses a textured babbit metal coating antifriction surface and a preparation method thereof, and belongs to the technical field of mechanical motion friction pair surfaces. The circular micro-pit array is a regularly distributed surface pit texture formed by laser processing; the Babbitt metal coating is a mask which is thermally sprayed on the surface of the substrate to reduce the thermal influence of laser processing; the multilayer texture consists of an array of laser-machined pits and babbitt surface interstices. According to the invention, by arranging the Babbitt metal coating and the composite modified surface formed by laser surface texturing, the adverse effect of laser processing on the surface performance can be obviously reduced, the burrs formed by accumulation of hard molten metal and oxides thereof generated in the processing process are reduced, and the formed multilayer texture is beneficial to the storage of abrasive particles and the formation of hydrodynamic lubrication, so that the occurrence of micro-cutting abrasion is reduced, and the frictional abrasion performance of a friction pair is improved.
Description
Technical Field
The invention belongs to the technical field of mechanical motion friction pair surfaces, and particularly relates to a textured babbitt metal coating antifriction surface and a preparation method thereof.
Background
The main cause of the mechanical component failure due to frictional wear, about 80% of the mechanical component failure is caused by various forms of wear, and the economic loss due to the mechanical component failure is as high as billions of yuan.
At present, methods for improving the surface tribological performance include surface texturing and surface coating technologies, wherein the laser surface processing technology is an important way for processing micro-textures on the surface due to high efficiency, strong controllability and high precision. However, the laser surface processing technology is not very favorable for improving the surface tribological performance because the material is melted, splashed and accumulated to generate burrs due to high temperature while the micro texture is processed on the surface.
Researches show that the laser surface processing under the protection of underwater or a mask can well inhibit burrs, so that the coating-texture composite modified antifriction surface for reducing the laser surface processing heat influence is provided, and the formation of a multi-layer texture is more beneficial to the improvement of the surface tribological performance while the adverse effect caused by the laser surface processing is reduced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a textured babbitt metal coating antifriction surface which simultaneously has a babbitt metal coating and a surface texture, the babbitt metal coating serving as a solid mask during laser surface processing can reduce the adverse effects of burrs and the like formed by accumulation of hard metals and oxides thereof during processing, and meanwhile, the multilayer texture formed by micro gaps on the surface of the babbitt metal coating and a circular micro-pit array generated by laser processing is more favorable for formation of fluid dynamic pressure lubrication, so that the three-body friction wear on the surface of a friction pair is reduced, and the purpose of improving the overall friction performance of the surface is achieved.
The invention is realized in this way, the invention discloses a textured babbitt metal coating antifriction surface, the surface comprises a round micro-pit array, a babbitt metal coating mask and a multi-layer texture, the round micro-pit array is regularly distributed surface micro-texture processed by laser surface; the Babbitt metal coating is a mask which is sprayed on the surface of a substrate by flame to reduce the thermal influence of laser surface processing; the multilayer texture is composed of a pit array generated by laser surface processing and a surface gap formed by the characteristic that a soft matrix and hard particles are embedded in the surface of the Babbitt metal.
Further, the circular micro-pit array is a micro-texture formed by processing a picosecond laser under the Babbitt metal coating serving as a solid mask, and the specific geometric parameters are as follows: the diameter is ∈ [130,160] μm, the depth is ∈ [50,80] μm, and the area density is 20%.
Furthermore, the thickness of the Babbitt metal coating mask is within the range of 20,40 μm, and a secondary texture is formed by surface gaps formed by the characteristic that a soft matrix and hard particles are embedded in the surface of the Babbitt metal.
Furthermore, the gaps on the surface of the babbitt metal and the circular micro-pit array generated by laser surface processing form a multi-layer texture, wherein the gaps on the surface of the babbitt metal coating are randomly distributed, and the texture of the circular micro-pit array micro-pits is uniform and regularly distributed.
The other purpose of the invention is realized by the following technical scheme: a preparation method of a composite modified antifriction surface for reducing the thermal influence of laser surface processing is characterized by comprising the following steps: selecting babbit alloy as a coating, spraying the babbit alloy on a base material in a thermal spraying mode, and carrying out grinding and polishing and ethanol and acetone bath ultrasonic cleaning treatment before spraying; the Barbie alloy coating is used as a solid mask, adverse thermal influence is reduced during laser surface processing, and the following laser processing parameters are adopted to manufacture a circular micro-pit array on the surface of the material under the Barbie alloy solid mask: the average power is 20W, the repetition frequency is 2 MHz, the pulse width is 300 ps, the scanning speed is 2000 mm/s, and the scanning times are 30-50; after laser surface machining, the machined surface is lightly polished with an automatic polisher to reduce the effect of some residual adhering debris on the quality of the surface finish.
The invention has the following beneficial effects in the prior art: according to the invention, the textured babbit alloy coating antifriction surface is processed on the surface of the friction pair, the composite surface is beneficial to improving the friction and wear performance of the surface of the friction pair, compared with burrs generated by traditional laser surface processing, the babbit alloy coating has an obvious inhibition effect on the generation of hard burrs, and the multilayer texture can better store oil and abrasive particles, and is more beneficial to forming fluid dynamic pressure lubrication.
Drawings
FIG. 1 is a top view of a schematic representation of the structure of a composite modified antifriction surface of the present invention.
FIG. 2 is an axial view of a schematic representation of the structure of the composite modified antifriction surface of the present invention.
FIG. 3 is a structural diagram of a composite modified antifriction surface multilayer texture of the present invention.
In the figure: 1-base material, 2-round micro-pit array, 3-single micro-pit forming the micro-pit array, 4-babbitt metal coating, 5-multilayer texture.
Detailed Description
The invention provides a textured babbitt metal coating antifriction surface and a preparation method thereof, and in order to make the purpose, technical scheme and effect of the invention clearer and clearer, the invention is further described in detail by referring to the attached drawings and by taking examples. The specific embodiments described herein are merely illustrative of the invention and are not intended to be limiting.
The processing method of the babbitt metal coating is thermal spraying but is not limited to the thermal spraying, and the processing parameters of the circular pit array can be determined according to the requirements and equipment requirements in actual processing.
The GCr15 bearing steel substrate and the picosecond fiber laser are selected as the laser processing method, and the composite modified antifriction surface for reducing the heat influence of laser surface processing and the preparation method thereof are further described in the following by combining the attached drawings 1, 2 and 3 in the specification: FIG. 1 is a schematic diagram of a GCr15 bearing steel material sprayed with Babbitt metal coating after laser surface processing, which comprises a base material GCr15 bearing steel 1, a circular micro-pit array 2, a single micro-pit 3 forming the micro-pit array, and a Babbitt metal coating 4.
In the attached figure 1, a circular micro-pit array 2 is a micro-texture formed by processing a picosecond laser under a babbitt metal coating serving as a solid mask, and the specific geometric parameters are as follows: the diameter is ∈ [130,160] μm, the depth is ∈ [50,80] μm, and the area density is 20%.
In the attached figure 2, the thickness of a mask of the Babyite coating 4 belongs to [20,40] mu m, and a secondary texture is formed by surface gaps formed by the characteristic that a soft matrix and hard particles are embedded in the surface of the Babyite.
In the attached figure 1, the Babbitt metal surface gaps and the circular micro-pit array generated by laser surface processing form a multilayer texture, wherein the surface gaps of the Babbitt metal coating 4 are randomly distributed, and the texture of the circular micro-pit array micro-pits 3 is uniform and regularly distributed.
FIG. 2 is a view showing that a Babbitt metal coating 4 is a mask which is sprayed on the surface of a substrate by flame to reduce the thermal influence of laser surface processing; the multilayer texture 5 in fig. 3 is composed of an array of pits formed by laser surface processing and surface gaps formed by the characteristic that a soft matrix and hard particles are embedded in the surface of babbitt metal.
A preparation method of a composite modified antifriction surface for reducing the thermal influence of laser surface processing comprises the following steps:
firstly, Babbitt metal is selected as a coating, the coating is sprayed on a GCr15 bearing steel matrix material 1 in a thermal spraying mode, the spraying thickness is within 20 and 40 mu m, the surface roughness Ra is about 0.4 mu m, and grinding and polishing and ethanol and acetone bath ultrasonic cleaning treatment are carried out before spraying.
Step two, taking the Barbie alloy coating 4 as a solid mask, reducing adverse thermal influence during laser surface processing, and adopting the following laser processing parameters to manufacture a circular micro-pit array on the surface of a material under the Barbie alloy solid mask, wherein the average power is 20W, the repetition frequency is 2 MHz, the pulse width is 300 ps, the scanning speed is 2000 mm/s, and the scanning times are 30-50 times; a circular array of micro-pits with a diameter ∈ [130,160] μm, a depth ∈ [50,80] μm, and an area density of 20% was obtained.
And step three, after the laser surface processing, slightly polishing the surface on the processed surface by using an automatic polishing machine to reduce the influence of part of residual adhesive debris on the surface processing quality.
Claims (6)
1. A textured babbitt metal coating antifriction surface and a preparation method thereof are provided, wherein the surface comprises a circular micro-pit array, a babbitt metal coating mask and a multi-layer texture.
2. The circular micro-pit array is regularly distributed surface micro-texture formed by laser surface processing; the Babbitt metal coating is a mask which is thermally sprayed on the surface of a substrate to reduce the processing heat influence of the laser surface; the multilayer texture is composed of a pit array generated by laser surface processing and a surface gap formed by the characteristic that a soft matrix on the surface of Babbitt metal is embedded with hard particles.
3. The textured babbitt metal coating antifriction surface of claim 1, wherein the circular array of micro-pits is micro-texture formed by picosecond laser machining under the babbitt metal coating as a solid mask, and the specific geometric parameters are as follows: the diameter is ∈ [130,160] μm, the depth is ∈ [50,80] μm, and the area density is 20%.
4. The textured babbitt metal coating antifriction surface of claim 2, wherein the babbitt metal coating mask has a thickness e [20,40] μm, and surface microgaps formed by the characteristic that a soft matrix and hard particles are embedded in the babbitt metal surface form a secondary texture.
5. The textured babbitt metal coating antifriction surface of claim 1, wherein babbitt metal surface gaps and a circular array of micro-pits produced by laser surface machining form a multi-layer texture, wherein babbitt metal coating surface gaps are randomly distributed and the circular array of micro-pits are uniformly and regularly distributed.
6. A preparation method of a composite modified antifriction surface for reducing the thermal influence of laser surface processing is characterized by comprising the following steps:
1) selecting babbit alloy as a coating, spraying the babbit alloy on a base material in a thermal spraying mode, and carrying out grinding and polishing and ethanol and acetone bath ultrasonic cleaning treatment before spraying;
2) taking the Babbitt metal coating as a solid mask, reducing adverse thermal influence during laser surface processing, and manufacturing a circular micro-pit array on the surface of a material under the Babbitt metal solid mask by adopting the following laser processing parameters: the average power is 20W, the repetition frequency is 2 MHz, the pulse width is 300 ps, the scanning speed is 2000 mm/s, and the scanning times are 30-50 times;
3) after laser surface machining, the machined surface is lightly polished with an automatic polisher to reduce the effect of some residual adhering debris on the quality of the surface finish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210448016.3A CN114774831B (en) | 2022-04-26 | 2022-04-26 | Textured Babbitt metal coating antifriction surface and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210448016.3A CN114774831B (en) | 2022-04-26 | 2022-04-26 | Textured Babbitt metal coating antifriction surface and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114774831A true CN114774831A (en) | 2022-07-22 |
| CN114774831B CN114774831B (en) | 2024-02-09 |
Family
ID=82433926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210448016.3A Active CN114774831B (en) | 2022-04-26 | 2022-04-26 | Textured Babbitt metal coating antifriction surface and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114774831B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3310423A (en) * | 1963-08-27 | 1967-03-21 | Metco Inc | Flame spraying employing laser heating |
| CN103014589A (en) * | 2011-09-26 | 2013-04-03 | 上海大豪纳米材料喷涂有限公司 | Method for thermally spraying Babbitt-metal coating on surface of crosshead |
| CN111020448A (en) * | 2019-12-12 | 2020-04-17 | 北京工商大学 | Wear-resistant anti-corrosion sucker rod coupling with oil storage and oil supplement channel on surface and preparation process |
-
2022
- 2022-04-26 CN CN202210448016.3A patent/CN114774831B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3310423A (en) * | 1963-08-27 | 1967-03-21 | Metco Inc | Flame spraying employing laser heating |
| CN103014589A (en) * | 2011-09-26 | 2013-04-03 | 上海大豪纳米材料喷涂有限公司 | Method for thermally spraying Babbitt-metal coating on surface of crosshead |
| CN111020448A (en) * | 2019-12-12 | 2020-04-17 | 北京工商大学 | Wear-resistant anti-corrosion sucker rod coupling with oil storage and oil supplement channel on surface and preparation process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114774831B (en) | 2024-02-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Vilhena et al. | Influence of texturing parameters and contact conditions on tribological behaviour of laser textured surfaces | |
| CN107761072A (en) | A kind of matrix and preparation method of the enhancing of face coat bond strength | |
| EP0187695B1 (en) | Bearings | |
| CN111519125B (en) | Surface treatment method for outer ring of aircraft engine turbine and outer ring of aircraft engine turbine | |
| Zhang et al. | Improving processing quality and tribological behavior of laser surface textures using oil layer method | |
| Wu et al. | Effect of laser texturing on the antiwear properties of micro-arc oxidation coating formed on Ti-6Al-4V | |
| CN110052779B (en) | High-performance surface composite strengthening method for shaft parts | |
| Houdková et al. | Shifted laser surface texturing for bearings applications | |
| CN111421236A (en) | Micro-texture self-lubricating ball joint with ceramic coating and preparation method thereof | |
| Chen et al. | Effect of geometric micro-groove texture patterns on tribological performance of stainless steel | |
| CN109538626B (en) | Composite microtextured plane sector tile thrust bearing and processing method thereof | |
| CN109338287B (en) | Textured Ta/Ag wide-temperature-zone self-lubricating coating and preparation method thereof | |
| CN112303125B (en) | Sliding bearing with micro-modeling on surface and preparation method thereof | |
| Lian et al. | Performance of microtextured tools fabricated by inductively coupled plasma etching in dry cutting tests on medium carbon steel workpieces | |
| Cao et al. | Laser surface texturing and tribological behaviour under solid lubrication on titanium and titanium alloy surfaces | |
| CN114774831A (en) | Textured babbit metal coating antifriction surface and preparation method thereof | |
| CN108098364A (en) | A kind of micro- texture guide rail of combination and preparation method thereof | |
| Ezhilmaran et al. | Investigation of Nd3+: YAG laser aided surface texturing to improve tribological characteristics of piston ring | |
| CN208067761U (en) | A kind of micro- texture guide rail of combination | |
| Puoza et al. | Laser processing parameter optimization and tribological characteristics of different surface treatment | |
| CN113732366B (en) | Ultrasonic vibration machining tool for inner wall of deep small hole and preparation method thereof | |
| Ghaei et al. | Micro-dimple rolling operation of metallic surfaces | |
| CN108660308A (en) | A method of laser peening is carried out to air cylinder sleeve of engine-piston ring | |
| CN111945158A (en) | Composite treatment method for improving wear resistance of metal surface | |
| CN212286309U (en) | Micro-texture self-lubricating ball joint with ceramic coating |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |