CN110760721A - Aluminum alloy and production method thereof - Google Patents
Aluminum alloy and production method thereof Download PDFInfo
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- CN110760721A CN110760721A CN201911156370.3A CN201911156370A CN110760721A CN 110760721 A CN110760721 A CN 110760721A CN 201911156370 A CN201911156370 A CN 201911156370A CN 110760721 A CN110760721 A CN 110760721A
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Abstract
The invention relates to the technical field of aluminum alloy production, and discloses an aluminum alloy which comprises the following components in percentage by mass: 9-10% of silicon, 0-0.14% of iron, 0-0.05% of copper, 0.52-0.58% of manganese, 0-0.05% of magnesium, 0-0.05% of zinc, 0.05-0.10% of titanium, 0.12-0.18% of zirconium, 0.10-0.25% of molybdenum, 0.008-0.02% of strontium, 0-0.09% of vanadium, the total content of other elements is less than or equal to 0.15%, the content of a single element is less than 0.05%, and the balance of aluminum. The invention discloses a novel aluminum alloy and a production method thereof.
Description
Technical Field
The invention relates to the technical field of aluminum alloy production, in particular to an aluminum alloy and a production method thereof.
Background
Aluminum alloys are the most widely used class of non-ferrous structural materials in industry and have found a number of applications in the aerospace, automotive, mechanical manufacturing, marine and chemical industries. The rapid development of industrial economy has increased the demand for welded structural members of aluminum alloys, so that the study on the weldability of aluminum alloys is also deepened, and the aluminum alloys are the most widely used alloys at present.
The main component of the aluminum alloy is aluminum, and then various other elements such as iron, copper, magnesium and the like are contained in the aluminum alloy, and the aluminum alloy also shows various properties according to the types and the contents of the elements in the aluminum alloy, and can be applied to various scenes according to the different properties.
Disclosure of Invention
The object of the present invention is to provide a new aluminium alloy and a method for its production.
The technical purpose of the invention is realized by the following technical scheme: an aluminum alloy comprises the following components in percentage by mass:
the invention also provides a method for producing the aluminum alloy, which comprises the following steps:
s1, taking 140-150 parts of aluminum with the iron content lower than 0.08% by mass, and heating to 730-740 ℃ to completely melt the aluminum;
s2, stirring the molten aluminum liquid for more than 1 min;
s3, keeping the temperature of the aluminum liquid at 730-;
s4, heating the aluminum liquid to 770 ℃ below zero in one minute, adding 16-17.5 parts of 3303 metal silicon into the aluminum liquid by mass, cooling to 740 ℃ below zero in 730 steps after the 3303 metal silicon is added, and stirring for 15-20 min;
s5, adjusting the temperature of the aluminum liquid to 740-760 ℃, adding 1.4-1.6 parts of aluminum-titanium alloy, 2.4-2.8 parts of aluminum-zirconium alloy, 2.4-2.6 parts of aluminum-molybdenum alloy, 1.4-1.6 parts of aluminum-vanadium alloy and 1.3-1.4 parts of manganese into the aluminum liquid by mass parts, and stirring until the materials are completely melted, wherein the content of titanium in the aluminum-titanium alloy is 9-11%, the content of zirconium in the aluminum-zirconium alloy is 9-11%, the content of iron is lower than 0.4%, the content of molybdenum in the aluminum-molybdenum alloy is 9-11%, the content of iron is lower than 0.45%, the content of vanadium in the aluminum-vanadium alloy is 4.5-5.5%, and the content of iron is lower than 0.2%;
s6, adjusting the temperature of the aluminum liquid to 730 plus 740 ℃, adding 1-2 parts of refining agent into the aluminum liquid according to the mass parts, stirring and refining for 3-5min, standing for 8-12min, and removing scum on the surface of the aluminum liquid after standing is finished;
s7, adjusting the temperature of the aluminum liquid to 720-730 ℃, adding 0.65-0.75 part of strontium-aluminum alloy into the aluminum liquid according to the mass part, stirring, and standing for 12-18min, wherein the strontium content in the strontium-aluminum alloy is 9-11%;
s8, adjusting the temperature of the aluminum liquid to 730 plus 740 ℃, adding 1-2 parts of refining agent into the aluminum liquid according to the mass parts, stirring and refining for 3-5min, standing for 3-5min, and removing scum on the surface of the aluminum liquid after standing is finished;
s9, degassing the aluminum liquid for 15-20min, and standing for 30-35min after degassing;
and S10, casting and molding.
The invention further provides that the aluminum in the S1 is electrolytic aluminum.
The invention is further configured that, in the processes of S1 and S2, 3303 metal silicon, aluminum-titanium alloy, aluminum-zirconium alloy, aluminum-molybdenum alloy, aluminum-vanadium alloy, manganese and aluminum-strontium alloy are preheated and dried at the same time.
The invention is further set that when the refining agent is added into the molten aluminum, the refining agent is firstly added into the refining tank in S6 and S8, then the refining agent is blown into the molten aluminum from the refining tank through the refining powder spraying pipe by inert gas with the pressure of 0.2-0.3Mpa, and the height of the bubble formed at the top of the molten aluminum is lower than 10 cm.
The invention is further set that after S6 is finished, an aluminum liquid sample is taken for detection, if the content of each element is not in the standard range, the corresponding element needs to be adjusted and then the subsequent steps are carried out, and if each element is in the standard range, the subsequent steps can be directly carried out.
The invention is further set that when degassing in the step S9, the temperature of the aluminum liquid is firstly adjusted to 710-740 ℃, then argon or nitrogen with the pressure of 0.2-0.3Mpa is input into the aluminum liquid, wherein the degassing time is 3-5min, and the height of bubbles formed on the top of the aluminum liquid is lower than 10 cm.
The method is further set to take part of the aluminum liquid to cast into a detection sample after S9 is finished, carry out pinhole degree detection on the detection sample, repeat S9 if the detection sample is unqualified, take the detection sample after each repetition to carry out pinhole degree detection, and carry out the subsequent steps until the pinhole degree is qualified.
The method is further set to take part of the aluminum liquid to cast into a detection sample after S9 is finished, carry out fracture detection on the detection sample, detect whether the port contains slag and the organization condition, if the port is unqualified, repeat S8, take the detection sample after each repetition to carry out fracture detection, and carry out S10 until the fracture is qualified.
The invention further provides that the S10 is kept standing for 30min before casting.
The invention has the beneficial effects that: the aluminum alloy is subjected to fine adjustment of material components, and the mechanical property is controlled to meet the requirement. Meanwhile, the change condition of the strontium content is controlled, and product pinholes are controlled, so that the influence on the plasticity of the aluminum alloy due to burning loss is prevented. And the aluminum alloy has high specific strength, specific modulus, heat resistance, fatigue resistance and good physical properties. The refining effect of the trace alloy elements on the structure of the alloy fully improves the mechanical property of the alloy and obviously improves the plasticity of the alloy. The alloy can be used for die casting production without special treatment, and is a high-toughness alloy.
Drawings
FIG. 1 is a detection view of a first embodiment of an aluminum alloy of the present invention;
FIG. 2 is a detection view of a second aluminum alloy embodiment of the present invention;
FIG. 3 is a detection diagram of a third embodiment of an aluminum alloy of the present invention.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
Example 1
A method for producing an aluminum alloy, comprising the steps of:
s1, taking 140 parts by mass of aluminum with the iron content (wherein, the contents of all elements refer to the mass content, the same below) of 0.06%, heating to 740 ℃, and completely melting the aluminum;
s2, stirring the molten aluminum liquid for 2 min;
s3, keeping the temperature of the aluminum liquid at 740 ℃, adding 0.3 part of sodium-free slagging medium into the aluminum liquid according to the mass part, and removing scum on the surface of the aluminum liquid;
s4, heating the aluminum liquid to 770 ℃ within one minute, adding 16 parts by mass of 3303 metal silicon into the aluminum liquid, cooling to 740 ℃ after the 3303 metal silicon is added, and stirring for 15 min;
s5, adjusting the temperature of the aluminum liquid to 760 ℃, adding 1.4 parts of aluminum-titanium alloy, 2.8 parts of aluminum-zirconium alloy, 2.4 parts of aluminum-molybdenum alloy, 1.6 parts of aluminum-vanadium alloy and 1.3 parts of manganese into the aluminum liquid by mass, and stirring until the materials are completely melted, wherein the content of titanium in the aluminum-titanium alloy is 11%, the content of zirconium in the aluminum-zirconium alloy is 9%, the content of iron is 0.2%, the content of molybdenum in the aluminum-molybdenum alloy is 11%, the content of iron is 0.4%, the content of vanadium in the aluminum-vanadium alloy is 4.5%, and the content of iron is 0.1%;
s6, adjusting the temperature of the aluminum liquid to 740 ℃, adding 1 part of refining agent (the refining agent is Shanghai rainbow light sodium-free refining agent, the same below) into the aluminum liquid according to the mass part, stirring and refining for 5min, standing for 8min, and removing scum on the surface of the aluminum liquid after standing is finished;
s7, adjusting the temperature of the aluminum liquid to 730 ℃, adding 0.65 part of aluminum-strontium alloy into the aluminum liquid according to the mass part, stirring, and standing for 18min, wherein the strontium content in the aluminum-strontium alloy is 9%;
s8, adjusting the temperature of the aluminum liquid to 740 ℃, adding 1 part of refining agent into the aluminum liquid according to the mass part, stirring and refining for 5min, standing for 3min, and removing scum on the surface of the aluminum liquid after standing is finished;
s9, degassing the aluminum liquid for 20min, and standing for 30min after degassing;
and S10, casting and molding.
The aluminum in the S1 is electrolytic aluminum.
And in the processes of S1 and S2, 3303 metal silicon, aluminum-titanium alloy, aluminum-zirconium alloy, aluminum-molybdenum alloy, aluminum-vanadium alloy, manganese and aluminum-strontium alloy are preheated and dried at the same time.
And when the refining agent is added into the molten aluminum, the refining agent is firstly added into a refining tank, then the refining agent is blown into the molten aluminum from the refining tank through a refining powder spraying pipe by inert gas with the pressure of 0.3Mpa, and the height of bubbles formed at the top of the molten aluminum is lower than 10 cm.
And (8) detecting the aluminum liquid sample after the S6 is finished, if the content of each element is not in the standard range, adjusting the corresponding element and then carrying out the subsequent steps, and if each element is in the standard range, directly carrying out the subsequent steps. The adjusting method comprises the following steps: if the content of a certain element is lower than a set value, the corresponding element or the corresponding alloy is supplemented; if the content of one element is higher than the set value, other elements are added; if the Ti content is too high, the waste ingot is directly cast (for example, if the Ti content is not enough, the aluminum-titanium alloy is supplemented after calculation, if the Ti content is too high, electrolytic aluminum is added to reduce the Ti content and supplement other elements, and if the Ti content is too high, the waste ingot is directly cast).
And during degassing in the step S9, firstly adjusting the temperature of the aluminum liquid to 710 ℃, then inputting argon with the pressure of 0.3Mpa into the aluminum liquid, wherein the degassing time is 3min, and the height of bubbles formed at the top of the aluminum liquid is lower than 10 cm.
And S9, taking part of the aluminum liquid after the completion of the step S, casting the aluminum liquid into a detection sample, carrying out pinhole degree detection on the detection sample, repeating the step S9 if the detection sample is not qualified, taking the detection sample after each repetition, carrying out pinhole degree detection, and carrying out subsequent steps until the pinhole degree is qualified.
And S9, taking part of the aluminum liquid after the completion of the step S9, casting the aluminum liquid into a detection sample, carrying out fracture detection on the detection sample, detecting whether a port contains slag and the organization condition, repeating the step S8 if the port is unqualified, taking the detection sample after each repetition, carrying out fracture detection, and carrying out S10 until the fracture is qualified.
The S10 is allowed to stand for 30min before casting.
Wherein, by detecting each component of the aluminum alloy prepared by the method, the conclusion is as follows:
the aluminum alloy comprises the following components in percentage by mass:
example 2
A method for producing an aluminum alloy, comprising the steps of:
s1, taking 150 parts by mass of aluminum with the iron content of 0.04%, heating to 730 ℃, and completely melting the aluminum;
s2, stirring the molten aluminum liquid for 2.5 min;
s3, keeping the temperature of the aluminum liquid at 730 ℃, adding 0.5 part of sodium-free slagging medium into the aluminum liquid according to the mass part, and removing scum on the surface of the aluminum liquid;
s4, heating the aluminum liquid to 760 ℃ within one minute, adding 17.5 parts of 3303 metal silicon into the aluminum liquid by mass, cooling to 730 ℃ after the 3303 metal silicon is added, and stirring for 20 min;
s5, adjusting the temperature of the aluminum liquid to 740 ℃, adding 1.6 parts of aluminum-titanium alloy, 2.4 parts of aluminum-zirconium alloy, 2.6 parts of aluminum-molybdenum alloy, 1.4 parts of aluminum-vanadium alloy and 1.4 parts of manganese into the aluminum liquid by mass, and stirring until the materials are completely melted, wherein the content of titanium in the aluminum-titanium alloy is 9.3%, the content of zirconium in the aluminum-zirconium alloy is 10%, the content of iron is 0.28%, the content of molybdenum in the aluminum-molybdenum alloy is 9.5%, the content of iron is 0.35%, the content of vanadium in the aluminum-vanadium alloy is 5.2%, and the content of iron is 0.16%;
s6, adjusting the temperature of the aluminum liquid to 730 ℃, adding 2 parts of refining agent into the aluminum liquid according to the mass parts, stirring and refining for 3min, standing for 12min, and removing scum on the surface of the aluminum liquid after standing is finished;
s7, adjusting the temperature of the aluminum liquid to 720 ℃, adding 0.68 part of aluminum-strontium alloy into the aluminum liquid according to the mass part, stirring, and standing for 12min, wherein the strontium content in the aluminum-strontium alloy is 10.8%;
s8, adjusting the temperature of the aluminum liquid to 730 ℃, adding 2 parts of refining agent into the aluminum liquid according to the mass parts, stirring and refining for 3min, standing for 5min, and removing scum on the surface of the aluminum liquid after standing is finished;
s9, degassing the aluminum liquid for 15min, and standing for 35min after degassing;
and S10, casting and molding.
The aluminum in the S1 is electrolytic aluminum.
And in the processes of S1 and S2, 3303 metal silicon, aluminum-titanium alloy, aluminum-zirconium alloy, aluminum-molybdenum alloy, aluminum-vanadium alloy, manganese and aluminum-strontium alloy are preheated and dried at the same time.
And when the refining agent is added into the molten aluminum, the refining agent is firstly added into a refining tank, then the refining agent is blown into the molten aluminum from the refining tank through a refining powder spraying pipe by inert gas with the pressure of 0.2Mpa, and the height of bubbles formed at the top of the molten aluminum is lower than 10 cm.
And (8) detecting the aluminum liquid sample after the S6 is finished, if the content of each element is not in the standard range, adjusting the corresponding element and then carrying out the subsequent steps, and if each element is in the standard range, directly carrying out the subsequent steps. The adjusting method comprises the following steps: if the content of a certain element is lower than a set value, the corresponding element or the corresponding alloy is supplemented; if the content of one element is higher than the set value, other elements are added; if the height is too high, the ingot is directly cast into a waste ingot.
And during degassing in the step S9, firstly adjusting the temperature of the aluminum liquid to 740 ℃, and then inputting nitrogen with the pressure of 0.2Mpa into the aluminum liquid, wherein the degassing time is 5min, and the height of bubbles formed at the top of the aluminum liquid is lower than 10 cm.
And S9, taking part of the aluminum liquid after the completion of the step S, casting the aluminum liquid into a detection sample, carrying out pinhole degree detection on the detection sample, repeating the step S9 if the detection sample is not qualified, taking the detection sample after each repetition, carrying out pinhole degree detection, and carrying out subsequent steps until the pinhole degree is qualified.
And S9, taking part of the aluminum liquid after the completion of the step S9, casting the aluminum liquid into a detection sample, carrying out fracture detection on the detection sample, detecting whether a port contains slag and the organization condition, repeating the step S8 if the port is unqualified, taking the detection sample after each repetition, carrying out fracture detection, and carrying out S10 until the fracture is qualified.
The S10 is allowed to stand for 30min before casting.
Wherein, by detecting each component of the aluminum alloy prepared by the method, the conclusion is as follows:
the aluminum alloy comprises the following components in percentage by mass:
example 3
A method for producing an aluminum alloy, comprising the steps of:
s1, taking 145 parts by mass of aluminum with the iron content of 0.03%, and heating to 735 ℃ to completely melt the aluminum;
s2, stirring the molten aluminum for 1.5 min;
s3, keeping the temperature of the aluminum liquid at 735 ℃, adding 0.4 part of sodium-free slagging medium into the aluminum liquid according to the mass part, and removing scum on the surface of the aluminum liquid;
s4, heating the aluminum liquid to 765 ℃ within one minute, adding 16.8 parts of 3303 metal silicon into the aluminum liquid according to the mass parts, cooling to 735 ℃ after the 3303 metal silicon is added, and stirring for 18 min;
s5, adjusting the temperature of the aluminum liquid to 750 ℃, adding 1.5 parts of aluminum-titanium alloy, 2.6 parts of aluminum-zirconium alloy, 2.5 parts of aluminum-molybdenum alloy, 1.5 parts of aluminum-vanadium alloy and 1.35 parts of manganese into the aluminum liquid by mass, and stirring until the materials are completely melted, wherein the content of titanium in the aluminum-titanium alloy is 9.8%, the content of zirconium in the aluminum-zirconium alloy is 10.2%, the content of iron is 0.35%, the content of molybdenum in the aluminum-molybdenum alloy is 10%, the content of iron is 0.33%, the content of vanadium in the aluminum-vanadium alloy is 5%, and the content of iron is 0.13%;
s6, adjusting the temperature of the aluminum liquid to 735 ℃, adding 1 part of refining agent into the aluminum liquid according to the mass part, stirring and refining for 4min, standing for 10min, and removing scum on the surface of the aluminum liquid after standing is finished;
s7, adjusting the temperature of the aluminum liquid to 735 ℃, adding 0.7 part of aluminum-strontium alloy into the aluminum liquid according to the mass part, stirring, and standing for 15min, wherein the strontium content in the aluminum-strontium alloy is 9.4%;
s8, adjusting the temperature of the aluminum liquid to 735 ℃, adding 1 part of refining agent into the aluminum liquid according to the mass part, stirring and refining for 4min, standing for 4min, and removing scum on the surface of the aluminum liquid after standing is finished;
s9, degassing the aluminum liquid for 18min, and standing for 32min after degassing;
and S10, casting and molding.
The aluminum in the S1 is electrolytic aluminum.
And in the processes of S1 and S2, 3303 metal silicon, aluminum-titanium alloy, aluminum-zirconium alloy, aluminum-molybdenum alloy, aluminum-vanadium alloy, manganese and aluminum-strontium alloy are preheated and dried at the same time.
And when the refining agent is added into the molten aluminum, the refining agent is firstly added into a refining tank, then the refining agent is blown into the molten aluminum from the refining tank through a refining powder spraying pipe by inert gas with the pressure of 0.25Mpa, and the height of bubbles formed at the top of the molten aluminum is lower than 10 cm.
And (8) detecting the aluminum liquid sample after the S6 is finished, if the content of each element is not in the standard range, adjusting the corresponding element and then carrying out the subsequent steps, and if each element is in the standard range, directly carrying out the subsequent steps. The adjusting method comprises the following steps: if the content of a certain element is lower than a set value, the corresponding element or the corresponding alloy is supplemented; if the content of one element is higher than the set value, other elements are added; if the height is too high, the ingot is directly cast into a waste ingot.
And during degassing in the step S9, firstly adjusting the temperature of the aluminum liquid to 725 ℃, and then inputting argon with the pressure of 0.25Mpa into the aluminum liquid, wherein the degassing time is 4min, and the height of bubbles formed at the top of the aluminum liquid is lower than 10 cm.
And S9, taking part of the aluminum liquid after the completion of the step S, casting the aluminum liquid into a detection sample, carrying out pinhole degree detection on the detection sample, repeating the step S9 if the detection sample is not qualified, taking the detection sample after each repetition, carrying out pinhole degree detection, and carrying out subsequent steps until the pinhole degree is qualified.
And S9, taking part of the aluminum liquid after the completion of the step S9, casting the aluminum liquid into a detection sample, carrying out fracture detection on the detection sample, detecting whether a port contains slag and the organization condition, repeating the step S8 if the port is unqualified, taking the detection sample after each repetition, carrying out fracture detection, and carrying out S10 until the fracture is qualified.
The S10 is allowed to stand for 30min before casting.
Wherein, by detecting each component of the aluminum alloy prepared by the method, the conclusion is as follows:
the aluminum alloy comprises the following components in percentage by mass:
the products of the first to third embodiments were sampled and tested, wherein the testing content is the tensile strength Rm(MPa), predetermined Plastic elongation Strength Rp0.2(MPa) and elongation after break A (%). Wherein the content of the first and second substances,
the detection temperature is 22.4 ℃, and the humidity is 64% RH;
the detection equipment is a microcomputer-controlled electronic universal tester CMT 5105;
the test standard is GB/T228.1-2010.
And (4) recording the result:
the test results are shown in fig. 1 to 3, respectively.
It should be noted that, in the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (10)
1. The aluminum alloy is characterized by comprising the following components in percentage by mass:
2. a method of producing the aluminum alloy of claim 1, wherein: the method comprises the following steps:
s1, taking 140-150 parts of aluminum with the iron content lower than 0.08% by mass, and heating to 730-740 ℃ to completely melt the aluminum;
s2, stirring the molten aluminum liquid for more than 1 min;
s3, keeping the temperature of the aluminum liquid at 730-;
s4, heating the aluminum liquid to 770 ℃ below zero in one minute, adding 16-17.5 parts of 3303 metal silicon into the aluminum liquid by mass, cooling to 740 ℃ below zero in 730 steps after the 3303 metal silicon is added, and stirring for 15-20 min;
s5, adjusting the temperature of the aluminum liquid to 740-760 ℃, adding 1.4-1.6 parts of aluminum-titanium alloy, 2.4-2.8 parts of aluminum-zirconium alloy, 2.4-2.6 parts of aluminum-molybdenum alloy, 1.4-1.6 parts of aluminum-vanadium alloy and 1.3-1.4 parts of manganese into the aluminum liquid by mass parts, and stirring until the materials are completely melted, wherein the content of titanium in the aluminum-titanium alloy is 9-11%, the content of zirconium in the aluminum-zirconium alloy is 9-11%, the content of iron is lower than 0.4%, the content of molybdenum in the aluminum-molybdenum alloy is 9-11%, the content of iron is lower than 0.45%, the content of vanadium in the aluminum-vanadium alloy is 4.5-5.5%, and the content of iron is lower than 0.2%;
s6, adjusting the temperature of the aluminum liquid to 730 plus 740 ℃, adding 1-2 parts of refining agent into the aluminum liquid according to the mass parts, stirring and refining for 3-5min, standing for 8-12min, and removing scum on the surface of the aluminum liquid after standing is finished;
s7, adjusting the temperature of the aluminum liquid to 720-730 ℃, adding 0.65-0.75 part of strontium-aluminum alloy into the aluminum liquid according to the mass part, stirring, and standing for 12-18min, wherein the strontium content in the strontium-aluminum alloy is 9-11%;
s8, adjusting the temperature of the aluminum liquid to 730 plus 740 ℃, adding 1-2 parts of refining agent into the aluminum liquid according to the mass parts, stirring and refining for 3-5min, standing for 3-5min, and removing scum on the surface of the aluminum liquid after standing is finished;
s9, degassing the aluminum liquid for 15-20min, and standing for 30-35min after degassing;
and S10, casting and molding.
3. A method of producing an aluminum alloy as set forth in claim 2, characterized in that: the aluminum in the S1 is electrolytic aluminum.
4. A method of producing an aluminum alloy as set forth in claim 2, characterized in that: and in the processes of S1 and S2, 3303 metal silicon, aluminum-titanium alloy, aluminum-zirconium alloy, aluminum-molybdenum alloy, aluminum-vanadium alloy, manganese and aluminum-strontium alloy are preheated and dried at the same time.
5. A method of producing an aluminum alloy as set forth in claim 2, characterized in that: when the refining agent is added into the molten aluminum, S6 and S8 are both to add the refining agent into the refining tank, then the refining agent is blown into the molten aluminum from the refining tank through the refining powder spraying pipe by inert gas with the pressure of 0.2-0.3Mpa, and the height of bubbles formed at the top of the molten aluminum is lower than 10 cm.
6. A method of producing an aluminum alloy as set forth in claim 2, characterized in that: and (8) detecting the aluminum liquid sample after the S6 is finished, if the content of each element is not in the standard range, adjusting the corresponding element and then carrying out the subsequent steps, and if each element is in the standard range, directly carrying out the subsequent steps.
7. A method of producing an aluminum alloy as set forth in claim 2, characterized in that: and during degassing in the step S9, firstly adjusting the temperature of the aluminum liquid to 710-740 ℃, and then inputting argon or nitrogen with the pressure of 0.2-0.3Mpa into the aluminum liquid, wherein the degassing time is 3-5min, and the height of bubbles formed at the top of the aluminum liquid is lower than 10 cm.
8. The method for producing an aluminum alloy according to claim 7, wherein: and S9, taking part of the aluminum liquid after the completion of the step S, casting the aluminum liquid into a detection sample, carrying out pinhole degree detection on the detection sample, repeating the step S9 if the detection sample is not qualified, taking the detection sample after each repetition, carrying out pinhole degree detection, and carrying out subsequent steps until the pinhole degree is qualified.
9. The method for producing an aluminum alloy according to claim 7, wherein: and S9, taking part of the aluminum liquid after the completion of the step S9, casting the aluminum liquid into a detection sample, carrying out fracture detection on the detection sample, detecting whether a port contains slag and the organization condition, repeating the step S8 if the port is unqualified, taking the detection sample after each repetition, carrying out fracture detection, and carrying out S10 until the fracture is qualified.
10. A method of producing an aluminum alloy as set forth in claim 2, characterized in that: the S10 is allowed to stand for 30min before casting.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114318083A (en) * | 2021-12-28 | 2022-04-12 | 东北轻合金有限责任公司 | Smelting preparation method suitable for Mo-containing 4000 series aluminum alloy ingot |
| CN115074584A (en) * | 2022-07-18 | 2022-09-20 | 昆山晶微新材料研究院有限公司 | Die-casting aluminum alloy and preparation method thereof |
| CN115161520A (en) * | 2022-06-07 | 2022-10-11 | 湖北新金洋资源股份公司 | High-strength and high-toughness heat-treatment-free casting aluminum alloy and preparation process thereof |
| CN115852214A (en) * | 2023-02-27 | 2023-03-28 | 南通鸿劲金属铝业有限公司 | Heat-treatable reinforced high-strength and high-toughness aluminum alloy and preparation method thereof |
| CN115961183A (en) * | 2023-03-09 | 2023-04-14 | 广东鸿图汽车零部件有限公司 | Heat treatment-free high-strength and high-toughness die-casting aluminum alloy and preparation method and product thereof |
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| JPH07197160A (en) * | 1994-01-10 | 1995-08-01 | Toyo Radiator Co Ltd | Complex brazing sheet for aluminum alloy-made heat exchanger |
| CN1537961A (en) * | 2003-01-23 | 2004-10-20 | ����Ѷ����������������ι�˾ | Casting alloy |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH07197160A (en) * | 1994-01-10 | 1995-08-01 | Toyo Radiator Co Ltd | Complex brazing sheet for aluminum alloy-made heat exchanger |
| CN1537961A (en) * | 2003-01-23 | 2004-10-20 | ����Ѷ����������������ι�˾ | Casting alloy |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114318083A (en) * | 2021-12-28 | 2022-04-12 | 东北轻合金有限责任公司 | Smelting preparation method suitable for Mo-containing 4000 series aluminum alloy ingot |
| CN115161520A (en) * | 2022-06-07 | 2022-10-11 | 湖北新金洋资源股份公司 | High-strength and high-toughness heat-treatment-free casting aluminum alloy and preparation process thereof |
| CN115074584A (en) * | 2022-07-18 | 2022-09-20 | 昆山晶微新材料研究院有限公司 | Die-casting aluminum alloy and preparation method thereof |
| CN115852214A (en) * | 2023-02-27 | 2023-03-28 | 南通鸿劲金属铝业有限公司 | Heat-treatable reinforced high-strength and high-toughness aluminum alloy and preparation method thereof |
| CN115961183A (en) * | 2023-03-09 | 2023-04-14 | 广东鸿图汽车零部件有限公司 | Heat treatment-free high-strength and high-toughness die-casting aluminum alloy and preparation method and product thereof |
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