CN111101036A - Aluminum piston and preparation method thereof - Google Patents
Aluminum piston and preparation method thereof Download PDFInfo
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- CN111101036A CN111101036A CN201911379529.8A CN201911379529A CN111101036A CN 111101036 A CN111101036 A CN 111101036A CN 201911379529 A CN201911379529 A CN 201911379529A CN 111101036 A CN111101036 A CN 111101036A
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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
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- 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
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—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
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00362—Friction materials, e.g. used as brake linings, anti-skid materials
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
- C04B2111/00525—Coating or impregnation materials for metallic surfaces
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/2038—Resistance against physical degradation
Abstract
The invention discloses an aluminum piston and a preparation method thereof, and the aluminum piston comprises the following raw materials in parts by weight: aluminum liquid: 3-5 parts of copper, 2-4 parts of iron, 0.5-0.7 part of nickel, 40-60 parts of aluminum, 0.1-0.3 part of slag remover and 0.1-0.3 part of rare earth elements; ceramic liquid: the invention relates to a slag removing agent, which comprises 20-40 parts of silicon dioxide, 20-40 parts of aluminum oxide, 1-3 parts of aluminum silicate, 2-4 parts of calcium silicate and 0.4-0.6 part of plasticizer, wherein the slag removing agent is one of non-metal particle adsorption substances, and relates to the technical field. According to the aluminum piston and the preparation method thereof, copper and nickel are added into aluminum to form a heat-resistant phase, rare earth elements are added to play a role in microalloying, impurities in the alloy are removed by using an impurity removing agent, silicon dioxide, aluminum oxide, aluminum silicate and calcium silicate form ceramic liquid, the ceramic liquid is wrapped outside the aluminum alloy by matching with a plasticizer, so that good abrasion performance can be obtained, the friction loss of the piston at the matching position is reduced, the heat insulation performance is good, and the impact resistance can not be influenced while good abrasion resistance and heat insulation performance are obtained.
Description
Technical Field
The invention relates to the technical field of aluminum pistons, in particular to an aluminum piston and a preparation method thereof.
Background
The piston operates at high temperature, high pressure, high speed, and poor lubrication. The piston is directly contacted with high-temperature gas, the instantaneous temperature can reach more than 2500K, so the piston is heated seriously, the heat dissipation condition is poor, the temperature of the piston is very high when the piston works, the top of the piston is as high as 600-700K, and the temperature distribution is very uneven; the top of the piston bears great gas pressure, particularly the maximum pressure of a power stroke, the gasoline engine is up to 3-5 MPa, and the diesel engine is up to 6-9 MPa, so that the piston generates impact and bears the action of lateral pressure; the piston reciprocates in the cylinder at a high speed (8-12 m/s) and the speed is constantly changed, so that a large inertia force is generated, and the piston is subjected to a large additional load. The pistons work under such severe conditions, generating deformations and accelerated wear, as well as additional loads and thermal stresses, and are subject to chemical corrosion by the gases.
Most of the existing pistons are made of metal materials, the wear resistance of the metal materials is not ideal, serious loss can be caused after long-time wear, metal scraps can even fall off from the surface of the metal piston sometimes, the metal scraps can block a machine using the metal piston, the machine is damaged, the heat insulation performance of the metal materials is poor, a small number of metal pistons are arranged, the metal piston is too fragile due to blind increase of Si content, and the impact resistance is reduced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an aluminum piston and a preparation method thereof, and solves the problems that the existing piston is mostly made of metal materials, the wear resistance is not ideal, metal chips fall off, the heat insulation performance is poor, a small part of metal piston is too brittle, and the content of Si is increased blindly.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: an aluminum piston comprises aluminum liquid and ceramic liquid, and the aluminum piston comprises the following raw materials in parts by weight: aluminum liquid: 3-5 parts of copper, 2-4 parts of iron, 0.5-0.7 part of nickel, 40-60 parts of aluminum, 0.1-0.3 part of slag remover and 0.1-0.3 part of rare earth elements; ceramic liquid: 20-40 parts of silicon dioxide, 20-40 parts of aluminum oxide, 1-3 parts of aluminum silicate, 2-4 parts of calcium silicate and 0.4-0.6 part of plasticizer.
Preferably, the raw materials comprise by weight: 3 parts of copper, 2 parts of iron, 0.5 part of nickel, 40 parts of aluminum, 0.1 part of deslagging agent, 0.1 part of rare earth element, 20 parts of silicon dioxide, 20 parts of aluminum oxide, 1 part of aluminum silicate, 2 parts of calcium silicate and 0.4 part of plasticizer.
Preferably, the raw materials comprise by weight: 4 parts of copper, 3 parts of iron, 0.6 part of nickel, 500 parts of aluminum, 0.2 part of deslagging agent, 0.2 part of rare earth element, 30 parts of silicon dioxide, 300 parts of aluminum oxide, 2 parts of aluminum silicate, 3 parts of calcium silicate and 0.5 part of plasticizer.
Preferably, the raw materials comprise by weight: 5 parts of copper, 4 parts of iron, 0.7 part of nickel, 60 parts of aluminum, 0.3 part of deslagging agent, 0.3 part of rare earth element, 40 parts of silicon dioxide, 40 parts of aluminum oxide, 3 parts of aluminum silicate, 4 parts of calcium silicate and 0.6 part of plasticizer.
Preferably, the deslagging agent is one of non-metal particle adsorption substances.
Preferably, the rare earth element is a compound of one or two of lanthanum oxide and yttrium oxide.
Preferably, the plasticizer is composed of polyvinyl alcohol and carboxymethyl cellulose.
The invention also discloses a preparation method of the aluminum piston, which comprises the following steps:
the method comprises the following steps: coarse aluminum alloy melt: adding an aluminum ingot into a smelting furnace, heating to the temperature of 660-;
step two: refined aluminum alloy melt: adding a deslagging agent into the coarse aluminum alloy melt in the step one, further fully stirring the deslagging agent and the aluminum liquid for 5-10 minutes, and separating impurities when impurities are separated out from the surface of the coarse aluminum alloy melt to form a refined aluminum alloy melt;
step three: micro-alloying: adding rare earth elements into the refined aluminum alloy solution obtained in the second step, continuously stirring, placing the aluminum alloy solution in a mould for casting after the rare earth elements are completely mixed with the aluminum alloy solution, and waiting for cooling to form an aluminum alloy piston;
step four: forming a ceramic liquid: putting silicon dioxide and aluminum oxide into a grinder, adding water, mixing, finely grinding, heating to 50-70 ℃, pouring aluminum silicate and calcium silicate into the grinder after the silicon dioxide and the aluminum oxide are ground, and continuously grinding until all particles in the grinding liquid are dissolved to form ceramic liquid;
step five: formation of aluminum piston: pouring the ceramic liquid obtained in the fourth step into a mold, then placing the aluminum alloy into the ceramic liquid, adding a plasticizer into the ceramic liquid, closing the heating device, naturally cooling, and forming the aluminum piston after the ceramic liquid is solidified.
(III) advantageous effects
The invention provides an aluminum piston and a preparation method thereof. Compared with the prior art, the method has the following beneficial effects: the aluminum piston and the preparation method thereof comprise the following raw materials in parts by weight: aluminum liquid: 3-5 parts of copper, 2-4 parts of iron, 0.5-0.7 part of nickel, 40-60 parts of aluminum, 0.1-0.3 part of slag remover and 0.1-0.3 part of rare earth elements; ceramic liquid: 20-40 parts of silicon dioxide, 20-40 parts of aluminum oxide, 1-3 parts of aluminum silicate, 2-4 parts of calcium silicate and 0.4-0.6 part of plasticizer, and the first step is as follows: coarse aluminum alloy melt: adding an aluminum ingot into a smelting furnace, heating to the temperature of 660-; step two: refined aluminum alloy melt: adding a deslagging agent into the coarse aluminum alloy melt in the step one, further fully stirring the deslagging agent and the aluminum liquid for 5-10 minutes, and separating impurities when impurities are separated out from the surface of the coarse aluminum alloy melt to form a refined aluminum alloy melt; step three: micro-alloying: adding rare earth elements into the refined aluminum alloy solution obtained in the second step, continuously stirring, placing the aluminum alloy solution in a mould for casting after the rare earth elements are completely mixed with the aluminum alloy solution, and waiting for cooling to form an aluminum alloy piston; step four: forming a ceramic liquid: putting silicon dioxide and aluminum oxide into a grinder, adding water, mixing, finely grinding, heating to 50-70 ℃, pouring aluminum silicate and calcium silicate into the grinder after the silicon dioxide and the aluminum oxide are ground, and continuously grinding until all particles in the grinding liquid are dissolved to form ceramic liquid; step five: formation of aluminum piston: pouring the ceramic liquid in the fourth step into a mold, placing an aluminum alloy into the ceramic liquid, adding a plasticizer into the ceramic liquid, closing a heating device for natural cooling, forming an aluminum piston after the ceramic liquid is solidified, adding copper and nickel into the aluminum to form a heat-resistant phase, adding a rare earth element to play a role of microalloying, removing impurities in the alloy by using a deslagging agent, further forming silicon dioxide, aluminum oxide, aluminum silicate and calcium silicate into the ceramic liquid, wrapping the ceramic liquid outside the aluminum alloy by matching with the plasticizer, obtaining good wear performance, reducing friction loss of the piston at the matching part, obtaining good wear resistance and heat insulation, and simultaneously not influencing shock resistance.
Drawings
FIG. 1 is a process flow diagram of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings 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 of the 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.
Referring to fig. 1, the embodiment of the present invention provides three technical solutions: an aluminum piston and a preparation method thereof specifically comprise the following embodiments:
example 1
An aluminum piston comprises aluminum liquid and ceramic liquid, and the aluminum piston comprises the following raw materials in parts by weight: aluminum liquid: 3 parts of copper, 2 parts of iron, 0.5 part of nickel, 40 parts of aluminum, 0.1 part of deslagging agent and 0.1 part of rare earth element; ceramic liquid: 20 parts of silicon dioxide, 20 parts of aluminum oxide, 1 part of aluminum silicate, 2 parts of calcium silicate and 0.4 part of plasticizer.
The invention also discloses a preparation method of the aluminum piston, which comprises the following steps:
the method comprises the following steps: coarse aluminum alloy melt: adding an aluminum ingot into a smelting furnace, heating to the temperature of 660-;
step two: refined aluminum alloy melt: adding a deslagging agent into the coarse aluminum alloy melt in the step one, further fully stirring the deslagging agent and the aluminum liquid for 5-10 minutes, separating impurities when impurities are separated out from the surface of the coarse aluminum alloy melt to form a fine aluminum alloy melt, wherein the deslagging agent is one of non-metal particle adsorption substances;
step three: micro-alloying: adding rare earth elements into the refined aluminum alloy solution obtained in the second step, continuously stirring, placing the aluminum alloy solution in a mold for casting after the rare earth elements are completely mixed with the aluminum alloy solution, and waiting for cooling to form an aluminum alloy piston, wherein the rare earth elements are one or two compounds of lanthanum oxide and yttrium oxide;
step four: forming a ceramic liquid: putting silicon dioxide and aluminum oxide into a grinder, adding water, mixing, finely grinding, heating to 50-70 ℃, pouring aluminum silicate and calcium silicate into the grinder after the silicon dioxide and the aluminum oxide are ground, and continuously grinding until all particles in the grinding liquid are dissolved to form ceramic liquid;
step five: formation of aluminum piston: pouring the ceramic liquid in the fourth step into a mold, then placing the aluminum alloy into the ceramic liquid, adding a plasticizer into the ceramic liquid, closing the heating device, naturally cooling, and forming the aluminum piston after the ceramic liquid is solidified, wherein the plasticizer is composed of polyvinyl alcohol and carboxymethyl cellulose.
Example 2
An aluminum piston comprises aluminum liquid and ceramic liquid, and the aluminum piston comprises the following raw materials in parts by weight: aluminum liquid: 4 parts of copper, 3 parts of iron, 0.6 part of nickel, 500 parts of aluminum, 0.2 part of slag remover and 0.2 part of rare earth element; ceramic liquid: 30 parts of silicon dioxide, 300 parts of aluminum oxide, 2 parts of aluminum silicate, 3 parts of calcium silicate and 0.5 part of plasticizer.
The invention also discloses a preparation method of the aluminum piston, which comprises the following steps:
the method comprises the following steps: coarse aluminum alloy melt: adding an aluminum ingot into a smelting furnace, heating to the temperature of 660-;
step two: refined aluminum alloy melt: adding a deslagging agent into the coarse aluminum alloy melt in the step one, further fully stirring the deslagging agent and the aluminum liquid for 5-10 minutes, separating impurities when impurities are separated out from the surface of the coarse aluminum alloy melt to form a fine aluminum alloy melt, wherein the deslagging agent is one of non-metal particle adsorption substances;
step three: micro-alloying: adding rare earth elements into the refined aluminum alloy solution obtained in the second step, continuously stirring, placing the aluminum alloy solution in a mold for casting after the rare earth elements are completely mixed with the aluminum alloy solution, and waiting for cooling to form an aluminum alloy piston, wherein the rare earth elements are one or two compounds of lanthanum oxide and yttrium oxide;
step four: forming a ceramic liquid: putting silicon dioxide and aluminum oxide into a grinder, adding water, mixing, finely grinding, heating to 50-70 ℃, pouring aluminum silicate and calcium silicate into the grinder after the silicon dioxide and the aluminum oxide are ground, and continuously grinding until all particles in the grinding liquid are dissolved to form ceramic liquid;
step five: formation of aluminum piston: pouring the ceramic liquid in the fourth step into a mold, then placing the aluminum alloy into the ceramic liquid, adding a plasticizer into the ceramic liquid, closing the heating device, naturally cooling, and forming the aluminum piston after the ceramic liquid is solidified, wherein the plasticizer is composed of polyvinyl alcohol and carboxymethyl cellulose.
Example 3
An aluminum piston comprises aluminum liquid and ceramic liquid, and the aluminum piston comprises the following raw materials in parts by weight: aluminum liquid: 5 parts of copper, 4 parts of iron, 0.7 part of nickel, 60 parts of aluminum, 0.3 part of deslagging agent and 0.3 part of rare earth element; ceramic liquid: 40 parts of silicon dioxide, 40 parts of aluminum oxide, 3 parts of aluminum silicate, 4 parts of calcium silicate and 0.6 part of plasticizer.
The invention also discloses a preparation method of the aluminum piston, which comprises the following steps:
the method comprises the following steps: coarse aluminum alloy melt: adding an aluminum ingot into a smelting furnace, heating to the temperature of 660-;
step two: refined aluminum alloy melt: adding a deslagging agent into the coarse aluminum alloy melt in the step one, further fully stirring the deslagging agent and the aluminum liquid for 5-10 minutes, separating impurities when impurities are separated out from the surface of the coarse aluminum alloy melt to form a fine aluminum alloy melt, wherein the deslagging agent is one of non-metal particle adsorption substances;
step three: micro-alloying: adding rare earth elements into the refined aluminum alloy solution obtained in the second step, continuously stirring, placing the aluminum alloy solution in a mold for casting after the rare earth elements are completely mixed with the aluminum alloy solution, and waiting for cooling to form an aluminum alloy piston, wherein the rare earth elements are one or two compounds of lanthanum oxide and yttrium oxide;
step four: forming a ceramic liquid: putting silicon dioxide and aluminum oxide into a grinder, adding water, mixing, finely grinding, heating to 50-70 ℃, pouring aluminum silicate and calcium silicate into the grinder after the silicon dioxide and the aluminum oxide are ground, and continuously grinding until all particles in the grinding liquid are dissolved to form ceramic liquid;
step five: formation of aluminum piston: pouring the ceramic liquid in the fourth step into a mold, then placing the aluminum alloy into the ceramic liquid, adding a plasticizer into the ceramic liquid, closing the heating device, naturally cooling, and forming the aluminum piston after the ceramic liquid is solidified, wherein the plasticizer is composed of polyvinyl alcohol and carboxymethyl cellulose.
In conclusion, in examples 1 to 3, copper and nickel are added to aluminum to form a heat-resistant phase, a rare earth element is added to play a role in microalloying, then a deslagging agent is used to remove impurities in the alloy, further, silica, alumina, aluminum silicate and calcium silicate are formed into a ceramic liquid, and the ceramic liquid is coated outside the aluminum alloy by matching with a plasticizer, so that good wear performance can be obtained, the friction loss of a piston at a matching position is reduced, the heat insulation performance is good, and the impact resistance is not influenced while good wear resistance and heat insulation performance are obtained.
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.
Claims (8)
1. An aluminum piston comprises aluminum liquid and ceramic liquid, and is characterized in that: the raw materials comprise by weight: aluminum liquid: 3-5 parts of copper, 2-4 parts of iron, 0.5-0.7 part of nickel, 40-60 parts of aluminum, 0.1-0.3 part of slag remover and 0.1-0.3 part of rare earth elements; ceramic liquid: 20-40 parts of silicon dioxide, 20-40 parts of aluminum oxide, 1-3 parts of aluminum silicate, 2-4 parts of calcium silicate and 0.4-0.6 part of plasticizer.
2. An aluminum piston as set forth in claim 1, wherein: the raw materials comprise by weight: 3 parts of copper, 2 parts of iron, 0.5 part of nickel, 40 parts of aluminum, 0.1 part of deslagging agent, 0.1 part of rare earth element, 20 parts of silicon dioxide, 20 parts of aluminum oxide, 1 part of aluminum silicate, 2 parts of calcium silicate and 0.4 part of plasticizer.
3. An aluminum piston as set forth in claim 1, wherein: the raw materials comprise by weight: 4 parts of copper, 3 parts of iron, 0.6 part of nickel, 500 parts of aluminum, 0.2 part of deslagging agent, 0.2 part of rare earth element, 30 parts of silicon dioxide, 300 parts of aluminum oxide, 2 parts of aluminum silicate, 3 parts of calcium silicate and 0.5 part of plasticizer.
4. An aluminum piston as set forth in claim 1, wherein: the raw materials comprise by weight: 5 parts of copper, 4 parts of iron, 0.7 part of nickel, 60 parts of aluminum, 0.3 part of deslagging agent, 0.3 part of rare earth element, 40 parts of silicon dioxide, 40 parts of aluminum oxide, 3 parts of aluminum silicate, 4 parts of calcium silicate and 0.6 part of plasticizer.
5. An aluminum piston as set forth in claim 1, wherein: the slag removing agent is one of non-metal particle adsorption substances.
6. An aluminum piston as set forth in claim 1, wherein: the rare earth element is one or two of lanthanum oxide and yttrium oxide.
7. An aluminum piston as set forth in claim 1, wherein: the plasticizer consists of polyvinyl alcohol and carboxymethyl cellulose.
8. An aluminum piston according to any one of claims 1 to 7, wherein: the preparation method specifically comprises the following steps:
the method comprises the following steps: coarse aluminum alloy melt: adding an aluminum ingot into a smelting furnace, heating to the temperature of 660-;
step two: refined aluminum alloy melt: adding a deslagging agent into the coarse aluminum alloy melt in the step one, further fully stirring the deslagging agent and the aluminum liquid for 5-10 minutes, and separating impurities when impurities are separated out from the surface of the coarse aluminum alloy melt to form a refined aluminum alloy melt;
step three: micro-alloying: adding rare earth elements into the refined aluminum alloy solution obtained in the second step, continuously stirring, placing the aluminum alloy solution in a mould for casting after the rare earth elements are completely mixed with the aluminum alloy solution, and waiting for cooling to form an aluminum alloy piston;
step four: forming a ceramic liquid: putting silicon dioxide and aluminum oxide into a grinder, adding water, mixing, finely grinding, heating to 50-70 ℃, pouring aluminum silicate and calcium silicate into the grinder after the silicon dioxide and the aluminum oxide are ground, and continuously grinding until all particles in the grinding liquid are dissolved to form ceramic liquid;
step five: formation of aluminum piston: pouring the ceramic liquid obtained in the fourth step into a mold, then placing the aluminum alloy into the ceramic liquid, adding a plasticizer into the ceramic liquid, closing the heating device, naturally cooling, and forming the aluminum piston after the ceramic liquid is solidified.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111647727A (en) * | 2020-07-06 | 2020-09-11 | 上海交通大学 | Water-cooling quenching device and quenching method for engine piston |
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Application publication date: 20200505 |