CN111663129A - 一种化学镀铝合金工艺(氯化铝型) - Google Patents

一种化学镀铝合金工艺(氯化铝型) Download PDF

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CN111663129A
CN111663129A CN201910260654.0A CN201910260654A CN111663129A CN 111663129 A CN111663129 A CN 111663129A CN 201910260654 A CN201910260654 A CN 201910260654A CN 111663129 A CN111663129 A CN 111663129A
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plating
tin
aluminum
chemical
alloy
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唐文海
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    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C18/00Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/48Coating with alloys
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C18/00Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/18Pretreatment of the material to be coated
    • C23C18/1803Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces
    • C23C18/1824Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces by chemical pretreatment
    • C23C18/1827Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces by chemical pretreatment only one step pretreatment
    • C23C18/1831Use of metal, e.g. activation, sensitisation with noble metals

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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)
  • Chemically Coating (AREA)

Abstract

本发明化学镀铝合金工艺的特点:所有镀液工作温度均为20℃以上,镀液工作时不产生气体,镀液长期稳定,易调整,镀出的铝合金镀层为阳极镀层(对钢铁件而言),镀层光亮,为银白色,长期存放不变色。本发明是高节能又环保的加工工艺。

Description

一种化学镀铝合金工艺(氯化铝型)
说明书
本发明属化学镀技术领域。
本发明化学镀铝合金工艺,是以化学镀低锡青铜为底层,经化学镀薄层锡后,再化学镀铝合金。该工艺的特点:所有镀液工作温度均为20℃以上,镀液工作时不产生气体,镀液长期稳定,易调整,镀出的铝合金镀层为阳极镀层(对钢铁件而言)。镀层光亮为银白色,长期保存不变色。本发明是高度节能又环保的加工工艺。
本发明化学镀铝合金工艺,既为化学镀铝锡合金工艺。
本发明化学镀铝锡合金工艺的程序及工艺条件(以钢铁件为例):
1、除油除锈和钢铁件电镀预处理相同。
2、化学镀低锡青铜。
3、冷水清洗。
4、化学镀薄层锡。
镀液配方及工艺条件:
Figure BSA0000181271650000011
Figure BSA0000181271650000021
温度:20℃以上
处理时间:不超过一分钟
5、冷水清洗
6、化学镀铝锡合金。镀液配方:
Figure BSA0000181271650000022
温度:20℃以上
处理时间:40分钟以上
化学镀铝锡合金镀层形成的主要原理:当工件经过化学镀薄层锡后,化学镀铝合金中的锡盐产生歧化反应:
Figure BSA0000181271650000023
Figure BSA0000181271650000024
镀液中的Sn4-离子有较强的还原作用,可以使镀液中的Al3+还原沉积于工件表面,随之Sn自身也沉积,形成了 Al、Sn合金层,这样的过程反复进行,使Al、Sn合金层加厚。得到的Al、Sn合金层结构由三个Sn4-,可以还原四个Al3+离子,所以镀层成分Al约占60%左右,Sn约占40%左右。

Claims (3)

1.化学镀铝锡合金工艺,其特征在于化学镀低锡青铜为底层,经化学镀薄层锡后,最后进行化学镀铝锡合金。
2.根据权利要求1所述的化学镀铝锡合金工艺,其特征在于镀铝锡合金镀液的配方:
Figure FSA0000181271640000011
3.根据权利要求1所述的化学镀铝锡合金的特征,在于化学镀铝锡合金形成镀层主要原理:当工件经过化学镀薄层锡后,化学镀铝锡合金镀液中锡盐产生歧化反应:
Figure FSA0000181271640000012
Figure FSA0000181271640000013
镀液中的Sn4-离子有较强的还原作用,可以使镀液中的Al3+还原沉积于工件表面,随之Sn自身也沉积,形成了Al、Sn合金层,这样的过程反复进行,使Al、Sn合金层加厚。得到的Al、Sn合金层结构由三个Sn4-,可以还原Al3+离子,所以镀层的成分Al约占60%左右,Sn约占40%左右。
CN201910260654.0A 2019-03-06 2019-03-06 一种化学镀铝合金工艺(氯化铝型) Pending CN111663129A (zh)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06330330A (ja) * 1993-05-26 1994-11-29 Seiko Epson Corp アルミニウム無電解メッキ法
JP2008013845A (ja) * 2006-06-06 2008-01-24 Nobuyuki Koura 無電解アルミニウムめっき浴及びアルミニウムの無電解めっき方法
CN101210319A (zh) * 2007-12-21 2008-07-02 凌国平 化学镀铝溶液及化学镀铝方法
JP2014098180A (ja) * 2012-11-14 2014-05-29 Sumitomo Electric Ind Ltd めっき鋼線
CN104178755A (zh) * 2014-09-16 2014-12-03 朱忠良 一种金属镀层的涂覆方法
US9803283B1 (en) * 2013-10-18 2017-10-31 Hrl Laboratories, Llc Method of electroless deposition of aluminum or aluminum alloy, an electroless plating composition, and an article including the same
CN108505024A (zh) * 2018-06-29 2018-09-07 林忠华 化学镀镍-锡-铝-磷非晶态多功能合金镀液及其镀层

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06330330A (ja) * 1993-05-26 1994-11-29 Seiko Epson Corp アルミニウム無電解メッキ法
JP2008013845A (ja) * 2006-06-06 2008-01-24 Nobuyuki Koura 無電解アルミニウムめっき浴及びアルミニウムの無電解めっき方法
CN101210319A (zh) * 2007-12-21 2008-07-02 凌国平 化学镀铝溶液及化学镀铝方法
JP2014098180A (ja) * 2012-11-14 2014-05-29 Sumitomo Electric Ind Ltd めっき鋼線
US9803283B1 (en) * 2013-10-18 2017-10-31 Hrl Laboratories, Llc Method of electroless deposition of aluminum or aluminum alloy, an electroless plating composition, and an article including the same
CN104178755A (zh) * 2014-09-16 2014-12-03 朱忠良 一种金属镀层的涂覆方法
CN108505024A (zh) * 2018-06-29 2018-09-07 林忠华 化学镀镍-锡-铝-磷非晶态多功能合金镀液及其镀层

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
吕选忠等: "《元素生物学》", 31 January 2011, 中国科学技术大学出版社 *
姜晓霞等: "《化学镀理论及实践》", 30 June 2000, 国防工业出版社 *

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Application publication date: 20200915