CN105441854A - Thermal oxidization resistant engine cylinder inner wall abrasion resistant coating and preparation method thereof - Google Patents
Thermal oxidization resistant engine cylinder inner wall abrasion resistant coating and preparation method thereof Download PDFInfo
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- CN105441854A CN105441854A CN201510949096.0A CN201510949096A CN105441854A CN 105441854 A CN105441854 A CN 105441854A CN 201510949096 A CN201510949096 A CN 201510949096A CN 105441854 A CN105441854 A CN 105441854A
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- powder
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- engine cylinder
- resistant coating
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- 239000011248 coating agent Substances 0.000 title claims abstract description 33
- 238000000576 coating method Methods 0.000 title claims abstract description 33
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 11
- 238000002360 preparation method Methods 0.000 title claims description 7
- 238000005299 abrasion Methods 0.000 title abstract 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000000843 powder Substances 0.000 claims abstract description 28
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 claims abstract description 21
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 14
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 9
- TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 claims abstract description 9
- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical compound [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 7
- 230000003647 oxidation Effects 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000007750 plasma spraying Methods 0.000 claims description 4
- 239000012159 carrier gas Substances 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052750 molybdenum Inorganic materials 0.000 abstract description 2
- 239000011733 molybdenum Substances 0.000 abstract description 2
- 239000002245 particle Substances 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 2
- QXYJCZRRLLQGCR-UHFFFAOYSA-N dioxomolybdenum Chemical compound O=[Mo]=O QXYJCZRRLLQGCR-UHFFFAOYSA-N 0.000 abstract 2
- 235000015393 sodium molybdate Nutrition 0.000 abstract 2
- 239000011684 sodium molybdate Substances 0.000 abstract 2
- 229910000619 316 stainless steel Inorganic materials 0.000 abstract 1
- 238000005461 lubrication Methods 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- 229910000838 Al alloy Inorganic materials 0.000 description 6
- 229910001018 Cast iron Inorganic materials 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 239000003831 antifriction material Substances 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- UQJSLVWCKFZHFO-UHFFFAOYSA-N molybdenum(4+) oxygen(2-) titanium(4+) Chemical compound [O-2].[O-2].[Ti+4].[Mo+4] UQJSLVWCKFZHFO-UHFFFAOYSA-N 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
-
- B22F1/0003—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/16—Metallic particles coated with a non-metal
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
The invention discloses a thermal oxidization resistant engine cylinder inner wall abrasion resistant coating which is prepared from the following raw materials in parts by weight: 68-69 parts of 316 stainless steel powder, 6-6.5 parts of Mo powder, 25-26 parts of Ni60 powder, 5.8-6 parts of WC, 5.6-5.8 parts of B4C, 0.3-0.4 part of nano graphene, 2.5-2.8 parts of tetrabutyl titanate, 8.5-10 parts of sodium molybdate, 4.5-4.8 parts of acetic anhydride, 75-80 parts of dimethylformamide, a proper amount of concentrated hydrochloric acid and 10-12 parts of tetrabutylammonium bromide. According to the thermal oxidization resistant engine cylinder inner wall abrasion resistant coating, through utilizing sodium molybdate, nano molybdenum particles are formed on the surface of the metal powder, and nano molybdenum dioxide is adhered to the surface, so that the lubrication performance of the coating is improved, and the bonding strength of the coating is improved; and through utilizing WC, B4C, nano graphene and tetrabutyl titanate, the thermal oxidization resistance of the coating is improved, the friction coefficient is reduced, the bonding strength of the coating and a substrate is high, and the fracture and falling-off phenomena are reduced.
Description
Technical field
The present invention relates to automobile cylinder inside coating technical field, particularly relate to a kind of thermal oxidation resistance engine cylinder inwall wear-resistant coating and preparation method thereof.
Background technology
Energy-saving and emission-reduction have become the ultimate aim of Global Auto enterprise.According to data, in Air Pollutants Emissions CO 66%, NOx 43%, HC 31%, CO
233%, 20% discharge all coming from automobile of particulate.Automotive light weight technology is very important for save energy, minimizing exhaust gas emission.Adopt aluminium alloy engine replace gradually traditional cast iron engine be energy-saving and emission-reduction main by way of one of.But because the strength and stiffness of aluminium alloy are all lower than the performance of cast iron, conventional method inlays cast iron liners to improve its wear resistance at aluminum alloy cylinder inwall.Cast iron liners not only casting technique is complicated, and production cost is higher, and embedded cast iron liners adds weight and the size of aluminium alloy engine, is unfavorable for energy-saving and emission-reduction.At present, prepare wear-resistant coating to replace cast iron liners in aluminum alloy cylinder inner wall surface, become the main method of motor car engine lightweight development.For the combustion chamber that engine cylinder and piston form, cylinder sleeve and piston not only work at high temperature under high pressure, also will bear the sulfide (SO that fuel combustion generates
2, SO
3) and burning time the water vapor that generates and the air of suction form the heavy corrosion that sulfuric acid and sulfurous acid brings, and stainless steel has become a kind of at the preferred coating making material of aluminum alloy cylinder inner wall surface with the solidity to corrosion of its excellence, higher mechanical property and thermostability, but its wear resistance can't meet application requiring." research of engine cylinder inwall novel wear resistant coating " one literary composition by add in Stainless Steel Powder proper ratio from molten powder Ni60 and antifriction material Mo, development of new composite powder, adopt plasma spraying technology to prepare wear resistant friction reducing coating, and the performance corresponding to stainless steel coating to the hardness of coating, bonding strength and wear resistance is analyzed.By compound coating prepared by the Mo+Ni60 adding 32%, bonding strength brings up to 43.63MPa by 33.85MPa; Microhardness brings up to 464.15Hv0.1 by 337.3Hv0.1.316+Mo+Ni60 coating wear resistant friction reducing performance is obviously better than stainless steel coating, with GCr15 material secondary slip is joined to bull ring time, frictional coefficient is reduced to 0.01-0.02 by 0.04-0.05.
But along with the progress of science and technology, the requirement of people to environmental protection, the needs to automotive performance are more and more higher, the rotproofness of this coating, wear resistance, oilness, cracking resistance, hardness, thermal-shock resistance, resistance to thermooxidation, thermotolerance, still can not meet the demands, require further improvement.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, provides a kind of thermal oxidation resistance engine cylinder inwall wear-resistant coating and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of thermal oxidation resistance engine cylinder inwall wear-resistant coating, is made up of the raw material of following weight part: 316 powder of stainless steel 68-69, Mo powder 6-6.5, Ni60 powder 25-26, WC5.8-6, B
4c5.6-5.8, nano-graphene 0.3-0.4, tetrabutyl titanate 2.5-2.8, Sodium orthomolybdate 8.5-10, acetic anhydride 4.5-4.8, dimethyl formamide 75-80, concentrated hydrochloric acid are appropriate, Tetrabutyl amonium bromide 10-12.
The preparation method of described heat shock resistance engine cylinder inwall wear-resistant coating, comprises the following steps:
(1) by Sodium orthomolybdate, acetic anhydride, dimethyl formamide mixing, adding concentrated hydrochloric acid adjust ph is 2.5-3, then adds Tetrabutyl amonium bromide while stirring, is heated to 49-50 DEG C, stirring reaction 50-60 minute, then adds WC, B
4c, nano-graphene, tetrabutyl titanate, continue stirring reaction 1-1.4 hour, obtain mixture;
(2) mixed with other remaining components by described mixture, grinding evenly, is heated to 186-195 DEG C and keeps this temperature to be evaporated completely to dimethyl formamide, then being clayed into power by gained block,
(3) by above-mentioned powder in nitrogen environment, at 500-510 DEG C, react 1.4-1.5 hour, obtain powder;
(4) powder that (3) step obtains being milled to granularity is 15-45 μm, 1-1.2 hour is dried at 80-85 DEG C, then plasma spraying is carried out, processing parameter Ar flow 45L/min, H flow 10/min, powder sending quantity 60L/min. carrier gas flux 2.5L/min, electric current 650A, power 48kW, spray is apart from 160mm.
Advantage of the present invention is: the present invention, by using Sodium orthomolybdate, forms nanometer molybdenum particle at metal powder surface, adheres to nanometer titanium dioxide molybdenum simultaneously, improve the oilness of coating, improve the bonding strength of coating simultaneously, after preventing metal to be worn, occur dimpling, cause frictional coefficient sharply to increase; By using WC, B
4c, nano-graphene, tetrabutyl titanate, improve the thermal oxidation resistance performance of coating, and reduce frictional coefficient, the bonding strength of coating and matrix is high, fracture and obscission few.
Embodiment
A kind of thermal oxidation resistance engine cylinder inwall wear-resistant coating, is made up of the raw material of following weight part (kilogram): 316 powder of stainless steel 68, Mo powder 6, Ni60 powder 25, WC5.8, B
4c5.6, nano-graphene 0.3, tetrabutyl titanate 2.5, Sodium orthomolybdate 8.5, acetic anhydride 4.5, dimethyl formamide 75, concentrated hydrochloric acid are appropriate, Tetrabutyl amonium bromide 10.
The preparation method of described heat shock resistance engine cylinder inwall wear-resistant coating, comprises the following steps:
(1) by Sodium orthomolybdate, acetic anhydride, dimethyl formamide mixing, adding concentrated hydrochloric acid adjust ph is 2.5, then adds Tetrabutyl amonium bromide while stirring, is heated to 49 DEG C, stirring reaction 50 minutes, then adds WC, B
4c, nano-graphene, tetrabutyl titanate, continue stirring reaction 1 hour, obtain mixture;
(2) mixed with other remaining components by described mixture, grinding evenly, is heated to 186 DEG C and keeps this temperature to be evaporated completely to dimethyl formamide, then being clayed into power by gained block,
(3) by above-mentioned powder in nitrogen environment, at 500 DEG C react 1.4 hours, obtain powder;
(4) powder that (3) step obtains being milled to granularity is 15 μm, dries 1 hour, then carry out plasma spraying at 80 DEG C, processing parameter Ar flow 45L/min, H flow 10/min, powder sending quantity 60L/min. carrier gas flux 2.5L/min, electric current 650A, power 48kW, spray is apart from 160mm.
By the equal compact structure of microscopic examination coating, do not have continuous hole and tiny crack, coating structure is good layered distribution, and bonding strength is 61.86MPa, and microhardness is 489.25HV0.1, and frictional coefficient is 0.008.
Claims (2)
1. a thermal oxidation resistance engine cylinder inwall wear-resistant coating, is characterized in that being made up of the raw material of following weight part: 316 powder of stainless steel 68-69, Mo powder 6-6.5, Ni60 powder 25-26, WC5.8-6, B
4c5.6-5.8, nano-graphene 0.3-0.4, tetrabutyl titanate 2.5-2.8, Sodium orthomolybdate 8.5-10, acetic anhydride 4.5-4.8, dimethyl formamide 75-80, concentrated hydrochloric acid are appropriate, Tetrabutyl amonium bromide 10-12.
2. the preparation method of heat shock resistance engine cylinder inwall wear-resistant coating according to claim 1, is characterized in that comprising the following steps:
(1) by Sodium orthomolybdate, acetic anhydride, dimethyl formamide mixing, adding concentrated hydrochloric acid adjust ph is 2.5-3, then adds Tetrabutyl amonium bromide while stirring, is heated to 49-50 DEG C, stirring reaction 50-60 minute, then adds WC, B
4c, nano-graphene, tetrabutyl titanate, continue stirring reaction 1-1.4 hour, obtain mixture;
(2) mixed with other remaining components by described mixture, grinding evenly, is heated to 186-195 DEG C and keeps this temperature to be evaporated completely to dimethyl formamide, then being clayed into power by gained block,
(3) by above-mentioned powder in nitrogen environment, at 500-510 DEG C, react 1.4-1.5 hour, obtain powder;
(4) powder that (3) step obtains being milled to granularity is 15-45 μm, 1-1.2 hour is dried at 80-85 DEG C, then plasma spraying is carried out, processing parameter Ar flow 45L/min, H flow 10/min, powder sending quantity 60L/min. carrier gas flux 2.5L/min, electric current 650A, power 48kW, spray is apart from 160mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510949096.0A CN105441854A (en) | 2015-12-18 | 2015-12-18 | Thermal oxidization resistant engine cylinder inner wall abrasion resistant coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510949096.0A CN105441854A (en) | 2015-12-18 | 2015-12-18 | Thermal oxidization resistant engine cylinder inner wall abrasion resistant coating and preparation method thereof |
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| CN105441854A true CN105441854A (en) | 2016-03-30 |
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| CN201510949096.0A Withdrawn CN105441854A (en) | 2015-12-18 | 2015-12-18 | Thermal oxidization resistant engine cylinder inner wall abrasion resistant coating and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106388349A (en) * | 2016-11-10 | 2017-02-15 | 无锡市明盛强力风机有限公司 | Self-lubricating sliding rail |
| CN106740289A (en) * | 2016-11-10 | 2017-05-31 | 无锡市明盛强力风机有限公司 | A kind of sliding rail of automobile seat |
| CN109704734A (en) * | 2018-09-30 | 2019-05-03 | 佛山市优特尔纺织实业有限公司 | A kind of internal combustion vehicle energy-saving coatings and preparation method thereof |
| CN111139424A (en) * | 2019-12-31 | 2020-05-12 | 陕西斯瑞新材料股份有限公司 | Stainless steel wet hydrogen preparation method for improving thermal emissivity and application |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998014628A1 (en) * | 1996-10-02 | 1998-04-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Coated wear resisting parts for internal combustion engines, specially piston rings, and method for their production |
| CN102458719A (en) * | 2009-06-03 | 2012-05-16 | 威兰德-沃克公开股份有限公司 | Process for producing a metal matrix composite material |
| CN102815749A (en) * | 2012-08-08 | 2012-12-12 | 西安工程大学 | Preparation method of molybdenum dioxide nanorod |
| CN105088124A (en) * | 2015-08-13 | 2015-11-25 | 马鞍山蓝科再制造技术有限公司 | Thermal barrier coating with high bonding strength and preparation method thereof |
-
2015
- 2015-12-18 CN CN201510949096.0A patent/CN105441854A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998014628A1 (en) * | 1996-10-02 | 1998-04-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Coated wear resisting parts for internal combustion engines, specially piston rings, and method for their production |
| CN102458719A (en) * | 2009-06-03 | 2012-05-16 | 威兰德-沃克公开股份有限公司 | Process for producing a metal matrix composite material |
| CN102815749A (en) * | 2012-08-08 | 2012-12-12 | 西安工程大学 | Preparation method of molybdenum dioxide nanorod |
| CN105088124A (en) * | 2015-08-13 | 2015-11-25 | 马鞍山蓝科再制造技术有限公司 | Thermal barrier coating with high bonding strength and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 肖立新等: "发动机汽缸内壁新型耐磨涂层研究", 《热喷涂技术》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106388349A (en) * | 2016-11-10 | 2017-02-15 | 无锡市明盛强力风机有限公司 | Self-lubricating sliding rail |
| CN106740289A (en) * | 2016-11-10 | 2017-05-31 | 无锡市明盛强力风机有限公司 | A kind of sliding rail of automobile seat |
| CN109704734A (en) * | 2018-09-30 | 2019-05-03 | 佛山市优特尔纺织实业有限公司 | A kind of internal combustion vehicle energy-saving coatings and preparation method thereof |
| CN111139424A (en) * | 2019-12-31 | 2020-05-12 | 陕西斯瑞新材料股份有限公司 | Stainless steel wet hydrogen preparation method for improving thermal emissivity and application |
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Application publication date: 20160330 |