CN112642679A - 一种金属日用品防锈涂层生产工艺 - Google Patents

一种金属日用品防锈涂层生产工艺 Download PDF

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CN112642679A
CN112642679A CN202011100795.5A CN202011100795A CN112642679A CN 112642679 A CN112642679 A CN 112642679A CN 202011100795 A CN202011100795 A CN 202011100795A CN 112642679 A CN112642679 A CN 112642679A
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metal daily
metal
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王柳卜
施园园
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Yiwu Diren Daily Necessities Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/14Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0254After-treatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/04Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
    • B05D3/0466Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being a non-reacting gas
    • B05D3/048Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being a non-reacting gas for cooling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/10Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
    • B05D3/102Pretreatment of metallic substrates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50Multilayers
    • B05D7/56Three layers or more
    • B05D7/58No clear coat specified
    • B05D7/586No clear coat specified each layer being cured, at least partially, separately
    • 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
    • C23C24/00Coating starting from inorganic powder
    • C23C24/08Coating starting from inorganic powder by application of heat or pressure and heat
    • C23C24/10Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
    • C23C24/103Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
    • C23C24/106Coating with metal alloys or metal elements only
    • 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
    • C23C8/00Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/02Pretreatment of the material to be coated
    • 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
    • C23C8/00Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/24Nitriding

Abstract

本发明公开了一种金属日用品防锈涂层生产工艺,具体生产工艺步骤如下:步骤一:将金属日用品移至工作台上,利用砂纸在其表面进行打磨;步骤二:将步骤一打磨后的金属日用品放入超声波清洗机内并加入清水和氢氧化钠溶液利用超声波进行快速清洗;步骤三:将步骤二清洗后的金属日用品加入到干燥箱内干燥处理,在暖空气中快速吹干,去除基体表面的污垢和锈斑,进行预处理操作;步骤四:在预处理后的金属日用品表层喷涂Cr、Mo粉末。该发明加热固化制备CrMo基层,增加了外层渗氮处理的附着性,使渗氮处理后的金属日用品表面形成一层氮化物,防锈防腐能力强,强度高,不易氧化和剥落,经久耐用,从而有效的延长金属日用品的使用寿命。

Description

一种金属日用品防锈涂层生产工艺
技术领域
本发明属于涂层生产技术领域,具体涉及一种金属日用品防锈涂层生产工艺。
背景技术
结合当今全球循环经济和低碳经济的发展需求,人们对材料的需求趋于实用、美观、经济、耐用,表面工程技术从各种技术中脱颖而出,受到了极大地关注。金属日用品表面易粘油污和易锈蚀现象大都发生在工厂机械加工过程中和存放的过程中,因此采用表面处理技术改善材料表面的防锈性能,对提高其使用的安全可靠性,便于清洁,延长使用寿命,具有十分重要的意义和发展前景,现有的金属生活用品防锈涂层喷涂制作方法较为复杂,强度低,容易开裂,防水耐磨效果不明显。
发明内容
本发明的目的在于提供一种金属日用品防锈涂层生产工艺,以解决上述背景技术中提出的现有的金属生活用品防锈涂层喷涂制作方法较为复杂,强度低,容易开裂,防水耐磨效果不明显的问题。
为实现上述目的,本发明提供如下技术方案:一种金属日用品防锈涂层生产工艺,具体生产工艺步骤如下:
步骤一:将金属日用品移至工作台上,利用砂纸在其表面进行打磨;
步骤二:将步骤一打磨后的金属日用品放入超声波清洗机内并加入清水和氢氧化钠溶液利用超声波进行快速清洗;
步骤三:将步骤二清洗后的金属日用品加入到干燥箱内干燥处理,在暖空气中快速吹干,去除基体表面的污垢和锈斑,进行预处理操作;
步骤四:在预处理后的金属日用品表层喷涂Cr、Mo粉末,并加热固化制备CrMo基层;
步骤五:将步骤四处理后的金属日用品放入氮化罐中,抽去罐中的空气,向氮化罐通入氨气,使罐内压力保持在0.015-0.035MP,然后开始加热氮化罐,并不断通入氨气,排出废气;
步骤六:当温度达到600-800℃时,保温3-5h,停止加热,将氮化罐内的温度降到450℃,停止通入氨气,排掉废气,当氮化罐内的压力降到零时,打开罐盖,吊出工件在空气中快速冷却至室温;
步骤七:用砂布砂掉氮化后金属日用品表面的挂灰和氧化皮,并用高压风机吹离表面;
步骤八:将步骤七处理后的金属日用品再次投入到超声波清洗机内并加入清水和氢氧化钠溶液利用超声波进行快速清洗并且利用干燥箱干燥;
步骤九:在金属日用品的外表面喷涂一层钛金属高温保护层,在250-350的温度中固化30-35min,涂层的厚度为10-15μm;
步骤十:将步骤九得到的防锈层进行性能检测。
进一步的,所述步骤四中加热固化的温度为650-750℃。
进一步的,所述步骤十中采用涡流测厚仪、SEM、XRD、自动划痕仪、腐蚀试验等检测手段分别对防锈层的厚度、表面形貌、微观组织、基体结合力及耐腐蚀性能进行定量测定。
进一步的,所述步骤六中渗氮处理工序中保温温度为550-650℃。
进一步的,所述步骤二和步骤八中氢氧化钠溶液的浓度为0.1-0.3g/ml。
进一步的,所述步骤三和步骤八中干燥箱输入电压U范围为100-350V。
与现有技术相比,本发明的有益效果是:
(1)打磨后的金属日用品放入超声波清洗机内并加入清水和氢氧化钠溶液利用超声波进行快速清洗,清洗效率高,实用性强,节省人力物力,在金属日用品表层喷涂Cr、Mo粉末,并加热固化制备CrMo基层,增加了外层渗氮处理的附着性,使渗氮处理后的金属日用品表面形成一层氮化物,防锈防腐能力强,强度高,不易氧化和剥落,经久耐用,从而有效的延长金属日用品的使用寿命。
(2)加热固化制备CrMo基层在整个防锈层内起到基础找平的作用,强度高,稳定性好,与外侧氮化物防锈层很好的结合,稳定外侧氮化物,有效的起到防裂纹的作用。
(3)在金属日用品的外表面喷涂一层钛金属高温保护层提高金属日用品的高温稳定性,防水耐磨效果突出,对防锈层很好的起到保护的作用。
具体实施方式
下面将结合本发明实施例,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施例1
一种金属日用品防锈涂层生产工艺,具体生产工艺步骤如下:
步骤一:将金属日用品移至工作台上,利用砂纸在其表面进行打磨;
步骤二:将步骤一打磨后的金属日用品放入超声波清洗机内并加入清水和氢氧化钠溶液利用超声波进行快速清洗;
步骤三:将步骤二清洗后的金属日用品加入到干燥箱内干燥处理,在暖空气中快速吹干,去除基体表面的污垢和锈斑,进行预处理操作;
步骤四:在预处理后的金属日用品表层喷涂Cr、Mo粉末,并加热固化制备CrMo基层;
步骤五:将步骤四处理后的金属日用品放入氮化罐中,抽去罐中的空气,向氮化罐通入氨气,使罐内压力保持在0.015-0.035MP,然后开始加热氮化罐,并不断通入氨气,排出废气;
步骤六:当温度达到600-800℃时,保温3-5h,停止加热,将氮化罐内的温度降到450℃,停止通入氨气,排掉废气,当氮化罐内的压力降到零时,打开罐盖,吊出工件在空气中快速冷却至室温;
步骤七:用砂布砂掉氮化后金属日用品表面的挂灰和氧化皮,并用高压风机吹离表面;
步骤八:将步骤七处理后的金属日用品再次投入到超声波清洗机内并加入清水和氢氧化钠溶液利用超声波进行快速清洗并且利用干燥箱干燥;
步骤九:在金属日用品的外表面喷涂一层钛金属高温保护层,在250-350的温度中固化30-35min,涂层的厚度为10-15μm;
步骤十:将步骤九得到的防锈层进行性能检测。
其中,所述步骤四中加热固化的温度为650-750℃。
其中,所述步骤十中采用涡流测厚仪、SEM、XRD、自动划痕仪、腐蚀试验等检测手段分别对防锈层的厚度、表面形貌、微观组织、基体结合力及耐腐蚀性能进行定量测定。
其中,所述步骤六中渗氮处理工序中保温温度为550-650℃。
其中,所述步骤二和步骤八中氢氧化钠溶液的浓度为0.1-0.3g/ml。
其中,所述步骤三和步骤八中干燥箱输入电压U范围为100-350V。
实施例2
一种金属日用品防锈涂层生产工艺,具体生产工艺步骤如下:
步骤一:将金属日用品移至工作台上,利用砂纸在其表面进行打磨;
步骤二:将步骤一打磨后的金属日用品放入超声波清洗机内并加入清水和碳酸钠溶液利用超声波进行快速清洗;
步骤三:将步骤二清洗后的金属日用品加入到干燥箱内干燥处理,在暖空气中快速吹干,去除基体表面的污垢和锈斑,进行预处理操作;
步骤四:在预处理后的金属日用品表层喷涂Cr、Mo粉末,并加热固化制备CrMo基层;
步骤五:将步骤四处理后的金属日用品放入氮化罐中,抽去罐中的空气,向氮化罐通入氨气,使罐内压力保持在0.015-0.035MP,然后开始加热氮化罐,并不断通入氨气,排出废气;
步骤六:当温度达到600-800℃时,保温3-5h,停止加热,将氮化罐内的温度降到450℃,停止通入氨气,排掉废气,当氮化罐内的压力降到零时,打开罐盖,吊出工件在空气中快速冷却至室温;
步骤七:用砂布砂掉氮化后金属日用品表面的挂灰和氧化皮,并用高压风机吹离表面;
步骤八:将步骤七处理后的金属日用品再次投入到超声波清洗机内并加入清水和碳酸钠溶液利用超声波进行快速清洗并且利用干燥箱干燥;
步骤九:在金属日用品的外表面喷涂一层钛金属高温保护层,在250-350的温度中固化30-35min,涂层的厚度为10-15μm;
步骤十:将步骤九得到的防锈层进行性能检测。
其中,所述步骤四中加热固化的温度为650-750℃,在650-750℃的温度下Cr、Mo粉末固化效果显著提高,固化层强度高,稳定性好。
其中,所述步骤十中采用涡流测厚仪、SEM、XRD、自动划痕仪、腐蚀试验等检测手段分别对防锈层的厚度、表面形貌、微观组织、基体结合力及耐腐蚀性能进行定量测定,对生产的防锈层多重检测,有效的提高产品质量。
其中,所述步骤六中渗氮处理工序中保温温度为550-650℃,保温温度为550-650℃在金属日用品的表面生成第一层氮化物。
其中,所述步骤二和步骤八中碳酸钠溶液的浓度为0.1-0.3g/ml,提高超声波清洗效果。
其中,所述步骤三和步骤八中干燥箱输入电压U范围为100-350V,扩大使用范围,使选择性更广。
本发明工作时:打磨后的金属日用品放入超声波清洗机内并加入清水和氢氧化钠溶液利用超声波进行快速清洗,清洗效率高,实用性强,节省人力物力,在金属日用品表层喷涂Cr、Mo粉末,并加热固化制备CrMo基层,增加了外层渗氮处理的附着性,使渗氮处理后的金属日用品表面形成一层氮化物,防锈防腐能力强,强度高,不易氧化和剥落,经久耐用,从而有效的延长金属日用品的使用寿命。加热固化制备CrMo基层在整个防锈层内起到基础找平的作用,强度高,稳定性好,与外侧氮化物防锈层很好的结合,稳定外侧氮化物,有效的起到防裂纹的作用。在金属日用品的外表面喷涂一层钛金属高温保护层提高金属日用品的高温稳定性,防水耐磨效果突出,对防锈层很好的起到保护的作用。
尽管已经示出和描述了本发明的实施例,对于本领域的普通技术人员而言,可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型,本发明的范围由所附权利要求及其等同物限定。

Claims (6)

1.一种金属日用品防锈涂层生产工艺,其特征在于,具体生产工艺步骤如下:
步骤一:将金属日用品移至工作台上,利用砂纸在其表面进行打磨;
步骤二:将步骤一打磨后的金属日用品放入超声波清洗机内并加入清水和氢氧化钠溶液利用超声波进行快速清洗;
步骤三:将步骤二清洗后的金属日用品加入到干燥箱内干燥处理,在暖空气中快速吹干,去除基体表面的污垢和锈斑,进行预处理操作;
步骤四:在预处理后的金属日用品表层喷涂Cr、Mo粉末,并加热固化制备CrMo基层;
步骤五:将步骤四处理后的金属日用品放入氮化罐中,抽去罐中的空气,向氮化罐通入氨气,使罐内压力保持在0.015-0.035MP,然后开始加热氮化罐,并不断通入氨气,排出废气;
步骤六:当温度达到600-800℃时,保温3-5h,停止加热,将氮化罐内的温度降到450℃,停止通入氨气,排掉废气,当氮化罐内的压力降到零时,打开罐盖,吊出工件在空气中快速冷却至室温;
步骤七:用砂布砂掉氮化后金属日用品表面的挂灰和氧化皮,并用高压风机吹离表面;
步骤八:将步骤七处理后的金属日用品再次投入到超声波清洗机内并加入清水和氢氧化钠溶液利用超声波进行快速清洗并且利用干燥箱干燥;
步骤九:在金属日用品的外表面喷涂一层钛金属高温保护层,在250-350的温度中固化30-35min,涂层的厚度为10-15μm;
步骤十:将步骤九得到的防锈层进行性能检测。
2.根据权利要求1所述的一种金属日用品防锈涂层生产工艺,其特征在于:所述步骤四中加热固化的温度为650-750℃。
3.根据权利要求1所述的一种金属日用品防锈涂层生产工艺,其特征在于:所述步骤十中采用涡流测厚仪、SEM、XRD、自动划痕仪、腐蚀试验等检测手段分别对防锈层的厚度、表面形貌、微观组织、基体结合力及耐腐蚀性能进行定量测定。
4.根据权利要求1所述的一种金属日用品防锈涂层生产工艺,其特征在于:所述步骤六中渗氮处理工序中保温温度为550-650℃。
5.根据权利要求1所述的一种金属日用品防锈涂层生产工艺,其特征在于:所述步骤二和步骤八中氢氧化钠溶液的浓度为0.1-0.3g/ml。
6.根据权利要求1所述的一种金属日用品防锈涂层生产工艺,其特征在于:所述步骤三和步骤八中干燥箱输入电压U范围为100-350V。
CN202011100795.5A 2020-10-15 2020-10-15 一种金属日用品防锈涂层生产工艺 Pending CN112642679A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
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CN117182558A (zh) * 2023-09-18 2023-12-08 浙江人驰汽车配件有限公司 压筋折叠皮带轮及其加工控制系统
CN117182558B (zh) * 2023-09-18 2024-04-05 浙江人驰汽车配件有限公司 压筋折叠皮带轮及其加工控制系统

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