CN102952976B - Automobile refrigerator boronized aluminum alloy and its preparation technology - Google Patents
Automobile refrigerator boronized aluminum alloy and its preparation technology Download PDFInfo
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- CN102952976B CN102952976B CN201110242971.3A CN201110242971A CN102952976B CN 102952976 B CN102952976 B CN 102952976B CN 201110242971 A CN201110242971 A CN 201110242971A CN 102952976 B CN102952976 B CN 102952976B
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Abstract
The invention relates to an automobile refrigerator boronized aluminum alloy and its preparation technology. The automobile refrigerator boronized aluminum alloy is obtained through processing 0.20-0.35% of Si, 0.60-0.8% of Mg, 0.06-8.0% of B, 0.20% or less of Fe, and the balance Al. The preparation technology comprises the following steps: 1, adding required components to a melting furnace according to mass percentages, and melting to obtain molten aluminum; 2, carrying out extrusion molding of the molten aluminum at an extrusion speed of 50-100mm/s to form an automobile refrigerator boronized aluminum alloy blank, and cooling through water in the extrusion process to obtain the cooled automobile refrigerator boronized aluminum alloy blank; 3, carrying out heat treatment of the automobile refrigerator boronized aluminum alloy blank; and 4, carrying out surface treatment to obtain the automobile refrigerator boronized aluminum alloy. The automobile refrigerator boronized aluminum alloy blank has the characteristics of good heat conduction performance and high electricity conductivity, and can be applied to automobile refrigerator medium exchange devices.
Description
Technical field
The present invention relates to technical field of metal, particularly relate to a kind of refrigerator of vehicle aluminum boride alloy and preparation technology thereof.
Background technology
Refrigerator of vehicle, also claims car refrigerator, refers to the refrigerator that directly can use on automobile.Refrigerator of vehicle is cooling apparatus of new generation popular on world market in recent years.Along with the raising of people's people's living standard, automobile enters common people house rapidly, drives to carry out the part that outdoors also become daily life.Conveniently people also can eat iced food or beverage out of doors at any time, also strengthen gradually the demand of refrigerator of vehicle.
A key part of refrigerator of vehicle refrigeration is medium switch wherein, and by medium switch, low-temperature receiver is transferred to refrigerator cavity, therefore, the heat conduction performance of medium switch directly has influence on the refrigeration performance of refrigerator of vehicle.In prior art, the heat conduction performance as the material of medium switch is poor, seriously limits the refrigeration performance of refrigerator of vehicle.
Therefore, not enough for prior art, provide that a kind of heat conduction performance is good, specific conductivity height refrigerator of vehicle aluminum boride alloy, and preparation technology is very necessary to solve prior art deficiency.
Summary of the invention
The object of the invention is to avoid the deficiencies in the prior art part and a kind of refrigerator of vehicle aluminum boride alloy is provided, this refrigerator of vehicle aluminum boride alloy has the advantages that heat conduction performance is good, specific conductivity is high, is applicable to as refrigerator of vehicle medium switch.
Above-mentioned purpose of the present invention is realized by following technical measures.
A kind of refrigerator of vehicle aluminum boride alloy, described refrigerator of vehicle aluminum boride alloy is processed by the composition of following mass percent:
Silicon: 0.20 ~ 0.35%;
Magnesium: 0.60 ~ 0.8%;
Boron: 0.06 ~ 8.0%;
The content of iron: be less than or equal to 0.20%;
Its surplus is aluminium.
Preferably, above-mentioned refrigerator of vehicle aluminum boride alloy is processed by the composition of following mass percent:
Silicon: 0.25 ~ 0.30%;
Magnesium: 0.65 ~ 0.75%;
Boron: 0.10 ~ 8.0%;
The content of iron: be less than or equal to 0.20%;
Its surplus is aluminium.
Preferably, above-mentioned refrigerator of vehicle aluminum boride alloy is processed by the composition of following mass percent:
Silicon: 0.25 ~ 0.30%;
Magnesium: 0.65 ~ 0.75%;
Boron: 3.0 ~ 6.0%;
The content of iron: be less than or equal to 0.20%;
Its surplus is aluminium.
Preferably, above-mentioned refrigerator of vehicle aluminum boride alloy is processed by the composition of following mass percent:
Silicon: 0.25 ~ 0.30%;
Magnesium: 0.65 ~ 0.75%;
Boron: 4.0 ~ 5.0%;
The content of iron: be less than or equal to 0.20%;
Its surplus is aluminium.
Preferably, above-mentioned refrigerator of vehicle aluminum boride alloy is processed by the composition of following mass percent:
Silicon: 0.25 ~ 0.30%;
Magnesium: 0.65 ~ 0.75%;
Boron: 4.2 ~ 4.8%;
The content of iron: be less than or equal to 0.20%;
Its surplus is aluminium.
Preferably, above-mentioned refrigerator of vehicle aluminum boride alloy is processed by the composition of following mass percent:
Silicon: 0.28%;
Magnesium: 0.7%;
Boron: 4.5%;
The content of iron: be less than or equal to 0.20%;
Its surplus is aluminium.
Another object of the present invention is to avoid the deficiencies in the prior art part to provide a kind of preparation technology of refrigerator of vehicle aluminum boride alloy, prepared refrigerator of vehicle aluminum boride alloy has the advantages that heat conduction performance is good, specific conductivity is high, is applicable to as refrigerator of vehicle medium switch.
Object of the present invention is realized by following technical measures.
A kind of preparation technology preparing above-mentioned refrigerator of vehicle aluminum boride alloy of the present invention, comprises the steps:
Required composition is added smelting furnace fusing according to mass percent and forms aluminium liquid by step a.;
Aluminium hydraulic extrusion moulding, under the extrusion speed of 50-100mm/s, is formed refrigerator of vehicle aluminum boride alloy idiosome, is cooled, obtain cooled refrigerator of vehicle aluminum boride alloy idiosome in extrusion process by water-cooling pattern by step b.;
Step c is heat-treated described cooled refrigerator of vehicle aluminum boride alloy idiosome;
Described thermal treatment is specifically set to two levels of thermal process, specifically first---180 DEG C at is incubated 1.0---2.0 hour with aluminum boride alloy idiosome 150 to refrigerator of vehicle, and then---is incubated 1.5 at 230 DEG C---3.0 hours 200;
Steps d. surface treatment is carried out to the refrigerator of vehicle aluminum boride alloy idiosome after thermal treatment, obtains finished automotive refrigerator aluminum boride alloy.
Preferably, above-mentioned steps c. heat-treats described cooled refrigerator of vehicle aluminum boride alloy idiosome;
Described thermal treatment is specifically set to two levels of thermal process, specifically first at 160 DEG C, is incubated 1.5 hours to refrigerator of vehicle aluminum boride alloy idiosome, and then is incubated 2.0 hours at 220 DEG C.
Preferably, copper plating treatment is carried out on the surface that above-mentioned steps d is specially the refrigerator of vehicle aluminum boride alloy idiosome after to thermal treatment.
Another is preferred, and the surface that above-mentioned steps d is specially the refrigerator of vehicle aluminum boride alloy idiosome after to thermal treatment is first carried out copper plating treatment and carried out zinc-plated process again.
A kind of refrigerator of vehicle aluminum boride alloy of the present invention, is processed by the composition of following mass percent: silicon: 0.20 ~ 0.35%; Magnesium: 0.60 ~ 0.8%; Boron: 0.06 ~ 8.0%; The content of iron: be less than or equal to 0.20%; Its surplus is aluminium.This refrigerator of vehicle aluminum boride alloy has the advantages that heat conduction performance is good, specific conductivity is high, is applicable to as refrigerator of vehicle medium switch.
A kind of preparation technology preparing above-mentioned refrigerator of vehicle aluminum boride alloy of the present invention, comprises the steps: that required composition is added smelting furnace fusing according to mass percent and forms aluminium liquid by step a.; Aluminium hydraulic extrusion moulding, under the extrusion speed of 50-100mm/s, is formed refrigerator of vehicle aluminum boride alloy idiosome, is cooled, obtain cooled refrigerator of vehicle aluminum boride alloy idiosome in extrusion process by water-cooling pattern by step b.; Step c is heat-treated described cooled refrigerator of vehicle aluminum boride alloy idiosome; Described thermal treatment is specifically set to two levels of thermal process, specifically first---180 DEG C at is incubated 1.0---2.0 hour with aluminum boride alloy idiosome 150 to refrigerator of vehicle, and then---is incubated 1.5 at 230 DEG C---3.0 hours 200; Steps d. surface treatment is carried out to the refrigerator of vehicle aluminum boride alloy idiosome after thermal treatment, obtains finished automotive refrigerator aluminum boride alloy.Refrigerator of vehicle aluminum boride alloy prepared by this technique has the advantages that heat conduction performance is good, specific conductivity is high, is applicable to as refrigerator of vehicle medium switch.
embodiment
The invention will be further described with the following Examples.
embodiment 1.
A kind of refrigerator of vehicle aluminum boride alloy, is processed by the composition of following mass percent:
Silicon: 0.20 ~ 0.35%;
Magnesium: 0.60 ~ 0.8%;
Boron: 0.06 ~ 8.0%;
The content of iron: be less than or equal to 0.20%;
Its surplus is aluminium.
Add boron as boronating agent, boron is all improved effect to heat conductivility and mechanical property, thus limits other impacts caused electric conductivity other impurity elements that conductivity is harmful to, and guarantees the refrigerator of vehicle aluminum boride alloy finally obtaining high conductivity.The content of boron directly affects heat conduction performance and the specific conductivity of final finished aluminum boride alloy.Therefore, select the content of boron to be set to 0.06 ~ 8.0% in the present invention, make the automobile expansion rate alloy finally obtained have the advantages that heat conduction performance is good, specific conductivity is high, be applicable to as refrigerator of vehicle medium switch.
This refrigerator of vehicle aluminum boride alloy is prepared according to following processing step:
Required composition is added smelting furnace fusing according to mass percent and forms aluminium liquid by step a.;
Aluminium hydraulic extrusion moulding, under the extrusion speed of 50-100mm/s, is formed refrigerator of vehicle aluminum boride alloy idiosome, is cooled, obtain cooled refrigerator of vehicle aluminum boride alloy idiosome in extrusion process by water-cooling pattern by step b.;
Step c is heat-treated cooled refrigerator of vehicle aluminum boride alloy idiosome;
This thermal treatment is specifically set to two levels of thermal process, specifically: first---180 DEG C at be incubated 1.0---2.0 hour with aluminum boride alloy idiosome 150 to refrigerator of vehicle, and then---is incubated 1.5 at 230 DEG C---3.0 hours 200;
Steps d. surface treatment is carried out to the refrigerator of vehicle aluminum boride alloy idiosome after thermal treatment, obtains finished automotive refrigerator aluminum boride alloy.Copper plating treatment is carried out on the surface that steps d is specially the refrigerator of vehicle aluminum boride alloy idiosome after to thermal treatment.
Refrigerator of vehicle aluminum boride alloy of the present invention is from the composition content of original composition to the extruding preparation technology, thermal treatment and surface treatment, all have employed special setting, the specific conductivity of prepared refrigerator of vehicle aluminum boride alloy reaches 52---56%IACS, hardness reaches higher than 10Hw, tensile strength is higher than 220.7Mpa, and unit elongation is greater than 15%.In addition, refrigerator of vehicle aluminum boride alloy of the present invention, has the advantages that heat conduction performance is good, specific conductivity is high, is applicable to as refrigerator of vehicle medium switch.
embodiment 2.
A kind of refrigerator of vehicle aluminum boride alloy, this refrigerator of vehicle aluminum boride alloy is processed by the composition of following mass percent:
Silicon: 0.25 ~ 0.30%;
Magnesium: 0.65 ~ 0.75%;
Boron: 0.10 ~ 8.0%;
The content of iron: be less than or equal to 0.20%;
Its surplus is aluminium.
Add boron as boronating agent, boron is all improved effect to heat conductivility and mechanical property, thus limits other impacts caused electric conductivity other impurity elements that conductivity is harmful to, and guarantees the refrigerator of vehicle aluminum boride alloy finally obtaining high conductivity.The content of boron directly affects heat conduction performance and the specific conductivity of final finished aluminum boride alloy.Therefore, select the content of boron to be set to 0.06 ~ 8.0% in the present invention, make the automobile expansion rate alloy finally obtained have the advantages that heat conduction performance is good, specific conductivity is high, be applicable to as refrigerator of vehicle medium switch.
This refrigerator of vehicle aluminum boride alloy is prepared according to following processing step:
Required composition is added smelting furnace fusing according to mass percent and forms aluminium liquid by step a.;
Aluminium hydraulic extrusion moulding, under the extrusion speed of 50-100mm/s, is formed refrigerator of vehicle aluminum boride alloy idiosome, is cooled, obtain cooled refrigerator of vehicle aluminum boride alloy idiosome in extrusion process by water-cooling pattern by step b.;
Step c is heat-treated cooled refrigerator of vehicle aluminum boride alloy idiosome;
This thermal treatment is specifically set to two levels of thermal process, specifically first at 160 DEG C, is incubated 1.5 hours to refrigerator of vehicle aluminum boride alloy idiosome, and then is incubated 2.0 hours at 220 DEG C.
Steps d. surface treatment is carried out to the refrigerator of vehicle aluminum boride alloy idiosome after thermal treatment, obtains finished automotive refrigerator aluminum boride alloy.Copper plating treatment is first carried out in the surface that steps d is specially the refrigerator of vehicle aluminum boride alloy idiosome after to thermal treatment, then carries out zinc-plated process.To have better heat conductivility.
Refrigerator of vehicle aluminum boride alloy of the present invention is from the composition content of original composition to the extruding preparation technology, thermal treatment and surface treatment, all have employed special setting, the specific conductivity of prepared refrigerator of vehicle aluminum boride alloy reaches 52---56%IACS, hardness reaches higher than 10Hw, tensile strength is higher than 220.7Mpa, and unit elongation is greater than 15%.In addition, refrigerator of vehicle aluminum boride alloy of the present invention, has the advantages that heat conduction performance is good, specific conductivity is high, is applicable to as refrigerator of vehicle medium switch.
embodiment 3.
A kind of refrigerator of vehicle aluminum boride alloy, this refrigerator of vehicle aluminum boride alloy is processed by the composition of following mass percent:
Silicon: 0.25 ~ 0.30%;
Magnesium: 0.65 ~ 0.75%;
Boron: 3.0 ~ 6.0%;
The content of iron: be less than or equal to 0.20%;
Its surplus is aluminium.
Add boron as boronating agent, boron is all improved effect to heat conductivility and mechanical property, thus limits other impacts caused electric conductivity other impurity elements that conductivity is harmful to, and guarantees the refrigerator of vehicle aluminum boride alloy finally obtaining high conductivity.The content of boron directly affects heat conduction performance and the specific conductivity of final finished aluminum boride alloy.Therefore, select the content of boron to be set to 0.06 ~ 8.0% in the present invention, make the automobile expansion rate alloy finally obtained have the advantages that heat conduction performance is good, specific conductivity is high, be applicable to as refrigerator of vehicle medium switch.
This refrigerator of vehicle aluminum boride alloy is prepared according to following processing step:
Required composition is added smelting furnace fusing according to mass percent and forms aluminium liquid by step a.;
Aluminium hydraulic extrusion moulding, under the extrusion speed of 50-100mm/s, is formed refrigerator of vehicle aluminum boride alloy idiosome, is cooled, obtain cooled refrigerator of vehicle aluminum boride alloy idiosome in extrusion process by water-cooling pattern by step b.;
Step c is heat-treated cooled refrigerator of vehicle aluminum boride alloy idiosome;
This thermal treatment is specifically set to two levels of thermal process, specifically: first---180 DEG C at be incubated 1.0---2.0 hour with aluminum boride alloy idiosome 150 to refrigerator of vehicle, and then---is incubated 1.5 at 230 DEG C---3.0 hours 200;
Steps d. surface treatment is carried out to the refrigerator of vehicle aluminum boride alloy idiosome after thermal treatment, obtains finished automotive refrigerator aluminum boride alloy.Copper plating treatment is first carried out in the surface that steps d is specially the refrigerator of vehicle aluminum boride alloy idiosome after to thermal treatment, then carries out zinc-plated process.To have better conductivity.
Refrigerator of vehicle aluminum boride alloy of the present invention is from the composition content of original composition to the extruding preparation technology, thermal treatment and surface treatment, all have employed special setting, the specific conductivity of prepared refrigerator of vehicle aluminum boride alloy reaches 52---56%IACS, hardness reaches higher than 10Hw, tensile strength is higher than 220.7Mpa, and unit elongation is greater than 15%.In addition, refrigerator of vehicle aluminum boride alloy of the present invention, has the advantages that heat conduction performance is good, specific conductivity is high, is applicable to as refrigerator of vehicle medium switch.
embodiment 4.
A kind of refrigerator of vehicle aluminum boride alloy and preparation technology thereof, other guide is identical with embodiment 1 or 2 or 3, and difference is, component concentration is different, and this refrigerator of vehicle aluminum boride alloy is processed by the composition of following mass percent:
Silicon: 0.25 ~ 0.30%;
Magnesium: 0.65 ~ 0.75%;
Boron: 4.2 ~ 4.8%;
The content of iron: be less than or equal to 0.20%;
Its surplus is aluminium.
Refrigerator of vehicle aluminum boride alloy of the present invention, has the advantages that heat conduction performance is good, specific conductivity is high, is applicable to as refrigerator of vehicle medium switch.
embodiment 5.
A kind of refrigerator of vehicle aluminum boride alloy and preparation technology thereof, other guide is identical with embodiment 1 or 2 or 3, and difference is, component concentration is different, and this refrigerator of vehicle aluminum boride alloy is processed by the composition of following mass percent:
Silicon: 0.28%;
Magnesium: 0.7%;
Boron: 4.5%;
The content of iron: be less than or equal to 0.20%;
Its surplus is aluminium.
Refrigerator of vehicle aluminum boride alloy of the present invention, has the advantages that heat conduction performance is good, specific conductivity is high, is applicable to as refrigerator of vehicle medium switch.
Finally should be noted that; above embodiment is only in order to illustrate technical scheme of the present invention but not limiting the scope of the invention; although be explained in detail the present invention with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to technical scheme of the present invention or equivalent replacement, and not depart from essence and the scope of technical solution of the present invention.
Claims (4)
1. a refrigerator of vehicle preparation technology for aluminum boride alloy, is characterized in that: it is processed by the composition of following mass percent:
Silicon: 0.20 ~ 0.35%;
Magnesium: 0.75 ~ 0.8%;
Boron: 0.10 ~ 8.0%;
The content of iron: be less than 0.20%;
Its surplus is aluminium;
It is made up of following steps:
Required composition is added smelting furnace fusing according to mass percent and forms aluminium liquid by step a.;
Aluminium hydraulic extrusion moulding, under the extrusion speed of 50-100mm/s, is formed refrigerator of vehicle aluminum boride alloy idiosome, is cooled, obtain cooled refrigerator of vehicle aluminum boride alloy idiosome in extrusion process by water-cooling pattern by step b.;
Step c is heat-treated described cooled refrigerator of vehicle aluminum boride alloy idiosome;
Described thermal treatment is specifically set to two levels of thermal process, specifically first---180 DEG C at is incubated 1.0---2.0 hour with aluminum boride alloy idiosome 150 to refrigerator of vehicle, and then---is incubated 1.5 at 230 DEG C---3.0 hours 200;
Steps d. surface treatment is carried out to the refrigerator of vehicle aluminum boride alloy idiosome after thermal treatment, obtains finished automotive refrigerator aluminum boride alloy.
2. the preparation technology of refrigerator of vehicle aluminum boride alloy according to claim 1, is characterized in that:
Described step c is heat-treated described cooled refrigerator of vehicle aluminum boride alloy idiosome;
Described thermal treatment is specifically set to two levels of thermal process, specifically first at 160 DEG C, is incubated 1.5 hours to refrigerator of vehicle aluminum boride alloy idiosome, and then is incubated 2.0 hours at 220 DEG C.
3. the preparation technology of refrigerator of vehicle aluminum boride alloy according to claim 1, is characterized in that: copper plating treatment is carried out on the surface that described steps d is specially the refrigerator of vehicle aluminum boride alloy idiosome after to thermal treatment.
4. the preparation technology of refrigerator of vehicle aluminum boride alloy according to claim 1, is characterized in that: the surface that described steps d is specially the refrigerator of vehicle aluminum boride alloy idiosome after to thermal treatment is first carried out copper plating treatment and carried out zinc-plated process again.
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| CN106498199B (en) * | 2016-11-02 | 2018-06-19 | 昆明冶金研究院 | A kind of production method of high-strength aluminum alloy conductive material |
| CN107904450A (en) * | 2017-09-27 | 2018-04-13 | 宁波华源精特金属制品有限公司 | A kind of robot support plate and its preparation process |
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