CN105755335B - A kind of low-expansion acieral of high-strength, high-anti-friction - Google Patents
A kind of low-expansion acieral of high-strength, high-anti-friction Download PDFInfo
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- CN105755335B CN105755335B CN201610259189.5A CN201610259189A CN105755335B CN 105755335 B CN105755335 B CN 105755335B CN 201610259189 A CN201610259189 A CN 201610259189A CN 105755335 B CN105755335 B CN 105755335B
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- expansion
- acieral
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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
- C22C21/10—Alloys based on aluminium with zinc as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/06—Alloys containing less than 50% by weight of each constituent containing zinc
Abstract
The present invention is a kind of low-expansion acieral of high-strength, high-anti-friction.Alloy is acieral, contains aluminium, zinc, copper, magnesium, bismuth, titanium, boron, strontium, rare earth and other inevitable impurity elements.The present invention has good cutting ability, excellent mechanical performance and low-expansion coefficient, and production cost is low, at home and abroad all competitive superiorities, and enterprise's production capacity is greatly lowered in alternative brass of the invention, tin bronze, zinc-containing alloy.
Description
Technical field
The present invention relates to a kind of acieral, and in particular to a kind of low-expansion acieral of high-strength, high-anti-friction.
Technical background
Because having the characteristics of wearability is good, copper alloy is widely studied always, but because its room temperature strength is relatively low, expansion
Coefficient is bigger than normal, and application is very limited.
Because low with relative density, coefficient of friction is low, damping and it is nonmagnetic can good and no-spark Cutting free the advantages of,
Allumen is increasingly becoming the excellent substitute material of copper alloy.Allumen low cost, smelting technology are simple and with excellent
Mechanical property and casting character, therefore be at home and abroad widely used rapidly.
Parts by the use of the allumen preparation as prior art do not reach the mechanical property of requirement, and main cause is
Alloy strength and anti-wear performance can not meet requirement, and the allumen coefficient of expansion is bigger than normal.Such as：Forcing press nut, often
The problem of internal tooth is broken occurs；And for reductor worm gear, knitter cylinder, its external tooth also has similar phenomenon.In height
Under warm high pressure operating mode, because the allumen coefficient of expansion is excessive, it may appear that seize phenomenon.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of height with excellent machinability and mechanical performance
The low-expansion acieral of intensity high abrasion.
Technical scheme is as follows.
A kind of low-expansion acieral of high-strength, high-anti-friction, it is characterised in that its weight alloy percentage is constituted
For：AL40~50%, Cu2~4%, Mg0.02~0.06%, Bi3~5%, Ti0.1~0.5%, B0.03~0.1%, Sr0.5~1%,
Si3~5%, Zn38~45%, Ce 0.05~0.5%, other impurities summation≤0.2%.
Its weight alloy percentage is constituted：AL46.8%、Cu3.55%、Mg0.03%、Bi4.52%、
Ti0.35%, B0.05%, Sr0.85%, Si3.6%, Zn38~45%, Ce 0.35%, surplus are Zn and impurity.
Its weight alloy percentage is constituted：AL46.76%、Cu3.57%、Mg0.028%、Bi4.35%、
Ti0.38%, B0.06%, Sr0.88%, Si3.56%, Ce 0.38%, surplus is Zn and impurity.
Its weight alloy percentage is constituted：AL46.85%、Cu3.48%、Mg0.035%、Bi4.46%、
Ti0.36%, B0.055%, Sr0.86%, Si3.7%, Zn38~45%, Ce 0.38%, surplus are Zn and impurity.
Alloy of the present invention is prepared from accordance with the following methods：Heating aluminium ingot, zinc ingot metal, copper, bismuth and silicon, wait conjunction in resistance furnace
Degasification after gold fusing, is pressed into MAG block, titanium boron goes bad after strontium is rotten, then RE Modified, cast article after secondary degasification slag hitting.
The positive effect of the present invention is：
The present invention adds Sr, Ti, B and Ce in the alloy, with composite refining metal grain, can improve the resultant force of alloy
Performance is learned, wherein Ce and Si can improve alloy wear-resisting performance with nodularization crystal grain.Because Bi belongs in the cold metal that rises of pyrocondensation, alloy
Addition Bi can reduce the coefficient of expansion.
Cu contributes to the overall processability of alloy, improves plasticity during alloy hot-working, enhancing reinforcing effect, reduction
The anisotropy of alloy.Mg contributes to the formation of fine dispersoid phase and the generation of recrystallization.Zn addition can improve the resistance to of material
Grind performance and self-lubricating effect.
The acieral of the present invention has a good free-cutting machinability, excellent mechanical performance and excellent wearability and low
Coefficient of expansion index, alternative existing copper alloy and zinc-containing alloy, be widely used in manufacture worm gear, axle sleeve, bearing shell, nut,
The products such as sliding block）.
There is excellent mechanical performance and excellent wearability and low bulk system using the product of alloy production of the present invention
Number；Production cost is low, suitable with existing allumen, and at home and abroad market all has competitive advantage, alternative brass, tin bronze
And zinc-containing alloy.
Embodiment
The present invention is further illustrated with reference to embodiment.
Three embodiments of the present invention are cast respectively by the specific alloying component of table 1, and technological process is as follows：Aluminium ingot zinc
Ingot copper bismuth silicon melts, degasification, is pressed into MAG block, and strontium goes bad, and titanium boron goes bad, RE Modified, degasification, slag hitting, casting.
Idiographic flow is：Heating aluminium ingot, zinc ingot metal, copper, bismuth and silicon, wait degasification after alloy melting in resistance furnace, are pressed into magnesium
Block, titanium boron goes bad after strontium is rotten, then RE Modified, cast article after secondary degasification slag hitting.
The sample chemical composition of table 1（Quality %）
| Alloy | Al | Cu | Mg | Bi | Si | Sr | Ti | B | Ce | Zn and impurity |
| Sample 1 | 46.8 | 3.55 | 0.03 | 4.52 | 3.6 | 0.85 | 0.35 | 0.05 | 0.35 | Surplus |
| Sample 2 | 46.76 | 3.57 | 0.028 | 4.35 | 3.56 | 0.88 | 0.38 | 0.06 | 0.38 | Surplus |
| Sample 3 | 46.85 | 3.48 | 0.035 | 4.46 | 3.7 | 0.86 | 0.36 | 0.055 | 0.38 | Surplus |
Table 2 is the mechanical property parameters of three samples of the embodiment of the present invention.
The sample mechanical property of table 2
Explanation：Abrasion test, the test of MR-H5 type high-speed loops block abrasion tester, three samples are carried out to sample of the present invention
Coefficient of friction is shown in Table 1.
The anti-wear performance of sample of the present invention is apparently higher than brass, tin bronze and zinc-containing alloy.It is the hardness of sample of the present invention, anti-
Tensile strength, compression strength and yield strength are contrasted apparently higher than brass, tin bronze and zinc-containing alloy.
Table 3 is tin bronze 10-1, zinc-containing alloy（ZA27）And the coefficient of expansion contrast of three samples of the embodiment of the present invention
Data.
The coefficient of expansion correction data of table 3
| Alloy | 100 DEG C of coefficient of expansion 10^ (- 6)/DEG C | 150 DEG C of coefficient of expansion 10^ (- 6)/DEG C |
| Tin bronze 10-1 | 16.2 | 19.8 |
| Zinc-containing alloy（ZA27） | 22 | 26 |
| Acieral sample 1 | 14.5 | 17.6 |
| Acieral sample 2 | 14.3 | 17.4 |
| Acieral sample 3 | 14.5 | 17.6 |
As seen from Table 3, contrasted with tin bronze and zinc-containing alloy, the coefficient of expansion of sample of the present invention is significant lower.
Claims (5)
1. a kind of low-expansion acieral of high-strength, high-anti-friction, it is characterised in that its weight alloy percentage, which is constituted, is：
Al40~50%, Cu2~4%, Mg0.02~0.06%, Bi3~5%, Ti0.1~0.5%, B0.03~0.1%, Sr0.5~1%, Si3
~5%, Zn38~45%, Ce 0.05~0.5%, other impurities summation≤0.2%.
2. the low-expansion acieral of high-strength, high-anti-friction according to claim 1, it is characterised in that its alloy weight
Amount percentage, which is constituted, is：Al46.8%, Cu3.55%, Mg0.03%, Bi4.52%, Ti0.35%, B0.05%, Sr0.85%, Si3.6%,
Zn38~45%, Ce 0.35%, surplus is Zn and impurity.
3. the low-expansion acieral of high-strength, high-anti-friction according to claim 1, it is characterised in that its alloy weight
Amount percentage, which is constituted, is：Al46.76%, Cu3.57%, Mg0.028%, Bi4.35%, Ti0.38%, B0.06%, Sr0.88%,
Si3.56%, Ce 0.38%, surplus is Zn and impurity.
4. the low-expansion acieral of high-strength, high-anti-friction according to claim 1, it is characterised in that its alloy weight
Amount percentage, which is constituted, is：Al46.85%, Cu3.48%, Mg0.035%, Bi4.46%, Ti0.36%, B0.055%, Sr0.86%,
Si3.7%, Zn38~45%, Ce 0.38%, surplus are Zn and impurity.
5. the low-expansion acieral of high-strength, high-anti-friction according to claim 1 or 2 or 3 or 4, it is characterised in that
It is prepared from accordance with the following methods：Heating aluminium ingot, zinc ingot metal, copper, bismuth and silicon, wait degasification after alloy melting in resistance furnace, are pressed into magnesium
Block, titanium boron goes bad after strontium is rotten, then RE Modified, cast article after secondary degasification slag hitting.
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| CN201610259189.5A CN105755335B (en) | 2016-04-25 | 2016-04-25 | A kind of low-expansion acieral of high-strength, high-anti-friction |
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| CN201610259189.5A CN105755335B (en) | 2016-04-25 | 2016-04-25 | A kind of low-expansion acieral of high-strength, high-anti-friction |
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| CN105755335A CN105755335A (en) | 2016-07-13 |
| CN105755335B true CN105755335B (en) | 2017-07-11 |
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| CN106678342A (en) * | 2017-03-29 | 2017-05-17 | 四川鸿森达铝业科技有限公司 | Novel intelligent long service life high-end decelerator |
| JP7025969B2 (en) * | 2018-03-26 | 2022-02-25 | 日本碍子株式会社 | Porous material, cell structure and method for manufacturing porous material |
| CN108425049A (en) * | 2018-06-03 | 2018-08-21 | 烟台市睿丰新材料科技有限公司 | A kind of high-strength, high-anti-friction acieral and plunger pump cylinder body casting preparation method |
| CN109112370A (en) * | 2018-08-17 | 2019-01-01 | 烟台市睿丰新材料科技有限公司 | A kind of high-strength, high-anti-friction acieral resistant to high temperature |
| CN108842103B (en) * | 2018-08-17 | 2020-07-28 | 烟台市睿丰新材料科技有限公司 | Aluminum-based alloy with high wear resistance, high temperature resistance and low expansion coefficient |
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| CN101967584B (en) * | 2010-11-24 | 2012-10-10 | 沈阳工业大学 | Preparation method of cast abrasion-resistant corrosion-resistant zinc aluminum alloy |
| KR101526658B1 (en) * | 2013-05-07 | 2015-06-05 | 현대자동차주식회사 | Wear-resistant alloys having a complex microstructure |
| CN104232999B (en) * | 2014-08-26 | 2016-05-04 | 华南理工大学 | A kind of abrasion-proof zinc alloy and forming method thereof |
| CN104762539A (en) * | 2015-04-13 | 2015-07-08 | 程鹏 | High-strength and high-abrasion weldable aluminum base alloy |
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Effective date of registration: 20170526 Address after: 265100 No. 84, Hai Yuan Road, Haiyang, Shandong, Yantai Applicant after: Haiyang Pengcheng Die Casting Factory Address before: Zhifu District of Shandong city of Yantai Province Yu 264000 West Road, room 211 No. 17-6 Applicant before: Cheng Peng |
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Effective date of registration: 20180925 Address after: 264003 No. 4, No. 17, No. eight road, Yantai high tech Zone, Shandong Patentee after: Yantai Rui Feng new Mstar Technology Ltd Address before: No. 84, Haiyang City, Haiyang City, Yantai, Shandong Patentee before: Haiyang Pengcheng Die Casting Factory |