阅读说明：本技术 一种铝锌合金锭铸件及其生产工艺 (Aluminum-zinc alloy ingot casting and production process thereof ) 是由 贲东建 裴新军 刘光磊 于 2020-12-01 设计创作，主要内容包括：本发明公开了一种铝锌合金锭铸件,原料按重量份比包括：铝30-50份、锌30-50份、镁15-25份、铜10-20份、铬5-15份、锰10-15份、钛8-12份、铁2-6份和锡6-10份,生产工艺,其生产工艺具体包括以下步骤:S1、将适量的锌置于坩埚中加热升温至450-460℃,抽真空后将温度升至830℃-850℃后,本发明涉及铸件生产技术领域。该铝锌合金锭铸件及其生产工艺,通过对铝锌合金成分含量的合理配置,不仅提高了铝锌合金的硬度,还保证了铝锌合金具有优异的整体力学性能,分多次添加合金原料,一定程度上避免了直接加锌锭熔化时发生大幅度温度变化,导致合金材料出现气泡和成分不稳定现象,优化了压铸工艺参数,最大限度提高了铝锌合金的性能,而且具备高硬度,高强度等显著的优点。(The invention discloses an aluminum-zinc alloy ingot casting which comprises the following raw materials in parts by weight: 30-50 parts of aluminum, 30-50 parts of zinc, 15-25 parts of magnesium, 10-20 parts of copper, 5-15 parts of chromium, 10-15 parts of manganese, 8-12 parts of titanium, 2-6 parts of iron and 6-10 parts of tin, and the production process specifically comprises the following steps of S1, heating a proper amount of zinc in a crucible to 450-460 ℃, vacuumizing, and raising the temperature to 830-850 ℃, wherein the invention relates to the technical field of casting production. According to the aluminum-zinc alloy ingot casting and the production process thereof, through reasonable configuration of the component content of the aluminum-zinc alloy, the hardness of the aluminum-zinc alloy is improved, the aluminum-zinc alloy is guaranteed to have excellent overall mechanical performance, alloy raw materials are added for many times, the phenomenon that the alloy material is foamed and unstable in components due to large-amplitude temperature change when the aluminum-zinc alloy ingot is directly added for melting is avoided to a certain extent, die-casting process parameters are optimized, the performance of the aluminum-zinc alloy is improved to the maximum extent, and the aluminum-zinc alloy ingot casting has the remarkable advantages of high hardness, high strength and the like.)

1. An aluminum-zinc alloy ingot casting is characterized in that: the raw materials comprise the following components in parts by weight: 30-50 parts of aluminum, 30-50 parts of zinc, 15-25 parts of magnesium, 10-20 parts of copper, 5-15 parts of chromium, 10-15 parts of manganese, 8-12 parts of titanium, 2-6 parts of iron and 6-10 parts of tin.

2. An aluminum-zinc alloy ingot casting as set forth in claim 1, characterized in that: the raw materials comprise the following components: 40 parts of aluminum, 40 parts of zinc, 20 parts of magnesium, 15 parts of copper, 10 parts of chromium, 12 parts of manganese, 10 parts of titanium, 4 parts of iron and 8 parts of tin.

3. An aluminum-zinc alloy ingot casting as set forth in claim 1, characterized in that: the raw materials comprise the following components: 30 parts of aluminum, 30 parts of zinc, 15 parts of magnesium, 10 parts of copper, 5 parts of chromium, 10 parts of manganese, 8-12 parts of titanium, 2 parts of iron and 6 parts of tin.

4. An aluminum-zinc alloy ingot casting as set forth in claim 1, characterized in that: the raw materials comprise the following components: 50 parts of aluminum, 50 parts of zinc, 25 parts of magnesium, 20 parts of copper, 15 parts of chromium, 15 parts of manganese, 12 parts of titanium, 6 parts of iron and 10 parts of tin.

5. A production process of an aluminum-zinc alloy ingot casting is characterized by comprising the following steps: the method specifically comprises the following steps:

s1, placing a proper amount of zinc in a crucible, heating to 450-460 ℃, vacuumizing, heating to 830-850 ℃, adding a proper amount of aluminum and copper, placing in the middle until the zinc melts completely, stirring uniformly, cooling to 620-630 ℃, adding a proper amount of magnesium, filling inert gas for uniform mixing, heating the melt to 700-720 ℃, adding a refining agent in the crucible alloy liquid for refining, adding a proper amount of chromium, manganese and iron, stirring continuously, heating the temperature in the crucible to 750-780 ℃, stirring for 1-2 hours, adding the rest titanium and tin, stirring continuously, keeping the temperature at 750-780 ℃, and stirring for 1-2 hours to obtain a mixed solution;

s2, when the temperature of the mixed solution reaches 710-730 ℃, refining and degassing by using a rotary degassing machine, adjusting the temperature of the mixed solution to 690-700 ℃, standing for 30-40 minutes, adjusting the temperature of the mixed solution to 730 ℃ and pouring;

s3, conveying the aluminum alloy solution in the melting furnace from the melting furnace to a quantitative beaker by using a mechanical material spoon with scales, driving a rotating rod to rotate at a high speed by using a driving motor on a centrifugal casting machine, pouring the mixed solution into a casting mold through a casting pipe and a pouring gate, throwing the metal liquid to the side wall of the casting mold under the driving of centrifugal force, closing air holes and shrinkage holes under the action of pressure to obtain a casting with a compact structure, and cooling the obtained casting in cooling water to carry out homogenization annealing treatment;

s4, placing the manufactured casting on a steel flat plate, trimming and cleaning the casting by using a machine, then polishing the periphery and the front and back surfaces of the alloy ingot by using abrasive paper, cleaning the alloy ingot by using absolute ethyl alcohol, and drying the alloy ingot after cleaning;

s5, packaging the prepared aluminum-zinc alloy ingot casting by using a soft material, and storing the aluminum-zinc alloy ingot casting in a cool and clean environment, wherein the environment is required to be damp-proof, sun-proof and acid-base salt corrosion-proof, the storage temperature is kept at 15-20 ℃, and the relative humidity is 10-15%.

6. A production process of an aluminum-zinc alloy ingot casting according to claim 5, characterized in that: in the step S1, the stirring speed is always controlled at 200-250 rpm, in the step S1, the refining agent is zinc chloride, the density of the zinc chloride is smaller than that of the alloy, the refining agent is pressed down by a bell jar to enable the refining agent to fully react with the alloy when being added, the refining agent is generally wrapped by paper and then pressed in, and after the refining is finished, the slag is removed by a slag removing spoon.

7. A production process of an aluminum-zinc alloy ingot casting according to claim 5, characterized in that: in the step S3, the centrifugal casting machine is a vertical centrifugal casting machine, the quantitative beaker is made of silicon dioxide, and in the step S3, the alloy structure is more uniform after homogenizing annealing, and the nonuniformity of chemical components in the grain size is reduced, so that the elongation percentage and the plasticity of the alloy casting are improved.

Technical Field

The invention relates to the technical field of casting production, in particular to an aluminum-zinc alloy ingot casting and a production process thereof.

Background

The zinc alloy is formed by adding other elements into zinc as a base, common alloy elements comprise low-temperature zinc alloys such as aluminum, copper, magnesium, cadmium, lead, titanium and the like, the zinc alloy has low melting point and good fluidity, is easy to weld, braze and plastically process, resists corrosion in the atmosphere, and is convenient for recovering and remelting residual wastes; the zinc alloy is divided into two types of deformation and casting zinc alloy according to the processing technology, the casting zinc alloy has better fluidity and corrosion resistance and is suitable for die-casting instruments, automobile part shells and the like, the zinc alloy is also called zinc-based alloy and is generally divided into binary alloy, ternary alloy and multicomponent alloy, and the binary zinc-based alloy generally refers to zinc-aluminum alloy; ternary zinc-based alloys generally refer to zinc-aluminum-copper alloys; the multi-element alloy generally refers to zinc-aluminum-copper and other trace metals, zinc-based alloy, zinc alloy and zinc-aluminum alloy are broad concepts, but not to concepts that the alloy can meet certain specific functions, for example, the zinc-aluminum alloy is divided into low-aluminum-zinc-based alloy, medium-aluminum-zinc-based alloy and high-aluminum-zinc-based alloy according to the content of aluminum, and the performance of the low-aluminum-zinc-based alloy, medium-aluminum-zinc-based alloy and high-aluminum-zinc-based alloy are different although the zinc-aluminum alloy is used.

During the casting of traditional aluminium zinc alloy foundry goods, can produce gas pocket bubble, shrinkage porosity and crackle scheduling problem, lead to the surface not smooth, foundry goods tissue is loose etc. influences foundry goods performance and life, has the hardness low, bubble and form unstable phenomenon can appear often in the die-casting in-process for the zinc alloy foundry goods qualification rate is not high, is difficult to satisfy the industrial demand.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an aluminum-zinc alloy ingot casting and a production process thereof, which solve the problems that the traditional aluminum-zinc alloy casting can generate air holes, bubbles, shrinkage porosity, cracks and the like during casting, the surface is not smooth, the casting structure is loose, the performance and the service life of the casting are influenced, the hardness is low, the phenomena of bubbles and unstable form often occur in the die-casting process, the qualified rate of the zinc alloy casting is low, and the industrial requirement is difficult to meet.

In order to achieve the purpose, the invention is realized by the following technical scheme: an aluminum-zinc alloy ingot casting comprises the following raw materials in parts by weight: 30-50 parts of aluminum, 30-50 parts of zinc, 15-25 parts of magnesium, 10-20 parts of copper, 5-15 parts of chromium, 10-15 parts of manganese, 8-12 parts of titanium, 2-6 parts of iron and 6-10 parts of tin.

Preferably, the raw materials comprise the following components: 40 parts of aluminum, 40 parts of zinc, 20 parts of magnesium, 15 parts of copper, 10 parts of chromium, 12 parts of manganese, 10 parts of titanium, 4 parts of iron and 8 parts of tin.

Preferably, the raw materials comprise the following components: 30 parts of aluminum, 30 parts of zinc, 15 parts of magnesium, 10 parts of copper, 5 parts of chromium, 10 parts of manganese, 8-12 parts of titanium, 2 parts of iron and 6 parts of tin.

Preferably, the raw materials comprise the following components: 50 parts of aluminum, 50 parts of zinc, 25 parts of magnesium, 20 parts of copper, 15 parts of chromium, 15 parts of manganese, 12 parts of titanium, 6 parts of iron and 10 parts of tin.

The invention also discloses a production process of the aluminum-zinc alloy ingot casting, which specifically comprises the following steps:

s1, placing a proper amount of zinc in a crucible, heating to 450-460 ℃, vacuumizing, heating to 830-850 ℃, adding a proper amount of aluminum and copper, placing in the middle until the zinc melts completely, stirring uniformly, cooling to 620-630 ℃, adding a proper amount of magnesium, filling inert gas for uniform mixing, heating the melt to 700-720 ℃, adding a refining agent in the crucible alloy liquid for refining, adding a proper amount of chromium, manganese and iron, stirring continuously, heating the temperature in the crucible to 750-780 ℃, stirring for 1-2 hours, adding the rest titanium and tin, stirring continuously, keeping the temperature at 750-780 ℃, and stirring for 1-2 hours to obtain a mixed solution;

s2, when the temperature of the mixed solution reaches 710-730 ℃, refining and degassing by using a rotary degassing machine, adjusting the temperature of the mixed solution to 690-700 ℃, standing for 30-40 minutes, adjusting the temperature of the mixed solution to 730 ℃ and pouring;

s3, conveying the aluminum alloy solution in the melting furnace from the melting furnace to a quantitative beaker by using a mechanical material spoon with scales, driving a rotating rod to rotate at a high speed by using a driving motor on a centrifugal casting machine, pouring the mixed solution into a casting mold through a casting pipe and a pouring gate, throwing the metal liquid to the side wall of the casting mold under the driving of centrifugal force, closing air holes and shrinkage holes under the action of pressure to obtain a casting with a compact structure, and cooling the obtained casting in cooling water to carry out homogenization annealing treatment;

s4, placing the manufactured casting on a steel flat plate, trimming and cleaning the casting by using a machine, then polishing the periphery and the front and back surfaces of the alloy ingot by using abrasive paper, cleaning the alloy ingot by using absolute ethyl alcohol, and drying the alloy ingot after cleaning;

s5, packaging the prepared aluminum-zinc alloy ingot casting by using a soft material, and storing the aluminum-zinc alloy ingot casting in a cool and clean environment, wherein the environment is required to be damp-proof, sun-proof and acid-base salt corrosion-proof, the storage temperature is kept at 15-20 ℃, and the relative humidity is 10-15%.

Preferably, in the step S1, the stirring rate is always controlled at 200-250 rpm, and in the step S1, the refining agent is zinc chloride, since the density of the zinc chloride is smaller than that of the alloy, the refining agent is pressed by a bell jar to fully react with the alloy when being added, the refining agent is generally wrapped by paper and then pressed in, and after the refining is finished, the slag is removed by a slag removing ladle.

Preferably, in step S3, the centrifugal casting machine is a vertical centrifugal casting machine, the quantitative beaker is made of a silica material, and in step S3, the alloy structure is more uniform after the homogenization annealing, and the nonuniformity of chemical components in the grain size is reduced, so that the elongation percentage and the plasticity of the alloy casting are improved.

Advantageous effects

The invention provides an aluminum-zinc alloy ingot casting and a production process thereof. Compared with the prior art, the method has the following beneficial effects: the aluminum-zinc alloy ingot casting comprises the following raw materials in parts by weight: s1, putting a proper amount of zinc in a crucible, heating to 450-460 ℃, vacuumizing, heating to 830-850 ℃, adding a proper amount of aluminum and copper, adding a proper amount of magnesium, filling inert gas for uniform mixing, adding a refining agent in a crucible alloy liquid for refining, then adding a proper amount of chromium, manganese and iron, continuing stirring, adding the rest titanium and tin, and continuing stirring to obtain a mixed solution; s2, when the temperature of the mixed solution reaches 710-730 ℃, refining and degassing by using a rotary degassing machine, and then adjusting the temperature of the mixed solution to 730 ℃ for pouring; s3, conveying the aluminum alloy solution in the melting furnace from the melting furnace to a quantitative beaker by using a mechanical material spoon with scales, driving a rotating rod to rotate at a high speed by using a driving motor on a centrifugal casting machine, pouring the mixed solution into a casting mold through a casting pipe and a pouring gate, throwing the metal liquid to the side wall of the casting mold under the driving of centrifugal force, closing air holes and shrinkage holes under the action of pressure to obtain a casting with a compact structure, and cooling the obtained casting in cooling water to carry out homogenization annealing treatment; s4, placing the manufactured casting on a steel flat plate, trimming and cleaning the casting by using a machine, then polishing the periphery and the front and back surfaces of the alloy ingot by using abrasive paper, cleaning the alloy ingot by using absolute ethyl alcohol, and drying the alloy ingot after cleaning; s5, packaging the prepared aluminum-zinc alloy ingot casting by using a soft material, storing the aluminum-zinc alloy ingot casting in a cool clean environment, preventing moisture, sun and acid, alkali and salt corrosion, keeping the storage temperature at 15-20 ℃ and the relative humidity at 10-15%, reasonably configuring the content of the aluminum-zinc alloy components, improving the hardness of the aluminum-zinc alloy, ensuring that the aluminum-zinc alloy has excellent overall mechanical properties, adding the alloy raw materials for multiple times, avoiding the phenomena of bubbles and unstable components of the alloy material due to large temperature change when the zinc ingot is directly added for melting to a certain extent, optimizing die-casting process parameters, improving the performance of the aluminum-zinc alloy to the maximum extent, and having the remarkable advantages of high hardness, high strength and the like.

Detailed Description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides three technical schemes: an aluminum-zinc alloy ingot casting comprises the following raw materials in parts by weight: 30-50 parts of aluminum, 30-50 parts of zinc, 15-25 parts of magnesium, 10-20 parts of copper, 5-15 parts of chromium, 10-15 parts of manganese, 8-12 parts of titanium, 2-6 parts of iron and 6-10 parts of tin.

In the invention, 40 parts of aluminum, 40 parts of zinc, 20 parts of magnesium, 15 parts of copper, 10 parts of chromium, 12 parts of manganese, 10 parts of titanium, 4 parts of iron and 8 parts of tin.

In the invention, 30 parts of aluminum, 30 parts of zinc, 15 parts of magnesium, 10 parts of copper, 5 parts of chromium, 10 parts of manganese, 8-12 parts of titanium, 2 parts of iron and 6 parts of tin.

In the invention, 50 parts of aluminum, 50 parts of zinc, 25 parts of magnesium, 20 parts of copper, 15 parts of chromium, 15 parts of manganese, 12 parts of titanium, 6 parts of iron and 10 parts of tin.

A production process of an aluminum-zinc alloy ingot casting specifically comprises the following embodiments:

example 1

S1, placing 40 parts of zinc in a crucible, heating to 455 ℃, vacuumizing, raising the temperature to 840 ℃, adding 40 parts of aluminum and 15 parts of copper, placing the crucible in the middle until the zinc is completely melted, uniformly stirring, cooling to 625 ℃, adding 20 parts of magnesium, filling inert gas for uniform mixing, raising the temperature of a melt to 710 ℃, adding a refining agent in a crucible alloy liquid for refining, adding 10 parts of chromium, 12 parts of manganese and 4 parts of iron, continuously stirring, raising the temperature in the crucible to 765 ℃, stirring for 1.5 hours, adding the remaining 10 parts of titanium and 8 parts of tin, continuously stirring, keeping the temperature at 765 ℃, and stirring for 1.5 hours to obtain a mixed solution;

s2, when the temperature of the mixed solution reaches 720 ℃, refining and degassing by using a rotary degassing machine, adjusting the temperature of the mixed solution to 695 ℃, standing for 35 minutes, adjusting the temperature of the mixed solution to 730 ℃ and pouring;

s3, conveying the aluminum alloy solution in the melting furnace from the melting furnace to a quantitative beaker by using a mechanical material spoon with scales, driving a rotating rod to rotate at a high speed by using a driving motor on a centrifugal casting machine, pouring the mixed solution into a casting mold through a casting pipe and a pouring gate, throwing the metal liquid to the side wall of the casting mold under the driving of centrifugal force, closing air holes and shrinkage holes under the action of pressure to obtain a casting with a compact structure, and cooling the obtained casting in cooling water to carry out homogenization annealing treatment;

s4, placing the manufactured casting on a steel flat plate, trimming and cleaning the casting by using a machine, then polishing the periphery and the front and back surfaces of the alloy ingot by using abrasive paper, cleaning the alloy ingot by using absolute ethyl alcohol, and drying the alloy ingot after cleaning;

s5, packaging the prepared aluminum-zinc alloy ingot casting by using a soft material, and storing the aluminum-zinc alloy ingot casting in a cool and clean environment, wherein the environment is required to be damp-proof, sun-proof and acid-base salt corrosion-proof, the storage temperature is kept at 18 ℃, and the relative humidity is 12%.

Example 2

S1, placing 30 parts of zinc in a crucible, heating to 450 ℃, vacuumizing, raising the temperature to 830 ℃, adding 30 parts of aluminum and 10 parts of copper, placing the crucible in the middle until the zinc is completely melted, uniformly stirring, cooling to 620 ℃, adding 15 parts of magnesium, filling inert gas, uniformly mixing, raising the temperature of a melt to 700 ℃, adding a refining agent in a crucible alloy liquid for refining, adding 5 parts of chromium, 10 parts of manganese and 2 parts of iron, continuously stirring, raising the temperature in the crucible to 750 ℃, stirring for 1 hour, adding the remaining 8 parts of titanium and 6 parts of tin, continuously stirring, keeping the temperature at 750 ℃, and stirring for 1 hour to obtain a mixed solution;

s2, when the temperature of the mixed solution reaches 710 ℃, refining and degassing by using a rotary degassing machine, adjusting the temperature of the mixed solution to 690 ℃, standing for 30 minutes, adjusting the temperature of the mixed solution to 730 ℃ and pouring;

s3, conveying the aluminum alloy solution in the melting furnace from the melting furnace to a quantitative beaker by using a mechanical material spoon with scales, driving a rotating rod to rotate at a high speed by using a driving motor on a centrifugal casting machine, pouring the mixed solution into a casting mold through a casting pipe and a pouring gate, throwing the metal liquid to the side wall of the casting mold under the driving of centrifugal force, closing air holes and shrinkage holes under the action of pressure to obtain a casting with a compact structure, and cooling the obtained casting in cooling water to carry out homogenization annealing treatment;

s4, placing the manufactured casting on a steel flat plate, trimming and cleaning the casting by using a machine, then polishing the periphery and the front and back surfaces of the alloy ingot by using abrasive paper, cleaning the alloy ingot by using absolute ethyl alcohol, and drying the alloy ingot after cleaning;

s5, packaging the prepared aluminum-zinc alloy ingot casting by using a soft material, and storing the aluminum-zinc alloy ingot casting in a cool and clean environment, wherein the environment is required to be damp-proof, sun-proof and acid-base salt corrosion-proof, the storage temperature is kept at 15 ℃, and the relative humidity is 10%.

Example 3

S1, placing 50 parts of zinc in a crucible, heating to 460 ℃, vacuumizing, raising the temperature to 850 ℃, adding 50 parts of aluminum and 20 parts of copper, placing the crucible in the middle until the zinc is completely melted, uniformly stirring, cooling to 630 ℃, adding 25 parts of magnesium, filling inert gas, uniformly mixing, raising the temperature of a melt to 720 ℃, adding a refining agent in a crucible alloy liquid for refining, adding 15 parts of chromium, 15 parts of manganese and 6 parts of iron, continuously stirring, raising the temperature in the crucible to 780 ℃, stirring for 2 hours, adding the remaining 12 parts of titanium and 10 parts of tin, continuously stirring, keeping the temperature at 780 ℃, and stirring for 2 hours to obtain a mixed solution;

s2, when the temperature of the mixed solution reaches 730 ℃, refining and degassing by using a rotary degassing machine, adjusting the temperature of the mixed solution to 700 ℃, standing for 40 minutes, adjusting the temperature of the mixed solution to 730 ℃ and pouring;

s3, conveying the aluminum alloy solution in the melting furnace from the melting furnace to a quantitative beaker by using a mechanical material spoon with scales, driving a rotating rod to rotate at a high speed by using a driving motor on a centrifugal casting machine, pouring the mixed solution into a casting mold through a casting pipe and a pouring gate, throwing the metal liquid to the side wall of the casting mold under the driving of centrifugal force, closing air holes and shrinkage holes under the action of pressure to obtain a casting with a compact structure, and cooling the obtained casting in cooling water to carry out homogenization annealing treatment;

s4, placing the manufactured casting on a steel flat plate, trimming and cleaning the casting by using a machine, then polishing the periphery and the front and back surfaces of the alloy ingot by using abrasive paper, cleaning the alloy ingot by using absolute ethyl alcohol, and drying the alloy ingot after cleaning;

s5, packaging the prepared aluminum-zinc alloy ingot casting by using a soft material, and storing the aluminum-zinc alloy ingot casting in a cool and clean environment, wherein the environment is required to be damp-proof, sun-proof and acid-base salt corrosion-proof, the storage temperature is kept at 20 ℃, and the relative humidity is 15%.

And those not described in detail in this specification are well within the skill of those in the art.

Effects of the embodiment

A processing plant uses the embodiments 1 to 3 of the present invention to prepare an aluminum-zinc alloy ingot casting, selects a random aluminum-zinc alloy ingot casting on the market as a control group, randomly selects 40 workers to test the aluminum-zinc alloy ingot casting, wherein 10 workers are selected to test the aluminum-zinc alloy ingot casting manufactured by the manufacturing method of the embodiment 1 of the present invention, and then randomly selects 10 workers to test the aluminum-zinc alloy ingot casting manufactured by the manufacturing method of the embodiment 2 of the present invention, 10 workers test the aluminum-zinc alloy ingot casting manufactured by the manufacturing method of the embodiment 3 of the present invention, and the remaining 10 workers test the control group, and after 40 workers test, the tested effects are recorded.

Experimental chart

As can be seen from the above table, the aluminum-zinc alloy ingot castings of examples 1 to 3 have a good effect by the preparation method, and the reasonable configuration of the component contents of the aluminum-zinc alloy not only improves the hardness of the aluminum-zinc alloy, but also ensures that the aluminum-zinc alloy has excellent overall mechanical properties, and the alloy raw materials are added for multiple times, thereby avoiding the phenomena of bubbles and unstable components of the alloy material due to large temperature changes when the direct zinc ingot is melted, optimizing the die casting process parameters, improving the performance of the aluminum-zinc alloy to the maximum extent, and having the significant advantages of high hardness, high strength and the like.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.