CN106011557B - A kind of high-performance aluminium alloy housing and preparation method thereof - Google Patents
A kind of high-performance aluminium alloy housing and preparation method thereof Download PDFInfo
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- CN106011557B CN106011557B CN201610465246.5A CN201610465246A CN106011557B CN 106011557 B CN106011557 B CN 106011557B CN 201610465246 A CN201610465246 A CN 201610465246A CN 106011557 B CN106011557 B CN 106011557B
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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
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/082—Coating starting from inorganic powder by application of heat or pressure and heat without intermediate formation of a liquid in the layer
- C23C24/085—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
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- Organic Chemistry (AREA)
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Abstract
The invention discloses a kind of high-performance aluminium alloy housing, it is characterised in that：The housing includes housing basic unit and is plated in the functional material of housing surfaces externally and internally；The basic unit includes composed of the following components by weight percentage：Si：2.6%~4.2%；Fe：0.85%~1.5%；Mg：1.3%~2.1%；W：0.2%~0.8%；Zn：0.1%~0.5%；Mn：0.1%~0.5%；Sn：0.08%~0.3%；Pr:0.1~0.2%；Surplus is Al and inevitable impurity.High-performance aluminium alloy surface of shell provided by the invention is uniform and smooth, no cold shut and crackle.
Description
Technical field
The present invention relates to Material Physics field, and in particular to a kind of high-performance aluminium alloy housing and preparation method thereof.
Background technology
Hood housing is the protectiveness parts of missile tail, and what it was selected is high performance casting aluminium alloy, the product knot
Structure is complicated, and size is larger, and required precision is high, simultaneously because space product key component, higher to interiors of products quality requirement, property
It can require to be higher than national standard.
Housing is former in the prior art uses sand mold gravitational casting, by the understanding deficiency to the product structure and is used
Casting technique Shortcomings, cause surface quality of continuous castings, internal metallurgical quality and properties percent of pass relatively low, be embodied in
Easily there is the bad phenomenon such as cold shut, crackle and intensity and elongation percentage deficiency in product surface, has a strong impact on that hood housing produces, anxious
It need to be improved and perfect.
The content of the invention
Goal of the invention：In order to overcome the deficiencies in the prior art, the present invention provides a kind of high-performance aluminium alloy housing
And preparation method thereof.
Technical scheme：To achieve the above object, a kind of high-performance aluminium alloy housing provided by the invention, the housing include
Housing basic unit and the functional material for being plated in housing surfaces externally and internally；The basic unit includes by following components group by weight percentage
Into：Si：2.6%~4.2%；Fe：0.85%~1.5%；Mg：1.3%~2.1%；W：0.2%~0.8%；Zn：0.1%~
0.5%；Mn：0.1%~0.5%；Sn：0.08%~0.3%；Pr:0.1~0.2%；Surplus be Al and inevitably it is miscellaneous
Matter；The chemical formula of the functional material is by Al1-x Yby(BizSb1-z)2-x-ySe is represented, wherein 0<X≤0.04,0.05≤y≤
0.1,0.1≤z≤0.3, and 2:1≤z:y≤4:1.
Further, the inevitably impurity is Sr, Ti, B.
Further, the thickness of the functional material for being plated in housing surfaces externally and internally is 0.1-30mm..
Further, the thickness of the functional material for being plated in housing surfaces externally and internally is 1-10mm.
The preparation method of above-mentioned high-performance aluminium alloy housing, its preparation process include as follows：
1) preparation of housing basic unit：Respective components composition melting aluminium alloy is weighed by weight percentage, then carries out melting
Aluminium alloy is cast, and carries out alloy refining, and alloy is injected into mold after refining, is carried out continuous casting process and is cast；
2) housing basic unit is placed in argon atmosphere 200-300 DEG C of calcination 1 to 2 hour；Insulation, degasification；Then by housing
Substrate is transferred to growth room, while prepares Al, Yb, Bi, Sb, Se powder, Al, Yb, Bi, Sb, Se powder is ground, ultrasound is shaken
Swing and be heated into atomized particle；Then the powder of atomization is flowed in growth room, controls its flow, under vacuum conditions, in substrate
Al is grown on housing1-x Yby(BizSb1-z)2-x-ySe coating, it is 120-230 DEG C of model that whole process, which keeps the temperature of housing basic unit,
In enclosing；Finally cool down.
Preferably, the flow velocity that mold is injected in being cast in the step (1) is 10 meter per seconds.
Preferably, the weight of the basic unit and functional layer ratio is (350~600)：1.
Beneficial effect：The present invention in terms of existing technologies, has the advantage that：
The combination work of presence and functional layer and basic unit of the high-performance aluminium alloy housing provided by the invention due to functional layer
Skill, its basic unit pass through special grinding ultrasonic atomizatio vacuum technology so that the basic unit of housing is tightly combined with functional layer, and surface is equal
It is even smooth, no cold shut and crackle, and Yb, Bi in functional material reduce Fe illeffects, greatly improve prolonging for alloy
Stretch rate；Fe and Al forms FeAl2 dispersion-strengtherning phases, improves alloy strength；Sb, Se are combined with matrix material improves alloy mechanical property
Energy；The tensile strength of whole housing, yield strength, elongation percentage greatly promote.
Embodiment
The present invention is further described with reference to embodiment.
The preparation method of following examples is prepared using Same Way, i.e.,：
1) preparation of housing basic unit：Respective components composition melting aluminium alloy is weighed by weight percentage, then carries out melting
Aluminium alloy is cast, and carries out alloy refining, and alloy is injected into mold after refining, is carried out continuous casting process and is cast；
2) housing basic unit is placed in argon atmosphere 200-300 DEG C of calcination 1 to 2 hour；Insulation, degasification；Then by housing
Substrate is transferred to growth room, while prepares Al, Yb, Bi, Sb, Se powder, Al, Yb, Bi, Sb, Se powder is ground, ultrasound is shaken
Swing and be heated into atomized particle；Then the powder of atomization is flowed in growth room, controls its flow, under vacuum conditions, in substrate
Al is grown on housing1-x Yby(BizSb1-z)2-x-ySe coating, it is 120-230 DEG C of model that whole process, which keeps the temperature of housing basic unit,
In enclosing；Finally cool down.In 0<X≤0.04,0.05≤y≤0.1,0.1≤z≤0.3, and 2:1≤z:y≤4:1.
Embodiment 1
A kind of high-performance aluminium alloy housing, the basic unit include composed of the following components by weight percentage：Si：
2.6%；Fe：1.5%；Mg：2.1%；W：0.8%；Zn：0.5%；Mn：0.5%；Sn：0.3%；Pr:0.1~0.2%；Surplus
For Al and inevitable impurity；The chemical formula of the functional material is by Al0.96Yb0.1(Bi0.2Sb0.8)1.86Se is represented.Basic unit with
The weight ratio of functional layer is 350：1.
Product manufactured in the present embodiment, its surface is uniform and smooth, and no cold shut and crackle, tensile strength is by original 235MPa
~245MPa is improved to more than 300MPa, and yield strength is improved to 250MPa by original 200MPa~215MPa, elongation percentage by
10% originally is lifted to 28%.
Embodiment 2
A kind of high-performance aluminium alloy housing, the basic unit include composed of the following components by weight percentage：Si：
4.2%；Fe：0.85%；Mg：1.3%；W：0.2%；Zn：0.1%；Mn：0.1%；Sn：0.08%；Pr:0.1；Surplus is Al
With inevitable impurity；The chemical formula of the functional material is by Al0.98Yb0.05(Bi0.1Sb0.9)1.93Se is represented.Basic unit and work(
The weight ratio of ergosphere is 600：1
Product manufactured in the present embodiment, its surface is uniform and smooth, and no cold shut and crackle, tensile strength is by original 235MPa
~245MPa is improved to more than 310MPa, and yield strength is improved to 260MPa by original 200MPa~215MPa, elongation percentage by
10% originally is lifted to 26%..
Embodiment 3
A kind of high-performance aluminium alloy housing, the basic unit include composed of the following components by weight percentage：Si：
3.2%；Fe：1.2%；Mg：1.8%；W：0.6%；Zn：0.4%；Mn：0.4%；Sn：0.2%；Pr:0.15%；Surplus is Al
With inevitable impurity；The chemical formula of the functional material is by Al0.97Yb0.08(Bi0.24Sb0.76)1.68Se is represented.Basic unit and work(
The weight ratio of ergosphere is 550：1.
Product manufactured in the present embodiment, its surface is uniform and smooth, and no cold shut and crackle, tensile strength is by original 235MPa
~245MPa is improved to 330MPa, yield strength and improved by original 200MPa~215MPa to 280MPa, and elongation percentage is by original
10% lifting to 31%.
Embodiment 4
A kind of high-performance aluminium alloy housing, the basic unit include composed of the following components by weight percentage：Si：
3.8%；Fe：1.3%；Mg：1.6%；W：0.4%；Zn：0.3%；Mn：0.2%；Sn：0.15%；Pr:0.18%；Surplus is
Al and inevitable impurity；The chemical formula of the functional material is by Al0.98Yb0.05(Bi0.1Sb0.9)1.93Se is represented.Basic unit with
The weight ratio of functional layer is 450：1.
Product manufactured in the present embodiment, its surface is uniform and smooth, and no cold shut and crackle, tensile strength is by original 235MPa
~245MPa is improved to 330MPa, yield strength and improved by original 200MPa~215MPa to 280MPa, and elongation percentage is by original
10% lifting to 31%.
Embodiment 5
A kind of high-performance aluminium alloy housing, the basic unit include composed of the following components by weight percentage：Si：
2.8%；Fe：1.1%；Mg：1.7%；W：0.7%；Zn：0.2%；Mn：0.3%；Sn：0.17%；Pr:0.12%；Surplus is
Al and inevitable impurity；The chemical formula of the functional material is by Al0.97Yb0.08(Bi0.24Sb0.76)1.68Se is represented.Basic unit with
The weight ratio of functional layer is 580：1.
Product manufactured in the present embodiment, its surface is uniform and smooth, and no cold shut and crackle, tensile strength is by original 235MPa
~245MPa is improved to 338MPa, yield strength and improved by original 200MPa~215MPa to 282MPa, and elongation percentage is by original
10% lifting to 28%.
Described above is only the preferred embodiment of the present invention, it should be pointed out that：Come for those skilled in the art
Say, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications should also regard
For protection scope of the present invention.
Claims (8)
- A kind of 1. high-performance aluminium alloy housing, it is characterised in that：The housing includes housing basic unit and is plated in appearance in housing The functional material in face；The basic unit includes composed of the following components by weight percentage：Si：2.6%~4.2%；Fe： 0.85%~1.5%；Mg：1.3%~2.1%；W：0.2%~0.8%；Zn：0.1%~0.5%；Mn：0.1%~0.5%； Sn：0.08%~0.3%；Pr:0.1~0.2%；Surplus is Al and inevitable impurity；The chemical formula of the functional material is by Al1-xYby(BizSb1-z)2-x-ySe is represented, wherein 0<X≤0.04,0.05≤y≤ 0.1,0.1≤z≤0.3, and 2:1≤z:y≤4:1.
- 2. high-performance aluminium alloy housing according to claim 1, it is characterised in that：It is described inevitably impurity be Sr, Ti、B。
- 3. high-performance aluminium alloy housing according to claim 1, it is characterised in that：The thickness of the dielectric base is 0.1- 10mm。
- 4. high-performance aluminium alloy housing according to claim 1, it is characterised in that：The work(for being plated in housing surfaces externally and internally The thickness of energy material is 0.1-30mm.
- 5. high-performance aluminium alloy housing according to claim 1, it is characterised in that：The work(for being plated in housing surfaces externally and internally The thickness of energy material is 1-10mm.
- A kind of 6. preparation method of high-performance aluminium alloy housing according to any one of claims 1 to 5, it is characterised in that：Its Preparation process includes as follows：1) preparation of housing basic unit：Respective components composition melting aluminium alloy is weighed by weight percentage, then carries out fused aluminium conjunction Gold casting, carries out alloy refining, and alloy is injected into mold after refining, carries out continuous casting process and is cast；2) housing basic unit is placed in argon atmosphere 200-300 DEG C of calcination 1 to 2 hour；Insulation, degasification；Then by housing base Growth room is transferred to, while prepares Al, Yb, Bi, Sb, Se powder, Al, Yb, Bi, Sb, Se powder are ground, sonic oscillation adds Heat is into atomized particle；Then the powder of atomization is flowed in growth room, controls its flow, under vacuum conditions, in substrate housing On grow Al1-xYby(BizSb1-z)2-x-ySe coating, it is in the range of 120-230 DEG C that whole process, which keeps the temperature of housing basic unit,； Finally cool down.
- 7. according to the preparation method of the high-performance aluminium alloy housing described in claim 6, it is characterised in that：The step (1) The flow velocity that mold is injected in middle casting is 10 meter per seconds.
- 8. according to the preparation method of the high-performance aluminium alloy housing described in claim 6, it is characterised in that：The basic unit and work( The weight ratio of ergosphere is (350~600)：1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610465246.5A CN106011557B (en) | 2016-06-23 | 2016-06-23 | A kind of high-performance aluminium alloy housing and preparation method thereof |
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| CN201610465246.5A CN106011557B (en) | 2016-06-23 | 2016-06-23 | A kind of high-performance aluminium alloy housing and preparation method thereof |
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| CN106011557B true CN106011557B (en) | 2018-03-20 |
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| CN102505085A (en) * | 2011-11-10 | 2012-06-20 | 缪建良 | Aluminum bobbin for spinning |
| IN2014MN01031A (en) * | 2011-12-02 | 2015-05-01 | Uacj Corp | |
| CN103911587A (en) * | 2012-12-31 | 2014-07-09 | 比亚迪股份有限公司 | Application of amorphous alloy material source, composite material and preparation method thereof |
| CN104789824A (en) * | 2014-01-16 | 2015-07-22 | 苏州昊卓新材料有限公司 | Die-casting rare earth aluminum alloy with characteristics of high fluidity and oxidability |
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Denomination of invention: The invention relates to a high-performance aluminum alloy shell and a preparation method thereof Effective date of registration: 20211230 Granted publication date: 20180320 Pledgee: Nanjing Jiangning Development Zone sub branch of Bank of Jiangsu Co.,Ltd. Pledgor: NANJING LONGCHAO METAL MANUFACTURING TECHNOLOGY Co.,Ltd. Registration number: Y2021980017230 |
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