CN112030019A - 一种装饰用高光泽铝合金型材的制备方法 - Google Patents

一种装饰用高光泽铝合金型材的制备方法 Download PDF

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CN112030019A
CN112030019A CN202010883909.1A CN202010883909A CN112030019A CN 112030019 A CN112030019 A CN 112030019A CN 202010883909 A CN202010883909 A CN 202010883909A CN 112030019 A CN112030019 A CN 112030019A
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吴蜜莉
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Huzhou Nanxun Chaosheng Metal Products Co ltd
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Abstract

本发明公开了一种装饰用高光泽铝合金型材的制备方法,包括以下步骤:各种合金放入炉内升温,炉温调升至720‑750℃,待合金熔化后再加入其余的钛铝合金、纯铝锭,熔化为铝合金液;降低铝合金液的温度至680‑700℃,向铝合金液中加入锌块、镁块,搅拌,将精炼剂用铝箔包好,然后用钟罩压入铝液中,精炼15‑20分钟,进行扒渣;使溶液温度保持在680‑700℃,静置10‑20分钟,扒渣后浇注得到铝合金;然后对铝合金进行挤出、压平、抛光和阳极氧化,即可得到装饰用高光泽铝合金型材。本发明的装饰用高光泽铝合金型材通过配方的调整和制备方法的改善,力学性能及氧化效果得以提升,适合装饰用铝型材的要求。

Description

一种装饰用高光泽铝合金型材的制备方法
技术领域
本发明涉及铝合金制备技术领域,特别是涉及一种装饰用高光泽铝合金型材的制备方法。
背景技术
铝合金型材广泛应用于门窗、幕墙、室内天花、门隔、家电、卫浴等产品的装饰中,因此,对铝合金型材外观提出了越来越高的要求,即对铝合金型材的表面处理提出了越来越高的要求。
常用的铝合金型材的表面处理工艺有 :阳极氧化、电泳涂装、粉末喷涂、喷漆、抛光、热转印等,普通阳极氧化后的铝材,其表面机械纹理明显,电泳涂装是在铝型材阳极氧化基础上再复合一层透明膜,可使铝材表面具有光滑的效果,但会对铝材的缺陷放大,抛光使铝材表面具有镜面效果,但成本高,适用性较窄,热转印、喷涂、喷漆的铝型材无铝的金属本色,影响美观,为了提升铝合金型材的外观,提升经济价值,本发明提供了一种装饰用高光泽铝合金型材的制备方法。
发明内容
基于背景技术存在的技术问题,本发明提出了一种装饰用高光泽铝合金型材的制备方法。
一种装饰用高光泽铝合金型材的制备方法,包括以下步骤:
S1、按重量百分比,将一定量的锰铝合金、钛铝合金、锆铝合金和硅放入炉内升温,炉温调升至720-750℃,待合金熔化后再加入其余的钛铝合金、纯铝锭,熔化为铝合金液;
S2、降低铝合金液的温度至680-700℃,向铝合金液中加入锌块、镁块,搅拌,将精炼剂用铝箔包好,然后用钟罩压入铝液中,精炼15-20分钟,进行扒渣;
S3、使溶液温度保持在 680-700℃,静置 10-20分钟,扒渣后浇注得到铝合金;
S4、利用挤压机将加热好的圆锭从扁管模具中挤出成为扁管形状,模具温度 500-520℃,挤压速度 10-15m/min, 挤压压力180-220 kg/N;扁管表面温度至100-120℃后,放入0-3℃水中进行淬火处理2-3分钟,水温升高后向其中加冰块保持水温;将挤压成型的铝合金扁管放入压面机中压平,再对压平的铝合金扁管进行矫直;
S5、采用磷酸对铝合金扁管表面进行化学抛光,然后采用硫酸和铝离子进行阳极氧化,即可。
优选的,所述的装饰用高光泽铝合金型材,由以下重量百分比的成分组成:Si2.5-3.5%、Fe0.35-0.45%、Mn0.02-0.08%、Mg2.8-3.5%、Ga0.22-0.35%、Zr0.18-0.25%、Ni0.05-0.08%、Ti0.25-0.45%、Sn0.02-0.05%、精炼剂1.2-2%、余量为Al。
优选的,所述的精炼剂为氯化钾和碳酸钾。
优选的,所述的精炼剂中氯化钾和碳酸钾重量比为(2-10):1。
本发明具有以下有益效果:本发明的装饰用高光泽铝合金型材,包括以下步骤:各种合金放入炉内升温,炉温调升至720-750℃,待合金熔化后再加入其余的钛铝合金、纯铝锭,熔化为铝合金液;降低铝合金液的温度至 680-700℃,向铝合金液中加入锌块、镁块,搅拌,将精炼剂用铝箔包好,然后用钟罩压入铝液中,精炼 15-20分钟,进行扒渣;使溶液温度保持在680-700℃,静置 10-20分钟,扒渣后浇注得到铝合金;然后对铝合金进行挤出、压平、抛光和阳极氧化,即可得到装饰用高光泽铝合金型材。本发明的装饰用高光泽铝合金型材通过配方的调整和制备方法的改善;制备的铝合金的力学性能及氧化效果得以提升,适合装饰用铝型材的要求。
除了上面所描述的目的、特征和优点之外,本发明还有其它的目的、特征和优点。下面将对本发明作进一步详细的说明。
具体实施方式
以下对本发明的实施例进行详细说明,但是本发明可以根据权利要求限定和覆盖的多种不同方式实施。
实施例1
一种装饰用高光泽铝合金型材的制备方法,包括以下步骤:
S1、按重量百分比,将一定量的锰铝合金、钛铝合金、锆铝合金和硅放入炉内升温,炉温调升至735℃,待合金熔化后再加入其余的钛铝合金、纯铝锭,熔化为铝合金液;
S2、降低铝合金液的温度至695℃,向铝合金液中加入锌块、镁块,搅拌,将精炼剂用铝箔包好,然后用钟罩压入铝液中,精炼18分钟,进行扒渣;
S3、使溶液温度保持在 695℃,静置 15分钟,扒渣后浇注得到铝合金;
S4、利用挤压机将加热好的圆锭从扁管模具中挤出成为扁管形状,模具温度 505℃,挤压速度 12m/min, 挤压压力195 kg/N;扁管表面温度至110℃后,放入0-3℃水中进行淬火处理2.5分钟,水温升高后向其中加冰块保持水温;将挤压成型的铝合金扁管放入压面机中压平,再对压平的铝合金扁管进行矫直;
S5、采用磷酸对铝合金扁管表面进行化学抛光,然后采用硫酸和铝离子进行阳极氧化,即可。
所述的装饰用高光泽铝合金型材,由以下重量百分比的成分组成:Si3.1%、Fe0.42%、Mn0.05%、Mg2.9%、Ga0.27%、Zr0.20%、Ni0.07%、Ti0.30%、Sn0.03%、精炼剂1.5%、余量为Al。
所述的精炼剂为氯化钾和碳酸钾;氯化钾和碳酸钾重量比为3:1。
实施例2
一种装饰用高光泽铝合金型材的制备方法,包括以下步骤:
S1、按重量百分比,将一定量的锰铝合金、钛铝合金、锆铝合金和硅放入炉内升温,炉温调升至720℃,待合金熔化后再加入其余的钛铝合金、纯铝锭,熔化为铝合金液;
S2、降低铝合金液的温度至700℃,向铝合金液中加入锌块、镁块,搅拌,将精炼剂用铝箔包好,然后用钟罩压入铝液中,精炼15分钟,进行扒渣;
S3、使溶液温度保持在 700℃,静置 10分钟,扒渣后浇注得到铝合金;
S4、利用挤压机将加热好的圆锭从扁管模具中挤出成为扁管形状,模具温度 520℃,挤压速度 10m/min, 挤压压力220 kg/N;扁管表面温度至100℃后,放入0-3℃水中进行淬火处理3分钟,水温升高后向其中加冰块保持水温;将挤压成型的铝合金扁管放入压面机中压平,再对压平的铝合金扁管进行矫直;
S5、采用磷酸对铝合金扁管表面进行化学抛光,然后采用硫酸和铝离子进行阳极氧化,即可。
所述的装饰用高光泽铝合金型材,由以下重量百分比的成分组成:Si3.5%、Fe0.35%、Mn0.08%、Mg2.8%、Ga0.35%、Zr0.18%、Ni0.08%、Ti0.25%、Sn0.05%、精炼剂1.2%、余量为Al。
所述的精炼剂为氯化钾和碳酸钾;氯化钾和碳酸钾重量比为2:1。
实施例3
一种装饰用高光泽铝合金型材的制备方法,包括以下步骤:
S1、按重量百分比,将一定量的锰铝合金、钛铝合金、锆铝合金和硅放入炉内升温,炉温调升至750℃,待合金熔化后再加入其余的钛铝合金、纯铝锭,熔化为铝合金液;
S2、降低铝合金液的温度至680℃,向铝合金液中加入锌块、镁块,搅拌,将精炼剂用铝箔包好,然后用钟罩压入铝液中,精炼20分钟,进行扒渣;
S3、使溶液温度保持在 680℃,静置 20分钟,扒渣后浇注得到铝合金;
S4、利用挤压机将加热好的圆锭从扁管模具中挤出成为扁管形状,模具温度 500℃,挤压速度 15m/min, 挤压压力180 kg/N;扁管表面温度至120℃后,放入0-3℃水中进行淬火处理2分钟,水温升高后向其中加冰块保持水温;将挤压成型的铝合金扁管放入压面机中压平,再对压平的铝合金扁管进行矫直;
S5、采用磷酸对铝合金扁管表面进行化学抛光,然后采用硫酸和铝离子进行阳极氧化,即可。
所述的装饰用高光泽铝合金型材,由以下重量百分比的成分组成:Si2.5%、Fe0.45%、Mn0.02%、Mg3.5%、Ga0.22%、Zr0.25%、Ni0.05%、Ti0.45%、Sn0.02%、精炼剂2%、余量为Al。
所述的精炼剂为氯化钾和碳酸钾;精炼剂中氯化钾和碳酸钾重量比为4:1。
以下对实施例1-3的样品的物理性质进行测试,测试结果如表1所示:
表1:
抗拉强度(MPa) 延展率(%) 外观阳极氧化效果
实施例1 358 11.8 很好
实施例2 342 11.5 很好
实施例3 347 11.7 很好
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,根据本发明的技术方案及其发明构思加以等同替换或改变,都应涵盖在本发明的保护范围之内。

Claims (4)

1.一种装饰用高光泽铝合金型材的制备方法,其特征在于,包括以下步骤:
S1、按重量百分比,将一定量的锰铝合金、钛铝合金、锆铝合金和硅放入炉内升温,炉温调升至720-750℃,待合金熔化后再加入其余的钛铝合金、纯铝锭,熔化为铝合金液;
S2、降低铝合金液的温度至 680-700℃,向铝合金液中加入锌块、镁块,搅拌,将精炼剂用铝箔包好,然后用钟罩压入铝液中,精炼 15-20分钟,进行扒渣;
S3、使溶液温度保持在 680-700℃,静置 10-20分钟,扒渣后浇注得到铝合金;
S4、利用挤压机将加热好的圆锭从扁管模具中挤出成为扁管形状,模具温度 500-520℃,挤压速度 10-15m/min, 挤压压力180-220 kg/N;扁管表面温度至100-120℃后,放入0-3℃水中进行淬火处理2-3分钟,水温升高后向其中加冰块保持水温;将挤压成型的铝合金扁管放入压面机中压平,再对压平的铝合金扁管进行矫直;
S5、采用磷酸对铝合金扁管表面进行化学抛光,然后采用硫酸和铝离子进行阳极氧化,即可。
2.如权利要求1所述的装饰用高光泽铝合金型材的制备方法,其特征在于,所述的装饰用高光泽铝合金型材,由以下重量百分比的成分组成:Si2.5-3.5%、Fe0.35-0.45%、Mn0.02-0.08%、Mg2.8-3.5%、Ga0.22-0.35%、Zr0.18-0.25%、Ni0.05-0.08%、Ti0.25-0.45%、Sn0.02-0.05%、精炼剂1.2-2%、余量为Al。
3.如权利要求2所述的装饰用高光泽铝合金型材的制备方法,其特征在于,所述的精炼剂为氯化钾和碳酸钾。
4.如权利要求3所述的装饰用高光泽铝合金型材的制备方法,其特征在于,所述的精炼剂中氯化钾和碳酸钾重量比为(2-10):1。
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59157255A (ja) * 1983-02-25 1984-09-06 Nippon Light Metal Co Ltd 超精密鏡面加工用アルミニウム合金素材
CN103643235A (zh) * 2013-11-29 2014-03-19 台澳铝业(台山)有限公司 一种高光亮度铝合金抛光型材及其生产工艺
CN108165783A (zh) * 2017-11-20 2018-06-15 湖州亨达铝业有限公司 一种自行车用铝合金的制备方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59157255A (ja) * 1983-02-25 1984-09-06 Nippon Light Metal Co Ltd 超精密鏡面加工用アルミニウム合金素材
CN103643235A (zh) * 2013-11-29 2014-03-19 台澳铝业(台山)有限公司 一种高光亮度铝合金抛光型材及其生产工艺
CN108165783A (zh) * 2017-11-20 2018-06-15 湖州亨达铝业有限公司 一种自行车用铝合金的制备方法

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