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Hydroxyl magnesium silicate nanotube wear-resistant material and preparation method thereof

A technology of hydroxymagnesium silicate and nanotubes, which is applied in the direction of magnesium silicate, silicate, nanotechnology, etc., can solve the problems of high energy consumption and cost, and achieve the effect of simple method, uniform scale and uniform dispersion

Inactive Publication Date: 2014-06-25
周璐 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The synthesis method is relatively simple, but due to the long-time ball milling method for preparation, the energy consumption and cost are relatively high

Method used

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  • Hydroxyl magnesium silicate nanotube wear-resistant material and preparation method thereof
  • Hydroxyl magnesium silicate nanotube wear-resistant material and preparation method thereof
  • Hydroxyl magnesium silicate nanotube wear-resistant material and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0020] Embodiment 1: Synthesis and characterization of hydroxymagnesium silicate nanotubes

[0021] 1. Magnesium chloride, sodium silicate and sodium hydroxide are used as raw materials

[0022] 6.09 grams of magnesium chloride (Mg 2 Cl 2 ·6H 2 O), 5.68 grams of sodium silicate (Na 2 SiO 3 9H 2 O) Add to 80 ml of 0.1mol / L sodium hydroxide solution, stir evenly at room temperature, add to a 100mL reaction kettle, put into an oven and react at 150°C for 48 hours. After the reaction is completed, the reaction solution is centrifuged to obtain a solid, which is washed with 10 ml of water and ethanol in sequence, and dried to obtain magnesium hydroxysilicate nanotubes.

[0023] 2. Magnesium nitrate, diatomaceous earth and potassium hydroxide are used as raw materials

[0024] 4.44 grams of magnesium nitrate (Mg(NO 3 ) 2 ), 1.2 grams of diatomaceous earth, were added to 80 ml of saturated potassium hydroxide solution, put into a 100 ml reaction kettle, stirred evenly, and r...

Embodiment 2

[0025] Example 2: Results for Tribological Surface Treatment

[0026] Test equipment: FALEX friction and wear testing machine

[0027] Test conditions:

[0028] Lubrication form: oil-immersed lubrication Test temperature: room temperature; 22°C

[0029] Contact type: Surface contact Test load: 15lbs

[0030] Test speed: 800rpm Sample material: 45# steel

[0031] Test time: 850 minutes / each time

[0032] Magnesium hydroxysilicate nanotubes are added to the base oil at a ratio of 0.01-1%, and friction experiments are carried out on a FALEX friction and wear testing machine. In a preferred example of the present invention, when the addition ratio of hydroxymagnesium silicate nanotubes in the lubricating oil is 0.1%, compared with the lubricating oil without adding hydroxymagnesium silicate nanotubes ( figure 2 A), able to significantly reduce the coefficient of friction ( figure 2 B), reduced to 40%-50% of the original. Compared with lubricating oil without adding hydr...

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Abstract

The invention discloses a preparation method of a hydroxyl magnesium silicate nanotube. The hydroxyl magnesium silicate powder with a nanotube form can be prepared by the technical scheme provided by the invention. The hydroxyl magnesium silicate with a nanotube structure is added to a lubricating agent, so that the friction wear property in mechanical movement can be greatly improved by a rolling friction form, the surface hardness, the fineness and the wear-resisting property of the metal are improved, and the service life of mechanical equipment is prolonged.

Description

technical field [0001] The invention relates to a preparation method of hydroxymagnesium silicate nanotube and its application in the preparation of lubricant. Background technique [0002] During the operation of mechanical equipment, friction phenomena widely exist, and the wear caused by friction is the main reason for the failure of mechanical equipment. About 80% of the parts are damaged due to various forms of wear. Lubricating oil can reduce friction and reduce wear, but some lubricating oils are difficult to meet the needs of lubricating mechanical equipment under harsh conditions, and do not have the self-repairing function of metal wear surfaces during operation. Additives have become an important means to improve the performance of oil products, mainly divided into organic additives and inorganic additives. The main inorganic additives are graphite, molybdenum disulfide, nano copper and so on. Since the patent ZL00801330.6 reported a composition for friction pai...

Claims

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Application Information

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IPC IPC(8): C01B33/22C10M125/26B82Y30/00B82Y40/00C10N30/06
Inventor 周璐余宇翔
Owner 周璐
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