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Titanium monosulfide particles and composite material thereof, preparation, application and coating material thereof

A composite material, titanium monosulfide technology, applied in metal material coating process, titanium sulfide, coating and other directions, can solve the problems of complex production process, high cost and high friction coefficient of coating materials, achieve great practical value, preparation cost reduction effect

Pending Publication Date: 2022-05-13
CHONGQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In addition, most of the lubricating coating products currently on the market are only suitable for conventional environments. The production process of coating materials is more complicated and the cost is higher

Method used

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  • Titanium monosulfide particles and composite material thereof, preparation, application and coating material thereof
  • Titanium monosulfide particles and composite material thereof, preparation, application and coating material thereof
  • Titanium monosulfide particles and composite material thereof, preparation, application and coating material thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] A preparation method of titanium monosulfide particles, comprising the following steps:

[0058] Step (1), screening titanium powder and sulfur powder with a size lower than 50 microns through a sieve, and mixing the screened fine powder or particles in a physical mixer to obtain a mixed powder;

[0059] Step (2), adding the mixed powder into deionized water, ultrasonically vibrating for 36 hours, putting the ultrasonicated liquid into a reaction kettle, reacting at 100 degrees Celsius for 12 hours, and naturally cooling to room temperature;

[0060] Step (3), after the reaction finishes, collect the reaction product, use a centrifuge to separate at 1000rpm, and take out the black solid precipitate;

[0061] Step (4), reacting the black solid precipitate with 1mol / L hydrofluoric acid to remove oxide and nitride impurities, and hydrofluoric acid also etches the oxide and nitride impurities between the layered structure of the black solid precipitate The layered structur...

Embodiment 2

[0074] A preparation method of titanium monosulfide loaded zirconia composite material:

[0075] Step (1), mixing titanium powder and sulfur powder, and using a screening machine to select fine powder or particles with a size lower than 50 microns to obtain a mixed powder;

[0076] Step (2), adding the mixed powder into deionized water, ultrasonically vibrating for 38 hours, putting the ultrasonicated liquid into a reaction kettle, reacting at 100 degrees Celsius for 16 hours, and naturally cooling to room temperature;

[0077] Step (3), after the reaction finishes, collect the reaction product, use a centrifuge to separate at 1200rpm, and take out the black solid precipitate;

[0078] Step (4), black solid is reacted with 4mol / L hydrofluoric acid to remove impurities such as oxides and nitrides, and the reacted black solid is cleaned and dried to finally obtain black solid which is pure titanium monosulfide ( TiS) material;

[0079] Wherein, the mass ratio of titanium powde...

Embodiment 3

[0086] A preparation method of titanium monosulfide particles, comprising the following steps:

[0087] Step (1), mixing titanium powder and sulfur powder, and selecting fine powder or particles with a size lower than 50 microns by using a screening machine;

[0088] Step (2), adding the mixed powder into deionized water, ultrasonically vibrating for 42 hours, putting the ultrasonicated liquid into a reaction kettle, reacting at 130 degrees Celsius for 16 hours, and naturally cooling to room temperature;

[0089] Step (3), after the reaction finishes, collect the reaction product, use a centrifuge to separate at 1500rpm, and take out the black solid precipitate;

[0090] Step (4), black solid precipitate is reacted with the hydrofluoric acid of 10mol / L, removes oxide and nitride impurity, and hydrofluoric acid also engraves oxide and nitride impurity between black solid precipitate layered structure etched away to highlight the layered structure, and then the black solid afte...

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Abstract

The invention belongs to the technical field of solid lubricating materials, and particularly relates to titanium monosulfide particles, a composite material of the titanium monosulfide particles, preparation and application of the titanium monosulfide particles and a coating material. The titanium monosulfide particles are of a layered structure formed by stacking two-dimensional nanosheets. The invention discloses a novel TiS particle, and experimental results prove that the titanium monosulfide used as a high-temperature-resistant coating has the following unexpected excellent properties: the friction coefficient is in a decreasing trend along with the increase of the temperature (which is obviously different from the trend of the traditional material, the increase of the temperature and the decrease of the friction coefficient); and the lowest friction coefficient of 0.08 is realized at the temperature of 1000 DEG C. The invention further discloses the ZrO2 (at) TiS composite material. Compared with pure titanium monosulfide, the lubricating property of the ZrO2-coated TiS composite material coating is relatively reduced, but the reduction of the preparation cost provides guarantee for the effects of the ZrO2-coated TiS nano composite material in different fields.

Description

technical field [0001] The invention belongs to the technical field of solid lubricating materials, and specifically relates to titanium sulfide particles, its composite material, its preparation, application and coating material. Background technique [0002] Friction is closely related to our life, but unnecessary friction and wear become the resistance to the development of green economy and the construction of ecological civilization. According to statistics, about one-third of the primary energy in the world is consumed by friction and wear every year. At the same time, the wear between friction pairs will cause about 80% of the parts and mechanical equipment to fail, and the vicious accidents of mechanical equipment caused by lubrication or excessive wear can reach as high as more than 50%. In addition, most industrially developed countries in the world account for 5%-7% of the national gross national product due to friction and wear related energy consumption, materi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01G23/00C23C4/04C23C4/134C10M103/06
CPCC01G23/007C23C4/134C23C4/04C10M103/06C01P2002/72C01P2002/85C01P2004/03C01P2004/04C01P2004/80C01P2004/61C01P2004/20C01P2004/50C01P2004/64C01P2004/30
Inventor 张育新易双饶劲松李凯霖杨平安丛大龙刘晓英宋凯强李忠盛白晶莹舒文祥刘国军任世海
Owner CHONGQING UNIV
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