CN109226718A - Alumina-base material preparation process suitable for cooling body - Google Patents
Alumina-base material preparation process suitable for cooling body Download PDFInfo
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- CN109226718A CN109226718A CN201811166482.2A CN201811166482A CN109226718A CN 109226718 A CN109226718 A CN 109226718A CN 201811166482 A CN201811166482 A CN 201811166482A CN 109226718 A CN109226718 A CN 109226718A
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- China
- Prior art keywords
- aluminum pipe
- alumina
- base material
- preparation process
- plating
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/0081—Casting in, on, or around objects which form part of the product pretreatment of the insert, e.g. for enhancing the bonding between insert and surrounding cast metal
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Coating With Molten Metal (AREA)
Abstract
The invention discloses a kind of alumina-base material preparation process suitable for cooling body, step is specific as follows: (1) chooses aluminum pipe as pipe laying material；(2) carries out pre-treatment to the aluminum pipe of selection；(3) aluminum pipe for carrying out pre-treatment is fixed in；(4) carries out aluminium alloy casting on the aluminum pipe fixed, completes entire technique.By using aluminum pipe as pipe laying material in the present invention, and a kind of completely new preparation process is provided, achievees the purpose that reduce cooling substrate self weight, improves corrosion resistance and widen the use scope of alumina-base material.
Description
Technical field
The present invention relates to cooling bodies to use substrate field, and in particular to prepared by the alumina-base material suitable for cooling body
Technique.
Background technique
Casting alloy is important a member in metal material family, is that the alloy or metal by two kinds with different performance are answered
It is combined, a kind of high performance material for the two kinds of alloy characteristics of synthesis prepared.Compound cooling knot is prepared using casting technique
Structure is the extension of casting alloy technique, simplifies the preparation process of cooling structure.
In traditional handicraft, the research of cooling structure material concentrates on the metal materials such as copper, steel, is made using above-mentioned material
For pipe laying material, the self weight of cooling structure is increased, and intolerant to active solution corrosion, limit cooling body uses model
It encloses.
Summary of the invention
In order to solve the above technical problems, the invention proposes the alumina-base material preparation process for being suitable for cooling body, with
Achieve the purpose that reduce dead load, improve corrosion resistance and widen the use scope of alumina-base material.
In order to achieve the above objectives, technical scheme is as follows:
A kind of alumina-base material preparation process suitable for cooling body, step are specific as follows:
(1) chooses aluminum pipe as pipe laying material；
(2) carries out pre-treatment to the aluminum pipe of selection；
(3) aluminum pipe for carrying out pre-treatment is fixed in；
(4) carries out aluminium alloy casting on the aluminum pipe fixed, completes entire technique.
By using aluminum pipe as pipe laying material in the present invention, and provide a kind of completely new preparation process, reach reduce it is cold
But the purpose that substrate is self-possessed, improves corrosion resistance and widen the use scope of alumina-base material.
Preferably, the material of aluminum pipe is any one in 6063 aluminium alloys or 6061 aluminium alloys in step (1), and
Thickness >=1mm of the aluminum pipe.
Preferably, the pre-treatment carried out in step (2) to aluminum pipe includes the following steps: surface clean, activation and change
Learn plating；
Wherein, surface clean, which refers to, is placed on aluminum pipe in the NaOH solution that concentration is 0.5mol/L, and clear using ultrasound
Wash 30s；
Activation refers to that it is 30s in 25ml/L HCl+0.25g/L PdCl2 solution that aluminum pipe, which is rested on concentration,；
Plated film includes following three kinds of situations:
Only plating Ni；
Only plating Cu；
Cu is plated after first plating Ni
And in the case of above-mentioned three kinds, plating Ni solution is equal are as follows: nickel sulfate 25g/L, sodium hypophosphite 30g/L, trisodium citrate
20g/L, sodium acetate 15g/L, lactic acid 30g/L, plating solution PH are 4；
It is equal to plate Cu solution are as follows: copper sulphate 20g/L, boric acid 30g/L, sodium citrate 20g/L, nickel sulfate 4g/L and sodium hypophosphite
34g/L, plating solution PH are 8-9.
Preferably, the pre-treatment carried out in step (2) to aluminum pipe can also be following steps: bending, surface sand-blasting
And surface clean；
Wherein fine sand granularity used by surface sand-blasting is 0.1mm-0.5mm, compressed air pressure 0.7MPa, when sandblasting
Between be 10min；
Surface clean, which refers to, to be placed on aluminum pipe in the NaOH solution that concentration is 0.5mol/L, and using ultrasonic cleaning 30s.
Preferably, being poured solution in step (4) in aluminium alloy casting process is ZL101 or ZL104 aluminium alloy, and
It uses metal mold pressure pouring, and temperature is 670-730 DEG C, pouring pressure 0.5MPa, dwell time about 30S.
The present invention has the advantage that
1. by using aluminum pipe as pipe laying material in the present invention, and providing a kind of completely new preparation process, reach reduction
The purpose that cooling substrate is self-possessed, improves corrosion resistance and widen the use scope of alumina-base material.
Specific embodiment
Below with reference to embodiment and specific embodiment, the present invention is described in further detail.
Embodiment one,
(1) uses commercially available 6061 aluminum pipe, specification 6mm × 8mm, thickness 1mm；
(2-1) recycles ultrasonic constant temp washing through NaOH 0.5mol/L alkali cleaning 30S
(2-2) is placed on 25ml/L HCl+0.25g/L PdCl2 activated solution, activates 30S；
The lemon that H3BO3 that CuSO45H2O that (2-3) is 20g/L with concentration, concentration are 30g/L, concentration are 20g/L
The sodium hypophosphite mixing that NiSO4 that sour sodium, concentration are 4g/L, concentration are 34g/L, and adjusting PH value with NaOH, H2SO4 is 9,
Product is placed wherein, chemical plating process is carried out using heating water bath mode, wherein temperature is 70 DEG C, and electroless plating time is
40min is washed again after the completion, is dried；
(3) puts in a mold treated aluminum pipe, so that the spacing 30mm of interlayer and being fixed up and down；
(4) takes sand mold to be poured, and is poured ZL104 aluminium alloy melting, and technological parameter requires as follows: pouring temperature 670
DEG C, it demoulds and takes out after cooling, the alumina-base material of obtained cooling structure.
Embodiment two,
(1) uses commercially available 6061 aluminum pipe, specification 6mm × 8mm, thickness 1mm；
(2-1) recycles ultrasonic constant temp washing through NaOH 0.5mol/L alkali cleaning 30S
(2-2) is placed on 25ml/L HCl+0.25g/L PdCl2 activated solution, activates 30S；
The NiSO that (2-3) is 25g/L with concentration4, concentration be 30g/L sodium hypophosphite, concentration be 20g/L lemon
The lactic acid mixing that the sodium acetate and concentration that sour trisodium, concentration are 15g/L are 30g/L；With NaOH, H2SO4PH value is adjusted to 4, will be produced
Product are placed wherein, carry out chemical plating process using heating water bath mode, and wherein temperature is 80 DEG C, electroless plating time 20min, complete
Cheng Houzai is washed, is dried；
(3) is put in a mold to treated aluminum pipe, makes upper, middle and lower interlamellar spacing 20mm and be fixed；
(4) takes sand mold to be poured, and is poured ZL 101 alloy molten liquid, and technological parameter requires as follows: pouring temperature is
It 700 DEG C, demoulds and takes out after cooling, the alumina-base material of obtained cooling structure.
Embodiment three:
(1) use commercially available 6063 aluminum pipe, specification 6mm × 12mm, thickness 3mm,
(2-1) recycles ultrasonic constant temp washing through NaOH 0.5mol/L alkali cleaning 30S
(2-2) is placed on 25ml/L HCl+0.25g/L PdCl2 activated solution, activates 30S；
The NiSO that (2-3) is 25g/L with concentration4, concentration be 30g/L sodium hypophosphite, concentration be 20g/L lemon
The lactic acid mixing that the sodium acetate and concentration that sour trisodium, concentration are 15g/L are 30g/L；With NaOH, H2SO4PH value is adjusted to 4, will be produced
Product are placed wherein, carry out chemical plating process using heating water bath mode, and wherein temperature is 80 DEG C, electroless plating time 20min；
The lemon that H3BO3 that CuSO45H2O that (2-4) is 20g/L with concentration, concentration are 30g/L, concentration are 20g/L
The sodium hypophosphite mixing that NiSO4 that sour sodium, concentration are 4g/L, concentration are 34g/L, and adjusting PH value with NaOH, H2SO4 is 8,
Product is placed wherein, chemical plating process is carried out using heating water bath mode, wherein temperature is 60 DEG C, and electroless plating time is
10min is washed again after the completion, is dried
(3) is put in a mold to treated aluminum pipe, makes two adjacent aluminum pipe spacing 30mm and be fixed；
(4) takes metal mold pressure pouring, is poured ZL101 molten liquid, and technological parameter requires as follows: pouring temperature 730
DEG C, it is poured pressure 0.05MPa, pressure maintaining 30S, demoulds and takes out after cooling, the alumina-base material of obtained cooling structure.
Example IV,
(1) uses commercially available 6061 aluminum pipe, specification 6mm × 12mm, thickness 3mm；
(2-1) is to aluminum pipe blasting treatment: fine sand granularity is 0.1-0.5mm, compressed air pressure 0.7MPa, when sandblasting
Between be 10min；
Then (2-2) uses NaOH 0.5mol/L alkali cleaning 30S, then dry after washing；
(3) is placed in the mold for being previously provided with built-in fitting, so that the spacing of upper, middle and lower interlayer treated aluminum pipe
10mm, and be fixed；
(4) takes sand mold to be poured, and is poured ZL 101 alloy melt, and technological parameter requires as follows: pouring temperature 730
DEG C, it demoulds and takes out after cooling, the alumina-base material of obtained cooling structure.
By above-mentioned processing step, the aluminum tube surfaces plated film of this product or blasting treatment, plated film make interface react, spray
Sand releases residual stress, so that interface cohesion is excellent after casting, is conducive to heat transfer cooling；Aluminum pipe and stainless steel, copper pipe simultaneously
It compares, corrodes more resistant to organic solvent (such as ethylene glycol), extend the service life of cold plate；And it is closed using aluminum pipe and cast aluminum
Gold, compared to copper pipe/stainless steel tube and be poured aluminium alloy, it is lighter, alleviate support load.
By above mode, the present invention provides a kind of completely new preparation work by using aluminum pipe as pipe laying material
Skill achievees the purpose that reduce cooling substrate self weight, improves corrosion resistance and widen the use scope of alumina-base material.
Above-described is only the preferred of the alumina-base material preparation process disclosed in this invention suitable for cooling body
Embodiment, it is noted that for those of ordinary skill in the art, in the premise for not departing from the invention design
Under, various modifications and improvements can be made, and these are all within the scope of protection of the present invention.
Claims (5)
1. a kind of alumina-base material preparation process suitable for cooling body, which is characterized in that its step is specific as follows:
(1) chooses aluminum pipe as pipe laying material；
(2) carries out pre-treatment to the aluminum pipe of selection；
(3) aluminum pipe for carrying out pre-treatment is fixed in；
(4) carries out aluminium alloy casting on the aluminum pipe fixed, completes entire technique.
2. the alumina-base material preparation process according to claim 1 suitable for cooling body, which is characterized in that step
(1) material of aluminum pipe is any one in 6063 aluminium alloys or 6061 aluminium alloys in, and thickness >=1mm of the aluminum pipe.
3. the alumina-base material preparation process according to claim 1 suitable for cooling body, which is characterized in that step
(2) pre-treatment carried out in aluminum pipe includes the following steps: surface clean, activation and chemical plating；
Wherein, surface clean, which refers to, is placed on aluminum pipe in the NaOH solution that concentration is 0.5mol/L, and using ultrasonic cleaning
30s；
Activation refers to that it is 30s in 25ml/L HCl+0.25g/L PdCl2 solution that aluminum pipe, which is rested on concentration,；
Plated film includes following three kinds of situations:
Only plating Ni；
Only plating Cu；
Cu is plated after first plating Ni
And in the case of above-mentioned three kinds, plating Ni solution is equal are as follows: nickel sulfate 25g/L, sodium hypophosphite 30g/L, trisodium citrate 20g/
L, sodium acetate 15g/L, lactic acid 30g/L, plating solution PH are 4；
It is equal to plate Cu solution are as follows: copper sulphate 20g/L, boric acid 30g/L, sodium citrate 20g/L, nickel sulfate 4g/L and sodium hypophosphite 34g/
L, plating solution PH are 8-9.
4. the alumina-base material preparation process according to claim 1 suitable for cooling body, which is characterized in that step
(2) pre-treatment carried out in aluminum pipe can also be following steps: bending, surface sand-blasting and surface clean；
Wherein fine sand granularity used by surface sand-blasting is 0.1mm-0.5mm, compressed air pressure 0.7MPa, and blast time is
10min；
Surface clean, which refers to, to be placed on aluminum pipe in the NaOH solution that concentration is 0.5mol/L, and using ultrasonic cleaning 30s.
5. the alumina-base material preparation process according to claim 1 suitable for cooling body, which is characterized in that step
(4) being poured solution in aluminium alloy casting process is ZL101 or ZL104 aluminium alloy, and it uses metal mold pressure pouring, temperature
Degree is 670-730 DEG C, pouring pressure 0.5MPa, dwell time about 30S.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811166482.2A CN109226718A (en) | 2018-10-08 | 2018-10-08 | Alumina-base material preparation process suitable for cooling body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811166482.2A CN109226718A (en) | 2018-10-08 | 2018-10-08 | Alumina-base material preparation process suitable for cooling body |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069172A (en) * | 2011-02-17 | 2011-05-25 | 北京科技大学 | Composite casting method of aluminum cooling plate |
| JP2013226594A (en) * | 2012-03-27 | 2013-11-07 | Waseda Univ | Porous structure, and method for manufacturing the same and device for manufacturing porous structure |
| CN104707971A (en) * | 2015-02-15 | 2015-06-17 | 刘坚 | Manufacturing method of pipe burying type heat conduction aluminum component |
| CN105618714A (en) * | 2015-12-30 | 2016-06-01 | 东风商用车有限公司 | Aluminizing and inlay casting technology for Al-based material |
| CN106238710A (en) * | 2016-08-25 | 2016-12-21 | 上海交通大学 | The solid-liquid method of attachment of aluminum aluminum metal |
-
2018
- 2018-10-08 CN CN201811166482.2A patent/CN109226718A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069172A (en) * | 2011-02-17 | 2011-05-25 | 北京科技大学 | Composite casting method of aluminum cooling plate |
| JP2013226594A (en) * | 2012-03-27 | 2013-11-07 | Waseda Univ | Porous structure, and method for manufacturing the same and device for manufacturing porous structure |
| CN104707971A (en) * | 2015-02-15 | 2015-06-17 | 刘坚 | Manufacturing method of pipe burying type heat conduction aluminum component |
| CN105618714A (en) * | 2015-12-30 | 2016-06-01 | 东风商用车有限公司 | Aluminizing and inlay casting technology for Al-based material |
| CN106238710A (en) * | 2016-08-25 | 2016-12-21 | 上海交通大学 | The solid-liquid method of attachment of aluminum aluminum metal |
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Application publication date: 20190118 |