CN108165837A - A kind of piston material and preparation method thereof - Google Patents
A kind of piston material and preparation method thereof Download PDFInfo
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- CN108165837A CN108165837A CN201810066510.7A CN201810066510A CN108165837A CN 108165837 A CN108165837 A CN 108165837A CN 201810066510 A CN201810066510 A CN 201810066510A CN 108165837 A CN108165837 A CN 108165837A
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- powder
- raw material
- piston
- piston material
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- 239000000463 material Substances 0.000 title claims abstract description 67
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 42
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000000843 powder Substances 0.000 claims abstract description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000004411 aluminium Substances 0.000 claims abstract description 18
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 18
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 17
- 235000013312 flour Nutrition 0.000 claims abstract description 17
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 17
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000000498 ball milling Methods 0.000 claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 238000003723 Smelting Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 230000002929 anti-fatigue Effects 0.000 abstract description 9
- 230000003628 erosive effect Effects 0.000 abstract description 3
- 238000005275 alloying Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 8
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 230000005496 eutectics Effects 0.000 description 7
- 239000002210 silicon-based material Substances 0.000 description 6
- 239000003610 charcoal Substances 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000010949 copper Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- VNWKTOKETHGBQD-AKLPVKDBSA-N carbane Chemical group [15CH4] VNWKTOKETHGBQD-AKLPVKDBSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- GPWDPLKISXZVIE-UHFFFAOYSA-N cyclo[18]carbon Chemical group C1#CC#CC#CC#CC#CC#CC#CC#CC#C1 GPWDPLKISXZVIE-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000003434 inspiratory effect Effects 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0047—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents
- C22C32/0052—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents only carbides
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
Abstract
The invention discloses a kind of piston materials, include the raw material of following parts by weight：100 150 parts of aluminium powder, 15 25 parts of silica flour, 15 25 parts of powdered carbon, 35 parts of magnesium powder, 20 40 parts of titanium carbide, 13 parts of copper powder, 35 parts of nanometer hafnium powder.The invention also discloses a kind of preparation methods of piston material, include the following steps：The piston material raw material of above-mentioned parts by weight is weighed respectively；Each piston material raw material is distinguished into ball milling, sieve is crossed after ball milling, mixing obtains mixed raw material；Mixed raw material is poured into mold, and mold is placed in vacuum environment and carries out high melt, piston material is obtained after cooling.The advantage of the invention is that：Adjustment proportioning is added by the alloying element being affected to high-temperature behavior by a certain percentage, so as to improve the elevated temperature strength of material and high high-temp stability, finally obtains a kind of elevated temperature tensile, erosion, antifatigue, wear-resistant piston material.
Description
Technical field
The present invention relates to new material technology fields more particularly to a kind of piston material and preparation method thereof.
Background technology
For the efficiency for reducing energy consumption, reducing atmosphere pollution, improving internal combustion engine, improving ignition temperature has become internal combustion engine
Important development trend proposes higher requirement to the elevated temperature strength of internal combustion engine part and high temperature abrasion resistance accordingly.
At present, the aluminium ingot of one of manufacturer's main raw material(s) of domestic production piston be mostly eutectic aluminum-silicon ZL108 or
ZL109, the mechanical performance and casting fluidity of this material can meet general demand, but its elevated temperature strength is low：300 DEG C of high temperature
When, tensile strength only has 69-85MPa, and volume stability is up to 0.028%；The material is in face of increasingly requiring high load capacity height to fire
Just start to show for the engine of low stain unable to do what one wishes.
Therefore, the high-temperature behavior for improvement alloy is badly in need of being improved the ingredient and preparation process of piston material at present.
Invention content
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of elevated temperature tensile, erosion, it is antifatigue,
Wear-resistant piston material and preparation method thereof.
The present invention is achieved by the following technical solutions：A kind of piston material includes the raw material of following parts by weight：Aluminium
100-150 parts of powder, 15-25 parts of silica flour, 15-25 parts of powdered carbon, 3-5 parts of magnesium powder, 20-40 parts of titanium carbide, 1-3 parts of copper powder, nanometer hafnium
3-5 parts of powder.
One of preferred embodiment as the present invention includes the raw material of following parts by weight：125 parts of aluminium powder, 20 parts of silica flour, charcoal
20 parts of powder, 4 parts of magnesium powder, 35 parts of titanium carbide, 2 parts of copper powder, 4 parts of nanometer hafnium powder.
One of preferred embodiment as the present invention includes the raw material of following parts by weight：110 parts of aluminium powder, 18 parts of silica flour, charcoal
18 parts of powder, 3.2 parts of magnesium powder, 30 parts of titanium carbide, 1.5 parts of copper powder, 3.2 parts of nanometer hafnium powder.
One of preferred embodiment as the present invention includes the raw material of following parts by weight：130 parts of aluminium powder, 22 parts of silica flour, charcoal
22 parts of powder, 4.2 parts of magnesium powder, 40 parts of titanium carbide, 2.2 parts of copper powder, 4.2 parts of nanometer hafnium powder.
One of preferred embodiment as the present invention includes the raw material of following parts by weight：145 parts of aluminium powder, 24 parts of silica flour, charcoal
24 parts of powder, 4.5 parts of magnesium powder, 45 parts of titanium carbide, 2.5 parts of copper powder, 4.5 parts of nanometer hafnium powder.
A kind of method for preparing above-mentioned piston material, includes the following steps：
(1) the piston material raw material of above-mentioned parts by weight is weighed respectively；
(2) each piston material raw material weighed is distinguished into ball milling, crosses sieve after ball milling, then mixed, original must be mixed
Material；
(3) mixed raw material is poured into mold, and mold is placed in vacuum environment and carries out high melt, obtained after cooling living
Fill in material.
One of preferred embodiment as the present invention, sieve is 110-140 mesh screens in the step (2).
One of preferred embodiment as the present invention, smelting temperature is 1100-1200 DEG C in the step (3), smelting time
For 2-3h.
One of preferred embodiment as the present invention, cooldown rate is 20-24 DEG C/min in the step (3).
One of preferred embodiment as the present invention, the cooldown rate tool is 22 DEG C/min.
The effect of each raw material of the invention：
Si has highest normal temperature strength and elevated temperature strength in proper range；Mg improves tensile strength, Ti refinement metallographic groups
It knits, improves the high-temperature behavior of alloy, react at high temperature with many elements and compound, enable aluminum alloy to inspiratory enhancing；
Cu improves room temperature, Testing Tensile Strength at Elevated Temperature and hardness, but when copper is high, declines volume stability, should control in OK range；Hf
The Testing Tensile Strength at Elevated Temperature of alloy is improved, enhances volume stability.
The present invention compared with prior art the advantages of be：By comparing by certain the alloying element that high-temperature behavior is affected
Example be added adjustment proportioning, so as to improve the elevated temperature strength of material and high high-temp stability, finally obtain a kind of elevated temperature tensile,
Erosion, antifatigue, wear-resistant piston material；Its tensile strength at 300 DEG C of high temperature is up to 80-98MPa, 350 DEG C of high temperature
Under tensile strength up to 75-90MPa, volume stability is less than 0.018%.
Specific embodiment
It elaborates below to the embodiment of the present invention, the present embodiment is carried out lower based on the technical solution of the present invention
Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementation
Example.
Embodiment 1
A kind of piston material of the present embodiment includes the raw material of following parts by weight：100 parts of aluminium powder, 15 parts of silica flour, powdered carbon
15 parts, 3 parts of magnesium powder, 20 parts of titanium carbide, 1 part of copper powder, 3 parts of nanometer hafnium powder.
Up to 80MPa, the tensile strength at 350 DEG C of high temperature reaches tensile strength of the piston material at 300 DEG C of high temperature
75MPa, volume stability 0.018%；Also, through antifatigue wear test, the anti-friction effect of the piston material is more conventional
Eutectic aluminum-silicon material lift 15%, life of product promote 10%.
Embodiment 2
A kind of piston material of the present embodiment includes the raw material of following parts by weight：150 parts of aluminium powder, 25 parts of silica flour, powdered carbon
25 parts, 5 parts of magnesium powder, 40 parts of titanium carbide, 3 parts of copper powder, 5 parts of nanometer hafnium powder.
Up to 85MPa, the tensile strength at 350 DEG C of high temperature reaches tensile strength of the piston material at 300 DEG C of high temperature
78MPa, volume stability 0.016%；Also, through antifatigue wear test, the anti-friction effect of the piston material is more conventional
Eutectic aluminum-silicon material lift 15%, life of product promote 10%.
Embodiment 3
A kind of piston material of the present embodiment includes the raw material of following parts by weight：125 parts of aluminium powder, 20 parts of silica flour, powdered carbon
20 parts, 4 parts of magnesium powder, 35 parts of titanium carbide, 2 parts of copper powder, 4 parts of nanometer hafnium powder.
Up to 83MPa, the tensile strength at 350 DEG C of high temperature reaches tensile strength of the piston material at 300 DEG C of high temperature
78MPa, volume stability 0.017%；Also, through antifatigue wear test, the anti-friction effect of the piston material is more conventional
Eutectic aluminum-silicon material lift 15%, life of product promote 10%.
Embodiment 4
A kind of piston material of the present embodiment includes the raw material of following parts by weight：110 parts of aluminium powder, 18 parts of silica flour, powdered carbon
18 parts, 3.2 parts of magnesium powder, 30 parts of titanium carbide, 1.5 parts of copper powder, 3.2 parts of nanometer hafnium powder.
Up to 98MPa, the tensile strength at 350 DEG C of high temperature reaches tensile strength of the piston material at 300 DEG C of high temperature
90MPa, volume stability 0.014%；Also, through antifatigue wear test, the anti-friction effect of the piston material is more conventional
Eutectic aluminum-silicon material lift 15%, life of product promote 10%.
Embodiment 5
A kind of piston material of the present embodiment includes the raw material of following parts by weight：130 parts of aluminium powder, 22 parts of silica flour, powdered carbon
22 parts, 4.2 parts of magnesium powder, 40 parts of titanium carbide, 2.2 parts of copper powder, 4.2 parts of nanometer hafnium powder.
Up to 95MPa, the tensile strength at 350 DEG C of high temperature reaches tensile strength of the piston material at 300 DEG C of high temperature
88MPa, volume stability 0.015%；Also, through antifatigue wear test, the anti-friction effect of the piston material is more conventional
Eutectic aluminum-silicon material lift 15%, life of product promote 10%.
Embodiment 6
A kind of piston material of the present embodiment includes the raw material of following parts by weight：145 parts of aluminium powder, 24 parts of silica flour, powdered carbon
24 parts, 4.5 parts of magnesium powder, 45 parts of titanium carbide, 2.5 parts of copper powder, 4.5 parts of nanometer hafnium powder.
Up to 90MPa, the tensile strength at 350 DEG C of high temperature reaches tensile strength of the piston material at 300 DEG C of high temperature
85MPa, volume stability 0.016%；Also, through antifatigue wear test, the anti-friction effect of the piston material is more conventional
Eutectic aluminum-silicon material lift 15%, life of product promote 10%.
Embodiment 7
A kind of preparation method of piston material of the present embodiment, includes the following steps：
(1) the piston material raw material of corresponding parts by weight in above-described embodiment is weighed respectively；
(2) each piston material raw material weighed is distinguished into ball milling, crosses 110 mesh screens after ball milling, then mixed, obtained mixed
Close raw material；
(3) mixed raw material is poured into mold, and mold is placed in 1100 DEG C of high melt 2h of progress in vacuum environment, with
Piston material is obtained after the cooldown rate cooling of 20 DEG C/min.
Embodiment 8
A kind of preparation method of piston material of the present embodiment, includes the following steps：
(1) the piston material raw material of corresponding parts by weight in above-described embodiment is weighed respectively；
(2) each piston material raw material weighed is distinguished into ball milling, crosses 140 mesh screens after ball milling, then mixed, obtained mixed
Close raw material；
(3) mixed raw material is poured into mold, and mold is placed in 1200 DEG C of high melt 3h of progress in vacuum environment, with
Piston material is obtained after the cooldown rate cooling of 24 DEG C/min.
Embodiment 9
A kind of preparation method of piston material of the present embodiment, includes the following steps：
(1) the piston material raw material of corresponding parts by weight in above-described embodiment is weighed respectively；
(2) each piston material raw material weighed is distinguished into ball milling, crosses 125 mesh screens after ball milling, then mixed, obtained mixed
Close raw material；
(3) mixed raw material is poured into mold, and mold is placed in 1150 DEG C of high melt 2.5h of progress in vacuum environment,
To obtain piston material after the cooldown rate cooling of 22 DEG C/min.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of piston material, which is characterized in that include the raw material of following parts by weight：100-150 parts of aluminium powder, silica flour 15-25
Part, 15-25 parts of powdered carbon, 3-5 parts of magnesium powder, 20-40 parts of titanium carbide, 1-3 parts of copper powder, 3-5 parts of nanometer hafnium powder.
2. piston material according to claim 1, which is characterized in that include the raw material of following parts by weight：Aluminium powder 125
Part, 20 parts of silica flour, 20 parts of powdered carbon, 4 parts of magnesium powder, 35 parts of titanium carbide, 2 parts of copper powder, 4 parts of nanometer hafnium powder.
3. piston material according to claim 1, which is characterized in that include the raw material of following parts by weight：Aluminium powder 110
Part, 18 parts of silica flour, 18 parts of powdered carbon, 3.2 parts of magnesium powder, 30 parts of titanium carbide, 1.5 parts of copper powder, 3.2 parts of nanometer hafnium powder.
4. piston material according to claim 1, which is characterized in that include the raw material of following parts by weight：Aluminium powder 130
Part, 22 parts of silica flour, 22 parts of powdered carbon, 4.2 parts of magnesium powder, 40 parts of titanium carbide, 2.2 parts of copper powder, 4.2 parts of nanometer hafnium powder.
5. piston material according to claim 1, which is characterized in that include the raw material of following parts by weight：Aluminium powder 145
Part, 24 parts of silica flour, 24 parts of powdered carbon, 4.5 parts of magnesium powder, 45 parts of titanium carbide, 2.5 parts of copper powder, 4.5 parts of nanometer hafnium powder.
A kind of 6. method for preparing the claims 1-5 any one of them piston materials, which is characterized in that including walking as follows
Suddenly：
(1) the piston material raw material of above-mentioned parts by weight is weighed respectively；
(2) each piston material raw material weighed is distinguished into ball milling, crosses sieve after ball milling, then mixed, obtain mixed raw material；
(3) mixed raw material is poured into mold, and mold is placed in vacuum environment and carries out high melt, piston material is obtained after cooling
Material.
7. the preparation method of piston material according to claim 6, which is characterized in that sieve is in the step (2)
110-140 mesh screens.
8. the preparation method of piston material according to claim 6, which is characterized in that smelting temperature in the step (3)
It is 1100-1200 DEG C, smelting time 2-3h.
9. the preparation method of piston material according to claim 6, which is characterized in that cooldown rate in the step (3)
For 20-24 DEG C/min.
10. the preparation method of piston material according to claim 9, which is characterized in that cooldown rate tool for 22 DEG C/
min。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810066510.7A CN108165837A (en) | 2018-01-24 | 2018-01-24 | A kind of piston material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810066510.7A CN108165837A (en) | 2018-01-24 | 2018-01-24 | A kind of piston material and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN108165837A true CN108165837A (en) | 2018-06-15 |
Family
ID=62515794
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810066510.7A Pending CN108165837A (en) | 2018-01-24 | 2018-01-24 | A kind of piston material and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101775530A (en) * | 2010-03-04 | 2010-07-14 | 安徽省恒泰活塞制造有限公司 | Hypereutectic al-si alloy piston material |
| CN106282638A (en) * | 2016-08-29 | 2017-01-04 | 裴寿益 | A kind of piston material and preparation method thereof |
| CN106337150A (en) * | 2016-08-29 | 2017-01-18 | 桂林新艺制冷设备有限责任公司 | Piston material for gasoline engine |
| CN107254611A (en) * | 2013-03-29 | 2017-10-17 | 古河电器工业株式会社 | Aluminium alloy conductor, aluminium alloy stranded conductor, coated electric wire, the manufacture method of wire harness and aluminium alloy conductor |
-
2018
- 2018-01-24 CN CN201810066510.7A patent/CN108165837A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101775530A (en) * | 2010-03-04 | 2010-07-14 | 安徽省恒泰活塞制造有限公司 | Hypereutectic al-si alloy piston material |
| CN107254611A (en) * | 2013-03-29 | 2017-10-17 | 古河电器工业株式会社 | Aluminium alloy conductor, aluminium alloy stranded conductor, coated electric wire, the manufacture method of wire harness and aluminium alloy conductor |
| CN106282638A (en) * | 2016-08-29 | 2017-01-04 | 裴寿益 | A kind of piston material and preparation method thereof |
| CN106337150A (en) * | 2016-08-29 | 2017-01-18 | 桂林新艺制冷设备有限责任公司 | Piston material for gasoline engine |
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Application publication date: 20180615 |