CN102286719A - Surface wear-resistance coating applied to automobile aluminum alloy movement friction pair - Google Patents
Surface wear-resistance coating applied to automobile aluminum alloy movement friction pair Download PDFInfo
- Publication number
- CN102286719A CN102286719A CN2011102052505A CN201110205250A CN102286719A CN 102286719 A CN102286719 A CN 102286719A CN 2011102052505 A CN2011102052505 A CN 2011102052505A CN 201110205250 A CN201110205250 A CN 201110205250A CN 102286719 A CN102286719 A CN 102286719A
- Authority
- CN
- China
- Prior art keywords
- layer
- target
- coating
- buffer layer
- metal
- 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.)
- Pending
Links
Images
Landscapes
- Chemical Vapour Deposition (AREA)
- Physical Vapour Deposition (AREA)
Abstract
The invention discloses the preparation of a surface wear-resistance coating applied to an automobile aluminum alloy movement friction pair. The coating sequentially consists of an aluminum alloy movement friction pair substrate, a buffer layer, a transition layer and a surface layer, wherein the buffer layer is a metal layer, the transition layer is a metal carbide layer, the surface layer is an adamantine carbon layer, the combining intensity between the surface coating and the aluminum alloy surface is improved, the excellent wear resistance is realized, the surface wear-resistance coating is applied to the surface treatment of automobile parts, and the goals of energy saving and emission reduction are reached.
Description
Technical field
The present invention relates to a kind of aluminium alloy car friction of motion secondary surface wear-resistant coating that is applied to.
Technical background
Along with to the reinforcement of engine and improving constantly of whole lightweight requirements, the ferrous materials proportion will progressively descend in the Vehicle Engine Structure material, and the consumption of type materials such as non-ferrous metal, stupalith, matrix material, macromolecular material rises to some extent.Under the condition of dependable performance, the engine key components and parts will adopt as much as possible that aluminium alloy, matrix material etc. are light-duty, type material replaces ferrous materials.Especially aluminum alloy materials be the typical material of making engine piston, and the frictionloss of piston, piston ring accounts for 40% ~ 50% of the whole friction of engine, and the frictionloss that reduces these component is very beneficial to reducing fuel oil consumption and hazardous emission.At present domestic automobile perhaps adopts traditional oil lubrication mode to realize reducing the purpose of frictionwork at solid lubricant coatings such as the friction of motion secondary surface coated with titanium nitride of these aluminium alloys, molybdenumdisulphide, nylon.But these methods all can't satisfy the growth requirement of the high rotating speed of motor car engine, low oil consumption, high-power and low emission.And a kind of novel solid slip coating that diamond like carbon film/coating (DLC) is recent development gets up, have advantages such as smooth smooth, high rigidity (hardness is higher than 20GPa), low friction (dry friction coefficient and oil lubrication frictional coefficient are less than 0.1), corrosion-resistant, long lifetime, be used widely at aspects such as cutter, medicine equipment, vibrating diaphragms.Diamond like carbon film/coating is particularly useful for the situation that oil lubrication was lost efficacy, and has excellent anti-attrition anti-wear effect under metal to-metal contact.By process optimization, can make itself and aluminum alloy substrate that high bonding strength is arranged.Significant to the reliability that improves engine.
Summary of the invention
The invention provides a kind of aluminium alloy car friction of motion secondary surface wear-resistant coating that is applied to, have good anti-attrition performance.
Technical scheme of the present invention is achieved in that a kind of aluminium alloy car friction of motion secondary surface wear-resistant coating that is applied to, by matrix, and buffer layer, transition layer, the top layer is formed; It is characterized in that: apply buffer layer, transition layer and top layer on the matrix successively; Preparation technology is as follows:
1) with matrix ultrasonic cleaning 10-15min in acetone and ethanol successively, seasoning refills and puts in the vacuum chamber;
2) vacuum chamber is vacuumized, feed argon gas then, feed argon flow amount 80-300sccm, matrix and target are carried out the plasma cleaning; With the metal is target, deposit a metal buffer layer at substrate surface, its metallic target electric current is 8-20A, dutycycle is 40-80%, and frequency is 20-160Hz, pulsed bias 50-1600V, dutycycle 50-85%, frequency is 60-100, depositing time 15-30 min, and deposition pressure 0.3-1.2Pa prepares buffer layer;
Feeding argon gas and methane when 3) preparing transition layer in vacuum chamber, is target with the metal, and methane is precursor, at metallic surface deposition monocarbide transition layer; Its CH
4Flow is 40-400sccm, depositing time 15-25min;
4) preparation is a target with graphite during the top layer, deposition one quasi-diamond carbon-coating on carbide lamella, and its graphite target electric current is 10-20A, depositing time 15-40min; Described buffer layer (2) is that thickness is 1-3 μ m by a kind of in the metals such as chromium, nickel, titanium, tungsten or the combination more than 2 kinds; Described transition layer (3) is the carbide combination of a kind of or metal more than 2 kinds in the metals such as chromium, nickel, titanium, tungsten, and thickness is 1-4 μ m; Described top layer (4) is hydrogeneous quasi-diamond carbon-coating, and thickness is 2-6 μ m.
Positively effect of the present invention is: improve the bonding strength of solid lubricant coating in aluminum alloy surface, have good anti-attrition performance.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
Below by drawings and Examples the present invention is specifically described, but be not equal to restriction the present invention, the change of carrying out according to the present invention for those skilled in the art, all should be included within protection scope of the present invention, a kind of aluminium alloy car friction of motion secondary surface wear-resistant coating that is applied to, by matrix 1, buffer layer 2, transition layer 3, top layer 4 is formed; It is characterized in that: apply buffer layer 2, transition layer 3 and top layer 4 on the matrix 1 successively.
Embodiment 1
Clean and preparation: get liberation CA6102 h type engine h piston, it is forged by the aluminum alloy melt phantom and forms, and cleans each 10min with acetone and ethanol in ultrasonic wave successively, and seasoning places vacuum chamber; Be evacuated to vacuum tightness less than 3.0 * 10
-3Pa; Feed argon gas 500sccm in vacuum chamber, adjust air pressure to 0.6Pa, it is 1000V that workpiece adds pulsed bias, and plasma cleaning workpiece 10min is with impurity and the pollutent of removing remained on surface.
The preparation of buffer layer: argon flow amount is 120sccm, chromium metal target (purity is 99.9%) supply current 10A, and dutycycle is 60%, frequency is 60Hz, pulsed bias 800V, dutycycle 80%, frequency are 60Hz, depositing time 18 min.
The preparation of transition layer: keep above-mentioned condition constant, methane flow is increased to 300sccm gradually from 40sccm, depositing time 20min.
The preparation on top layer: other conditions remain unchanged, and the graphite target supply current is 12A, and dutycycle is 50%, and frequency is 40Hz, the about 30min of depositing time; Obtain the quasi-diamond gradient film at piston face at last.
The thickness measuring of coating: adopt scanning electron microscopy, measure on coating cross section enlarged image, obtaining total coating thickness is 7 μ m.
Tribological property test: the skirt of piston MoS of latest generation in the piston of pressing the above-mentioned processing of process and the present engine industry
2Coating has been carried out performance comparison, and the result is as shown in table 1.As can be seen, the piston face diamond-like coating has ultralow frictional coefficient and high film-substrate cohesion, is more suitable for the needs of contemporary engine development.
Table 1 diamond like carbon film and MoS
2The contrast of coating frictional coefficient
| The coating kind | Frictional coefficient under the oil drag | Frictional coefficient under the metal to-metal contact | Film-substrate cohesion |
| Diamond like carbon film | 0.04~0.06 | 0.02~0.03 | 45~60N |
| MoS 2Coating | 0.06~0.08 | 0.05~0.06 | 40~50N |
1) with matrix ultrasonic cleaning 12min in acetone and ethanol successively, seasoning refills and puts in the vacuum chamber;
2) vacuum chamber is vacuumized, feed argon gas then, feed argon flow amount 80sccm, matrix and target are carried out the plasma cleaning; With the metal titanium is target, deposits a metal buffer layer at substrate surface, and thickness is 1 μ m; Its metal titanium targets electric current is 8A, and dutycycle is 40%, and frequency is 20Hz, pulsed bias 50V, and dutycycle 50%, frequency are 60 Hz, depositing time 15 min, deposition pressure 0.3Pa prepares buffer layer;
Feeding argon gas and methane when 3) preparing transition layer in vacuum chamber, is target with the metal, and methane is precursor, at metal titanium surface deposition monocarbide transition layer; Thickness is 1 μ m; Its CH
4Flow is 40sccm, depositing time 15min;
4) preparation is a target with graphite during the top layer, deposition one quasi-diamond carbon-coating on carbide lamella, and thickness is 2 μ m; Its graphite target electric current is 10A, depositing time 15min.
Embodiment 3
1) with matrix ultrasonic cleaning 15min in acetone and ethanol successively, seasoning refills and puts in the vacuum chamber;
2) vacuum chamber is vacuumized, feed argon gas then, feed argon flow amount 300sccm, matrix and target are carried out the plasma cleaning; With the metallic nickel is target, deposits a metallic nickel buffer layer at substrate surface, and thickness is 3 μ m; Its metallic target electric current is 20A, and dutycycle is 80%, and frequency is 160Hz, pulsed bias 1600V, and dutycycle 85%, frequency are 100 Hz, depositing time 30min, deposition pressure 1.2Pa prepares buffer layer;
Feeding argon gas and methane when 3) preparing transition layer in vacuum chamber, is target with the metallic nickel, and methane is precursor, at metallic nickel surface deposition monocarbide transition layer; Thickness is 4 μ m; Its CH
4Flow is 400sccm, depositing time 25min;
4) preparation is a target with graphite during the top layer, deposition one quasi-diamond carbon-coating on carbide lamella, and thickness is 6 μ m; Its graphite target electric current is 20A, depositing time 40min.
Embodiment 4
1) with matrix ultrasonic cleaning 10-15min in acetone and ethanol successively, seasoning refills and puts in the vacuum chamber;
2) vacuum chamber is vacuumized, feed argon gas then, feed argon flow amount 200sccm, matrix and target are carried out the plasma cleaning; With metal titanium, tungsten is target, deposits a metal titanium, tungsten buffer layer at substrate surface, and its metallic target electric current is 18A, and dutycycle is 60%, frequency is 120Hz, pulsed bias 900V, dutycycle 65%, frequency is 80Hz, depositing time 20 min, and deposition pressure 1.0Pa prepares buffer layer;
Feeding argon gas and methane when 3) preparing transition layer in vacuum chamber, is target with metal titanium, tungsten, and methane is precursor, at metal titanium, tungsten surface deposition monocarbide transition layer; Thickness is 3 μ m; Its CH
4Flow is 300sccm, depositing time 20min;
4) preparation is a target with graphite during the top layer, deposition one quasi-diamond carbon-coating on carbide lamella, and thickness is 4 μ m; Its graphite target electric current is 15A, depositing time 30min.
Claims (4)
1. one kind is applied to aluminium alloy car friction of motion secondary surface wear-resistant coating, by matrix (1), and buffer layer (2), transition layer (3), top layer (4) are formed; It is characterized in that: apply buffer layer (2), transition layer (3) and top layer (4) on the matrix (1) successively; Preparation technology is as follows:
1) with matrix ultrasonic cleaning 10-15min in acetone and ethanol successively, seasoning refills and puts in the vacuum chamber;
2) vacuum chamber is vacuumized, feed argon gas then, feed argon flow amount 80-300sccm, matrix and target are carried out the plasma cleaning; With the metal is target, deposit a metal buffer layer at substrate surface, its metallic target electric current is 8-20A, dutycycle is 40-80%, and frequency is 20-160Hz, pulsed bias 50-1600V, dutycycle 50-85%, frequency is 60-100, depositing time 15-30 min, and deposition pressure 0.3-1.2Pa prepares buffer layer;
Feeding argon gas and methane when 3) preparing transition layer in vacuum chamber, is target with the metal, and methane is precursor, at metallic surface deposition monocarbide transition layer; Its CH
4Flow is 40-400sccm, depositing time 15-25min;
4) preparation is a target with graphite during the top layer, deposition one quasi-diamond carbon-coating on carbide lamella, and its graphite target electric current is 10-20A, depositing time 15-40min.
2. a kind of aluminium alloy car friction of motion secondary surface wear-resistant coating that is applied to according to claim 1 is characterized in that described buffer layer (2) is that thickness is 1-3 μ m by a kind of in the metals such as chromium, nickel, titanium, tungsten or the combination more than 2 kinds.
3. a kind of aluminium alloy car friction of motion secondary surface wear-resistant coating that is applied to according to claim 1, it is characterized in that described transition layer (3) is the carbide combination of a kind of or metal more than 2 kinds in the metals such as chromium, nickel, titanium, tungsten, thickness is 1-4 μ m.
4. a kind of aluminium alloy car friction of motion secondary surface wear-resistant coating that is applied to according to claim 1 is characterized in that described top layer (4) is hydrogeneous quasi-diamond carbon-coating, and thickness is 2-6 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102052505A CN102286719A (en) | 2011-07-21 | 2011-07-21 | Surface wear-resistance coating applied to automobile aluminum alloy movement friction pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102052505A CN102286719A (en) | 2011-07-21 | 2011-07-21 | Surface wear-resistance coating applied to automobile aluminum alloy movement friction pair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102286719A true CN102286719A (en) | 2011-12-21 |
Family
ID=45333472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102052505A Pending CN102286719A (en) | 2011-07-21 | 2011-07-21 | Surface wear-resistance coating applied to automobile aluminum alloy movement friction pair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102286719A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740027A (en) * | 2017-10-25 | 2018-02-27 | 宝鸡市永盛泰钛业有限公司 | A kind of preparation method with wear-resisting anti-stick coating metal material |
| CN108239746A (en) * | 2016-12-27 | 2018-07-03 | 东莞新科技术研究开发有限公司 | In the method that semiconductor component surfaces form diamond like carbon layer |
| CN108677161A (en) * | 2018-05-31 | 2018-10-19 | 江苏恒加机械工程有限公司 | A kind of film plating process of bearing |
| CN109082647A (en) * | 2018-08-08 | 2018-12-25 | 北京航空航天大学 | Aluminum alloy surface DLC protection film preparation method |
| CN113073324A (en) * | 2021-03-26 | 2021-07-06 | 苏州航宇九天动力技术有限公司 | Special treatment process for surface of vacuum motor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5643423A (en) * | 1990-09-27 | 1997-07-01 | Monsanto Company | Method for producing an abrasion resistant coated substrate product |
| CN101062602A (en) * | 2006-04-27 | 2007-10-31 | 株式会社神户制钢所 | Amorphous-carbon-based hard multilayer film and hard surface member having the film on surface |
| CN101532122A (en) * | 2009-04-03 | 2009-09-16 | 西安交通大学 | Method for preparing diamond-like coating on surface of biological medical NiTi alloy |
| CN101597745A (en) * | 2008-06-02 | 2009-12-09 | 中国航天科技集团公司第五研究院第五一○研究所 | Deposition method of TiC/DLC multilayer film |
-
2011
- 2011-07-21 CN CN2011102052505A patent/CN102286719A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5643423A (en) * | 1990-09-27 | 1997-07-01 | Monsanto Company | Method for producing an abrasion resistant coated substrate product |
| CN101062602A (en) * | 2006-04-27 | 2007-10-31 | 株式会社神户制钢所 | Amorphous-carbon-based hard multilayer film and hard surface member having the film on surface |
| CN101597745A (en) * | 2008-06-02 | 2009-12-09 | 中国航天科技集团公司第五研究院第五一○研究所 | Deposition method of TiC/DLC multilayer film |
| CN101532122A (en) * | 2009-04-03 | 2009-09-16 | 西安交通大学 | Method for preparing diamond-like coating on surface of biological medical NiTi alloy |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108239746A (en) * | 2016-12-27 | 2018-07-03 | 东莞新科技术研究开发有限公司 | In the method that semiconductor component surfaces form diamond like carbon layer |
| CN107740027A (en) * | 2017-10-25 | 2018-02-27 | 宝鸡市永盛泰钛业有限公司 | A kind of preparation method with wear-resisting anti-stick coating metal material |
| CN108677161A (en) * | 2018-05-31 | 2018-10-19 | 江苏恒加机械工程有限公司 | A kind of film plating process of bearing |
| CN109082647A (en) * | 2018-08-08 | 2018-12-25 | 北京航空航天大学 | Aluminum alloy surface DLC protection film preparation method |
| CN113073324A (en) * | 2021-03-26 | 2021-07-06 | 苏州航宇九天动力技术有限公司 | Special treatment process for surface of vacuum motor |
| CN113073324B (en) * | 2021-03-26 | 2023-02-28 | 苏州航宇九天动力技术有限公司 | Vacuum motor surface treatment device and treatment process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106661717B (en) | Coating sliding component | |
| CN109023362B (en) | Impact-resistant wear-resistant lubricating composite coating on surface of hydraulic valve rod and preparation method thereof | |
| US20130140776A1 (en) | Sliding element, in particular piston ring, having a coating and process for producing a sliding element | |
| JP5804589B2 (en) | Coated mold or casting member having excellent sliding characteristics and method for producing the same | |
| CN102286723A (en) | Surface wear-resistance coating applied to automobile high-alloy steel movement friction pair | |
| CN107034440B (en) | A kind of composite diamond carbon film and preparation method thereof | |
| CN102286719A (en) | Surface wear-resistance coating applied to automobile aluminum alloy movement friction pair | |
| CN102337497A (en) | Method for preparing multi-element doped carbon-based nano composite film integrating functions of antiwear and lubrication | |
| CN103160781B (en) | Manufacture method of multilayer gradient nano-composite diamond film of surface of die steel | |
| JP4359979B2 (en) | Covered sliding member | |
| CN113621912A (en) | Gradient self-lubricating composite coating and preparation method thereof | |
| CN102286726A (en) | Surface wear-resistance coating applied to automobile ordinary carbon steel movement friction pair | |
| Su et al. | Improvement the tribological properties of diamond-like carbon film via Mo doping in diesel condition | |
| CN106050466A (en) | Piston ring for internal combustion engines | |
| CN104152849A (en) | Method for mass deposition of fullerene-like carbon film on alloy tool steel plunger surface | |
| CN201325158Y (en) | Screw bolt with hard coating | |
| JP4231686B2 (en) | Cr-based nitride and carbide-coated sliding member | |
| CN103009697A (en) | Self-lubricating gradient composite superhard film and preparation method thereof | |
| Kim et al. | Mechanical and friction behavior of sputtered Mo–Cu–(N) coatings under various N2 gas flow using a multicomponent single alloy target | |
| JP5126867B2 (en) | Carbon film manufacturing method | |
| CN103317793B (en) | A kind of diamond-like ground mass nano-composite coating cutter and preparation method thereof | |
| Daodon et al. | Vanadium nitride and titanium nitride coatings for anti-galling behavior in ironing of aluminum alloy cups | |
| CN103290358A (en) | Antiwear and anticorrosion composite coating for mechanical part surface, and preparation method thereof | |
| CN107354431A (en) | TiMoCN gradient composite coating cutters and preparation method thereof | |
| CN103805949A (en) | Molybdenum disulfide self-lubricating composite coating and piston ring coated with coating |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111221 |