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High-speed friction metal surface nano modified material and preparation method thereof

A nano-modified material and metal surface technology, applied in the field of high-speed friction metal surface nano-modified materials and their preparation, and the field of high-speed friction metal surface nano-modified materials, can solve the problem that the lubricating performance of lubricating oil cannot be improved immediately, and the optimization of lubricating oil is weak. , lubrication performance attenuation and other problems, to achieve the dual effect of improving lubrication and film repairing

Active Publication Date: 2018-08-17
大连辉华新材料有限公司
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AI Technical Summary

Problems solved by technology

[0005] One is to add a slip modifier to the lubricating oil (grease). The principle of this type of technology is to form a lubricating film on the contact surface between the friction pairs, with a thickness of several nanometers to tens of nanometers, which can reduce the friction between the friction pairs. The coefficient of friction reduces the frictional resistance. Its effect is equivalent to improving the lubricating index and lubricating performance of the lubricating oil and prolonging the service life of the lubricating oil. In essence, it is the optimization and modification of the lubricating oil itself, but it has the function of repairing the friction wound. relatively weak
[0006] The second is to add inorganic repair materials (such as serpentine, borate, etc.) to the lubricating oil (grease). The above-mentioned substances in the base react very slowly with the base surface (generally it takes several months), and a ceramic alloy film is formed on the contact surface, with a thickness ranging from tens of nanometers to tens of microns, which can continuously repair the friction wound The main feature is that the long-term repair function is relatively strong, but the effect is relatively slow. In essence, it is the optimization and modification of the friction base surface. The optimization of the lubricating oil (grease) is relatively weak, and the lubricating performance of the lubricating oil (grease) cannot be immediately improved. During the formation of the alloy film, the operating state of the lubricating oil does not improve much, and the lubricating performance will normally decay. After the formation of the alloy film, due to the greatly reduced friction coefficient, the friction energy will also decrease, and the lubricating oil will also prolong. (grease) service life, but the real reason is that the normal operation of the frictional movement has lower requirements on the performance of the lubricating oil than before the formation of the alloy film, rather than the improvement of the performance of the lubricating oil

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  • High-speed friction metal surface nano modified material and preparation method thereof
  • High-speed friction metal surface nano modified material and preparation method thereof

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preparation example Construction

[0042] A kind of preparation method of high-speed friction metal surface nano-modified material, described preparation method comprises the following steps:

[0043] Step 1: Carry out flotation, magnetic separation, three-stage crushing of monazite ore, grind it into 5000-8000 mesh (1-3um), and then carry out ultrasonic crushing to form 100nm powder for later use;

[0044] Step 2: Use KH-550 silane coupling agent to organically coat the surface of nano-barium sulfate, add absolute ethanol, nano-barium sulfate and the corresponding proportion of silane coupling agent to the reaction kettle, feed N2, under N2 flow The temperature was raised to 85°C and the reaction was stirred for 6h. After the reaction, the product was vacuum-filtered while it was hot, and after ultrasonic dispersion (ultrasonic medium: water, absolute ethanol; time: 30min), centrifugal washing (medium: water, absolute ethanol; time: 25min), dried at 105°C 12h, stand-by after cooling.

[0045] Step 3: Purchas...

Embodiment 1

[0051] Step 1: Flotation and magnetic separation of 250 grams of monazite ore powder, three-stage crushing, grinding to 5000 mesh to 8000 mesh (1 to 3um), and ultrasonic crushing to 100nm powder for later use;

[0052] Step 2: Use KH-550 silane coupling agent to organically coat the surface of nano barium sulfate, add 100 grams of absolute ethanol, 100 grams of nano barium sulfate and 10 grams of silane coupling agent in the reaction kettle, feed N2, in N2 The temperature was raised to 85°C under airflow and the reaction was stirred for 6h. After the reaction, the product was vacuum-filtered while it was hot, dispersed by ultrasonic (ultrasonic medium: absolute ethanol; time: 30 min), centrifugal washing (medium: absolute ethanol; time: 25 min), dried at 105°C for 12 h, and cooled stand-by.

[0053] Step 3: Prepare 180 grams of nano-bastnasite polishing powder (Guangdong Dongna) with a particle size of 200nm to 500nm;

[0054] Step 4: Mix absolute ethanol with deionized wate...

Embodiment 2

[0063] Step 1: Flotation and magnetic separation of 180 grams of monazite ore powder, three-stage crushing, grinding into 5000-8000 mesh (1-3um), and then ultrasonic crushing into 100nm powder for later use;

[0064] Step 2: Use KH-550 silane coupling agent to organically coat the surface of nano-barium sulfate, add 100 grams of absolute ethanol, 80 grams of nano-barium sulfate and 10 grams of silane coupling agent in the reaction kettle, feed N2, in N2 The temperature was raised to 85°C under airflow and the reaction was stirred for 6h. After the reaction, the product was vacuum-filtered while it was hot, dispersed by ultrasonic (ultrasonic medium: absolute ethanol; time: 30 min), centrifugal washing (medium: absolute ethanol; time: 25 min), dried at 105°C for 12 h, and cooled stand-by.

[0065] Step 3: Prepare 150 grams of nano-bastnasite polishing powder (Guangdong Dongna) with a particle size of 200nm to 500nm;

[0066] Step 4: Mix absolute ethanol with deionized water (...

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Abstract

The invention discloses a high-speed friction metal surface nano modified material and a preparation method thereof. The high-speed friction metal surface nano modified material comprises 13-24 partsof nano monazite, 7-15 parts of nano barium sulfate, 13-25 parts of nano bastnaesite, 21-45 parts of nano lanthanum-vanadium allanite, 2-6 parts of a nano dispersing and 2-5 parts of a nano surface modification agent. The high-speed friction metal surface nano modified material has the beneficial effects that the high-speed friction metal surface nano modified material is used as a novel additiveduring production of lubricating oil (grease), the properties of the lubricating oil can be improved immediately, and a metal friction surface can further be repaired remarkably.

Description

technical field [0001] The invention relates to a high-speed friction metal surface nano-modified material, which belongs to the technical field of metal surface modification, in particular to a high-speed friction metal surface nano-modified material and a preparation method thereof. Background technique [0002] The rotating friction device of the equipment, especially the rotating friction device based on steel, will generate strong friction when running at high speed, so lubricating oil (grease) should be used to reduce frictional resistance, but the lubricating system must be replaced regularly. And regularly maintain the parts in the friction state, otherwise, when the device is running, the movement gap between the parts of the friction parts will become larger and larger, which will lead to equipment operation safety problems, reduce operating efficiency, increase energy consumption, increase noise, etc. series of questions. [0003] The traditional solutions to the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M141/08B82Y30/00B82Y40/00C10N30/06C10N50/10C10N40/20
CPCB82Y30/00B82Y40/00C10M141/08C10M2201/062C10M2201/084C10M2201/14C10N2020/06C10N2030/06C10N2040/20C10N2050/10C10N2010/06C10N2010/04
Inventor 倪箐华倪生辉倪小囡
Owner 大连辉华新材料有限公司
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