CN113857245A - 铜铝复合金属板带的制备工艺 - Google Patents

铜铝复合金属板带的制备工艺 Download PDF

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CN113857245A
CN113857245A CN202111150722.1A CN202111150722A CN113857245A CN 113857245 A CN113857245 A CN 113857245A CN 202111150722 A CN202111150722 A CN 202111150722A CN 113857245 A CN113857245 A CN 113857245A
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简伟民
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B1/00Metal-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
    • B21B1/22Metal-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
    • B21B1/24Metal-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 in a continuous or semi-continuous process
    • B21B1/26Metal-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 in a continuous or semi-continuous process by hot-rolling, e.g. Steckel hot mill
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B3/00Rolling 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B45/00Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/004Heating the product
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B45/00Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0269Cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B45/00Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/04Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing
    • B21B45/06Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing of strip material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B9/00Measures for carrying out rolling operations under special conditions, e.g. in vacuum or inert atmosphere to prevent oxidation of work; Special measures for removing fumes from rolling mills
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B3/00Rolling 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
    • B21B2003/001Aluminium or its alloys
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B3/00Rolling 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
    • B21B2003/005Copper or its alloys
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B2261/00Product parameters
    • B21B2261/20Temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B2265/00Forming parameters
    • B21B2265/02Tension
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B2265/00Forming parameters
    • B21B2265/12Rolling load or rolling pressure; roll force
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B2275/00Mill drive parameters
    • B21B2275/02Speed

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  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
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Abstract

本发明涉及铜铝复合材料领域领域的铜铝复合金属板带的制备工艺,该工艺包括以下步骤:预处理加热:铜带复合前预热,去除氧化层和油脂,提升铜带表面活化能,保证复合过程金属分子间结合力;碱洗脱脂:将铜带进行碱洗脱脂,并用钢刷打磨表面,去除铜带表面氧化层,并加铜带预加热至230—400℃;升温加热:将铝料加热,在线调节温度至620—670℃,得到处于半熔化半固体状态的铝料;无氧铸轧:在保护气环境中将半熔态的铝料与铜带打磨过的表面接触,进行无氧连续铸轧,得到铜铝复合板带坯料;二次精轧:对铜铝复合板带坯料进行二次精轧,校准板厚宽度,制得的铜铝复合板带厚度为2.5—15mm,其中铜层厚度为0.5~4mm,铜和铝的结合强度不低于铝的强度。

Description

铜铝复合金属板带的制备工艺
技术领域
本发明涉及铜铝复合材料领域,具体涉及铜铝复合金属板带的制备工艺。
背景技术
公开号为CN101758071B的中国专利公开了一种铝与铜复合金属板带的生产方法,该方法为将半固态的铝或铝合金和固态铜板带进行无氧连续铸轧,制得铝与铜复合金属板带。
现有技术存在的问题有:铝材加热至690—820℃,处于完全熔化状态,再静置5—15min,浇入注嘴中烧注冷去成半固态,再和铜板轧制复合。静置等待时间长,生产效率低。且先熔化再冷却制造半固态的方法对能量浪费较多,不坏保,因此,还需要开发新型的制备方法。
发明内容
本发明的目的是解决以上缺陷,提供铜铝复合金属板带的制备工艺。
本发明的目的是通过以下方式实现的:
铜铝复合金属板带的制备工艺,该工艺包括以下步骤:
第一步,预处理加热:铜带复合前预热,去除氧化层和油脂,提升铜带表面活化能,保证复合过程金属分子间结合力;
第二步,碱洗脱脂:将铜带进行碱洗脱脂,并用钢刷打磨表面,去除铜带表面氧化层,并加铜带预加热至230—400℃;
第三步,升温加热:将铝料加热,在线调节温度至620—670℃,得到处于半熔化半固体状态的铝料;
第四步,无氧铸轧:在保护气环境中将半熔态的铝料与铜带打磨过的表面接触,进行无氧连续铸轧,得到铜铝复合板带坯料;
第五步,二次精轧:对铜铝复合板带坯料进行二次精轧,校准板厚宽度,制得的铜铝复合板带厚度为2.5—15mm,其中铜层厚度为0.5~4mm,铜和铝的结合强度不低于铝的强度。
作为优选,所述第四步中;保护气环境中的气体为氮气或氨气。
作为优选,所述第四步中;轧制速度0.3—2.0m/s,轧制压力5*10^6N—14*10^6N,张力为3*10^6N—9x10^6N。
作为优选,所述第二步中,加铜带预加热至280℃,第二步中在线调节温度至640℃。
作为优选,所述第二步中加铜带预加热至230℃,第三步中,在线调节温度至650℃。
作为优选,所述第二步中加铜带预加热至400℃,第三步,中在线调节温度至660℃。
本发明所产生的有益效果是:
1、省去冷却时间和冷却过程的热量损失,提高生产效率和降低能源损耗。
2、无氧环境中轧制可防止轧制过程中,界面氧化,影响界面强度。发明要求参数范围内的轧制压力、轧制速度和收卷张力可保证界面复合结合强度大于铝材强度,界面剪切时只在铝材断裂,不会发生界面分离。
附图说明
图1为本发明实施例的方法流程示意图;
具体实施方式
下面结合附图与具体实施方式对本发明作进一步详细描述。
本实施例,参照图1,其具体实施的铜铝复合金属板带的制备工艺,包括以下步骤:
实施例一:
第一步,预处理加热:铜带复合前预热,去除氧化层和油脂,提升铜带表面活化能,保证复合过程金属分子间结合力;
第二步,碱洗脱脂:将1.8mm铜带进行碱洗脱脂,并用钢刷打磨表面,去除铜带表面氧化层,并加铜带预加热至280℃;
第三步,升温加热:将铝料加热,在线调节温度至640℃,得到处于半熔化半固体状态的铝料;
第四步,无氧铸轧:在保护气环境中将半熔态的铝料与铜带打磨过的表面接触,进行无氧连续铸轧,得到铜铝复合板带坯料;保护气环境中的气体为氮气,轧制速度0.6m/s,轧制压力8*10^6N,张力为
^
6*106N。
第五步,二次精轧:对铜铝复合板带坯料进行二次精轧,校准板厚宽度,制得的铜铝复合板带厚度为3.8mm,其中铜和铝的结合强度不低于铝的强度(界面剪切时只在铝材断裂,不会发生界面分离。
实施例二:
第一步,预处理加热:铜带复合前预热,去除氧化层和油脂,提升铜带表面活化能,保证复合过程金属分子间结合力;
第二步,碱洗脱脂:将0.5mm铜带进行碱洗脱脂,并用钢刷打磨表面,去除铜带表面氧化层,并加铜带预加热至230℃;
第三步,升温加热:将铝料加热,在线调节温度至650℃,得到处于半熔化半固体状态的铝料;
第四步,无氧铸轧:在保护气环境中将半熔态的铝料与铜带打磨过的表面接触,进行无氧连续铸轧,得到铜铝复合板带坯料;保护气环境中的气体为氦气,轧制速度1.3m/s,轧制压力5*10^6N,张力为
^
5*106N。
第五步,二次精轧:对铜铝复合板带坯料进行二次精轧,校准板厚宽度,制得的铜铝复合板带厚度为2.5mm,其中铜和铝的结台强度不低于铝的强度,界面剪切时只在铝材断裂,不会发生界面分离。
实施例三:
第一步,预处理加热:铜带复合前预热,去除氧化层和油脂,提升铜带表面活化能,保证复合过程金属分子间结合力;
第二步,碱洗脱脂:将6mm铜带进行碱洗脱脂,并用钢刷打磨表面,去除铜带表面氧化层,并加铜带预加热至400℃;
第三步,升温加热:将铝料加热,在线调节温度至660℃,得到处于半熔化半固体状态的铝料;
第四步,无氧铸轧:在保护气环境中将半熔态的铝料与铜带打磨过的表面接触,进行无氧连续铸轧,得到铜铝复合板带坯料;保护气环境中的气体为氦气,轧制速度1.0m/s,轧制压力9*10^6N,张力为
^
10*106N。
第五步,二次精轧:对铜铝复合板带坯料进行二次精轧,校准板厚度,制得的铜铝复合板带厚度为8.0mm,其中铜和铝的结合强度不低于铝的强度,界面剪切时只在铝材断裂,不会发生界面分离。
以上内容是结合具体的优选实施例对本发明所作的进一步详细说明,不能认定本发明的具体实施只局限于这些说明。对于本发明所属技术领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干简单推演或替换,都应视为本发明的保护范围。

Claims (6)

1.铜铝复合金属板带的制备工艺,其特征在于该工艺包括以下步骤:
第一步,预处理加热:铜带复合前预热,去除氧化层和油脂,提升铜带表面活化能,保证复合过程金属分子间结合力;
第二步,碱洗脱脂:将铜带进行碱洗脱脂,并用钢刷打磨表面,去除铜带表面氧化层,并加铜带预加热至230—400℃;
第三步,升温加热:将铝料加热,在线调节温度至620—670℃,得到处于半熔化半固体状态的铝料;
第四步,无氧铸轧:在保护气环境中将半熔态的铝料与铜带打磨过的表面接触,进行无氧连续铸轧,得到铜铝复合板带坯料;
第五步,二次精轧:对铜铝复合板带坯料进行二次精轧,校准板厚宽度,制得的铜铝复合板带厚度为2.5—15mm,其中铜层厚度为0.5~4mm,铜和铝的结合强度不低于铝的强度。
2.根据权利要求1所述的铜铝复合金属板带的制备工艺,其特征在于:第四步中;保护气环境中的气体为氮气或氨气。
3.根据权利要求1所述的铜铝复合金属板带的制备工艺,其特征在于:第四步中;轧制速度0.3—2.0m/s,轧制压力5*10^6N—14*10^6N,张力为3*10^6N—9x10^6N。
4.根据权利要求1所述的铜铝复合金属板带的制备工艺,其特征在于:第二步中,加铜带预加热至280℃,第三步中在线调节温度至640℃。
5.根据权利要求1所述的铜铝复合金属板带的制备工艺,其特征在于:第二步中加铜带预加热至230℃,第三步中,在线调节温度至650℃。
6.根据权利要求1所述的铜铝复合金属板带的制备工艺,其特征在于:第二步中加铜带预加热至400℃,第三步,中在线调节温度至660℃。
CN202111150722.1A 2021-09-29 2021-09-29 铜铝复合金属板带的制备工艺 Withdrawn CN113857245A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116065069A (zh) * 2023-02-17 2023-05-05 河南科技大学 一种CNTs增强Al预制块及其制备方法和Cu-Al复合板带及其制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116065069A (zh) * 2023-02-17 2023-05-05 河南科技大学 一种CNTs增强Al预制块及其制备方法和Cu-Al复合板带及其制备方法

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