CN106884129A - A kind of Technology for Heating Processing for extrusion casint aluminium alloy knuckle - Google Patents
A kind of Technology for Heating Processing for extrusion casint aluminium alloy knuckle Download PDFInfo
- Publication number
- CN106884129A CN106884129A CN201710155008.9A CN201710155008A CN106884129A CN 106884129 A CN106884129 A CN 106884129A CN 201710155008 A CN201710155008 A CN 201710155008A CN 106884129 A CN106884129 A CN 106884129A
- Authority
- CN
- China
- Prior art keywords
- aluminium alloy
- extrusion casint
- technology
- heating processing
- knuckle
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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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Classifications
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- 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
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Extrusion Of Metal (AREA)
Abstract
The invention discloses a kind of Technology for Heating Processing for extrusion casint aluminium alloy knuckle, comprise the following steps that：(1) in pending extrusion casint aluminium alloy knuckle casting feeding heat-treatment furnace, 535 DEG C ± 5 DEG C of solid solubility temperature is heated within 40 60min, is incubated 480min；(2) after, A356.2 aluminium alloy knuckles are transferred to 60 90 DEG C of quenching-in water within 15s, the cool time is 240s；(3) then, 165 DEG C ± 5 DEG C of aging temp is heated to, 360min is incubated；(4) it is last, room temperature is cooled in atmosphere.The present invention obtains the effect of good tensile strength, yield strength, elongation and grain size with A356.2 aluminium alloys knuckle.
Description
Technical field
The present invention relates to metal material Field of Heat-treatment, more particularly to a kind of heat for extrusion casint aluminium alloy knuckle
Handling process.
Background technology
The light-weighted trend of requirement and vehicle based on automobile industry energy-saving and emission-reduction, increasing aluminum alloy materials are answered
With on auto parts and components, these parts are including knuckle, control arm, bladder support arm etc..Automobile production producer closes to aluminium
The quality requirement of golden auto parts and components is very high, especially proposes requirement higher to the mechanical property for being related to automotive safety part.
Such as to aluminium alloy knuckle part, some producer's requirement yield strengths are 250MPa, tensile strength is 310MPa, elongation is
More than 10%.The requirement of such mechanical property is not that the technique such as die casting or low pressure, counter-pressure casting can be realized.Extruding casting
The technology of making is a kind of emerging casting technique, and the product grains of the technique productions are tiny, dense structure, and mechanical property is higher than other
Casting technique, is only second to the mechanical property level of forging, therefore extrusion casint be can yet be regarded as a kind of excellent production technology.But close
In extrusion casint A356.2 aluminium alloy automobile knuckles Technology for Heating Processing still without related patent document.Extrusion casint
The Technology for Heating Processing of A356.2 aluminium alloy knuckles include solid solubility temperature and time, hardening media and time and aging temp and
The selection of time.These technological parameters have a great impact to materials microstructure performance.Solid solubility temperature is too high, can cause overheat；
Solid solubility temperature is too low, and the solution treatment of material is insufficient, causes the mechanical property of material and reduces；Solid solution soaking time is short, material
Solution treatment process is insufficient, and overlong time causes crystal grain to be grown up, and this can all reduce the mechanical property of material；In certain limit
It is interior, the cooling velocity speed of hardening media, in addition to it can influence casting internal stress size, cooling velocity is long compared with that can cause crystal grain slowly
Greatly, the mechanical property of casting is reduced.The secondary phase fine uniform separated out in ag(e)ing process, it is better to mechanical property, so
The height of the temperature of timeliness and the length of time are very important.
The content of the invention
In view of the above problems, good tensile strength, yield strength, elongation is obtained it is an object of the invention to provide a kind of
The Technology for Heating Processing of the extrusion casint aluminium alloy knuckle of rate and grain size.
To achieve the above object, a kind of Technology for Heating Processing for extrusion casint aluminium alloy knuckle that the present invention is provided,
Comprise the following steps that：
(1) in pending extrusion casint A356.2 aluminium alloy knuckles casting feeding heat-treatment furnace, in 40-60min
Within be heated to 535 DEG C ± 5 DEG C of solid solubility temperature, be incubated 480min；
(2) after, extrusion casint A356.2 aluminium alloy knuckles are transferred to 60-90 DEG C of quenching-in water within 15s,
Cool time is 240s；
(3) then, 165 DEG C ± 5 DEG C of aging temp is heated to, 360min is incubated；
(4) it is last, room temperature is cooled in atmosphere.
In some embodiments, solid solubility temperature is 535 DEG C ± 5 DEG C；Described aging temp is 165 DEG C ± 5 DEG C.
In some embodiments, heat-treatment furnace is resistance furnace or gas furnace.
In some embodiments, the cross section maximum gauge of extrusion casint A356.2 aluminium alloys knuckle is 30-40mm.
The beneficial effects of the invention are as follows squeezing with the good tensile strength of acquisition, yield strength, elongation and grain size
A356.2 aluminium alloy knuckles are made in die casting.Because Technology for Heating Processing of the invention is designed by optimization of orthogonal test so that squeeze
Die casting is made A356.2 aluminium alloys knuckle and after heat treatment obtains good tensile strength, yield strength, elongation and grain size.
I.e. with the A356.2 molten aluminium alloy by Metamorphism treatment, by after appropriate extrusion casint, being heat-treated to product, obtain
The grain size of product be 7-8 grade, the mechanical property of product is yield strength 250MPa, tensile strength is 310MPa, elongation
It is more than 10%, obtains preferable combination property, can apply among the production of spindle, the present invention is to mechanical property
The improvement of energy is substantially better than other Technologies for Heating Processing of this area.In this way, realize obtaining good tensile strength, surrender by force
The effect of degree, elongation and grain size A356.2 aluminium alloy knuckles.
Specific embodiment
Invention is described in further detail below.
A kind of Technology for Heating Processing for extrusion casint aluminium alloy knuckle, comprises the following steps that：(1) pending is squeezed
Die casting is made in A356.2 aluminium alloy knuckles casting feeding heat-treatment furnace, and 535 DEG C of solid solubility temperature is heated within 40-60min
± 5 DEG C, it is incubated 480min；(2) after, extrusion casint A356.2 aluminium alloy knuckles are transferred to 60-90 DEG C within 15s
Quenching-in water, the cool time is 240s；(3) then, 165 DEG C ± 5 DEG C of aging temp is heated to, 360min is incubated；It is (4) last,
Room temperature is cooled in atmosphere.Solid solubility temperature is 535 DEG C ± 5 DEG C；Described aging temp is 165 DEG C ± 5 DEG C.Heat-treatment furnace is
Resistance furnace or gas furnace.The cross-sectional area maximum gauge of A356.2 aluminium alloy knuckles is 30-40mm.
Technology for Heating Processing of the invention is designed by optimization of orthogonal test so that extrusion casint A356.2 aluminium alloys are turned to
Section after heat treatment obtains good tensile strength, yield strength, elongation and grain size.I.e. with by Metamorphism treatment
A356.2 molten aluminium alloy, by after appropriate extrusion casint, being heat-treated to product, the grain size of the product for obtaining is 7-
8 grades, the mechanical property of product is yield strength 250MPa, tensile strength is that 310MPa, elongation are more than 10%, is managed
The combination property thought, can apply among the production of spindle, and improvement of the present invention to mechanical property is substantially better than this
Other Technologies for Heating Processing in field.
Above-described is only some embodiments of the present invention.For the person of ordinary skill of the art, not
On the premise of departing from the invention design, various modifications and improvements can be made, these belong to the protection domain of invention.
Claims (4)
1. a kind of Technology for Heating Processing for extrusion casint aluminium alloy knuckle, comprises the following steps that：
(1) in pending extrusion casint A356.2 aluminium alloy knuckles casting feeding heat-treatment furnace, within 40-60min
535 DEG C ± 5 DEG C of solid solubility temperature is heated to, 480min is incubated；
(2) after, A356.2 aluminium alloy knuckles are transferred to 60-90 DEG C of quenching-in water within 15s, the cool time is
240s；
(3) then, 165 DEG C ± 5 DEG C of aging temp is heated to, 360min is incubated；
(4) it is last, room temperature is cooled in atmosphere.
2. a kind of Technology for Heating Processing for extrusion casint aluminium alloy knuckle according to claim 1, it is characterised in that
Described solid solubility temperature is 535 DEG C ± 5 DEG C；Described aging temp is 165 DEG C ± 5 DEG C.
3. a kind of Technology for Heating Processing for extrusion casint aluminium alloy knuckle according to claim 2, it is characterised in that
Described heat-treatment furnace is resistance furnace or gas furnace.
4. a kind of Technology for Heating Processing for extrusion casint aluminium alloy knuckle according to claim 1,2 or 3, its feature
It is that the cross-sectional area maximum gauge of described A356.2 aluminium alloy knuckles is 30-40mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710155008.9A CN106884129A (en) | 2017-03-14 | 2017-03-14 | A kind of Technology for Heating Processing for extrusion casint aluminium alloy knuckle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710155008.9A CN106884129A (en) | 2017-03-14 | 2017-03-14 | A kind of Technology for Heating Processing for extrusion casint aluminium alloy knuckle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106884129A true CN106884129A (en) | 2017-06-23 |
Family
ID=59181721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710155008.9A Pending CN106884129A (en) | 2017-03-14 | 2017-03-14 | A kind of Technology for Heating Processing for extrusion casint aluminium alloy knuckle |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107586939A (en) * | 2017-09-13 | 2018-01-16 | 中信戴卡股份有限公司 | A kind of heat treatment method for aluminium alloy casting rotation wheel |
| CN108048768A (en) * | 2017-12-18 | 2018-05-18 | 广州致远新材料科技有限公司 | The heat treatment method of extrusion casint aluminium alloy and extrusion casint aluminum alloy materials |
| CN108998652A (en) * | 2018-09-25 | 2018-12-14 | 株洲市九洲传动机械设备有限公司 | A kind of heat treatment method of cast aluminium alloy gold gear-box |
| CN111842800A (en) * | 2020-07-17 | 2020-10-30 | 宁波拓普汽车电子有限公司 | Method for casting aluminum alloy knuckle by aluminum alloy ingot |
| CN113801981A (en) * | 2021-09-01 | 2021-12-17 | 太仓耀展金属制品有限公司 | Heat treatment device and heat treatment method for automobile aluminum alloy die castings |
| CN116145055A (en) * | 2023-01-30 | 2023-05-23 | 中信戴卡股份有限公司 | Casting and heat treatment integrated manufacturing method and assembly line equipment for aluminum alloy wheel |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009036953A1 (en) * | 2007-09-21 | 2009-03-26 | Aleris Aluminum Koblenz Gmbh | Al-cu-li alloy product suitable for aerospace application |
| EP2112242A1 (en) * | 2008-04-18 | 2009-10-28 | United Technologies Corporation | Heat treatable L12 aluminium alloys |
| CN102041464A (en) * | 2009-10-09 | 2011-05-04 | 韦加伟 | Method for increasing mechanical properties of vehicle hub through artificial aging |
| CN102912265A (en) * | 2011-08-02 | 2013-02-06 | 大亚科技股份有限公司 | Aluminum alloy wheel heat treatment process |
-
2017
- 2017-03-14 CN CN201710155008.9A patent/CN106884129A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009036953A1 (en) * | 2007-09-21 | 2009-03-26 | Aleris Aluminum Koblenz Gmbh | Al-cu-li alloy product suitable for aerospace application |
| EP2112242A1 (en) * | 2008-04-18 | 2009-10-28 | United Technologies Corporation | Heat treatable L12 aluminium alloys |
| CN102041464A (en) * | 2009-10-09 | 2011-05-04 | 韦加伟 | Method for increasing mechanical properties of vehicle hub through artificial aging |
| CN102912265A (en) * | 2011-08-02 | 2013-02-06 | 大亚科技股份有限公司 | Aluminum alloy wheel heat treatment process |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107586939A (en) * | 2017-09-13 | 2018-01-16 | 中信戴卡股份有限公司 | A kind of heat treatment method for aluminium alloy casting rotation wheel |
| US11118254B2 (en) | 2017-09-13 | 2021-09-14 | Citic Dicastal Co., Ltd | Thermal treatment method for aluminum alloy cast-spun wheel |
| CN108048768A (en) * | 2017-12-18 | 2018-05-18 | 广州致远新材料科技有限公司 | The heat treatment method of extrusion casint aluminium alloy and extrusion casint aluminum alloy materials |
| CN108998652A (en) * | 2018-09-25 | 2018-12-14 | 株洲市九洲传动机械设备有限公司 | A kind of heat treatment method of cast aluminium alloy gold gear-box |
| CN111842800A (en) * | 2020-07-17 | 2020-10-30 | 宁波拓普汽车电子有限公司 | Method for casting aluminum alloy knuckle by aluminum alloy ingot |
| CN113801981A (en) * | 2021-09-01 | 2021-12-17 | 太仓耀展金属制品有限公司 | Heat treatment device and heat treatment method for automobile aluminum alloy die castings |
| CN113801981B (en) * | 2021-09-01 | 2023-02-28 | 太仓耀展金属制品有限公司 | Heat treatment device and heat treatment method for automobile aluminum alloy die castings |
| CN116145055A (en) * | 2023-01-30 | 2023-05-23 | 中信戴卡股份有限公司 | Casting and heat treatment integrated manufacturing method and assembly line equipment for aluminum alloy wheel |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20170623 |