CN110961484B - 一种5083铝合金板材的简易加工方法 - Google Patents
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- 238000003672 processing method Methods 0.000 title claims abstract description 15
- 238000005098 hot rolling Methods 0.000 claims abstract description 20
- 238000005096 rolling process Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 11
- 238000000137 annealing Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/02—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
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- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/02—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling heavy work, e.g. ingots, slabs, blooms, or billets, in which the cross-sectional form is unimportant ; Rolling combined with forging or pressing
- B21B1/026—Rolling
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- C—CHEMISTRY; METALLURGY
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- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0081—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C21/00—Alloys based on aluminium
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/047—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/02—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling heavy work, e.g. ingots, slabs, blooms, or billets, in which the cross-sectional form is unimportant ; Rolling combined with forging or pressing
- B21B2001/028—Slabs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2201/00—Special rolling modes
- B21B2201/06—Thermomechanical rolling
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Abstract
一种5083铝合金板材的简易加工方法,本发明涉及铝合金板材加工方法领域。本发明要解决现有5083铝合金加工工艺繁复,加工时间长的技术问题。方法:将5083铝合金铸锭进行热轧,锯切,再经拉伸,锯切。采用本发明方法可以省去退火步骤,并使最终获得的5083板材达到与原始工艺加工后的板材相同的力学性能,减少加工时间,节约能耗。本发明用于制备5083铝合金板材。
Description
技术领域
本发明涉及铝合金板材加工方法领域。
背景技术
5083铝合金属于防锈铝合金,不可热处理强化,具有密度低,中等强度,良好的成型性能和抗腐蚀性能,焊接性能等特点,因此,被广泛地应用于车辆、船舶、航空航天等交通运输制造业和罐料制造业等领域。
5083铝合金常用的状态有H112和O态,其中O态5083十分常用,其主要应用于压力容器,地铁轻轨等。将5083-O进行稳定化退火工序主要为了产生再结晶组织,增强5083合金耐蚀性,但却使现有加工工艺繁复,加工时间延长,降低了工业生产效率。
发明内容
本发明要解决现有5083铝合金加工工艺繁复,加工时间长的技术问题,而提供一种5083铝合金板材的简易加工方法。
一种5083铝合金板材的简易加工方法,按以下步骤完成:
一、将5083铝合金铸锭加热至500~580℃,保温10~12h,然后进行热轧,热轧时,轧制6~12道次,每道次压下量≤50%,再进行锯切,得到预制板材;
二、然后将步骤一制得的预制板材放入拉伸机中进行拉伸,控制拉伸率为0.6~1.1%,锯切得到5083铝合金板材成品,完成所述一种5083铝合金板材的简易加工方法。
进一步的,步骤一热轧时,当厚度≤50mm,终轧温度≥250℃,当厚度>50mm,终轧温度≥300℃。
进一步的,步骤一锯切尺寸为5083铝合金板材成品的倍尺数。
进一步的,从步骤一热轧结束到步骤二放入拉伸机时的时间≤4h。
本发明以提高终轧温度的方式来达到退火态,不但获得再结晶组织,省略了退火步骤,获得相同力学性能,更节约产能,节约成本。
本发明的有益效果是:
1、本发明一种5083铝合金板材新型简易加工方法,在板材热轧时,提高终轧温度的方法,省略了最终成品退火的工艺步骤,本发明生产工艺耗时40h左右,相比现有工艺节省了至少10h,并且获得了与退火后板材相同的力学性能,节约了产能。
2、本发明制备的5083铝合金板材相比于原始方法制备的板材,其耐蚀性也有所提高,对于应用于罐体上,具有更好的耐腐蚀效果。
本发明用于制备5083铝合金板材。
具体实施方式
本发明技术方案不局限于以下所列举的具体实施方式,还包括各具体实施方式之间的任意组合。
具体实施方式一:本实施方式一种5083铝合金板材的简易加工方法,该加工方法按以下步骤完成:
一、将5083铝合金铸锭加热至500~580℃,保温10~12h,然后进行热轧,热轧时,轧制6~12道次,每道次压下量≤50%,再进行锯切,得到预制板材;
二、然后将步骤一制得的预制板材放入拉伸机中进行拉伸,控制拉伸率为0.6~1.1%,锯切得到5083铝合金板材成品,完成所述一种5083铝合金板材的简易加工方法。
具体实施方式二:本实施方式与具体实施方式一不同的是:步骤一中5083铝合金铸锭的尺寸:高为420~560mm,宽为1280~1800mm,长为1060~1360mm。其它与具体实施方式一相同。
具体实施方式三:本实施方式与具体实施方式一或二不同的是:步骤一中加热至520~560℃,保温11h。其它与具体实施方式一相同。
具体实施方式四:本实施方式与具体实施方式一至三之一不同的是:步骤一热轧时,当厚度≤50mm,终轧温度≥250℃,当厚度>50mm,终轧温度≥300℃。其它与具体实施方式一至三之一相同。
具体实施方式五:本实施方式与具体实施方式一至四之一不同的是:步骤一锯切尺寸为5083铝合金板材成品的倍尺数。其它与具体实施方式一至四之一相同。
具体实施方式六:本实施方式与具体实施方式一至五之一不同的是:从步骤一热轧结束到步骤二放入拉伸机时的时间≤4h。其它与具体实施方式一至五之一相同。
具体实施方式七:本实施方式与具体实施方式一至六之一不同的是:步骤二中控制拉伸率为0.7~1.0%。其它与具体实施方式一至六之一相同。
具体实施方式八:本实施方式与具体实施方式一至七之一不同的是:步骤二获得5083铝合金板材的厚度为20~120mm,宽度为1000~3000mm。其它与具体实施方式一至七之一相同。
采用以下实施例验证本发明的有益效果:
实施例一:
本实施例一种5083铝合金板材的简易加工方法,该加工方法按以下步骤完成:
一、将5083铝合金铸锭加热至550℃,保温11h,然后进行热轧,热轧时,轧制10道次,每道次压下量≤50%,热轧时,当厚度≤50mm,终轧温度220℃,当厚度>50mm,终轧温度360℃,再进行锯切,得到预制板材;
二、然后将步骤一制得的预制板材放入拉伸机中进行拉伸,控制拉伸率为0.8%,锯切得到5083铝合金板材成品,完成所述一种5083铝合金板材的简易加工方法。
从步骤一热轧结束到步骤二放入拉伸机时的时间≤4h。
其中步骤一5083铝合金铸锭为熔铸分厂半连续水冷生产的5083合金铸块,其化学成分如表1所述:
表1 5083铝合金铸锭化学成分(质量百分含量,%)
将本实施例制备出的板材经拉伸性能测试,满足EN485-2 1994、EN485-2 2003/2008、ASME SB209 2017、GBT 3880.2 2012四种标准,具体测试结果如下所示:
表2 EN485-2 1994
表3 EN485-2 1994
表4 ASME SB209 2017
表5 GBT 3880.2 2012
由以上测试可知,本发明方法制备的5083铝合金板材获得了与退火后板材相同的力学性能,并且本发明生产工艺耗时40h左右,相比现有工艺节省了至少10h,节约了产能,并且耐腐蚀性能也有所提高,对于应用于罐体上,具有更好的耐蚀效果。
Claims (1)
1.一种5083铝合金板材的简易加工方法,其特征在于该加工方法按以下步骤完成:
一、将5083铝合金铸锭加热至550℃,保温11h,然后进行热轧,热轧时,轧制10道次,每道次压下量≤50%,热轧时,当厚度大于50mm,终轧温度360℃,再进行锯切,得到预制板材;
二、然后将步骤一制得的预制板材放入拉伸机中进行拉伸,控制拉伸率为0.8%,锯切得到5083铝合金板材成品,完成所述一种5083铝合金板材的简易加工方法;
从步骤一热轧结束到步骤二放入拉伸机时的时间≤4h。
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