CN101660072B - Aluminum alloy for argon-arc-welded aluminum-plastic composite pipe and method for preparing aluminum alloy plate - Google Patents
Aluminum alloy for argon-arc-welded aluminum-plastic composite pipe and method for preparing aluminum alloy plate Download PDFInfo
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Abstract
The invention provides an aluminum alloy for an argon-arc-welded aluminum-plastic composite pipe. The aluminum alloy comprises 0.3wt%-0.4wt% of Si, 0.6wt%-0.8wt% of Fe, 0.01wt%-0.03wt% of Ti, impurities with a total amount of less than 0.15wt% and the balance of Al, wherein the content of a single impurity is less than 0.05wt%. Experiment results show that the use of the aluminum alloy for preparing an aluminum alloy plate used for the aluminum-plastic composite pipe can improve the aluminum alloy plate yield and ensure the stability of the performance of the aluminum alloy plate. The invention also provides a method for preparing the aluminum alloy plate used for the argon-arc-welded aluminum-plastic composite pipe. According to the method, after the aluminum alloy with the components is used for preparing the aluminum alloy plate, the obtained aluminum alloy plate has good mechanical property. Experiment results show that the method can improve the aluminum alloy plate yield and the stability of performance of the aluminum alloy plate.
Description
Technical field
The present invention relates to metallic substance, be specifically related to the preparation method of plastic-aluminum combined effective duraluminum of a kind of argon arc welding and aluminum alloy plate materials.
Background technology
PAP is a kind of novel pipeline that is formed by thermally melting coextru-lamination between central longitudinal weldering aluminum pipe, ectonexine polythene material and layer and the layer.The ectonexine Vilaterm is easy to that moulding, erosion resistance and resistance to low temperature are good, low-temperature impact resistance is excellent, tubing level Vilaterm also have high long-term pressure resistance can and environmental stress cracking resistance.Middle layer vertical weldering duraluminum belongs to compressive strength and the shock-resistant ability that pipe has metal, and in the actual use temperature scope of plastic-aluminum pipe, intensity of aluminum alloy remains unchanged, for the long-term heat resistance of plastic-aluminum pipe can provide reliable guarantee.Because PAP has the firm withstand voltage and corrosion resistant two-fold advantage of the antiacid alkali of plastics tubing of metal tube, is widely used in various industries.
When producing PAP, preparation thickness is about the aluminum alloy plate materials of 0.2mm earlier, adopts argon arc jam welding to obtain middle aluminum pipe then.PAP is lower to the aluminum alloy plate materials performance requriements, but requires the mechanical property of duraluminum to have good stability, in the prior art, often adopts the AA1100 duraluminum to prepare PAP.
The AA1100 duraluminum is to add the little copper element in the fine aluminium to form, and its typical composition is: the Mn of the Cu of 0.05wt%～0.2wt%, the Si+Fe of 0.95wt%, 0.05wt%, the Zn of 0.10wt%, less than the impurity of 0.05wt%, the Al of surplus.The AA1100 duraluminum has splendid shaping processing characteristics, high corrosion resistance, good weldableness and electroconductibility; Be widely used in and need good plasticity and high corrosion stability; But the product that requirement of strength is not high is like fields such as kitchen tools, ironware, PAPs.
In the prior art; A typical process process of preparation PAP comprises: after preparing the AA1100 aluminum alloy plate materials finished product that thickness is about 0.2mm thickness; Again said aluminum alloy plate materials was annealed at 290 ℃～400 ℃, insulation in 17～20 hours; Again through aluminum pipe in the middle of the argon arc jam welding preparation, then at the ectonexine composite polyethylene material prepn PAP of middle aluminum pipe.Yet in the prior art, when adopting the AA1100 duraluminum to prepare aluminum alloy plate materials, product mechanical property fluctuation is big, therefore causes the aluminum alloy plate materials yield rate to reduce, and utilizes the PAP qualification rate of this aluminum alloy plate materials preparation lower thereby cause.
Therefore, need provide a kind of stable mechanical property, be applicable to the plastic-aluminum combined effective duraluminum of argon arc welding.
Summary of the invention
The technical problem that the present invention solves is that a kind of stable mechanical property is provided, is applicable to the plastic-aluminum combined effective duraluminum of argon arc welding, when preparing plastic-aluminum combined effective aluminum alloy plate materials by this duraluminum, has high yield rate.
In order to solve above technical problem, the present invention provides a kind of argon arc welding plastic-aluminum combined effective duraluminum, comprising:
The Si of 0.3wt%～0.4wt%;
The Fe of 0.6wt%～0.8wt%;
The Ti of 0.01wt%～0.03wt%;
The Zn of 0.01wt%～0.15wt%;
The Mn of 0.01wt%～0.15wt%;
Total amount is less than the impurity of 0.15wt%, and wherein the content of single impurity is less than 0.05wt%;
Surplus Al.
Preferably, said duraluminum comprises the Si of 0.35wt%～0.4wt%.
Preferably, said duraluminum comprises the Fe of 0.65wt%～0.75wt%.
Preferably, said duraluminum comprises the Ti of 0.015wt%～0.025wt%.
The present invention also provides a kind of argon arc to contain the preparation method of plastic-aluminum combined effective aluminum alloy plate materials, comprising:
Casting process: the described aluminium alloy cast ingot of preparation technique scheme;
Rolling process: rolling said aluminium alloy cast ingot obtains the aluminum alloy plate materials that thickness is 0.18mm～0.25mm;
Annealing operation: said aluminum alloy plate materials is warming up to 340 ℃～460 ℃ insulations, anneal then.
Preferably, in said annealing operation, said aluminum alloy plate materials is warming up to 380 ℃～420 ℃ is incubated.
Preferably, said rolling process comprises:
Hot-rolled process: the said aluminium alloy cast ingot of hot rolling obtains the aluminum alloy plate materials blank that thickness is 6.5mm～7.0mm;
Cold rolling process: the cold rolling said aluminum alloy plate materials blank of said aluminum alloy plate materials blank obtains the aluminum alloy plate materials that thickness is 0.18mm～0.25mm.
Preferably: said cold rolling process comprises:
The aluminum alloy plate materials blank that said hot-rolled process is obtained is cold rolling to obtain the aluminum alloy plate materials blank that thickness is 0.5mm～0.7mm;
To said thickness is the processing of cutting edge of the aluminum alloy plate materials blank of 0.5mm～0.7mm;
Aluminum alloy plate materials blank after cold rolling said side cut is handled obtains the aluminum alloy plate materials that thickness is 0.18mm～0.25mm.
Preferably, the temperature during said hot rolling is 450 ℃～520 ℃.
Preferably, the soaking time of aluminum alloy plate materials is 1 hour～3 hours in said annealing operation.
The present invention provides a kind of argon arc welding plastic-aluminum combined effective duraluminum, and its composition is the Si of 0.3wt%～0.4wt%; The Fe of 0.6wt%～0.8wt%; The Ti of 0.01wt%～0.03wt%; Total amount is less than the impurity of 0.15wt%, and wherein the content of single impurity is less than 0.05wt%; Surplus Al.Experimental result shows, when utilizing duraluminum provided by the invention to prepare plastic-aluminum combined effective aluminum alloy plate materials, can improve the yield rate of aluminum alloy plate materials, guarantees the stability of aluminum alloy plate materials performance.
The present invention also provides the preparation method of the plastic-aluminum combined effective aluminum alloy plate materials of a kind of argon arc welding, according to the present invention, the duraluminum of mentioned component prepared aluminum alloy plate materials after, the aluminum alloy plate materials that obtains has good mechanical property.Experimental result shows, can improve the yield rate of aluminum alloy plate materials, improves the stability of aluminum alloy plate materials performance.
Embodiment
In order further to understand the present invention, below in conjunction with embodiment the preferred embodiment of the invention is described, describe just to further specifying feature and advantage of the present invention but should be appreciated that these, rather than to the restriction of claim of the present invention.
The present invention provides a kind of argon arc welding plastic-aluminum combined effective duraluminum, comprising: the Si of 0.3wt% (weight percent)～0.4wt%; The Fe of 0.6wt%～0.8wt%; The Ti of 0.01wt%～0.03wt%; Total amount is less than the impurity of 0.15wt%, and wherein the content of single impurity is less than 0.05wt%; Surplus Al.
According to the present invention, comprise the Si of 0.3wt%～0.4wt% and the Fe of 0.6wt%～0.8wt% in the said duraluminum.For PAP, cooperate interpolation Si and Fe can improve aluminium alloy casting performance and erosion resistance, and Si also help improving the welding property of duraluminum.In duraluminum, Fe forms α mutually with Si.In addition, when Si and Fe depart from mentioned component, aluminum alloy casting is cracked, and too high Si and Fe can increase the fragility of duraluminum, be unfavorable for improving ductility.According to the present invention, said Si content is preferably 0.35wt%～0.4wt%; Fe content is preferably 0.65wt%～0.75wt%.
According to the present invention, also comprise the Ti that is not higher than 0.01wt%～0.03wt% in the said duraluminum.In duraluminum, Ti and Al form TiAl
3Phase, when forming duraluminum, TiAl
3Non-spontaneous core when becoming crystallization mutually plays refinement cast structure and seam organization.According to the present invention, Ti content is preferably 0.015wt%～0.025wt% in the said duraluminum.
According to the present invention, said duraluminum can also add one or more elements that comprise in manganese, the zinc.Wherein, manganese can stop the recrystallization process of duraluminum, improves recrystallization temperature, and ability refinement recrystal grain, and the addition of manganese is preferably 0.01wt%～0.15wt%, more preferably 0.05wt%～0.12wt%.The addition of zinc is preferably 0.01wt%～0.15wt%, more preferably 0.05wt%～0.12wt%.
In addition, can also comprise one or more impurity elements that are selected from REE, vanadium, calcium, lead, tin, bismuth, antimony, beryllium, sodium, the copper in the duraluminum provided by the invention.
Increase constitutional supercooling when REE can make aluminum alloy melt casting, crystal grain thinning reduces secondary intergranular distance, reduce in the duraluminum gas be mingled with, and make and be mingled with the region nodularization.In addition, REE also reduces smelt surface tension, increases flowability, helps casting ingot-forming.
Vanadium forms the VAl11 infusible compound in duraluminum, in fusion-casting process, play the crystal grain thinning effect.In addition, the effect of all right refinement recrystallized structure of vanadium, raising recrystallization temperature.
Calcium can improve the cutting ability of duraluminum, and helps removing the hydrogen in the aluminium liquid.
Lead, tin, bismuth are low melting point metals, can improve cutting ability.In addition, bismuth expands in Solidified Process of Aluminum Alloys, and is favourable to feeding.
Antimony is mainly used in the alterant of y alloy y, improves duraluminum cold working or hot workability.
According to the present invention, the weight of impurity element is no more than 0.15wt% in the duraluminum, and is preferred, and the total amount of impurity element is no more than 0.12wt%, and is preferred, is no more than 0.1wt%.Wherein, the content of single impurity element is no more than 0.05wt%, preferably is no more than 0.03wt%.
According to the present invention, copper is as impurity element in the said duraluminum, and copper has solid solution strengthening effect in duraluminum, for example the CuAl that separates out of timeliness
2Tangible ageing strengthening effect is arranged.But for the effective duraluminum of plastic-aluminum; Do not need duraluminum to have higher intensity; Need to guarantee the stability of its mechanical property because Cu causes producing the unsettled aluminum alloy plate materials of mechanical property in the operation of rolling of aluminum alloy plate materials easily, so among the present invention with Cu as impurity; And guarantee the mechanical property of aluminum alloy plate materials, thereby improve the yield rate of preparation aluminum alloy plate materials through other composition of improvement.
The present invention also provides the preparation method of the plastic-aluminum combined effective aluminum alloy plate materials of a kind of argon arc welding, comprising:
Casting process: the described duraluminum of casting technique scheme;
Rolling process: the duraluminum of rolling said casting process obtains the aluminum alloy plate materials that thickness is 0.18mm～0.25mm;
Annealing operation: said aluminum alloy plate materials is warming up to 340 ℃～460 ℃ insulations, anneal then.
According to the present invention, adopt castmethod to prepare the aluminium alloy cast ingot of al alloy component in the technique scheme.For castmethod, the present invention does not have special restriction, can be horizontal casting method well known to those skilled in the art, semicontinuous casting method.
After the composition of casting said duraluminum obtained duraluminum, the preferred said duraluminum of hot rolling obtained the aluminum alloy plate materials blank that thickness is 6.5～7.0mm, for hot-rolled temperature; Be preferably at least 400 ℃; Preferred, hot-rolled temperature is 420 ℃～500 ℃, more preferably 440 ℃～480 ℃.For the hot rolling number of times, do not have special restriction, can carry out the one or many hot rolling.
Hot rolling is preferably carried out the cold rolling said aluminum alloy plate materials blank first time after obtaining aluminum alloy plate materials blank that thickness is 6.5～7.0mm, and obtaining thickness is the aluminum alloy plate materials blank of 0.5mm～0.7mm.For the raw edges that prevents in cold-rolled process, to produce influences follow-up rolling process, be the processing of cutting edge of the aluminum alloy plate materials blank of 0.5mm～0.7mm to said thickness.It is cold rolling that aluminum alloy plate materials blank after side cut is handled then carries out the second time, and obtaining finished product thickness is 0.18mm～0.25mm, is preferably the aluminum alloy plate materials of 0.19mm～0.21mm.
After aluminium is cold rolled to the duraluminum finished product thickness, the duraluminum of finished product thickness is heated to 340 ℃～460 ℃, is incubated 1～3 hour anneal.For annealing temperature, be preferably 350 ℃～450 ℃, more preferably 370 ℃～430 ℃, more preferably 390 ℃～410 ℃.For soaking time, be preferably 1.5～2.5 hours.After the insulation,, perhaps in air, cool off, this present invention is not had special restriction duraluminum cool to room temperature in lehre.
According to the present invention; When utilizing aluminum alloy plate materials provided by the invention to prepare PAP; Adopt the argon arc welding central longitudinal to the said aluminum alloy plate materials of welding, aluminum pipe in the middle of obtaining, internal layer and the outer composite polyethylene at said middle aluminum pipe obtains PAP then.
The present invention provides a kind of argon arc welding plastic-aluminum combined effective duraluminum, and its composition is the Si of 0.3wt%～0.4wt%; The Fe of 0.6wt%～0.8wt%; The Ti of 0.01wt%～0.03wt%; Total amount is less than the impurity of 0.15wt%, and wherein the content of single impurity is less than 0.05wt%; Surplus Al.Experimental result shows, when utilizing duraluminum provided by the invention to prepare plastic-aluminum combined effective aluminum alloy plate materials, can improve the yield rate of aluminum alloy plate materials, guarantees the stability of aluminum alloy plate materials performance.
The present invention also provides the preparation method of the plastic-aluminum combined effective aluminum alloy plate materials of a kind of argon arc welding, according to the present invention, the duraluminum of mentioned component prepared aluminum alloy plate materials after, the aluminum alloy plate materials that obtains has good mechanical property.Experimental result shows, can improve the yield rate of aluminum alloy plate materials, improves the stability of aluminum alloy plate materials performance.
In order further to understand the present invention, the preparation method of duraluminum provided by the invention and aluminum alloy plate materials is described below in conjunction with embodiment.
Embodiment 1
1) casting is like the duraluminum of table 1a said composition, and hot rolling obtains the aluminum alloy plate materials blank that thickness is 6.5mm, and the rolling temperature during said hot rolling is 480 ℃:
Aluminium alloy cast ingot composition (wt%) among table 1a, the embodiment 1
Get 100 thick aluminum alloy plate materials blanks of the rolling 6.5mm of step 1), continue to process according to following steps:
2) cold rolling said thickness is 6.5mm the aluminum alloy plate materials blank is a 0.5mm aluminum alloy plate materials blank to obtaining thickness;
3) be the processing of cutting edge of the aluminum alloy plate materials blank of 0.5mm to said thickness;
4) the aluminum alloy plate materials blank after cold rolling side cut is handled obtains the aluminum alloy plate materials that finished product thickness is 0.2mm.
Said aluminum alloy plate materials is heated to 340 ℃, is incubated after 1.5 hours cool to room temperature anneal in air.
The mechanical property of the aluminum alloy plate materials that measurement is made by said 100 aluminium alloy cast ingots wherein satisfies the salable product that are of intensity >=85MPa and unit elongation＞20%, and all the other be waste product, and the aluminum alloy plate materials The performance test results sees also shows 1b:
The aluminum alloy plate materials The performance test results of table 1b, embodiment 1 preparation
The aluminum alloy plate materials yield rate of embodiment 1 preparation is 94%.
Embodiment 2
1) casting is like the duraluminum of table 2a said composition, and hot rolling obtains the aluminum alloy plate materials blank that thickness is 7.0mm, and the rolling temperature during said hot rolling is 500 ℃:
Aluminium alloy cast ingot composition (wt%) among table 2a, the embodiment 2
Get 7.0 rolling thick 100 aluminum alloy plate materials blanks of step 1), continue to process according to following steps:
2) cold rolling said thickness is 7.0mm the aluminum alloy plate materials blank is a 0.6mm aluminum alloy plate materials blank to obtaining thickness;
3) be the processing of cutting edge of the aluminum alloy plate materials blank of 0.6mm to said thickness;
4) the aluminum alloy plate materials blank after cold rolling side cut is handled obtains the aluminum alloy plate materials that finished product thickness is 0.21mm.
Said aluminum alloy plate materials is heated to 380 ℃, is incubated after 2.5 hours cool to room temperature anneal in air.
The mechanical property of the aluminum alloy plate materials that measurement is made by said 100 aluminium alloy cast ingots wherein satisfies the salable product that are of intensity >=85MPa and unit elongation＞20%, and all the other be waste product, and the aluminum alloy plate materials The performance test results sees also shows 2b:
The aluminum alloy plate materials The performance test results of table 2b, embodiment 2 preparations
The aluminum alloy plate materials yield rate of embodiment 2 preparations is 93%.
Embodiment 3
1) casting is like the duraluminum of table 3a said composition, and hot rolling obtains the aluminum alloy plate materials blank that thickness is 6.5mm, and the temperature during said hot rolling is 460 ℃:
Aluminium alloy cast ingot composition (wt%) among table 3a, the embodiment 3
The thickness of getting the step 1) preparation is 100 aluminum alloy plate materials blanks of 6.5mm, all processes according to following steps:
2) cold rolling said thickness is 6.5mm the aluminum alloy plate materials blank is a 0.5mm aluminum alloy plate materials blank to obtaining thickness;
3) be the processing of cutting edge of the aluminum alloy plate materials blank of 0.5mm to said thickness;
4) the aluminum alloy plate materials blank after cold rolling side cut is handled obtains the aluminum alloy plate materials that finished product thickness is 0.2mm.
Said aluminum alloy plate materials is heated to 400 ℃, is incubated after 1.5 hours cool to room temperature anneal in air.
The mechanical property of the aluminum alloy plate materials that measurement is made by said 100 aluminium alloy cast ingots wherein satisfies the salable product that are of intensity >=85MPa and unit elongation＞20%, and all the other be waste product, and the aluminum alloy plate materials The performance test results sees also shows 3b:
The aluminum alloy plate materials The performance test results of table 3b, embodiment 3 preparations
The aluminum alloy plate materials yield rate of embodiment 3 preparations is 93%.
Embodiment 4
1) casting is like the duraluminum of table 4a said composition, and hot rolling obtains the aluminum alloy plate materials blank that thickness is 6.5mm, and the temperature during said hot rolling is 480 ℃:
Aluminium alloy cast ingot composition (wt%) among table 4a, the embodiment 4
Get the aluminum alloy plate materials blank of the 6.5mm of step 1) preparation, continue to process according to following steps:
2) cold rolling said thickness is 6.5mm the aluminum alloy plate materials blank is a 0.5mm aluminum alloy plate materials blank to obtaining thickness;
3) be the processing of cutting edge of the aluminum alloy plate materials blank of 0.5mm to said thickness;
4) the aluminum alloy plate materials blank after cold rolling side cut is handled obtains the aluminum alloy plate materials that finished product thickness is 0.2mm.
Said aluminum alloy plate materials is heated to 370 ℃, is incubated after 2.5 hours cool to room temperature anneal in air.
The mechanical property of the aluminum alloy plate materials that measurement is made by said 100 aluminium alloy cast ingots wherein satisfies the salable product that are of intensity >=85MPa and unit elongation＞20%, and all the other be waste product, and the aluminum alloy plate materials The performance test results sees also shows 4b:
The aluminum alloy plate materials The performance test results of table 4b, embodiment 4 preparations
The aluminum alloy plate materials yield rate of embodiment 4 preparations is 93%.
Comparative example 1
1) casting is like the AA1100 duraluminum of table 5a said composition, and hot rolling obtains the aluminum alloy plate materials blank that thickness is 6.5mm, and the temperature during said hot rolling is 460 ℃:
Aluminium alloy cast ingot composition (wt%) in table 5a, the comparative example 1
The thickness of getting step 1) is 100 aluminum alloy blanks of 6.5mm, continues to process according to following steps:
2) cold rolling said thickness is 6.5mm the aluminum alloy plate materials blank is a 0.5mm aluminum alloy plate materials blank to obtaining thickness;
3) be the processing of cutting edge of the aluminum alloy plate materials blank of 0.5mm to said thickness;
4) the aluminum alloy plate materials blank after cold rolling side cut is handled obtains the aluminum alloy plate materials that finished product thickness is 0.2mm.
Said aluminum alloy plate materials is heated to 400 ℃, is incubated after 18 hours cool to room temperature anneal in air.
The mechanical property of the aluminum alloy plate materials that measurement is made by said 100 aluminium alloy cast ingots wherein satisfies the salable product that are of intensity >=85MPa and unit elongation＞20%, and all the other be waste product, and the aluminum alloy plate materials The performance test results sees also shows 5b:
The aluminum alloy plate materials The performance test results of table 5b, comparative example 1 preparation
The aluminum alloy plate materials yield rate of comparative example 1 preparation is 86%.
The result of comparing embodiment and comparative example can know; Adopt duraluminum system provided by the invention to prepare the effective aluminum alloy plate materials of plastic-aluminum and have higher yield rate; Therefore improved the stability of aluminum alloy plate materials; Though the AA1100 duraluminum has passed through the insulation of long period in the comparative example when annealing, its stability still is relatively poor.
The explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (9)
1. plastic-aluminum combined effective duraluminum of argon arc welding comprises:
The Si of 0.3wt%～0.4wt%;
The Fe of 0.6wt%～0.8wt%;
The Ti of 0.01wt%～0.03wt%;
The Zn of 0.01wt%～0.15wt%;
The Mn of 0.01wt%～0.15wt%;
Total amount is less than the impurity of 0.15wt%, and wherein the content of single impurity is less than 0.05wt%;
Surplus Al.
2. duraluminum according to claim 1 is characterized in that, comprising:
The Si of 0.35wt%～0.4wt%.
3. duraluminum according to claim 1 is characterized in that, comprising:
The Fe of 0.65wt%～0.75wt%.
4. according to each described duraluminum of claim 1 to 3, it is characterized in that, comprising:
The Ti of 0.015wt%～0.025wt%.
5. the preparation method of the plastic-aluminum combined effective aluminum alloy plate materials of argon arc welding is characterized in that, comprising:
Casting process: casting is like each described duraluminum of claim 1 to 4;
Rolling process: rolling said casting process obtains duraluminum and obtains the aluminum alloy plate materials that thickness is 0.18mm～0.25mm;
Annealing operation: said aluminum alloy plate materials is warming up to 340 ℃～460 ℃ insulations, anneal then.
6. method according to claim 5 is characterized in that, in said annealing operation, said aluminum alloy plate materials is warming up to 380 ℃～420 ℃ is incubated.
7. method according to claim 6 is characterized in that, said rolling process comprises:
Hot-rolled process: the duraluminum of the said casting process of hot rolling obtains the aluminum alloy plate materials blank that thickness is 6.5mm～7.0mm;
Cold rolling process: cold rolling said aluminum alloy plate materials blank obtains the aluminum alloy plate materials that thickness is 0.18mm～0.25mm.
8. method according to claim 7 is characterized in that, said cold rolling process comprises:
The aluminum alloy plate materials blank that said hot-rolled process is obtained is cold rolling to obtain the aluminum alloy plate materials blank that thickness is 0.5mm～0.7mm;
To said thickness is the processing of cutting edge of the aluminum alloy plate materials blank of 0.5mm～0.7mm;
Aluminum alloy plate materials blank after cold rolling said side cut is handled obtains the aluminum alloy plate materials that thickness is 0.18mm～0.25mm.
9. the preparation method of aluminum alloy plate materials according to claim 5 is characterized in that, the soaking time of aluminum alloy plate materials is 1 hour～3 hours in said annealing operation.
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| CN1876868A (en) * | 2006-07-04 | 2006-12-13 | 江苏常铝铝业股份有限公司 | Aluminium alloy foil for founding and rolling automotive heat radiator fin billet and manufacturing method thereof |
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| CN1876868A (en) * | 2006-07-04 | 2006-12-13 | 江苏常铝铝业股份有限公司 | Aluminium alloy foil for founding and rolling automotive heat radiator fin billet and manufacturing method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 《轻金属材料加工手册》编写组.各国对铝箔厚度的划分.《轻金属材料加工手册下册》.冶金工业出版社,1980,303. * |
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