CN110106404A - A kind of high-strength wearproof corrosion-resistant aluminium alloy and preparation method thereof - Google Patents

A kind of high-strength wearproof corrosion-resistant aluminium alloy and preparation method thereof Download PDF

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Publication number
CN110106404A
CN110106404A CN201910500746.1A CN201910500746A CN110106404A CN 110106404 A CN110106404 A CN 110106404A CN 201910500746 A CN201910500746 A CN 201910500746A CN 110106404 A CN110106404 A CN 110106404A
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CN
China
Prior art keywords
aluminium alloy
resistant aluminium
preparation
wearproof corrosion
corrosion
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
CN201910500746.1A
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Chinese (zh)
Inventor
袁乃更
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TIANJIN SHENGJINTE AUTOMOBILE PARTS CO Ltd
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TIANJIN SHENGJINTE AUTOMOBILE PARTS CO Ltd
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Application filed by TIANJIN SHENGJINTE AUTOMOBILE PARTS CO Ltd filed Critical TIANJIN SHENGJINTE AUTOMOBILE PARTS CO Ltd
Priority to CN201910500746.1A priority Critical patent/CN110106404A/en
Publication of CN110106404A publication Critical patent/CN110106404A/en
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    • 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
    • C22C1/02—Making non-ferrous alloys by melting
    • C22C1/026—Alloys based on aluminium
    • 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
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon

Abstract

The present invention is a kind of high-strength wearproof corrosion-resistant aluminium alloy and preparation method thereof, and aluminium alloy is by following weight percent at being grouped as: Si:1.2-3.5%；Mn:1.6-1.8%；Cu:0.1-0.3%；Fe:3.5-4.5%；Cr:0.12-0.4%；Co:1.2-1.4%；Ni:1.3-1.6%；Zn:1.25-1.6%；B:0.1-0.25%；Mo:0.3-0.6%；Ca:1.6-1.8%；Pb:0.2-0.4%；Ti:2.1-2.6%；Surplus is Al and inevitable impurity.Aluminium alloy in the present invention has obtained the aluminium alloy with high-intensitive, wear-resisting and corrosion resistant performance by the content of various elements in control aluminium alloy and by preparation processes such as mixed grinding, drying, melting, quenching, heat preservation, coolings.

Description

A kind of high-strength wearproof corrosion-resistant aluminium alloy and preparation method thereof
Technical field
The present invention relates to technical field of automobile accessories more particularly to a kind of high-strength wearproof corrosion-resistant aluminium alloy and its preparation side Method.
Background technique
Chinese Automobile Industry ' is fast-developing, provides wide development space for auto-parts production and mating enterprise. In the keen competition of world's automobile market, each state is all sent out to high quality, high reliability, light-weight, energy saving, inexpensive direction Exhibition.Lightweight is shown as in terms of material, part steel (iron) part is replaced with aluminium alloy, to reach automobile to high quality, low cost Development requirement；Science is shown as in process aspect, replaces traditional technique with advanced technologies to reach and improve blank essence Degree reduces machining allowance, reduces raw materials consumption, reduces the purpose of cost.Aluminium used in existing automobile engine bracket Alloy is to be improved in terms of intensity, wear resistance, corrosion resistance.
Summary of the invention
The present invention is directed to provide certain guidance for production aluminium alloy, and provide a kind of high-strength wearproof corrosion-resistant aluminium alloy And preparation method thereof.
The present invention to achieve the above object, using following technical scheme: a kind of high-strength wearproof corrosion-resistant aluminium alloy, by with Lower weight percent at being grouped as:
Si:1.2-3.5%；
Mn:1.6-1.8%；
Cu:0.1-0.3%；
Fe:3.5-4.5%；
Cr:0.12-0.4%；
Co:1.2-1.4%；
Ni:1.3-1.6%；
Zn:1.25-1.6%；
B:0.1-0.25%；
Mo:0.3-0.6%；
Ca:1.6-1.8%；
Pb:0.2-0.4%；
Ti:2.1-2.6%；
Surplus is Al and inevitable impurity.
Particularly, by following weight percent at being grouped as:
Si:1.4%；
Mn:1.65%；
Cu:0.25%；
Fe:3.6%；
Cr:0.3%；
Co:1.22%；
Ni:1.5%；
Zn:1.4%；
B:0.21%；
Mo:0.35%；
Ca:1.65%；
Pb:0.23%；
Ti:2.4%；
Surplus is Al and inevitable impurity.
Particularly, the high-strength wearproof corrosion-resistant aluminium alloy preparation method the following steps are included:
(1) above-mentioned each raw material is proportionally weighed and is put into grinder and carry out ground and mixed, in revolving speed 40r/min Under, grind 2h；
(2) mixture obtained in (1) is put into smelting furnace and is melted, is warming up to first with the speed of 10 DEG C/min 100 DEG C, 2h is kept, is then warming up to 790 DEG C with the speed of 20 DEG C/min, 1h is kept, is then warming up to the speed of 5 DEG C/min 810 DEG C, 30min is kept, degassing processing is finally carried out；
(3) molten mixture in (2) is stood at 810 DEG C, is then quenched；
(4) material quenched in (3) is placed in 200 DEG C of low temperature oven and keeps 1h, then cooled to room temperature, i.e., Obtain high-strength wearproof corrosion-resistant aluminium alloy.
Particularly, the time of repose in the step (3) is 1h.
Particularly, the hardening heat in the step (3) is 100 DEG C.
Particularly, the quenching retention time in the step (3) is for 24 hours.
The beneficial effects of the present invention are: the aluminium alloy in the present invention is by controlling the content of various elements in aluminium alloy and leading to The preparation processes such as mixed grinding, drying, melting, quenching, heat preservation, cooling are crossed, have obtained having high-intensitive, wear-resisting and corrosion resistant The aluminium alloy of performance meets the performance requirement of automobile engine bracket.
Specific embodiment
Below with reference to embodiment, the invention will be further described:
Specific embodiment 1:
A kind of high-strength wearproof corrosion-resistant aluminium alloy, by following weight percent at being grouped as:
Si:3.5%；
Mn:1.8%；
Cu:0.3%；
Fe:4.5%；
Cr:0.4%；
Co:1.4%；
Ni:1.6%；
Zn:1.6%；
B:0.25%；
Mo:0.6%；
Ca:1.8%；
Pb:0.4%；
Ti:2.6%；
Surplus is Al and inevitable impurity.
Particularly, the high-strength wearproof corrosion-resistant aluminium alloy preparation method the following steps are included:
(1) above-mentioned each raw material is proportionally weighed and is put into grinder and carry out ground and mixed, in revolving speed 40r/min Under, grind 2h；
(2) mixture obtained in (1) is put into smelting furnace and is melted, is warming up to first with the speed of 10 DEG C/min 100 DEG C, 2h is kept, is then warming up to 790 DEG C with the speed of 20 DEG C/min, 1h is kept, is then warming up to the speed of 5 DEG C/min 810 DEG C, 30min is kept, degassing processing is finally carried out；
(3) molten mixture in (2) is stood at 810 DEG C, is then quenched；
(4) material quenched in (3) is placed in 200 DEG C of low temperature oven and keeps 1h, then cooled to room temperature, i.e., Obtain high-strength wearproof corrosion-resistant aluminium alloy.
Particularly, the time of repose in the step (3) is 1h.
Particularly, the hardening heat in the step (3) is 100 DEG C.
Particularly, the quenching retention time in the step (3) is for 24 hours.
Specific embodiment 2:
A kind of high-strength wearproof corrosion-resistant aluminium alloy, by following weight percent at being grouped as:
Si:1.2%；
Mn:1.6%；
Cu:0.1%；
Fe:3.5%；
Cr:0.12%；
Co:1.2%；
Ni:1.3%；
Zn:1.25%；
B:0.1%；
Mo:0.3%；
Ca:1.6%；
Pb:0.2%；
Ti:2.1%；
Surplus is Al and inevitable impurity.
Particularly, the high-strength wearproof corrosion-resistant aluminium alloy preparation method the following steps are included:
(1) above-mentioned each raw material is proportionally weighed and is put into grinder and carry out ground and mixed, in revolving speed 40r/min Under, grind 2h；
(2) mixture obtained in (1) is put into smelting furnace and is melted, is warming up to first with the speed of 10 DEG C/min 100 DEG C, 2h is kept, is then warming up to 790 DEG C with the speed of 20 DEG C/min, 1h is kept, is then warming up to the speed of 5 DEG C/min 810 DEG C, 30min is kept, degassing processing is finally carried out；
(3) molten mixture in (2) is stood at 810 DEG C, is then quenched；
(4) material quenched in (3) is placed in 200 DEG C of low temperature oven and keeps 1h, then cooled to room temperature, i.e., Obtain high-strength wearproof corrosion-resistant aluminium alloy.
Particularly, the time of repose in the step (3) is 1h.
Particularly, the hardening heat in the step (3) is 100 DEG C.
Particularly, the quenching retention time in the step (3) is for 24 hours.
Specific embodiment 3:
A kind of high-strength wearproof corrosion-resistant aluminium alloy, by following weight percent at being grouped as:
Si:1.4%；
Mn:1.65%；
Cu:0.25%；
Fe:3.6%；
Cr:0.3%；
Co:1.22%；
Ni:1.5%；
Zn:1.4%；
B:0.21%；
Mo:0.35%；
Ca:1.65%；
Pb:0.23%；
Ti:2.4%.
Surplus is Al and inevitable impurity；
Particularly, the preparation method of the high-strength wearproof corrosion-resistant aluminium alloy including the following steps:
(1) above-mentioned each raw material is proportionally weighed and is put into grinder and carry out ground and mixed, in revolving speed 40r/min Under, grind 2h；
(2) mixture obtained in (1) is put into smelting furnace and is melted, is warming up to first with the speed of 10 DEG C/min 100 DEG C, 2h is kept, is then warming up to 790 DEG C with the speed of 20 DEG C/min, 1h is kept, is then warming up to the speed of 5 DEG C/min 810 DEG C, 30min is kept, degassing processing is finally carried out；
(3) molten mixture in (2) is stood at 810 DEG C, is then quenched；
(4) material quenched in (3) is placed in 200 DEG C of low temperature oven and keeps 1h, then cooled to room temperature, i.e., Obtain high-strength wearproof corrosion-resistant aluminium alloy.
Particularly, the time of repose in the step (3) is 1h.
Particularly, the hardening heat in the step (3) is 100 DEG C.
Particularly, the quenching retention time in the step (3) is for 24 hours.
Aluminium alloy in the present invention passes through the content of various elements in control aluminium alloy and passes through mixed grinding, drying, melts The preparation processes such as melt, quench, keeping the temperature, cooling down, having obtained the aluminium alloy with high-intensitive, wear-resisting and corrosion resistant performance, meeting The performance requirement of automobile engine bracket.
The present invention is exemplarily described above, it is clear that present invention specific implementation is not subject to the restrictions described above, As long as using the various improvement that the inventive concept and technical scheme of the present invention carry out, or not improved directly apply to other fields It closes, it is within the scope of the present invention.

Claims (6)

1. a kind of high-strength wearproof corrosion-resistant aluminium alloy, which is characterized in that by following weight percent at being grouped as: Si: 1.2-3.5%；Mn:1.6-1.8%；Cu:0.1-0.3%；Fe:3.5-4.5%；Cr:0.12-0.4%；Co:1.2-1.4%； Ni:1.3-1.6%；Zn:1.25-1.6%；B:0.1-0.25%；Mo:0.3-0.6%；Ca:1.6-1.8%；Pb:0.2- 0.4%；Ti:2.1-2.6%；Surplus is Al and inevitable impurity.
2. a kind of high-strength wearproof corrosion-resistant aluminium alloy according to claim 1, which is characterized in that by following weight percent Ratio at being grouped as: Si:1.4%；Mn:1.65%；Cu:0.25%；Fe:3.6%；Cr:0.3%；Co:1.22%；Ni: 1.5%；Zn:1.4%；B:0.21%；Mo:0.35%；Ca:1.65%；Pb:0.23%；Ti:2.4%；Surplus is Al and can not The impurity avoided.
3. a kind of preparation method of high-strength wearproof corrosion-resistant aluminium alloy a kind of as described in claims 1 or 2, feature exist In, comprising the following steps:
(1) above-mentioned each raw material is proportionally weighed and is put into grinder and carry out ground and mixed, at revolving speed 40r/min, grind Grind 2h；
(2) mixture obtained in (1) is put into smelting furnace and is melted, be warming up to 100 first with the speed of 10 DEG C/min DEG C, 2h is kept, is then warming up to 790 DEG C with the speed of 20 DEG C/min, 1h is kept, is then warming up to 810 with the speed of 5 DEG C/min DEG C, 30min is kept, degassing processing is finally carried out；
(3) molten mixture in (2) is stood at 810 DEG C, is then quenched；
(4) material quenched in (3) is placed in 200 DEG C of low temperature oven and keeps 1h, then cooled to room temperature is to get arriving High-strength wearproof corrosion-resistant aluminium alloy.
4. a kind of preparation method of high-strength wearproof corrosion-resistant aluminium alloy according to claim 3, which is characterized in that described Time of repose in step (3) is 1h.
5. a kind of preparation method of high-strength wearproof corrosion-resistant aluminium alloy according to claim 3, which is characterized in that described Hardening heat in step (3) is 100 DEG C.
6. a kind of preparation method of high-strength wearproof corrosion-resistant aluminium alloy according to claim 3, which is characterized in that described The quenching retention time in step (3) is for 24 hours.
CN201910500746.1A 2019-06-11 2019-06-11 A kind of high-strength wearproof corrosion-resistant aluminium alloy and preparation method thereof Withdrawn CN110106404A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910500746.1A CN110106404A (en) 2019-06-11 2019-06-11 A kind of high-strength wearproof corrosion-resistant aluminium alloy and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910500746.1A CN110106404A (en) 2019-06-11 2019-06-11 A kind of high-strength wearproof corrosion-resistant aluminium alloy and preparation method thereof

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101743234B1 (en) * 2016-02-16 2017-06-02 (주)제이에스루미 Aluminum alloy for die casting
CN108546859A (en) * 2018-06-04 2018-09-18 合肥大麦灯箱器材有限公司 A kind of high-strength corrosion-resisting aluminum alloy doorframe and preparation method thereof
CN108642333A (en) * 2018-06-14 2018-10-12 安徽同盛环件股份有限公司 A kind of high-strength corrosion-resisting aluminium alloy rings and its preparation process
CN109072349A (en) * 2016-04-07 2018-12-21 奥科宁克有限公司 Iron content, silicon, vanadium and copper and the aluminium alloy wherein with large volume of ceramic phase
CN109266921A (en) * 2018-11-07 2019-01-25 天津圣金特汽车配件有限公司 A kind of high thermal conductivity, wear-resisting, anticorrosion aluminium engine support manufacturing method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101743234B1 (en) * 2016-02-16 2017-06-02 (주)제이에스루미 Aluminum alloy for die casting
CN109072349A (en) * 2016-04-07 2018-12-21 奥科宁克有限公司 Iron content, silicon, vanadium and copper and the aluminium alloy wherein with large volume of ceramic phase
CN108546859A (en) * 2018-06-04 2018-09-18 合肥大麦灯箱器材有限公司 A kind of high-strength corrosion-resisting aluminum alloy doorframe and preparation method thereof
CN108642333A (en) * 2018-06-14 2018-10-12 安徽同盛环件股份有限公司 A kind of high-strength corrosion-resisting aluminium alloy rings and its preparation process
CN109266921A (en) * 2018-11-07 2019-01-25 天津圣金特汽车配件有限公司 A kind of high thermal conductivity, wear-resisting, anticorrosion aluminium engine support manufacturing method

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Title
王祝堂: "《轨道车辆用铝材手册》", 30 November 2013 *

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