CN102002422A - Lubricating oil suitable for silicon nitride ceramics or bearing steel friction pairs and preparation method thereof - Google Patents
Lubricating oil suitable for silicon nitride ceramics or bearing steel friction pairs and preparation method thereof Download PDFInfo
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- CN102002422A CN102002422A CN2010105790450A CN201010579045A CN102002422A CN 102002422 A CN102002422 A CN 102002422A CN 2010105790450 A CN2010105790450 A CN 2010105790450A CN 201010579045 A CN201010579045 A CN 201010579045A CN 102002422 A CN102002422 A CN 102002422A
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- silicon nitride
- nitride ceramics
- bearing steel
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Abstract
The invention relates to lubricating oil suitable for silicon nitride ceramics or bearing steel friction pairs and a preparation method thereof. The lubricating oil consists of 1.5 to 2.5 weight percent of diisopropyl phosphite, 0.6 to 1.5 weight percent of phosphosulfate nitrogen-containing derivative and the balance of vacuum pump oil. The method comprises the following steps of: a, adding 1.5 to 2.5 weight percent of diisopropyl phosphite and 0.6 to 1.5 weight percent of phosphosulfate nitrogen-containing derivative into 96 to 97.9 weight percent of vacuum pump oil to form mixed solution; and b, heating the mixed solution to between 50 and 60 DEG C, and stirring the heated solution for 20 to 40 minutes to obtain the lubricating oil. The lubricating oil can form a good boundary oil film, has low friction power consumption and low abrasion, meets the design requirement, and has low cost and simple manufacturing process.
Description
Technical field
The present invention relates to a kind of lubricating oil that is applicable to silicon nitride ceramics/bearing steel friction pair, belong to the petrochemical technology field.
Background technology
Silicon nitride ceramics has high strength, high rigidity, advantage such as wear-resisting, high temperature resistant, corrosion-resistant, extensively is used as mechanical seal ring, carries the pipeline of electromagnetic pump of aluminium liquid and valve, permanent mold, molten steel separating ring etc.Studies show that: under no shock load, silicon nitride ceramics shows lower frictional coefficient, is particularly suitable for being made as wearing piece uses such as high-temperature bearing.In industrial application, silicon nitride ceramics and bearing steel friction pair are used comparatively extensive, and therefore, preparation is applicable to the additive composition for lubricant oil of silicon nitride ceramics and bearing steel friction pair, and is significant to the anti-wear and wear-resistant performance that strengthens friction pair.
It is less at present to join the composite research of lubricant additive of secondary friction pair around silicon nitride ceramics and bearing steel; By domestic and international patent inquiry, do not find towards the publication and the data of the special lube and the additive of this friction pair.At the domestic and international state of the art, present patent application proposes a kind of efficient lubricant oil that is applicable to silicon nitride ceramics or bearing steel friction pair.
Summary of the invention
Technical problem:The objective of the invention is to develop a kind of new oil product of lubricating oil that is applicable to silicon nitride ceramics or bearing steel friction pair and preparation method thereof, make it be adapted at operation under the boundary lubrication, improve the friction pair use properties.
Technical scheme:For solving the problems of the technologies described above, provided by the inventionly a kind ofly be applicable to that the lubricating oil of silicon nitride ceramics or bearing steel friction pair is the di-isopropyl phosphite of 1.5%-2.5% by weight percent, weight percent is that phosphorus sulfuric acid nitrogen containing derivative and the surplus of 0.6%-1.5% is that vacuum pump oil is formed.
The present invention also provides a kind of preparation method who is applicable to the lubricating oil of silicon nitride ceramics or bearing steel friction pair, and the method includes the steps of:
⑴ join the phosphorus sulfuric acid nitrogen containing derivative that di-isopropyl phosphite and the weight percent of weight percent 1.5%-2.5% is 0.6%-1.5% in the vacuum pump oil that weight percent is 96 %-97.9%, constitutes mixed solution;
⑵ be heated to 50 ~ 60 with above-mentioned mixed solution
, stirred 20 ~ 40 minutes, promptly obtain lubricating oil.
Beneficial effect:Lubricating oil provided by the invention and preparation method thereof can form good border oil film, and friction power loss is little, and abrasion loss is low, has reached design requirements, and cost is low, and manufacture craft is simple.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing.
Embodiment 1:
It is 97.5% vacuum pump oil that weight percent is provided, and weight percent is 1.5% di-isopropyl phosphite, and weight percent is 1% phosphorus sulfuric acid nitrogen containing derivative, after mentioned component is mixed, is heated to 50
, stir after 30 minutes, promptly obtain the new oil product of lubricating oil of the present invention.
Embodiment 2:
It is 96% vacuum pump oil that weight percent is provided, and weight percent is 2.5% di-isopropyl phosphite, and weight percent is 1.5% phosphorus sulfuric acid nitrogen containing derivative, after mentioned component is mixed, is heated to 60
, stirred 40 minutes, promptly obtain the new oil product of lubricating oil of the present invention.
Embodiment 3:
It is 97.9% vacuum pump oil that weight percent is provided, and weight percent is 1.5% di-isopropyl phosphite, and weight percent is 0.6% phosphorus sulfuric acid nitrogen containing derivative, after mentioned component is mixed, is heated to 50
, stir after 20 minutes, promptly obtain the new oil product of lubricating oil of the present invention.
Embodiment 4:
It is 96% vacuum pump oil that weight percent is provided, and weight percent is 2.5% di-isopropyl phosphite, and weight percent is 1.5% phosphorus sulfuric acid nitrogen containing derivative, after mentioned component is mixed, is heated to 50
, stir after 30 minutes, promptly obtain the new oil product of lubricating oil of the present invention.
Select silicon nitride ceramics/bearing steel friction pair for use, do qualification test with silicon nitride ceramics of the present invention/bearing steel friction lubricating oil on the MM-W1A type friction wear testing machine of Jinan ensaying group, the result shows that friction and wear reduces significantly.Silicon nitride ceramics/new oil product of bearing steel friction lubricating oil can form good border oil film, and friction power loss is little, and abrasion loss is low, has reached design requirements, and cost is low, and manufacture craft is simple.
Claims (2)
1. lubricating oil that is applicable to silicon nitride ceramics or bearing steel friction pair, it is characterized in that, this lubricating oil is the di-isopropyl phosphite of 1.5%-2.5% by weight percent, and weight percent is that phosphorus sulfuric acid nitrogen containing derivative and the surplus of 0.6%-1.5% is that vacuum pump oil is formed.
2. preparation method who is applicable to the lubricating oil of silicon nitride ceramics or bearing steel friction pair is characterized in that the method includes the steps of:
A. the phosphorus sulfuric acid nitrogen containing derivative that di-isopropyl phosphite and the weight percent of weight percent 1.5%-2.5% is 0.6%-1.5% joins in the vacuum pump oil that weight percent is 96 %-97.9%, constitutes mixed solution;
B. above-mentioned mixed solution is heated to 50 ~ 60
, stirred 20 ~ 40 minutes, promptly obtain lubricating oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105790450A CN102002422A (en) | 2010-12-09 | 2010-12-09 | Lubricating oil suitable for silicon nitride ceramics or bearing steel friction pairs and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105790450A CN102002422A (en) | 2010-12-09 | 2010-12-09 | Lubricating oil suitable for silicon nitride ceramics or bearing steel friction pairs and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102002422A true CN102002422A (en) | 2011-04-06 |
Family
ID=43810125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105790450A Pending CN102002422A (en) | 2010-12-09 | 2010-12-09 | Lubricating oil suitable for silicon nitride ceramics or bearing steel friction pairs and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102002422A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2106394C1 (en) * | 1996-12-15 | 1998-03-10 | Самигуллин Рашид Хамзаевич | Low-temperature lubricating oil |
| CN101245278A (en) * | 2006-12-08 | 2008-08-20 | 雅富顿公司 | Lubricant formulations with improved antiwear properties |
-
2010
- 2010-12-09 CN CN2010105790450A patent/CN102002422A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2106394C1 (en) * | 1996-12-15 | 1998-03-10 | Самигуллин Рашид Хамзаевич | Low-temperature lubricating oil |
| CN101245278A (en) * | 2006-12-08 | 2008-08-20 | 雅富顿公司 | Lubricant formulations with improved antiwear properties |
Non-Patent Citations (2)
| Title |
|---|
| 《摩擦学学报》 20040131 蒋书运 "几种油性剂和极压抗磨剂对T8钢/Al2O3摩擦磨损性能的影响" 第29-32页 1-2 第24卷, 第1期 * |
| 蒋书运: ""几种油性剂和极压抗磨剂对T8钢/Al2O3摩擦磨损性能的影响"", 《摩擦学学报》 * |
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Application publication date: 20110406 |