CN105385907A - Thermal treatment process for alloy automobile hub casting - Google Patents
Thermal treatment process for alloy automobile hub casting Download PDFInfo
- Publication number
- CN105385907A CN105385907A CN201510976957.4A CN201510976957A CN105385907A CN 105385907 A CN105385907 A CN 105385907A CN 201510976957 A CN201510976957 A CN 201510976957A CN 105385907 A CN105385907 A CN 105385907A
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- CN
- China
- Prior art keywords
- automobile hub
- alloy automobile
- cast
- thermal treatment
- alloy
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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
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
-
- 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
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
-
- 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
- C22F1/043—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 of alloys with silicon as the next major constituent
-
- 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
- C22F1/047—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 of alloys with magnesium as the next major constituent
-
- 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
- C22F1/05—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 of alloys of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses a thermal treatment process for an alloy automobile hub casting which is cast by adopting an aluminum-magnesium alloy liquid, wherein the aluminum-magnesium alloy liquid is prepared from the following components in proportion by mass: 2%-6% of magnesium, 0.5%-2.5% of silicon, 0.5%-0.8% of iron, 0.8%-1.2% of nickel, 0.2%-0.5% of chromium, 0.1%-0.5% of copper, 0.9%-1.5% of titanium, 0.1%-0.4% of zinc and the balance of aluminum. Thermal treatment for the alloy automobile hub casting comprises normalizing pretreatment and tempering treatment. In this way, the process is simple and easy to control; the automobile hub casting is cast by an aluminum-magnesium alloy with a reasonable formula; the casting is subjected to the normalizing pretreatment and the tempering treatment, so that casting stress is eliminated, thereby improving surface and inherent quality of the casting, and improving mechanical performance of the casting.
Description
Technical field
The present invention relates to technical field of heat treatment, particularly relate to a kind of thermal treatment process of alloy automobile hub cast.
Background technology
Automotive hub be in doughnut centered by axle for the cylindrical metal parts of support tire, automotive hub is an important component part of automobile component, wheel hub on market can be divided into steel wheel hub and alloy wheel hub by material, the quality of steel wheel hub is large, inertia resistance is large, heat dispersion is poor, and be very easy to get rusty, alloy tip hub ratio steel wheel hub performance is good, alloy wheel hub is generally obtained by casting technique, but cast(ing) surface and inner quality poor, in order to improve surface and the inner quality of aluminium alloy automobile hub foundry goods, and improve its mechanical property, need to heat-treat foundry goods.
Summary of the invention
The technical problem that the present invention mainly solves is: for the deficiencies in the prior art, there is provided a kind of thermal treatment process of alloy automobile hub cast, technique is simple and easy to control, can eliminate the rear stress of casting, improve surface and the inner quality of aluminium alloy automobile hub foundry goods, and improve its mechanical property.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: the thermal treatment process providing a kind of alloy automobile hub cast, described alloy automobile hub cast adopts the cast of aluminum magnesium alloy liquid to form, the composition of described aluminum magnesium alloy liquid and the quality proportioning of each composition are: magnesium 2%-6%, silicon 0.5%-2.5%, iron 0.5%-0.8%, nickel 0.8%-1.2%, chromium 0.2%-0.5%, copper 0.1%-0.5%, titanium 0.9%-1.5%, zinc 0.1%-0.4%, and all the other are aluminium;
The thermal treatment of described alloy automobile hub cast comprises normalizing pre-treatment and modifier treatment, and it comprises the steps:
A, alloy automobile hub cast is put into process furnace, be warming up to 650 ± 20 DEG C, insulation 1-1.5 hour; Continue to be warming up to 750 ± 20 DEG C, insulation 2-3 hour, cools to less than 300 DEG C with the furnace and comes out of the stove;
B and then do modifier treatment to the alloy automobile hub cast after coming out of the stove, puts into process furnace again by it, is warming up to 800 ± 20 DEG C, insulation 3-4 hour, after being cooled to 350 DEG C, tempering is warming up to 700 ± 20 DEG C, and insulation 1-2 hour, cools to less than 400 DEG C with the furnace and come out of the stove.
In a preferred embodiment of the present invention, in described step a, in process furnace, heat-up rate is 80 DEG C/h.
In a preferred embodiment of the present invention, in described step b, in process furnace, heat-up rate is 100 DEG C/h.
The invention has the beneficial effects as follows: present invention process is simple and easy to control, the rational aluminum magnesium alloy cast of formula is adopted to form automobile hub casting, this foundry goods eliminates casting stress through normalizing pre-treatment and modifier treatment again, improves surface and the inner quality of foundry goods, and improves its mechanical property.
Embodiment
Below preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
The embodiment of the present invention comprises:
Embodiment one:
A kind of thermal treatment process of alloy automobile hub cast, described alloy automobile hub cast adopts the cast of aluminum magnesium alloy liquid to form, and the composition of described aluminum magnesium alloy liquid and the quality proportioning of each composition are: magnesium 2%, silicon 2%, iron 0.8%, nickel 1.2%, chromium 0.5%, copper 0.5%, titanium 1.5%, zinc 0.4%, aluminium 91.1%;
The thermal treatment of described alloy automobile hub cast comprises normalizing pre-treatment and modifier treatment, and it comprises the steps:
A, alloy automobile hub cast is put into process furnace, be warming up to 630 DEG C, be incubated 1.5 hours; Continue to be warming up to 730 DEG C, be incubated 3 hours, cool to less than 300 DEG C with the furnace and come out of the stove;
B and then do modifier treatment to the alloy automobile hub cast after coming out of the stove, it is put into process furnace again, is warming up to 780 DEG C, be incubated 3 hours, after being cooled to 350 DEG C, tempering is warming up to 680 DEG C, is incubated 1 hour, cools to less than 400 DEG C with the furnace and come out of the stove.
Wherein, in described step a, in process furnace, heat-up rate is 80 DEG C/h.
In described step b, in process furnace, heat-up rate is 100 DEG C/h.
Embodiment two:
A kind of thermal treatment process of alloy automobile hub cast, described alloy automobile hub cast adopts the cast of aluminum magnesium alloy liquid to form, and the composition of described aluminum magnesium alloy liquid and the quality proportioning of each composition are: magnesium 4%, silicon 2.5%, iron 0.6%, nickel 1%, chromium 0.3%, copper 0.3%, titanium 1%, zinc 0.2%, aluminium 90.1%;
The thermal treatment of described alloy automobile hub cast comprises normalizing pre-treatment and modifier treatment, and it comprises the steps:
A, alloy automobile hub cast is put into process furnace, be warming up to 650 DEG C, be incubated 1 hour; Continue to be warming up to 750 DEG C, be incubated 2 hours, cool to less than 300 DEG C with the furnace and come out of the stove;
B and then do modifier treatment to the alloy automobile hub cast after coming out of the stove, it is put into process furnace again, is warming up to 800 DEG C, be incubated 3.5 hours, after being cooled to 350 DEG C, tempering is warming up to 700 DEG C, is incubated 1.5 hours, cools to less than 400 DEG C with the furnace and come out of the stove.
Wherein, in described step a, in process furnace, heat-up rate is 80 DEG C/h.
In described step b, in process furnace, heat-up rate is 100 DEG C/h.
Embodiment three:
A kind of thermal treatment process of alloy automobile hub cast, described alloy automobile hub cast adopts the cast of aluminum magnesium alloy liquid to form, and the composition of described aluminum magnesium alloy liquid and the quality proportioning of each composition are: magnesium 6%, silicon 0.5%, iron 0.5%, nickel 0.8%, chromium 0.2%, copper 0.1%, titanium 0.9%, zinc 0.1%, aluminium 90.9%;
The thermal treatment of described alloy automobile hub cast comprises normalizing pre-treatment and modifier treatment, and it comprises the steps:
A, alloy automobile hub cast is put into process furnace, be warming up to 670 DEG C, be incubated 1 hour; Continue to be warming up to 770 DEG C, be incubated 2 hours, cool to less than 300 DEG C with the furnace and come out of the stove;
B and then do modifier treatment to the alloy automobile hub cast after coming out of the stove, it is put into process furnace again, is warming up to 820 DEG C, be incubated 4 hours, after being cooled to 350 DEG C, tempering is warming up to 720 DEG C, is incubated 2 hours, cools to less than 400 DEG C with the furnace and come out of the stove.
Wherein, in described step a, in process furnace, heat-up rate is 80 DEG C/h.
In described step b, in process furnace, heat-up rate is 100 DEG C/h.
Present invention is disclosed a kind of thermal treatment process of alloy automobile hub cast, technique is simple and easy to control, the rational aluminum magnesium alloy cast of formula is adopted to form automobile hub casting, this foundry goods eliminates casting stress through normalizing pre-treatment and modifier treatment again, improve surface and the inner quality of foundry goods, and improve its mechanical property.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (3)
1. the thermal treatment process of an alloy automobile hub cast, it is characterized in that, described alloy automobile hub cast adopts the cast of aluminum magnesium alloy liquid to form, the composition of described aluminum magnesium alloy liquid and the quality proportioning of each composition are: magnesium 2%-6%, silicon 0.5%-2.5%, iron 0.5%-0.8%, nickel 0.8%-1.2%, chromium 0.2%-0.5%, copper 0.1%-0.5%, titanium 0.9%-1.5%, zinc 0.1%-0.4%, and all the other are aluminium;
The thermal treatment of described alloy automobile hub cast comprises normalizing pre-treatment and modifier treatment, and it comprises the steps:
A, alloy automobile hub cast is put into process furnace, be warming up to 650 ± 20 DEG C, insulation 1-1.5 hour; Continue to be warming up to 750 ± 20 DEG C, insulation 2-3 hour, cools to less than 300 DEG C with the furnace and comes out of the stove;
B and then do modifier treatment to the alloy automobile hub cast after coming out of the stove, puts into process furnace again by it, is warming up to 800 ± 20 DEG C, insulation 3-4 hour, after being cooled to 350 DEG C, tempering is warming up to 700 ± 20 DEG C, and insulation 1-2 hour, cools to less than 400 DEG C with the furnace and come out of the stove.
2. the thermal treatment process of alloy automobile hub cast according to claim 1, is characterized in that, in described step a, in process furnace, heat-up rate is 80 DEG C/h.
3. the thermal treatment process of alloy automobile hub cast according to claim 1, is characterized in that, in described step b, in process furnace, heat-up rate is 100 DEG C/h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510976957.4A CN105385907A (en) | 2015-12-23 | 2015-12-23 | Thermal treatment process for alloy automobile hub casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510976957.4A CN105385907A (en) | 2015-12-23 | 2015-12-23 | Thermal treatment process for alloy automobile hub casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105385907A true CN105385907A (en) | 2016-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510976957.4A Pending CN105385907A (en) | 2015-12-23 | 2015-12-23 | Thermal treatment process for alloy automobile hub casting |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111471846A (en) * | 2020-05-09 | 2020-07-31 | 安徽拓普勒汽车科技有限公司 | Heat treatment process for aluminum alloy hub |
| CN115786785A (en) * | 2022-11-17 | 2023-03-14 | 大连科天新材料有限公司 | High-strength and high-toughness heat-treatment-free die-casting aluminum-magnesium alloy, and preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102286682A (en) * | 2011-08-24 | 2011-12-21 | 吴江市精工铝字制造厂 | High-strength hard aluminum alloy |
| CN103924136A (en) * | 2014-04-18 | 2014-07-16 | 吉林万丰奥威汽轮有限公司 | Aluminum alloy material for automobile hub |
-
2015
- 2015-12-23 CN CN201510976957.4A patent/CN105385907A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102286682A (en) * | 2011-08-24 | 2011-12-21 | 吴江市精工铝字制造厂 | High-strength hard aluminum alloy |
| CN103924136A (en) * | 2014-04-18 | 2014-07-16 | 吉林万丰奥威汽轮有限公司 | Aluminum alloy material for automobile hub |
Non-Patent Citations (1)
| Title |
|---|
| 顾纪清: "《焊接技术要领550例速查手册》", 30 June 2013, 上海科学技术出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111471846A (en) * | 2020-05-09 | 2020-07-31 | 安徽拓普勒汽车科技有限公司 | Heat treatment process for aluminum alloy hub |
| CN115786785A (en) * | 2022-11-17 | 2023-03-14 | 大连科天新材料有限公司 | High-strength and high-toughness heat-treatment-free die-casting aluminum-magnesium alloy, and preparation method and application thereof |
| CN115786785B (en) * | 2022-11-17 | 2024-04-02 | 大连科天新材料有限公司 | High-strength and high-toughness heat-treatment-free die-casting aluminum magnesium alloy, and preparation method and application thereof |
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Application publication date: 20160309 |