CN110552001A - 一种铝合金型材的表面处理工艺 - Google Patents

一种铝合金型材的表面处理工艺 Download PDF

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CN110552001A
CN110552001A CN201810561135.3A CN201810561135A CN110552001A CN 110552001 A CN110552001 A CN 110552001A CN 201810561135 A CN201810561135 A CN 201810561135A CN 110552001 A CN110552001 A CN 110552001A
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aluminum alloy
coating
alloy pipe
powder
metal film
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马正平
盛芳
郭君会
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Jiangsu Power Curtain Wall System Engineering Co Ltd
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    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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    • C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
    • C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
    • C09D127/04—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C09D127/06—Homopolymers or copolymers of vinyl chloride
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/63—Additives non-macromolecular organic
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C24/00—Coating starting from inorganic powder
    • C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
    • C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C24/00—Coating starting from inorganic powder
    • C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
    • C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
    • C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C24/00—Coating starting from inorganic powder
    • C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
    • C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
    • C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
    • C23C24/106—Coating with metal alloys or metal elements only
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend

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Abstract

本发明提出一种铝合金型材的表面处理工艺，包括步骤：对铝合金管材的表面进行预处理，清除表面的粉尘和污渍；对铝合金管材表面进行抛光处理，去除铝合金管材表面的氧化膜；将单一金属粉末或合金粉末涂覆在铝合金管材表面，通过激光扫描使涂层融化，在铝合金管材表面形成一层金属膜；金属膜冷却后，将三氧化二铝粉末和硅粉末混合后涂覆在金属膜表面，再通过激光扫描使三氧化二铝粉末和硅粉末融化，在金属膜外层形成陶瓷层；将聚氯乙烯树脂、硅油、丙三醇、松香溶液充分混合形成混合涂料，将混合涂料涂覆在陶瓷层外。本发明可实现铝合金表面快速硬化，且形成的硬化膜与铝合金本体结合度高，不易脱落，不易开裂，增加了铝合金制门窗的使用寿命。

Description

一种铝合金型材的表面处理工艺
技术领域
本发明涉及铝合金门窗生产领域，尤其是一种铝合金型材的表面处理工艺。
背景技术
铝合金具有刚性好、质量轻、颜色好看、造价低廉的优点，因此广泛应用于门窗的制作领域，但是铝合金硬度较低，不耐磨，在使用过程中损耗率较高，因此需要做表面硬化处理。现有的铝合金表面硬化处理的方法主要为以下几种：化学氧化、电化学氧化、硬质阳极氧化；但是，化学氧化形成的氧化膜硬度较低，不耐磨，经过一段时间的使用后容易磨损脱落；电化学氧化工艺繁琐，加工速度慢，且电化学溶剂对环境有污染；硬质阳极氧化所形成的氧化膜的膜内应力较大，容易开裂，且能够适应的合金品种较少。
发明内容
发明目的：为解决上述技术问题，本发明提出一种铝合金型材的表面处理工艺。
技术方案：本发明提出一种铝合金型材的表面处理工艺，包括步骤：
(1)对铝合金管材的表面进行预处理，清除表面的粉尘和污渍；
(2)对铝合金管材表面进行抛光处理，去除铝合金管材表面的氧化膜；
(3)将单一金属粉末或合金粉末涂覆在铝合金管材表面，通过激光扫描使涂层融化，在铝合金管材表面形成一层金属膜；
(4)金属膜冷却后，将三氧化二铝粉末和硅粉末混合后涂覆在金属膜表面，再通过激光扫描使三氧化二铝粉末和硅粉末融化，在金属膜外层形成陶瓷层；
(5)将聚氯乙烯树脂、硅油、丙三醇、松香溶液充分混合形成混合涂料，将混合涂料涂覆在陶瓷层外。
进一步的，所述预处理步骤为：采用温度为40～65℃的弱碱性溶液对铝合金管材表面进行清洗，再用无水乙醇擦洗铝合金管材表面。
进一步的，所述抛光处理的步骤为：在惰性气体环境内，采用喷砂设备，向铝合金管材表面喷射细小的玻璃球颗粒。
进一步的，所述步骤(3)中的金属粉末硬度较铝合金硬度大。
进一步的，所述聚氯乙烯树脂、硅油、丙三醇、松香溶液的配比为：
聚氯乙烯树脂80～100份，硅油15～25份，丙三醇2～10份，松香溶液5～25份。
有益效果：本发明可实现铝合金表面快速硬化，且形成的硬化膜与铝合金本体结合度高，不易脱落，不易开裂，易于清洗，增加了铝合金制门窗的使用寿命。且加工过程中减少化学废料的产生，节约成本的同时利于环保。
具体实施方式
下面对本发明做更进一步的解释。
一种铝合金型材的表面处理工艺，包括步骤：
(1)对铝合金管材的表面进行预处理，清除铝合金管材表面的粉尘和污渍；
(2)对铝合金管材表面进行抛光处理，去除铝合金管材表面的氧化膜；
(3)将单一金属粉末或合金粉末涂覆在铝合金管材表面，通过激光扫描使涂层融化，在铝合金管材表面形成一层金属膜；单一金属粉末或者合金粉末中的各成分的硬度都要较铝合金的硬度大；
(4)金属膜冷却后，将三氧化二铝粉末和硅粉末混合后涂覆在金属膜表面，再通过激光扫描使三氧化二铝粉末和硅粉末融化，在金属膜外层形成陶瓷层；
(5)将聚氯乙烯树脂、硅油、丙三醇、松香溶液充分混合形成混合涂料，将混合涂料涂覆在陶瓷层外。
本实施例中，预处理的步骤为：采用温度为40～65℃的弱碱性溶液对铝合金管材表面进行清洗，去除铝合金管材表面的油性污渍，再用无水乙醇擦洗铝合金管材表面，清除碱性溶液的残留物。
抛光处理的步骤为：在惰性气体环境内，采用喷砂设备，向铝合金管材表面喷射细小的玻璃球颗粒，采用高速运动的玻璃球颗粒对铝合金管材表面进行喷射，可有效去除管材表面的毛刺和氧化产生的凸起，而惰性气体环境，可避免新露出的铝合金表面与空气接触，并在摩擦所产生的高温环境中再次发生氧化。
混合涂料是为了让铝合金表面更耐磨，优选的，所述聚氯乙烯树脂、硅油、丙三醇、松香溶液的配比为：
聚氯乙烯树脂80～100份
硅油15～25份
丙三醇2～10份
松香溶液5～25份。
本发明可实现铝合金表面快速硬化，且形成的硬化膜与铝合金本体结合度高，不易脱落，不易开裂，易于清洗，增加了铝合金制门窗的使用寿命。
以上所述仅是本发明的优选实施方式，应当指出：对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。

Claims (5)

1.一种铝合金型材的表面处理工艺，其特征在于，包括步骤：
(1)对铝合金管材的表面进行预处理，清除表面的粉尘和污渍；
(2)对铝合金管材表面进行抛光处理，去除铝合金管材表面的氧化膜；
(3)将单一金属粉末或合金粉末涂覆在铝合金管材表面，通过激光扫描使涂层融化，在铝合金管材表面形成一层金属膜；
(4)金属膜冷却后，将三氧化二铝粉末和硅粉末混合后涂覆在金属膜表面，再通过激光扫描使三氧化二铝粉末和硅粉末融化，在金属膜外层形成陶瓷层；
(5)将聚氯乙烯树脂、硅油、丙三醇、松香溶液充分混合形成混合涂料，将混合涂料涂覆在陶瓷层外。
2.根据权利要求1所述的一种铝合金型材的表面处理工艺，其特征在于，所述预处理步骤为：采用温度为40～65℃的弱碱性溶液对铝合金管材表面进行清洗，再用无水乙醇擦洗铝合金管材表面。
3.根据权利要求1所述的一种铝合金型材的表面处理工艺，其特征在于，所述抛光处理的步骤为：在惰性气体环境内，采用喷砂设备，向铝合金管材表面喷射细小的玻璃球颗粒。
4.根据权利要求1所述的一种铝合金型材的表面处理工艺，其特征在于，所述步骤(3)中的金属粉末硬度较铝合金硬度大。
5.根据权利要求1所述的一种铝合金型材的表面处理工艺，其特征在于，所述聚氯乙烯树脂、硅油、丙三醇、松香溶液的配比为：
聚氯乙烯树脂80～100份，硅油15～25份，丙三醇2～10份，松香溶液5～25份。
CN201810561135.3A 2018-06-04 2018-06-04 一种铝合金型材的表面处理工艺 Withdrawn CN110552001A (zh)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN115161651A (zh) * 2022-05-13 2022-10-11 山东裕航特种合金装备有限公司 一种适用于铝合金铸件局部表面的处理装置及方法

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CN102560483A (zh) * 2010-12-30 2012-07-11 鸿富锦精密工业（深圳）有限公司 铝及铝合金表面防腐处理方法及其制品
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CN105925977A (zh) * 2016-04-27 2016-09-07 贵州航天风华精密设备有限公司 一种铝合金构件的表面处理方法
CN106702374A (zh) * 2016-11-18 2017-05-24 无锡明盛纺织机械有限公司 一种铝合金激光熔覆耐磨涂层的方法

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Publication number Priority date Publication date Assignee Title
JP2003286559A (ja) * 2002-03-28 2003-10-10 Kurimoto Ltd 鉄系基材の防食皮膜および防食方法
CN102560483A (zh) * 2010-12-30 2012-07-11 鸿富锦精密工业（深圳）有限公司 铝及铝合金表面防腐处理方法及其制品
CN103862750A (zh) * 2012-12-12 2014-06-18 毛华军 一种含耐磨涂层的铝合金
CN105039979A (zh) * 2015-03-16 2015-11-11 广东欧珀移动通信有限公司 一种具有复合结构的铝或铝合金及其制备工艺
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CN106702374A (zh) * 2016-11-18 2017-05-24 无锡明盛纺织机械有限公司 一种铝合金激光熔覆耐磨涂层的方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115161651A (zh) * 2022-05-13 2022-10-11 山东裕航特种合金装备有限公司 一种适用于铝合金铸件局部表面的处理装置及方法

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Application publication date: 20191210