CN109136665A - A kind of aluminum alloy materials for brake drum - Google Patents
A kind of aluminum alloy materials for brake drum Download PDFInfo
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- CN109136665A CN109136665A CN201811080038.9A CN201811080038A CN109136665A CN 109136665 A CN109136665 A CN 109136665A CN 201811080038 A CN201811080038 A CN 201811080038A CN 109136665 A CN109136665 A CN 109136665A
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- brake drum
- aluminium
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- intermediate alloy
- aluminum alloy
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- 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
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- 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
- C22C32/0005—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 at least one oxide and at least one of carbides, nitrides, borides or silicides as the main non-metallic constituents
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- Materials Engineering (AREA)
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- Manufacture Of Alloys Or Alloy Compounds (AREA)
Abstract
A kind of aluminum alloy materials for brake drum, including following raw material: rare-earth ceramic composite granule, nanometer silicon carbide composite granule, aluminium-titanium-horon rare earth intermediate alloy, aluminium nickel intermediate alloy, Mg-Zr intermediate alloy, aluminium chromium hardener, molybdenum, manganese, surplus are Al and inevitable impurity.Aluminum alloy materials for brake drum of the invention, using aluminium as matrix, add heatproof abrasion, the ceramic composite powder of easy processing, several functions intermediate alloy and high duty metal are compounded again, so that the brake drum being prepared has density small, thermal stability is good, wear-resisting erosion resistance and high-temperature behavior are good etc., alleviate the weight of brake drum, and the rare earth composition and intermediate alloy of compounding, the good hybrid alloys of compactness can be formed, the addition of rare earth composition and intermediate alloy etc. simultaneously help to effectively reduce the intercrystalline in alloy away from, neutralize objectionable impurities, purify alloy and refinement crystal grain, make to be evenly distributed inside alloy and tiny, to alloy material dense structure, intensity is good.
Description
Technical field
The invention belongs to brake drum technical fields, and in particular to a kind of aluminum alloy materials for brake drum.
Background technique
Brake is in braking system to generate the component for hindering vehicle movement or movement tendency brake force.Automobile brake
Device is nearly all to generate braking moment using the friction of fixing element and rotating element working surface in addition to various retarding devices
Friction brake.Currently, the friction brake that is widely used of all kinds of automobiles according to the difference of rotating element can be divided into drum-type and
Disc type two major classes.Its difference is: the rotating element in drum type brake friction pair is brake drum, using its internal surface of column as work
Make surface；Rotating element in disk brake friction pair is discoid brake disc, using its both ends of the surface as working surface.Braking
Drum is the fricting couple piece of drum brake, in addition to should have as strength and stiffness required for component, should also be had as high as possible
And stable coefficient of friction and abrasion resistance, heat resistance appropriate, thermal diffusivity and thermal capacity etc..
Summary of the invention
In view of the foregoing, it is an object to provide a kind of aluminum alloy materials for brake drum, are prepared
Brake drum is wear-resisting, light and thermal diffusivity is good, be suitable for car more.
To achieve the goals above, the technical solution adopted by the present invention are as follows: a kind of aluminum alloy materials for brake drum, by
The raw material of following mass percent forms: rare-earth ceramic composite granule 3.8-5.2%, nanometer silicon carbide composite granule 2-3.6%,
Aluminium-titanium-horon rare earth intermediate alloy 0.4-0.7%, aluminium nickel intermediate alloy 0.8-1.2%, Mg-Zr intermediate alloy 0.5-0.9%, aluminium chromium
Intermediate alloy 1.8-2.4%, molybdenum 0.5-0.8%, manganese 0.3-0.48%, surplus are Al and inevitable impurity.
The rare-earth ceramic composite granule is SiC-Al2O3-Y2O3Composite granule, preparation method reference papers document " are forged
Temperature is burnt to SiC-Al2O3-Y2O3The influence of composite granule dispersibility and agglutinating property " (Arms Material scientific and engineering, 2016
(02): 9-12).
The nanometer silicon carbide composite granule is the nanometer silicon carbide composite granule of copper clad, preparation method reference papers
Document " preparations and characterization of Cu Coated Nano SiC Composites " (mechanical engineering material, 2005 (12): 59-61).
The mass fraction of titanium is 5% in the aluminium-titanium-horon rare earth intermediate alloy, and the mass fraction of boron is 1%, the matter of rare earth
Measuring score is 10%.
The mass fraction of nickel is 40% in the aluminium nickel intermediate alloy.
The mass fraction of zirconium is 25% in the Mg-Zr intermediate alloy.
The mass fraction of chromium is 35% in the aluminium chromium hardener.
Beneficial effects of the present invention: the aluminum alloy materials for brake drum of the invention, using aluminium as matrix, addition heatproof mill
The ceramic composite powder of damage, easy processing, then several functions intermediate alloy and high duty metal are compounded, so that the system being prepared
Dynamic drum has density is small, thermal stability is good, wear-resisting erosion resistance and high-temperature behavior are good etc., alleviates the weight of brake drum, and compound
Rare earth composition and intermediate alloy, can form the good hybrid alloys of compactness, at the same rare earth composition and intermediate alloy etc. plus
Enter to help to effectively reduce intercrystalline in alloy away from neutralizing objectionable impurities, purification alloy and refinement crystal grain, make alloy inner part
Cloth is uniform and tiny, so that alloy material dense structure, intensity are good.
Specific embodiment
Technical solution of the present invention is described in detail combined with specific embodiments below, so that technical solution of the present invention
It can be easier to be readily appreciated by one skilled in the art, to make apparent define to protection scope of the present invention.
Embodiment 1
A kind of aluminum alloy materials for brake drum, are made of the raw material of following mass percent:
SiC-Al2O3-Y2O3Nanometer silicon carbide composite granule 2.8%, the aluminium-titanium-horon rare earth of composite granule 4.3%, copper clad
Intermediate alloy 0.53%, aluminium nickel intermediate alloy 1%, Mg-Zr intermediate alloy 0.7%, aluminium chromium hardener 2.1%, molybdenum 0.64%,
Manganese 0.38%, surplus are Al and inevitable impurity.
Embodiment 2
A kind of aluminum alloy materials for brake drum, are made of the raw material of following mass percent:
SiC-Al2O3-Y2O3Composite granule 4.5%, the nanometer silicon carbide composite granule 3% of copper clad, in aluminium-titanium-horon rare earth
Between alloy 0.6%, aluminium nickel intermediate alloy 1%, Mg-Zr intermediate alloy 0.7%, aluminium chromium hardener 2.2%, molybdenum 0.7%, manganese
0.42%, surplus is Al and inevitable impurity.
Embodiment 3
A kind of aluminum alloy materials for brake drum, are made of the raw material of following mass percent:
SiC-Al2O3-Y2O3Nanometer silicon carbide composite granule 3.3%, the aluminium-titanium-horon rare earth of composite granule 4.8%, copper clad
Intermediate alloy 0.63%, aluminium nickel intermediate alloy 1.1%, Mg-Zr intermediate alloy 0.8%, aluminium chromium hardener 2.2%, molybdenum
0.74%, manganese 0.45%, surplus are Al and inevitable impurity.
Show that brake drum intensity produced by the present invention reaches 280-300Mpa through actual test, tolerable temperature reaches 580-
620 DEG C, hardness reaches 180-200HB, and nearly 8.2 ten thousand kilometers of entrucking service life, fatigue test number is up to 4800 times, produces
Product integral strength is high, high-temperature behavior is good, wear-resisting erosion resistance.
Claims (7)
1. a kind of aluminum alloy materials for brake drum, which is characterized in that be made of the raw material of following mass percent: rare earth pottery
Porcelain composite granule 3.8-5.2%, nanometer silicon carbide composite granule 2-3.6%, aluminium-titanium-horon rare earth intermediate alloy 0.4-0.7%, aluminium
Nickel intermediate alloy 0.8-1.2%, Mg-Zr intermediate alloy 0.5-0.9%, aluminium chromium hardener 1.8-2.4%, molybdenum 0.5-0.8%,
Manganese 0.3-0.48%, surplus are Al and inevitable impurity.
2. a kind of aluminum alloy materials for brake drum according to claim 1, which is characterized in that the rare-earth ceramic is multiple
Conjunction powder is SiC-Al2O3-Y2O3Composite granule.
3. a kind of aluminum alloy materials for brake drum according to claim 1, which is characterized in that the nanometer silicon carbide
Composite granule is the nanometer silicon carbide composite granule of copper clad.
4. a kind of aluminum alloy materials for brake drum according to claim 1, which is characterized in that the aluminium-titanium-horon rare earth
The mass fraction of titanium is 5% in intermediate alloy, and the mass fraction of boron is 1%, and the mass fraction of rare earth is 10%.
5. a kind of aluminum alloy materials for brake drum according to claim 1, which is characterized in that closed among the aluminium nickel
The mass fraction of nickel is 40% in gold.
6. a kind of aluminum alloy materials for brake drum according to claim 1, which is characterized in that closed among the magnesium zirconium
The mass fraction of zirconium is 25% in gold.
7. a kind of aluminum alloy materials for brake drum according to claim 1, which is characterized in that closed among the aluminium chromium
The mass fraction of chromium is 35% in gold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811080038.9A CN109136665A (en) | 2018-09-17 | 2018-09-17 | A kind of aluminum alloy materials for brake drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811080038.9A CN109136665A (en) | 2018-09-17 | 2018-09-17 | A kind of aluminum alloy materials for brake drum |
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| Publication Number | Publication Date |
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| CN109136665A true CN109136665A (en) | 2019-01-04 |
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| CN201811080038.9A Withdrawn CN109136665A (en) | 2018-09-17 | 2018-09-17 | A kind of aluminum alloy materials for brake drum |
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Citations (8)
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| CN103074507A (en) * | 2013-01-10 | 2013-05-01 | 山东正诺机械科技有限公司 | Carborundum-added particle-reinforced silicon aluminum alloy matrix composite for brake disc and preparation method thereof |
| CN104233015A (en) * | 2014-08-28 | 2014-12-24 | 机械科学研究总院（将乐）半固态技术研究所有限公司 | High-strength/toughness aluminum alloy brake drum and preparation method thereof |
| CN104789820A (en) * | 2015-03-23 | 2015-07-22 | 苏州市神龙门窗有限公司 | Abrasion-proof aluminum alloy material containing earth elements and treatment process of abrasion-proof aluminum alloy material |
| CN105779914A (en) * | 2016-03-01 | 2016-07-20 | 苏州莱特复合材料有限公司 | Aluminum matrix composite for automobile brake calipers and preparation method of such composite |
| CN106521252A (en) * | 2016-12-07 | 2017-03-22 | 中南大学 | Silicon carbide particle reinforcement aluminum-based composite for train brake disc and preparation method |
| CN106756196A (en) * | 2017-01-26 | 2017-05-31 | 苏州思创源博电子科技有限公司 | A kind of preparation method of carborundum aluminium base brake disk material |
| CN106929750A (en) * | 2017-05-13 | 2017-07-07 | 山东宏马工程机械有限公司 | Compacted iron brake drum and preparation method thereof |
| CN107447136A (en) * | 2017-08-01 | 2017-12-08 | 天津百恩威新材料科技有限公司 | A kind of automobile brake disc or brake rim aluminium alloy and its spray deposition processing |
-
2018
- 2018-09-17 CN CN201811080038.9A patent/CN109136665A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103074507A (en) * | 2013-01-10 | 2013-05-01 | 山东正诺机械科技有限公司 | Carborundum-added particle-reinforced silicon aluminum alloy matrix composite for brake disc and preparation method thereof |
| CN104233015A (en) * | 2014-08-28 | 2014-12-24 | 机械科学研究总院（将乐）半固态技术研究所有限公司 | High-strength/toughness aluminum alloy brake drum and preparation method thereof |
| CN104789820A (en) * | 2015-03-23 | 2015-07-22 | 苏州市神龙门窗有限公司 | Abrasion-proof aluminum alloy material containing earth elements and treatment process of abrasion-proof aluminum alloy material |
| CN105779914A (en) * | 2016-03-01 | 2016-07-20 | 苏州莱特复合材料有限公司 | Aluminum matrix composite for automobile brake calipers and preparation method of such composite |
| CN106521252A (en) * | 2016-12-07 | 2017-03-22 | 中南大学 | Silicon carbide particle reinforcement aluminum-based composite for train brake disc and preparation method |
| CN106756196A (en) * | 2017-01-26 | 2017-05-31 | 苏州思创源博电子科技有限公司 | A kind of preparation method of carborundum aluminium base brake disk material |
| CN106929750A (en) * | 2017-05-13 | 2017-07-07 | 山东宏马工程机械有限公司 | Compacted iron brake drum and preparation method thereof |
| CN107447136A (en) * | 2017-08-01 | 2017-12-08 | 天津百恩威新材料科技有限公司 | A kind of automobile brake disc or brake rim aluminium alloy and its spray deposition processing |
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| 张宁: "煅烧温度对SiC-Al2O3-Y2O3复合粉体分散性与烧结性的影响", 《兵器材料科学与工程》 * |
| 李超: "铜包覆纳米碳化硅复合粉体的制备及表征", 《机械工程材料》 * |
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Application publication date: 20190104 |