CN114643281A - 一种钢铝复合板带的生产方法 - Google Patents
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 93
- 239000002131 composite material Substances 0.000 title claims abstract description 63
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 51
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 43
- 239000010959 steel Substances 0.000 claims abstract description 43
- 238000013329 compounding Methods 0.000 claims abstract description 23
- 238000005098 hot rolling Methods 0.000 claims abstract description 21
- 238000005096 rolling process Methods 0.000 claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 238000005097 cold rolling Methods 0.000 claims abstract description 15
- 238000000137 annealing Methods 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims abstract description 5
- 239000001257 hydrogen Substances 0.000 claims abstract description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 5
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- 238000000034 method Methods 0.000 claims description 12
- 239000010687 lubricating oil Substances 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 4
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- 229910000838 Al alloy Inorganic materials 0.000 abstract description 2
- 229910000851 Alloy steel Inorganic materials 0.000 abstract description 2
- 239000002905 metal composite material Substances 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 2
- 229910052728 basic metal Inorganic materials 0.000 description 2
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
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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
- B21B1/22—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 plates, strips, bands or sheets of indefinite length
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- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
-
- 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
- B21B1/22—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 plates, strips, bands or sheets of indefinite length
- B21B2001/221—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 plates, strips, bands or sheets of indefinite length by cold-rolling
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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
- B21B1/22—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 plates, strips, bands or sheets of indefinite length
- B21B2001/225—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 plates, strips, bands or sheets of indefinite length by hot-rolling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
- B21B2003/001—Aluminium or its alloys
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Abstract
本发明涉及金属复合材料技术领域,特别涉及一种钢铝复合板带的生产方法。S1.下料:根据需要选择铝带和钢带的厚度和宽度,铝带宽度大于钢带宽度10‑20mm;S2.表面处理:对铝带和钢带进行表面打磨处理;S3.热轧复合:将铝带加热至400‑450℃,将钢带加热至500‑550℃,在加热过程中采用氮氢混合气保护钢带和铝带不氧化;将加热的铝带放置在加热的钢带上轧制复合,制得1.2‑3.5mm厚钢铝复合板带;S4.退火:热轧复合后的钢铝复合板带进行退火,退火温度为350‑500℃,时间为10‑15h;S5.冷轧:退火后的钢铝复合板带进行冷轧,轧制温度为50‑100℃,制得1.0‑3.0mm的钢铝复合板带。本发明优化了生产工艺,适用于各种牌号的铝合金和钢合金的复合,复合强度明显提高,产生边部气泡的几率大幅降低,复合率达100%。
Description
技术领域
本发明涉及金属复合材料技术领域,特别涉及一种钢铝复合板带的生产方法。
背景技术
钢和铝是重要的基础金属材料,广泛使用于工业、民用等领域,铝具有良好的导电、导热性能,钢具有良好的导磁、蓄热性能以及较高的强度;钢与铝相比较,钢与铝资源都比较丰富,是我国的两大基础金属材料,而铝比重较小,在轻量化方面具有较大的优势,钢的产量大、品种多,价格低廉。钢与铝复合金属是一种以钢为基体,外层复合铝的双金属,它是将铝的高质量导热及导电性能,以钢的高化学稳定性,良好的蓄热、电磁加热性能复合为一体的新型厨具材料,铝与钢复合金属板带,集中了钢铝各自优点,用钢铝复合金属板带代替铝板带,广泛应用于厨具、汽车等领域及建筑装饰行业,是当前金属新材料的发展方向和研究热点。
目前,钢与铝复合金属板带的生产,主要采用固-固复合法和液-固复合法。固-固复合法主要通过爆炸复合法、包覆焊接法、复合铸锭热轧法、轧制压接法生产;在厨具用钢铝复合板带生产中主要采取热轧复合的加工方法,这些生产方法在生产过程中普遍采用覆层宽度小于或等于基层宽度,造成复合板带边部气泡的质量缺陷无法彻底解决;采用低温复合或冷轧复合,造成复合板带复合强度偏低,经常出现分层现象,从而造成质量问题。
发明内容
本发明的目的是克服现有技术存在的缺陷,提供一种钢铝复合板带的生产方法。
实现本发明目的的技术方案是:一种钢铝复合板带的生产方法,步骤如下:
S1.下料:根据需要选择铝带和钢带的厚度和宽度,铝带宽度大于钢带宽度10-20mm;
S2.表面处理:对铝带和钢带分别进行表面打磨处理;
S3.热轧复合:将铝带加热至400-450℃,将钢带加热至500-550℃,在加热过程中采用氮氢混合气保护钢带和铝带不氧化;将加热的铝带放置在加热的钢带上在350~450℃温度下轧制复合,制得1.2-3.5mm厚的钢铝复合板带;
S4.退火:热轧复合后的钢铝复合板带进行退火,退火温度为350-500℃,时间为10-15h;
S5.冷轧:退火后的钢铝复合板带进行冷轧,轧制温度为50-100℃,制得1.0-3.0mm的钢铝复合板带。
进一步的,所述S3中轧制速度为5-15m/min,热轧复合第一道次加工率为20-35%。
进一步的,所述S5中冷轧速度为200-300m/min,冷轧第一道次加工率为5-15%。
进一步的,所述S3中热轧复合的轧制力为800-1100t。
进一步的,所述S3中热轧复合过程中轧辊上的多余轧制润滑油被较宽的铝带上表面阻断,避免使润滑油进入铝带和钢带之间造成边部气泡。
采用上述技术方案后,本发明具有以下积极的效果:
(1)本发明优化了生产工艺,适用于各种牌号的铝合金和钢合金的复合,复合强度明显提高,产生边部气泡的几率大幅度降低,复合率达100%,所得的钢铝复合板带的品种、规格多,导电导热性能好,质量稳定可靠,广泛应用于装饰材料、汽车散热器、厨具等领域,经济效益显著。
(2)本发明可用于生产厚度为约1.0-3.0mm的钢铝复合板带,得到的钢铝复合板带中铝能占到总体积的5-15%,复合强度达到反复折断不分层,钢铝复合板带的延伸率≥20%,复合强度≥20N/mm。
具体实施方式
(实施例1)
本实施例的厨具用钢铝复合板带的生产方法,包括如下步骤:
将宽度为710mm铝板带皮材与宽度为700mm DC05低碳钢板带基材分别进行表面的打磨处理,将铝带加热至400-450℃,将钢带加热至500-550℃,然后进行350~450℃热轧复合,轧制力为900t,热轧速度为5~15m/min;在加热过程中采用氮氢混合气保护钢带和铝带不氧化。热轧复合过程中轧辊上的多余轧制润滑油被较宽的铝带上表面阻断,避免使润滑油进入铝带和钢带之间造成边部气泡。控制第一道次加工率为22.5%,制得总厚度为1.65mm钢铝复合板带,并且所得的钢铝复合板带的钢层和铝层之间实现良好的冶金复合,钢铝复合强度≥20N/mm。经过退火处理的温度为450℃,时间为10h后,再进行轧制速度为200m/min、轧制温度为50~80℃的冷轧,冷轧第一道次加工率为10%。即得1.5mm的符合厨具用钢铝复合板带。得到的钢铝复合板带中钢占到总体积的13.33%,钢铝复合板带的延伸率22%,复合强度≥20N/mm,边部气泡减少96%。
(实施例2)
本实施例的厨具用钢铝复合板带的生产方法,包括如下步骤:
将宽度为715mm铝板带皮材与宽度为700mm DC05低碳钢板带基材分别进行表面的打磨处理。将铝带加热至400-450℃,将钢带加热至500-550℃,然后进行350~450℃热轧复合,热轧速度为6~15m/min;在加热过程中采用氮氢混合气保护钢带和铝带不氧化。热轧复合的轧制力为800-1100t。热轧复合过程中轧辊上的多余轧制润滑油被较宽的铝带上表面阻断,避免使润滑油进入铝带和钢带之间造成边部气泡。控制第一道次加工率为22.5%,制得总厚度为1.65mm钢铝复合板带,并且所得的钢铝复合板带的钢层和铝层之间实现良好的冶金复合,钢铝复合强度≥20N/mm。经过退火处理的温度为450℃,时间为10h后,再进行轧制速度为200m/min、轧制温度为50~80℃的冷轧,冷轧第一道次加工率为5-15%,即得1.5mm的符合厨具用钢铝复合板带。得到的钢铝复合板带中钢占到总体积的13.33%,钢铝复合板带的延伸率22%,复合强度≥20N/mm,边部气泡减少98%。
以上所述的具体实施例,对本发明的目的、技术方案和有益效果进行了进一步详细说明,所应理解的是,以上所述仅为本发明的具体实施例而已,并不用于限制本发明,凡在本发明的精神和原则之内,所做的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (5)
1.一种钢铝复合板带的生产方法,其特征在于步骤如下:
S1.下料:根据需要选择铝带和钢带的厚度和宽度,铝带宽度大于钢带宽度10-20mm;
S2.表面处理:对铝带和钢带分别进行表面打磨处理;
S3.热轧复合:将铝带加热至400-450℃,将钢带加热至500-550℃,在加热过程中采用氮氢混合气保护钢带和铝带不氧化;将加热的铝带放置在加热的钢带上在350~450℃温度下轧制复合,制得1.2-3.5mm厚的钢铝复合板带;
S4.退火:热轧复合后的钢铝复合板带进行退火,退火温度为350-500℃,时间为10-15h;
S5.冷轧:退火后的钢铝复合板带进行冷轧,轧制温度为50-100℃,制得1.0-3.0mm的钢铝复合板带。
2.根据权利要求1所述的钢铝复合板带的生产方法,其特征在于:所述S3中轧制速度为5-15m/min,热轧复合第一道次加工率为20-35%。
3.根据权利要求1所述的钢铝复合板带的生产方法,其特征在于:所述S5中冷轧速度为200-300m/min,冷轧第一道次加工率为5-15%。
4.根据权利要求1所述的钢铝复合板带的生产方法,其特征在于:所述S3中热轧复合的轧制力为800-1100t。
5.根据权利要求1所述的钢铝复合板带的生产方法,其特征在于:所述S3中热轧复合过程中轧辊上的多余轧制润滑油被较宽的铝带上表面阻断,避免使润滑油进入铝带和钢带之间造成边部气泡。
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CN111001658A (zh) * | 2019-12-17 | 2020-04-14 | 南京工程学院 | 一种汽车覆盖件用钢铝复合板及其制备方法 |
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CN1586751A (zh) * | 2004-08-27 | 2005-03-02 | 东北大学 | 不锈钢/铝复合板热辊轧制方法 |
CN202278019U (zh) * | 2011-08-08 | 2012-06-20 | 银邦金属复合材料股份有限公司 | 一种用于铝钢复合带加工的轧制润滑装置 |
CN107716549A (zh) * | 2017-11-02 | 2018-02-23 | 洛阳铜鑫复合材料科技有限公司 | 一种钢铝复合板带及其生产方法 |
CN111001658A (zh) * | 2019-12-17 | 2020-04-14 | 南京工程学院 | 一种汽车覆盖件用钢铝复合板及其制备方法 |
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