CN102115867A - Method for improving corrosion-resisting, wear-resisting and self-lubricating properties of metal by coating technology - Google Patents
Method for improving corrosion-resisting, wear-resisting and self-lubricating properties of metal by coating technology Download PDFInfo
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- CN102115867A CN102115867A CN2009102156865A CN200910215686A CN102115867A CN 102115867 A CN102115867 A CN 102115867A CN 2009102156865 A CN2009102156865 A CN 2009102156865A CN 200910215686 A CN200910215686 A CN 200910215686A CN 102115867 A CN102115867 A CN 102115867A
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Abstract
The invention provides a method for improving the corrosion-resisting, wear-resisting and self-lubricating properties of metal by a coating technology, which comprises the following steps of: putting a deburred, polished and cleaned titanium alloy part on a workpiece frame, and putting the workpiece frame in a vacuum coating chamber; plating a required corrosion-resisting film layer on the surface of the titanium alloy part by a physical vapor deposition (PVD) method; and plating a required wear-resisting and self-lubricating film layer on the surface of the corrosion-resisting film layer of the titanium alloy part by the PVD method, wherein the PVD method comprises a magnetron sputtering method, a multi-arc ion plating method, electronic gun evaporation and the like. The wear-resisting, corrosion-resisting, sealing and lubricating properties of the surface of the plated metal part can be improved, and corrosion and wear among dissimilar metal dual parts can be prevented, so that the service life of the metal part is prolonged, and the using safety factor of the metal part is improved simultaneously.
Description
Technical field
The present invention relates to a kind of method that improves metal corrosion-resisting wear-proof self-lubricating property, relate in particular to a kind of corrosion-resisting wear-proof method of utilizing between coating technique raising dissimilar metal antithesis parts, and increase the self-lubricating property of metallic surface as required, belong to material corrosion guard technology field.
Background technology
The metallic corrosion problem spreads all over the every field of national economy and national defense construction, and a large amount of metal partss and equipment are scrapped because of corrosion.In the design and manufacturing processed of aircraft, the efficient material that the aircraft designer adopts as far as possible is in light weight, intensity is big is as metallic substance such as aldural, titanium alloy, matrix material, superstrength alloy steel.Metal parts on the aircraft comprises galvanic corrosion, stress corrosion, chemical corrosion and wear oxidation etc. because the effect of various factors usually multiple corrosion can take place.Corrosion has brought expensive maintenance issues, and may produce serious consequence.Corrosion is a spontaneous phenomenon, thoroughly eliminating the corrosive idea does not gear to actual circumstances, therefore best bet is to take perfect protection and measure of control, the possibility and the speed of corrosion failure are reduced to minimum, aircraft is met or exceeded life practical life, guarantee aircraft safety and economical operation.
In aircraft manufacturing industry now, galvanic corrosion is common a kind of corrosion phenomenon, it is present between two dissimilar metal antithesis parts, for example, when a titanium alloy member needs riveted on an aluminium alloy pedestal, because not sealing or seal failure between them, can residuary water in the structure slit and dirt and form electrolyte solution, thus galvanic corrosion takes place between aluminium alloy part and titanium alloy pedestal.In order to prevent that this type of corrosive from taking place, existing corrosion protection technology is mainly taked to improve metal essence, protected metal and corrosive medium is separated, metal is carried out surperficial spray treatment, improves measures such as corrosive environment and electro-chemical protection.Wherein, metal being carried out surperficial spray treatment uses more.But in aviation, the method for metal being carried out surperficial spray treatment also can relate to the friction problem for the corrosion prevention poor effect between the dissimilar metal antithesis parts because not only relate to etching problem between the dissimilar metal antithesis parts.For example, if one of them metal parts in the dissimilar metal antithesis parts is carried out surperficial spray treatment, thereby because the spraying rete is not enough or owing to exist friction to make between the metal pairs parts to spray rete very easily to come off not have protective effect or protective effect is very little with sticking power between this metal parts.
In addition, for prevent and reduce the assembling and use in physical abuse, need application self-lubricating rete at piece surface, generally be the coating that contains molybdenumdisulphide.At present, in the manufacturing of air standard part, what external coating (EC) (being slip coating) adopted is the method for applying coating on standardized component that will contain molybdenumdisulphide, not only waste time and energy, operational difficulty, and quality is uncontrollable, shows that the coating thickness is uncontrollable, bonding force is uncontrollable, batch consistence is uncontrollable etc.
Summary of the invention
For solving the deficiency of above corrosion protection technology, the object of the invention provides a kind of method that improves metal corrosion-resisting wear-proof self-lubricating property, especially provide a kind of and plate required anti-corruption and wear-resistant self-lubricating rete by physical vapor deposition (PvD) method one of them metal part surface in dissimilar metal antithesis parts, this rete not only has good wear-resisting under the environment of aircraft flight and preservation, carrying and lubricity, and have excellent anticorrosion, oil resistant, gasproof erosion performance can play surfacecti proteon, anticorrosion, sealing, lubricate and the elongated component effect in work-ing life.
For achieving the above object, it is that example describes that embodiment provided by the present invention needs the titanium alloy member of riveted on the aluminium alloy pedestal with one, and it comprises the steps:
Titanium alloy member after deburring, polishing, the cleaning is placed on the work rest, then this work rest is positioned in the vacuum film coating chamber;
Plate required anticorrosive rete by physical gas-phase deposite method on this titanium alloy member surface;
Plate required wear-resistant self-lubricating rete by physical gas-phase deposite method again at the anticorrosive film surface of above-mentioned titanium alloy member.
Above-mentioned anticorrosive rete comprises the film of aluminum alloy series.
Above-mentioned wear-resistant self-lubricating rete comprise the aluminium alloy that plates earlier mix the molybdenumdisulphide rete and after the molybdenumdisulphide rete that plates.
Above-mentioned wear-resistant self-lubricating rete comprise the titanium alloy that plates earlier mix the molybdenumdisulphide rete and after the molybdenumdisulphide rete that plates.
Above-mentioned wear-resistant self-lubricating rete comprise the aluminium alloy that plates earlier mix titanium alloy mix the molybdenumdisulphide rete and after the molybdenumdisulphide rete that plates.
Described physical gas-phase deposite method comprises magnetically controlled sputter method, multi-arc ion coating method and electron gun evaporation.
The present invention adopts aforesaid method can effectively improve the anticorrosion antiwear self-lubricating property of metallic surface self, can also effectively prevent corrosion and friction between dissimilar metal antithesis parts, thereby prolongs the work-ing life of part, guarantees its safe handling.
Description of drawings
Fig. 1 is that the present invention improves metal corrosion-resisting wear-proof self-lubricating property method flow diagram with coating technique.
Embodiment
One: one titanium alloy member of embodiment and an aluminium alloy pedestal need carry out riveted, and they belong to dissimilar metal antithesis parts.If this titanium alloy member and aluminium alloy pedestal directly carry out riveted, galvanic corrosion easily takes place between them, thereby influence its normal working performance.Therefore, present embodiment is to carry out riveted with the aluminium alloy pedestal again after the surface of this titanium alloy member is coated with anticorrosive rete and wear-resistant self-lubricating rete.Consult shown in Figure 1, the present invention comprises the steps: the titanium alloy member after deburring, polishing, the cleaning is placed on the work rest with the method that coating technique improves metal corrosion-resisting wear-proof self-lubricating property, then this work rest is positioned over (step S100) in the vacuum film coating chamber; Plate required anticorrosive rete on the surface of this titanium alloy member by the physical vapor deposition (PVD) method, in the present embodiment, described anticorrosive rete comprises the film (step S101) of aluminum alloy series; Plate required wear-resistant self-lubricating rete by physical gas-phase deposite method again at the anticorrosive film surface of above-mentioned titanium alloy member, in the present embodiment, described wear-resistant self-lubricating rete comprise the aluminium alloy that plates earlier mix the molybdenumdisulphide rete and after the molybdenumdisulphide rete (step S102) that plates.
In step S101 and step S102, described physical gas-phase deposite method comprises magnetically controlled sputter method, multi-arc ion coating method and electron gun evaporation etc.
Anticorrosive rete that is coated with in step S101 and the wear-resistant self-lubricating rete that is coated with in step S102 can be finished at an indoor plated film of vacuum plating, also can two or more independently vacuum film coating chamber successively plated film finish or in the continuous coating system, finish.
Embodiment two: present embodiment and embodiment one are different be described wear-resistant self-lubricating rete comprise the titanium alloy that plates earlier mix the molybdenumdisulphide rete and after the molybdenumdisulphide rete that plates.Other is all identical with embodiment one.
Embodiment three: present embodiment and embodiment one are different be described wear-resistant self-lubricating rete comprise the aluminium alloy that plates earlier mix titanium alloy mix the molybdenumdisulphide rete and after the molybdenumdisulphide rete that plates.Other is all identical with embodiment one.
In addition, reach processing requirement as required and also can be coated with titanium alloy and molybdenumdisulphide rete to prevent producing corrosion between titanium alloy member and the aluminium alloy pedestal and to improve wear resistance between them at described Al-alloy based seating face.
The present invention is coated with anti-corruption and wear-resistant self-lubricating rete preventing occurring corrosion and friction phenomenon between the antithesis parts by a metal part surface in dissimilar metal antithesis parts, thereby improves its coefficient safe in utilization simultaneously the work-ing life of elongated component.
Claims (6)
1. the method with coating technique raising metal corrosion-resisting wear-proof self-lubricating property is characterized in that this method comprises the steps:
Titanium alloy member after deburring, polishing, the cleaning is placed on the work rest, then this work rest is positioned in the vacuum film coating chamber;
Plate required anticorrosive rete by physical gas-phase deposite method on this titanium alloy member surface;
Plate required wear-resistant self-lubricating rete by physical gas-phase deposite method again at the anticorrosive film surface of above-mentioned titanium alloy member.
2. the method with coating technique raising metal corrosion-resisting wear-proof self-lubricating property according to claim 1 is characterized in that described anticorrosive rete comprises the film of aluminum alloy series.
3. according to claim 1 and 2ly improve the method for metal corrosion-resisting wear-proof self-lubricating property, it is characterized in that with coating technique, described wear-resistant self-lubricating rete comprise the aluminium alloy that plates earlier mix the molybdenumdisulphide rete and after the molybdenumdisulphide rete that plates.
4. according to claim 1 and 2ly improve the method for metal corrosion-resisting wear-proof self-lubricating property, it is characterized in that with coating technique, described wear-resistant self-lubricating rete comprise the titanium alloy that plates earlier mix the molybdenumdisulphide rete and after the molybdenumdisulphide rete that plates.
5. the method that improves metal corrosion-resisting wear-proof self-lubricating property with coating technique according to claim 1 and 2, it is characterized in that, described wear-resistant self-lubricating rete comprise the aluminium alloy that plates earlier mix titanium alloy mix the molybdenumdisulphide rete and after the molybdenumdisulphide rete that plates.
6. the method with coating technique raising metal corrosion-resisting wear-proof self-lubricating property according to claim 1 is characterized in that described physical gas-phase deposite method comprises magnetically controlled sputter method, multi-arc ion coating method and electron gun evaporation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102156865A CN102115867A (en) | 2009-12-30 | 2009-12-30 | Method for improving corrosion-resisting, wear-resisting and self-lubricating properties of metal by coating technology |
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| CN2009102156865A CN102115867A (en) | 2009-12-30 | 2009-12-30 | Method for improving corrosion-resisting, wear-resisting and self-lubricating properties of metal by coating technology |
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| CN102115867A true CN102115867A (en) | 2011-07-06 |
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| CN2009102156865A Pending CN102115867A (en) | 2009-12-30 | 2009-12-30 | Method for improving corrosion-resisting, wear-resisting and self-lubricating properties of metal by coating technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111979518A (en) * | 2020-08-20 | 2020-11-24 | 中国科学院兰州化学物理研究所 | Composite lubricating film loaded with metal-based nanoparticles and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1846990A (en) * | 2005-04-13 | 2006-10-18 | 日立金属株式会社 | Multi-layer coating having excellent adhesion and sliding properties and production method thereof |
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- 2009-12-30 CN CN2009102156865A patent/CN102115867A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1846990A (en) * | 2005-04-13 | 2006-10-18 | 日立金属株式会社 | Multi-layer coating having excellent adhesion and sliding properties and production method thereof |
Non-Patent Citations (2)
| Title |
|---|
| LI YONGLIANG等: "Microstructural and tribological behavior of TiAlN/MoS2-Ti coatings", 《RARE METALS》 * |
| 翁端等: "离子束辅助沉积技术在腐蚀与防护中的应用", 《材料保护》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111979518A (en) * | 2020-08-20 | 2020-11-24 | 中国科学院兰州化学物理研究所 | Composite lubricating film loaded with metal-based nanoparticles and preparation method thereof |
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Addressee: SenFung Vacuum Plating Co., Ltd. Document name: Notification of Patent Invention Entering into Substantive Examination Stage |
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Application publication date: 20110706 |