CN107964612A - Rifle scope aluminum alloy materials and preparation method thereof - Google Patents
Rifle scope aluminum alloy materials and preparation method thereof Download PDFInfo
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- CN107964612A CN107964612A CN201711279467.4A CN201711279467A CN107964612A CN 107964612 A CN107964612 A CN 107964612A CN 201711279467 A CN201711279467 A CN 201711279467A CN 107964612 A CN107964612 A CN 107964612A
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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
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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
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
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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
- C22F1/04—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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- Crystallography & Structural Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
The invention discloses a kind of rifle scope aluminum alloy materials and preparation method thereof, the aluminum alloy materials include Si：0.4 ~ 0.6%, Mg：0.8 ~ 1.1%, Cu：0.2 ~ 0.3%, Cr：0.6 ~ 1.0%, Mn：1.0 ~ 1.2%, La：0.5 ~ 0.8%, Fe：0 ~ 0.3%, Ti：0 ~ 0.04%, surplus is Al and impurity；Production method is：1）Take each metal material by weight, 2）Above-mentioned each material is all thrown to high temperature melting furnace, using refining flux, is removed the gred, is vented, 3）Solution is stirred evenly, 4）The metal of melt lower part is gently mixed with stirring rod, when lower metal floats up to crucible top, progress semi-continuous casting acquisition ingot casting, 5）Solution is subjected to Homogenization Treatments, 6）Ingot casting is kept the temperature, hot extrusion deformation, carries out wearing water online after depanning, acquisition squeeze wood, 7）By water quenching after ingot casting solution treatment, then artificial aging processing is carried out, be air-cooled to room temperature, obtain aluminium alloy pipe.
Description
Technical field
The present invention relates to the accessory technical field of small arms, particularly rifle scope aluminum alloy materials and its system
Preparation Method.
Background technology
Higher and higher to the weight demands of firearms with the development of firearms, which using many new materials includes aluminium alloy
Material, present rifle scope aluminum alloy materials are largely that 6061 aluminum alloy materials are marked by mould and extruder by army, are squeezed
Tubing is pressed into, then carries out reaming to aluminium alloy pipe both ends；Horn mouth is formed, is finally used for making rifle sighting device.6061
Situations such as aluminium alloy must have high intensity, but elongation percentage is not fortunately often cracking during reaming and use enough.
The invention discloses a kind of high intensity, hardness is high, wearability is good, good percentage elongation rifle scope aluminium alloy material
The preparation method of material.
The content of the invention
To solve the above-mentioned problems, the present invention provides a kind of rifle scope aluminum alloy materials and preparation method thereof.
Rifle scope aluminum alloy materials, include the component of following percentage：
Si：0.4 ~ 0.6%,
Mg：0.8 ~ 1.1%,
Cu：0.2 ~ 0.3%,
Cr：0.6 ~ 1.0%,
Mn：1.0 ~ 1.2%,
La：0.5 ~ 0.8%,
Fe：0 ~ 0.3%,
Ti：0 ~ 0.04%,
Surplus is Al and impurity.
Its preparation method of rifle scope aluminum alloy materials, comprises the following steps：
（1）Each metal material is taken by weight, and the component composition and percentage by weight of each metal material are Si：0.4 ~ 0.6%, Mg：
0.8 ~ 1.1%, Cu：0.2 ~ 0.3%, Cr：0.6 ~ 1.0%, Mn：1.0 ~ 1.2%, La：0.5 ~ 0.8%, Fe：0 ~ 0.3%, Ti：0~
0.04%, surplus Al；
（2）Above-mentioned each material is all thrown to high temperature melting furnace, improves molten in-furnace temperature, when temperature reaches 600 ~ 700 DEG C, is used
Refining flux, main component are villaumite and villiaumite, and the gas that villaumite or villiaumite produce can be adsorbed in melt in floating-upward process
Impurity or hydrogen, are removed the gred, are vented；This process usually requires to continuously stir；
（3）After solution is stirred evenly, temperature is risen to 730 ~ 750 DEG C；
（4）The metal of melt lower part is gently mixed with stirring rod, when lower metal floats up to crucible top, carries out semicontinuous casting
Make acquisition ingot casting；
（5）Solution is subjected to Homogenization Treatments；
（6）Then ingot casting carries out hot extrusion deformation, is carried out after depanning when insulation 1 ~ 2 is small in the case that temperature is 480 ~ 510 DEG C
It is online to wear water, obtain squeeze wood；
（7）By water quenching after ingot casting solution treatment, then artificial aging processing is carried out, be air-cooled to room temperature, obtain aluminium alloy pipe.
The invention has the beneficial effects that：Rare earth element is very active, easily with gas（Such as hydrogen）, it is nonmetallic（Such as sulphur）
And metal function generates corresponding stable compound, the metallographic structure of aluminium alloy can be significantly improved, crystal grain thinning, removes aluminium and close
Gas and objectionable impurities in gold, reduce the formation of crack of aluminium alloy, so as to improve the intensity of aluminium alloy, improve processing performance, moreover it is possible to
Improve heat resistance, plasticity and the malleability of aluminium alloy, improve hardness, increase intensity and toughness,（1）Tensile property improves the last 5%
460 ~ 500MPa is spent, elongation percentage increases to >=12% by >=8%；（2）Cr and La elements increase intensity and tough is added in aluminium alloy
Property；（3）Lightweight is realized while the quality of firearms is improved.
Embodiment
With reference to embodiment, the invention will be further described.
Embodiment 1
（1）Each metal material is taken by weight, and the component composition and percentage by weight of each metal material are Si：0.4%, Mg：0.8%,
Cu：0.2%, Cr：0.6%, Mn：1.0%, La：0.5%, Fe：0.1%, Ti：0.01%, surplus Al；
（2）Above-mentioned each material is all thrown to high temperature melting furnace, improves molten in-furnace temperature, when temperature reaches 600 DEG C, uses refining
Flux, main component are villaumite and villiaumite, and the gas that villaumite or villiaumite produce can adsorb the impurity in melt in floating-upward process
Or hydrogen, removed the gred, be vented；This process usually requires to continuously stir；
（3）After solution is stirred evenly, temperature is risen to 730 DEG C；
（4）The metal of melt lower part is gently mixed with stirring rod, when lower metal floats up to crucible top, carries out semicontinuous casting
Make acquisition ingot casting；
（5）Solution is subjected to Homogenization Treatments；
（6）Then ingot casting carries out hot extrusion deformation, is worn online after depanning when insulation 1 is small in the case that temperature is 480 DEG C
Water, obtains squeeze wood；
（7）By water quenching after ingot casting solution treatment, then artificial aging processing is carried out, be air-cooled to room temperature, obtain aluminium alloy pipe.
Embodiment 2
（1）Each metal material is taken by weight, and the component composition and percentage by weight of each metal material are Si：0.45%, Mg：0.9%,
Cu：0.23%, Cr：0.7%, Mn：1.05%, La：0.6%, Fe：0.2%, Ti：0.02%, surplus Al；
（2）Above-mentioned each material is all thrown to high temperature melting furnace, improves molten in-furnace temperature, when temperature reaches 630 DEG C, uses refining
Flux, main component are villaumite and villiaumite, and the gas that villaumite or villiaumite produce can adsorb the impurity in melt in floating-upward process
Or hydrogen, removed the gred, be vented；This process usually requires to continuously stir；
（3）After solution is stirred evenly, temperature is risen to 735 DEG C；
（4）The metal of melt lower part is gently mixed with stirring rod, when lower metal floats up to crucible top, carries out semicontinuous casting
Make acquisition ingot casting；
（5）Solution is subjected to Homogenization Treatments；
（6）Then ingot casting carries out hot extrusion deformation when insulation 1.5 is small in the case that temperature is 490 DEG C, carried out after depanning online
Water is worn, obtains squeeze wood；
（7）By water quenching after ingot casting solution treatment, then artificial aging processing is carried out, be air-cooled to room temperature, obtain aluminium alloy pipe.
Embodiment 3
（1）Each metal material is taken by weight, and the component composition and percentage by weight of each metal material are Si：0.5%, Mg：0.10%,
Cu：0.25%, Cr：0.8%, Mn：1.1%, La：0.7%, Fe：0.25%, Ti：0.03%, surplus Al；
（2）Above-mentioned each material is all thrown to high temperature melting furnace, improves molten in-furnace temperature, when temperature reaches 670 DEG C, uses refining
Flux, main component are villaumite and villiaumite, and the gas that villaumite or villiaumite produce can adsorb the impurity in melt in floating-upward process
Or hydrogen, removed the gred, be vented；This process usually requires to continuously stir；
（3）After solution is stirred evenly, temperature is risen to 740 DEG C；
（4）The metal of melt lower part is gently mixed with stirring rod, when lower metal floats up to crucible top, carries out semicontinuous casting
Make acquisition ingot casting；
（5）Solution is subjected to Homogenization Treatments；
（6）Then ingot casting carries out hot extrusion deformation when insulation 1.7 is small in the case that temperature is 500 DEG C, carried out after depanning online
Water is worn, obtains squeeze wood；
（7）By water quenching after ingot casting solution treatment, then artificial aging processing is carried out, be air-cooled to room temperature, obtain aluminium alloy pipe.
Embodiment 4
（1）Each metal material is taken by weight, and the component composition and percentage by weight of each metal material are Si：0.6%, Mg：
1.1%, Cu：0.3%, Cr：1.0%, Mn：1.2%, La：0.8%, Fe：0.3%, Ti：0.04%, surplus Al；
（2）Above-mentioned each material is all thrown to high temperature melting furnace, improves molten in-furnace temperature, when temperature reaches 700 DEG C, uses refining
Flux, main component are villaumite and villiaumite, and the gas that villaumite or villiaumite produce can adsorb the impurity in melt in floating-upward process
Or hydrogen, removed the gred, be vented；This process usually requires to continuously stir；
（3）After solution is stirred evenly, temperature is risen to 750 DEG C；
（4）The metal of melt lower part is gently mixed with stirring rod, when lower metal floats up to crucible top, carries out semicontinuous casting
Make acquisition ingot casting；
（5）Solution is subjected to Homogenization Treatments；
（6）Then ingot casting carries out hot extrusion deformation, is worn online after depanning when insulation 2 is small in the case that temperature is 510 DEG C
Water, obtains squeeze wood；
（7）By water quenching after ingot casting solution treatment, then artificial aging processing is carried out, be air-cooled to room temperature, obtain aluminium alloy pipe.
Claims (2)
1. rifle scope aluminum alloy materials, it is characterised in that：Include the component of following percentage：
Si：0.4 ~ 0.6%,
Mg：0.8 ~ 1.1%,
Cu：0.2 ~ 0.3%,
Cr：0.6 ~ 1.0%,
Mn：1.0 ~ 1.2%,
La：0.5 ~ 0.8%,
Fe：0 ~ 0.3%,
Ti：0 ~ 0.04%,
Surplus is Al and impurity.
2. its preparation method of rifle scope aluminum alloy materials according to claim 1, it is characterised in that：Including under
Row step：
（1）Each metal material is taken by weight, and the component composition and percentage by weight of each metal material are Si：0.4 ~ 0.6%, Mg：
0.8 ~ 1.1%, Cu：0.2 ~ 0.3%, Cr：0.6 ~ 1.0%, Mn：1.0 ~ 1.2%, La：0.5 ~ 0.8%, Fe：0 ~ 0.3%, Ti：0~
0.04%, surplus Al；
（2）Above-mentioned each material is all thrown to high temperature melting furnace, improves molten in-furnace temperature, when temperature reaches 600 ~ 700 DEG C, is used
Refining flux, main component are villaumite and villiaumite, and the gas that villaumite or villiaumite produce can be adsorbed in melt in floating-upward process
Impurity or hydrogen, are removed the gred, are vented；This process usually requires to continuously stir；
（3）After solution is stirred evenly, temperature is risen to 730 ~ 750 DEG C；
（4）The metal of melt lower part is gently mixed with stirring rod, when lower metal floats up to crucible top, carries out semicontinuous casting
Make acquisition ingot casting；
（5）Solution is subjected to Homogenization Treatments；
（6）Then ingot casting carries out hot extrusion deformation, is carried out after depanning when insulation 1 ~ 2 is small in the case that temperature is 480 ~ 510 DEG C
It is online to wear water, obtain squeeze wood；
（7）By water quenching after ingot casting solution treatment, then artificial aging processing is carried out, be air-cooled to room temperature, obtain aluminium alloy pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711279467.4A CN107964612A (en) | 2017-12-06 | 2017-12-06 | Rifle scope aluminum alloy materials and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711279467.4A CN107964612A (en) | 2017-12-06 | 2017-12-06 | Rifle scope aluminum alloy materials and preparation method thereof |
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| CN107964612A true CN107964612A (en) | 2018-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711279467.4A Pending CN107964612A (en) | 2017-12-06 | 2017-12-06 | Rifle scope aluminum alloy materials and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102296201A (en) * | 2011-09-02 | 2011-12-28 | 贵州航天风华精密设备有限公司 | Degassing method for refining cast aluminum alloy |
| CN102400005A (en) * | 2011-11-05 | 2012-04-04 | 镁联科技（芜湖）有限公司 | Cast aluminum alloy refining treatment device and refining method thereof |
| CN103484736A (en) * | 2013-10-10 | 2014-01-01 | 东北大学 | Ultrahigh strength 6000 series aluminium alloy and preparation method thereof |
-
2017
- 2017-12-06 CN CN201711279467.4A patent/CN107964612A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102296201A (en) * | 2011-09-02 | 2011-12-28 | 贵州航天风华精密设备有限公司 | Degassing method for refining cast aluminum alloy |
| CN102400005A (en) * | 2011-11-05 | 2012-04-04 | 镁联科技（芜湖）有限公司 | Cast aluminum alloy refining treatment device and refining method thereof |
| CN103484736A (en) * | 2013-10-10 | 2014-01-01 | 东北大学 | Ultrahigh strength 6000 series aluminium alloy and preparation method thereof |
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Application publication date: 20180427 |