CN104404486A - 一种铝材氧化后的处理方法 - Google Patents

一种铝材氧化后的处理方法 Download PDF

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Publication number
CN104404486A
CN104404486A CN201410615255.9A CN201410615255A CN104404486A CN 104404486 A CN104404486 A CN 104404486A CN 201410615255 A CN201410615255 A CN 201410615255A CN 104404486 A CN104404486 A CN 104404486A
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aluminum
aluminium material
water
wiping
mixing solutions
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王洪初
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Wuxi Hongsheng Aluminium Industry Co Ltd
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Wuxi Hongsheng Aluminium Industry Co Ltd
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Priority to CN201410615255.9A priority Critical patent/CN104404486A/zh
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    • 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
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/24—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing hexavalent chromium compounds
    • 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
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/78—Pretreatment of the material to be coated

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  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

Abstract

本发明提供一种铝材氧化后的处理方法，首先采用除氧化皮机对铝材表面进行氧化皮处理，再采用湿法喷砂处理铝材，然后用脱脂棉沾溶剂进行擦拭，除去油污后，再以清洁的棉布擦拭数次；配置混合溶液，浓硫酸27.3%、重铬酸钾7.5%、水65.2%，使该混合溶液保温在60-65°C之间，将铝材浸渍在该混合溶液10-30min后取出，再用水冲洗和晾干或在80°C以下烘干。采用该种处理方法，对于严重氧化的金属表面，氧化层较厚，也能够处理干净。

Description

一种铝材氧化后的处理方法
技术领域
本发明涉及一种铝材氧化后的处理方法，属于机械技术领域。
背景技术
铝材内部含硅量比较多，所以不能使用氧化工序，这样会使硅氧化，变黑，而且不均匀。具体是金属表面在各种热处理、机械加工、运输及保管过程中，不可避免地会被氧化，产生一层厚薄不均的氧化层。同时，也容易受到各种油类污染和吸附一些其他的杂质。
发明内容
本发明提供一种铝材氧化后的处理方法，方法简单有效，能够去除铝材表面氧化物质及杂质，使铝材顺利进行下一道工序。
为解决以上技术问题，本发明提供如下技术方案：一种铝材氧化后的处理方法，首先采用除氧化皮机对铝材表面进行氧化皮处理，再采用湿法喷砂处理铝材，然后用脱脂棉沾溶剂进行擦拭，除去油污后，再以清洁的棉布擦拭数次；配置混合溶液，浓硫酸27.3%、重铬酸钾7.5%、水65.2%，使该混合溶液保温在60-65°C之间，将铝材浸渍在该混合溶液10-30min后取出，再用水冲洗和晾干或在80°C以下烘干。
进一步地，所述溶剂为三氯乙烯、醋酸乙酯、丙酮、丁酮或汽油。
进一步地，所述溶剂由35kg水、1.5kg脱脂剂及1.5kg添加剂组成。
 本发明涉及的这种铝材氧化后的处理方法，油污及某些吸附物，较薄的氧化层可先后用溶剂清洗和化学处理，或直接用化学处理。对于严重氧化的金属表面，氧化层较厚，就不能直接用溶剂清洗和化学处理，因此，应先进行机械处理，即采用除氧化皮机对铝材表面进行初步处理，使其表面的氧化层变薄，然后再采用溶剂清洗、化学处理，如此可使铝材表面更加光洁，为下一道胶接工序做准备。
具体实施方式
一种铝材氧化后的处理方法，首先采用除氧化皮机对铝材表面进行氧化皮处理，再采用湿法喷砂处理铝材，然后用脱脂棉沾溶剂进行擦拭，除去油污后，再以清洁的棉布擦拭数次；配置混合溶液，浓硫酸27.3%、重铬酸钾7.5%、水65.2%，使该混合溶液保温在60-65°C之间，将铝材浸渍在该混合溶液10-30min后取出，再用水冲洗和晾干或在80°C以下烘干。
所述溶剂为三氯乙烯、醋酸乙酯、丙酮、丁酮或汽油。
所述溶剂由35kg水、1.5kg脱脂剂及1.5kg添加剂组成。
实施例1
一种铝材氧化后的处理方法，首先采用除氧化皮机对铝材表面进行氧化皮处理，再采用湿法喷砂处理铝材，然后用脱脂棉沾溶剂进行擦拭，除去油污后，再以清洁的棉布擦拭数次；配置混合溶液，浓硫酸27.3%、重铬酸钾7.5%、水65.2%，使该混合溶液保温在63°C，将铝材浸渍在该混合溶液20min后取出，再用水冲洗和晾干或在80°C以下烘干。
本发明所述的具体实施方式并不构成对本申请范围的限制，凡是在本发明构思的精神和原则之内，本领域的专业人员能够作出的任何修改、等同替换和改进等均应包含在本发明的保护范围之内。

Claims (3)

1.一种铝材氧化后的处理方法，其特征在于，首先采用除氧化皮机对铝材表面进行氧化皮处理，再采用湿法喷砂处理铝材，然后用脱脂棉沾溶剂进行擦拭，除去油污后，再以清洁的棉布擦拭数次；配置混合溶液，浓硫酸27.3%、重铬酸钾7.5%、水65.2%，使该混合溶液保温在60-65°C之间，将铝材浸渍在该混合溶液10-30min后取出，再用水冲洗和晾干或在80°C以下烘干。
2.根据权利要求1所述的一种铝材氧化后的处理方法，其特征在于，所述溶剂为三氯乙烯、醋酸乙酯、丙酮、丁酮或汽油。
3.根据权利要求1所述的一种铝材氧化后的处理方法，其特征在于，所述溶剂由35kg水、1.5kg脱脂剂及1.5kg添加剂组成。
CN201410615255.9A 2014-11-05 2014-11-05 一种铝材氧化后的处理方法 Pending CN104404486A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106835096A (zh) * 2016-12-20 2017-06-13 张家港市固业金属制品有限公司 一种铝质压铸件的表面处理工艺
CN106939419A (zh) * 2017-02-15 2017-07-11 张家港市固业金属制品有限公司 压铸铝洗白钝化工艺

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0557531A1 (en) * 1991-09-04 1993-09-01 Furukawa Aluminum Co., Ltd. Aluminum alloy sheet for automotive body and production thereof
CN101418461A (zh) * 2008-11-13 2009-04-29 孙国云 模具的表面处理方法
CN103938205A (zh) * 2014-04-24 2014-07-23 上海坤孚企业(集团)有限公司 一种铝合金表面处理方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0557531A1 (en) * 1991-09-04 1993-09-01 Furukawa Aluminum Co., Ltd. Aluminum alloy sheet for automotive body and production thereof
CN101418461A (zh) * 2008-11-13 2009-04-29 孙国云 模具的表面处理方法
CN103938205A (zh) * 2014-04-24 2014-07-23 上海坤孚企业(集团)有限公司 一种铝合金表面处理方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
童忠良: "《胶黏剂最新设计制备手册》", 31 July 2010, 化学工业出版社 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106835096A (zh) * 2016-12-20 2017-06-13 张家港市固业金属制品有限公司 一种铝质压铸件的表面处理工艺
CN106939419A (zh) * 2017-02-15 2017-07-11 张家港市固业金属制品有限公司 压铸铝洗白钝化工艺

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