CN201762435U - Solid lubricating film with high-temperature resistance - Google Patents
Solid lubricating film with high-temperature resistance Download PDFInfo
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- CN201762435U CN201762435U CN2010202438696U CN201020243869U CN201762435U CN 201762435 U CN201762435 U CN 201762435U CN 2010202438696 U CN2010202438696 U CN 2010202438696U CN 201020243869 U CN201020243869 U CN 201020243869U CN 201762435 U CN201762435 U CN 201762435U
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- lubricant film
- film
- high temperature
- solid lubricant
- titanium
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Abstract
The utility model discloses a solid lubricating film with high-temperature resistance. The solid lubricating film comprises a transition layer, a bearing layer and a lubricating layer, wherein a titanium film used as the transition layer, a titanium nitride film used as the bearing layer and a silicon disulfide film used as the lubricating layer are sequentially prepared at the surface of a metal moving component by adopting a magnetron sputtering method. In the solid lubricating film with high-temperature resistance, the frictional coefficient is smaller than 0.3, and the wear rate is smaller than 0.05mg*min<-1>. Moreover, the preparation method has simple process and is suitable for the high-temperature lubrication of the metal moving component.
Description
Technical field
The utility model relates to a kind of high-temperature lubricating material, particularly a kind of high temperature resistant solid lubricant film.
Background technology
The intermetallic compound molybdenum disilicide is because of higher hardness (8.3GPa) and Young's modulus (about 400GPa), excellent high-temperature oxidation resistant (oxidation resistance temperature can reach more than 1600 ℃) and resistance to corrosion and many characteristics that are better than stupalith (as: available electrospark machining with mould crisp conversion characteristic etc.), and the application in the high-temperature wearable field has begun to receive publicity.Pure molybdenum disilicide material has excellent abrasion resistance in two kinds of serious abrasive wear environment.The preliminary study of Hawk etc. shows that molybdenum disilicide can be used as high-abrasive material or improves the additive of stupalith wear resistance.The nineties, the domestic research of carrying out the high-temperature structural material angle to the molybdenum disilicide material mainly concentrates on the improvement of its preparation and mechanical property, seldom relates to its friction and wear behavior.
Existing molybdenum disilicide polycrystalline material or be in the matrix material of matrix with the molybdenum disilicide, because aspects such as production technique, feed composition, molybdenum disilicide crystal grain is comparatively thick, average crystal grain diameter is generally 10～200um.At present, the main method of preparation molybdenum disilicide has two kinds: directly mix molybdenum silicide powder by force with silicon nitride, silicon carbide etc. mutually (1), becomes dense material through hot pressed sintering or HIP sintering; (2) reaction sintering.Defective is more in the former production cost height, the weave construction, and high sintering temperature can cause molybdenum disilicide material monolithic mechanical property to descend.And that the latter also exists is comparatively thick such as the crystal grain of material, the form that can not inherit the molybdenum powder body, a large amount of cavity and spaces are kept in the molybdenumdisulphide material, need problems such as aftertreatment.
The utility model content
Problem to be solved in the utility model is to overcome the deficiencies in the prior art and provides a kind of wear rate little, has the high temperature resistant solid lubricant film of higher hardness, Young's modulus, high-temperature oxidation resistance and erosion resistance.
In order to solve the problems of the technologies described above, technical solution adopted in the utility model is: a kind of high temperature resistant solid lubricant film, this solid lubricant film is made up of transition layer, bearing bed and lubricant film, the movement of metallic component surface adopt magnetron sputtering method prepare successively titanium film as transition layer, titanium nitride film as bearing bed and curing silicon fiml as lubricant film.
Preferably, in the above-mentioned high temperature resistant solid lubricant film of the utility model, the material of described movement of metallic component is selected from metallic substance such as titanium, aluminium, titanium alloy, aluminium alloy and steel; The thickness of described transition layer is 40nm～80nm; The thickness of described bearing bed is 2um～10um; The thickness of described lubricant film is 12um～20um.
The beneficial effects of the utility model: the high temperature resistant solid lubricant film of (1) the utility model carries out the high temperature friction and wear experiment on XP-5 type numerical control high temperature friction and wear experimental machine, when temperature is 700 ℃～1200 ℃, load range is 10N～150N, when fraction time is 300min, the frictional coefficient of solid lubricant film is less than 0.3, and wear rate is less than 0.05mgmin
-1(2) intermetallic compound molybdenum disilicide has higher hardness, Young's modulus, high-temperature oxidation resistance and the erosion resistance close with pottery.(3) adopt titanium layer as transition layer, the structured material of titanium and movement of metallic component mates on Young's modulus, thermal expansivity, chemistry and structure, can not only reduce in the coating and the stress of interface region, and can improve film-substrate cohesion, and then avoid that coating comes off from base material under the service conditions such as high temperature, heavy duty, high speed, prolonged the friction durability of coating.(4) solid lubricant film of magnetron sputtering method preparation, the even film layer densification, defective is few, component proportions is controlled, need not aftertreatment and technology is simple, cost is lower.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Wherein: 1 is the movement of metallic component; 2 is transition layer; 3 is bearing bed; 4 is lubricant film.
Embodiment
Below in conjunction with the drawings and specific embodiments, further set forth the utility model.These embodiment be interpreted as only being used to the utility model is described and be not used in the restriction protection domain of the present utility model.After the content of having read the utility model record, those skilled in the art can make various changes or modifications the utility model, and these equivalences change and modification falls into the utility model claim institute restricted portion equally.
As shown in Figure 1, the high temperature resistant solid lubricant film that the utility model one preferred embodiment provides, form by transition layer 2, bearing bed 3 and lubricant film 4, adopt on movement of metallic component 1 surface conventional magnetron sputtering method prepare successively titanium film as transition layer 2, titanium nitride film as bearing bed 3 and curing silicon fiml as lubricant film 4.The material of the movement of metallic component 1 of present embodiment is selected from metallic substance such as titanium, aluminium, titanium alloy, aluminium alloy and steel; Described transition layer 2 thickness are 40nm～80nm; Described bearing bed 3 thickness are 2um～10um; Described lubricant film 4 thickness are 12um～20um.
Employing is of a size of the TC4 exemplar of Φ 10 * 3mm as movement of metallic component 1, adopt on its surface conventional magnetron sputtering method prepare successively titanium film as transition layer 2, titanium nitride film as bearing bed 3 and curing silicon fiml as lubricant film 4.Wherein the thickness of transition layer 2 is 50nm, and the thickness of bearing bed 3 is 7um, and the thickness of lubricant film 4 is 16um.
The high temperature resistant solid lubricant film of present embodiment is carried out the high temperature friction and wear experiment on XP-5 type numerical control high temperature friction and wear experimental machine, when temperature is 700 ℃～1200 ℃, load range is 10N～150N, when fraction time is 300min, the frictional coefficient of solid lubricant film is less than 0.3, and wear rate is less than 0.05mgmin
-1
Claims (5)
1. high temperature resistant solid lubricant film, it is characterized in that, this solid lubricant film is made up of transition layer, bearing bed and lubricant film, the movement of metallic component surface adopt magnetron sputtering method prepare successively titanium film as transition layer, titanium nitride film as bearing bed and curing silicon fiml as lubricant film.
2. by the described high temperature resistant solid lubricant film of claim 1, it is characterized in that the material of movement of metallic component is titanium, aluminium, titanium alloy, aluminium alloy or steel.
3. by the described high temperature resistant solid lubricant film of claim 1, it is characterized in that the thickness of transition layer is 40nm～80nm.
4. by the described high temperature resistant solid lubricant film of claim 1, it is characterized in that the thickness of bearing bed is 2um～10um.
5. by the described high temperature resistant solid lubricant film of claim 1, it is characterized in that the thickness of lubricant film is 12um～20um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202438696U CN201762435U (en) | 2010-06-29 | 2010-06-29 | Solid lubricating film with high-temperature resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202438696U CN201762435U (en) | 2010-06-29 | 2010-06-29 | Solid lubricating film with high-temperature resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201762435U true CN201762435U (en) | 2011-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202438696U Expired - Lifetime CN201762435U (en) | 2010-06-29 | 2010-06-29 | Solid lubricating film with high-temperature resistance |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104711513A (en) * | 2013-12-17 | 2015-06-17 | 上海航天设备制造总厂 | Solid lubricating film layer and preparation method thereof |
| CN105441891A (en) * | 2015-12-29 | 2016-03-30 | 哈尔滨工业大学 | Method for preparing tantalum alloying solid lubricating layer on surface of workpiece by utilizing high-current pulsed electron beam |
-
2010
- 2010-06-29 CN CN2010202438696U patent/CN201762435U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104711513A (en) * | 2013-12-17 | 2015-06-17 | 上海航天设备制造总厂 | Solid lubricating film layer and preparation method thereof |
| CN105441891A (en) * | 2015-12-29 | 2016-03-30 | 哈尔滨工业大学 | Method for preparing tantalum alloying solid lubricating layer on surface of workpiece by utilizing high-current pulsed electron beam |
| CN105441891B (en) * | 2015-12-29 | 2017-11-03 | 哈尔滨工业大学 | A kind of method that utilization high-current pulsed electron beam prepares alloying Ta solid lubricant layer in workpiece surface |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110316 |