CN112806835B - 一种复合不粘锅的制备方法 - Google Patents
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 43
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- 229910052799 carbon Inorganic materials 0.000 claims abstract description 20
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- 239000002994 raw material Substances 0.000 claims abstract description 18
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
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- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
- A47J36/025—Vessels with non-stick features, e.g. coatings
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- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
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- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
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Abstract
本发明公开了一种复合不粘锅的制备方法,具体按照以下步骤实施:1、对锅坯的内表面进行喷砂处理,然后使用高压风清理干净;2、对锅坯内表面以纯钛粉为原料,通过冷喷涂法制备一层钛层;3、以纯氧化钛粉为原材料通过等离子热喷涂法在钛层表面制备一层氧化钛层;4、打磨经步骤3处理后的锅坯内表面,使表面粗糙度小于Ra1.0;5、使用去离子水清洗锅坯内表面,然后置于真空室中用紫外线对锅坯内表面进行预照射;6、预照射结束后,在紫外线持续照射锅坯内表面的同时对锅坯内表面使用离子注入法注入碳离子即可得到复合不粘锅。本发明一种复合不粘锅的制备方法,具有导热性能好,表面硬度高,不粘性能好的特点。
Description
技术领域
本发明属于锅具生产技术领域,涉及一种复合不粘锅的制备方法。
背景技术
现有的餐具中,炒锅、煎锅中为了不粘,普遍使用有毒的特氟龙涂层,涂层在长时间使用后会发生脱落,最终危害人体。而不使用涂层的锅具如不锈钢锅,本身不粘性较差,使用时食物经常粘锅影响口感,同时不锈钢在长时间使用后会有重金属析出,危害人体健康。钛金属不含重金属,有抑菌性,因此钛是做炊具、餐具的一种非常好的选择。然而,钛硬度较低、耐磨性较差、导热性差,使用纯钛制作的锅具在使用过程中极易产生划痕,同时对食物的不粘效果差,因此采用表面硬度提升技术来提高钛复合锅的钛表面硬度和食物不粘性能意义重大。
发明内容
本发明的目的是提供一种复合不粘锅的制备方法,具有导热性能好,表面硬度高,不粘性能好的特点。
本发明所采用的技术方案是,一种复合不粘锅的制备方法,具体按照以下步骤实施:
步骤1、对锅坯的内表面进行喷砂处理,然后使用高压风清理干净;
步骤2、对经过步骤1处理的锅坯内表面以纯钛粉为原料,通过冷喷涂法制备一层钛层;
步骤3、以纯氧化钛粉为原材料通过等离子热喷涂法在步骤2得到的钛层表面制备一层氧化钛层;
步骤4、先使用400目碳化硅砂轮打磨经步骤3处理后的锅坯内表面,使内表面粗糙度小于Ra3.2,再用2000目碳化硅砂轮积蓄打磨内表面,使表面粗糙度小于Ra1.0;
步骤5、使用去离子水清洗经步骤4处理的锅坯内表面,然后将锅坯置于真空室中用紫外线对锅坯内表面进行预照射;
步骤6、预照射结束后,在紫外线持续照射锅坯内表面的同时对锅坯内表面使用离子注入法注入碳离子即可得到复合不粘锅。
本发明的特点还在于:
步骤1中锅坯具体为铝制锅坯或内表面为铝的钢铝复合锅坯。
步骤1中喷砂处理采用粒度为30-120目的白刚玉。
步骤2和步骤3中纯钛粉的粒度均为100-325目。
步骤2中冷喷涂法采用的工作气体氮气或氦气,喷涂气压为4-6Mpa。
步骤2中钛层厚度为0.3-0.6mm。
步骤3中等离子热喷涂法采用的工作气体为氩气和氢气,氧化钛层厚度为150-300μm。
步骤5中真空室的压强为102Pa-10-4Pa,紫外线预照射时间为15-25min。
步骤6中离子注入法采用的离子源为电子回旋共振型,离子的加速电压为7.5kV-30kV。
步骤6中碳离子的注入量为3×1017/cm2-10×1017/cm2,碳离子的注入深度为0.3μm-1.2μm。
本发明的有益效果是:
1、本发明通过冷喷涂法在铝层表面制备钛层,得到的钛层致密,隔绝了铝层与外界的接触,在此基础上使用热喷涂法制备氧化钛薄层,氧化钛具有高硬度,提高了表面的耐磨性,最后在氧化钛层进行离子注入可以降低表面摩擦系数,以提高对食物的不粘效果;
2、本发明通过以上手段解决了不锈钢锅具及钛制锅具锅具导热性差、耐磨性差、不粘效果差的问题,同时未使用特氟龙涂层,健康环保;
3、本发明操作实施简单,易于产业化。该法具备巨大的推广价值。
具体实施方式
下面结合具体实施方式对本发明进行详细说明。
本发明一种复合不粘锅的制备方法,具体按照以下步骤实施:
步骤1、在铝制锅坯或钢铝复合锅坯(内表面为铝)的内表面使用粒度30-120目的白刚玉做喷砂处理,得到的处理表面粗糙度为Ra3.0-Ra7.0,处理后用高压风清理干净,此步骤提高了待处理表面的附着力;
步骤2、在处理后的内表面以100-325目的纯钛粉为原材料,使用冷喷涂法用氮气或氦气为工作气体,工作气压为4-6MPa,制备一层0.3-0.6mm的钛层,此方法得到的钛金属层致密,可以隔绝铝层与外界的接触;
步骤3、以100-325目纯氧化钛粉为原材料使用等离子热喷涂法,以氩气和氢气为工作气体,在钛层表面制备一层150-300μm氧化钛层,氧化钛层维氏硬度大于600HV,此工序可以显著提升表面硬度,增加表面耐磨性;
步骤4、使用400目碳化硅砂轮打磨内表面,使表面粗糙度达到Ra3.2以下,再用2000目碳化硅砂轮进一步打磨内表面,使表面粗糙度至Ra1.0以下,通过此步骤将表面加工成为接近镜面效果,便于后续工序实施,同时增加美观度;
步骤5、使用去离子水清洗经步骤4处理的锅坯,然后将锅坯置于真空室中用紫外线对锅坯内表面进行预照射15-25min,真空室的压强为102Pa-10-4Pa,通过紫外线预照射提高工件表面活性;
步骤6、预照射结束后,在紫外线持续照射内表面的同时对锅坯内表面使用离子注入法注入3×1017/cm2-10×1017/cm2的碳离子即可得到钛铝或钛铝钢三层复合不粘锅;离子注入法采用的离子源为电子回旋共振型,离子的加速电压为7.5kV-30kV,碳离子的注入深度为0.3μm-1.2μm;通过离子注入法在氧化钛层中引入碳离子,降低了氧化钛层摩擦系数,提高了对食物的不粘性。
实施例1
一种复合不粘锅,具体按照以下步骤实施:
步骤1、在铝制锅坯的内表面使用粒度30目的白刚玉做喷砂处理,得到的处理表面粗糙度为Ra5,处理后用高压风清理干净;
步骤2、在处理后的内表面以200目的纯钛粉为原材料,使用冷喷涂法用氦气为工作气体工作气压为4MPa制备一层0.3mm的钛层;
步骤3、以325目纯氧化钛粉为原材料使用等离子热喷涂法,以氩气和氢气为工作气体,在钛层表面制备一层300μm氧化钛层;
步骤4、使用400目碳化硅砂轮打磨内表面,使表面粗糙度达到Ra3.2以下,再用2000目碳化硅砂轮进一步打磨内表面,使表面粗糙度至Ra1.0以下;
步骤5、使用去离子水清洗经步骤4处理的锅坯,然后将锅坯置于真空室中用紫外线对锅坯内表面进行预照射15min,真空室的压强为102Pa;
步骤6、预照射结束后,在紫外线持续照射内表面的同时对锅坯内表面使用离子注入法注入5×1017/cm2的碳离子,离子注入法采用的离子源为电子回旋共振型,离子的加速电压为15kV,碳离子的注入深度为0.5μm;
得到具有高耐磨性及良好食物不粘性能的钛铝复合锅。
实施例2
一种复合不粘锅,具体按照以下步骤实施:
步骤1、在钢铝复合锅坯(内表面铝)的内表面使用粒度60目的白刚玉做喷砂处理,得到的处理表面粗糙度为Ra3.0,处理后用高压风清理干净;
步骤2、在处理后的内表面以100目的纯钛粉为原材料,使用冷喷涂法用氦气为工作气体工作气压为4MPa制备一层0.4mm的钛层;
步骤3、以200目纯氧化钛粉为原材料使用等离子热喷涂法,以氩气和氢气为工作气体,在钛层表面制备一层250μm氧化钛层;
步骤4、使用400目碳化硅砂轮打磨内表面,使表面粗糙度达到Ra3.2以下,再用2000目碳化硅砂轮进一步打磨内表面,使表面粗糙度至Ra1.0以下;
步骤5、使用去离子水清洗经步骤4处理的锅坯,然后将锅坯置于真空室中用紫外线对锅坯内表面进行预照射25min,真空室的压强为10-1Pa;
步骤6、预照射结束后,在紫外线持续照射内表面的同时对锅坯内表面使用离子注入法注入6×1017/cm2的碳离子,离子注入法采用的离子源为电子回旋共振型,离子的加速电压为20kV,碳离子的注入深度为0.65μm;
得到具有高耐磨性及良好食物不粘性能的钛铝钢复合锅。
实施例3
一种复合不粘锅,具体按照以下步骤实施:
步骤1、在铝制锅坯的内表面使用粒度45目的白刚玉做喷砂处理,得到的处理表面粗糙度为Ra4.0,处理后用高压风清理干净;
步骤2、在处理后的内表面以200目的纯钛粉为原材料,使用冷喷涂法用氦气为工作气体工作气压为6MPa制备一层0.6mm的钛层;
步骤3、以325目纯氧化钛粉为原材料使用等离子热喷涂法,以氩气和氢气为工作气体,在钛层表面制备一层200μm氧化钛层;
步骤4、使用400目碳化硅砂轮打磨内表面,使表面粗糙度达到Ra3.2以下,再用2000目碳化硅砂轮进一步打磨内表面,使表面粗糙度至Ra1.0以下;
步骤5、使用去离子水清洗经步骤4处理的锅坯,然后将锅坯置于真空室中用紫外线对锅坯内表面进行预照射15min,真空室的压强为102Pa;
步骤6、预照射结束后,在紫外线持续照射内表面的同时对锅坯内表面使用离子注入法注入3.5×1017/cm2的碳离子,离子注入法采用的离子源为电子回旋共振型,离子的加速电压为10kV,碳离子的注入深度为0.4μm;
得到具有高耐磨性及良好食物不粘性能的钛铝复合锅。
实施例4
一种复合不粘锅,具体按照以下步骤实施:
步骤1、在铝制锅坯的内表面使用粒度30目的白刚玉做喷砂处理,得到的处理表面粗糙度为Ra5.0,处理后用高压风清理干净;
步骤2、在处理后的内表面以325目的纯钛粉为原材料,使用冷喷涂法用氦气为工作气体工作气压为5.5MPa制备一层0.5mm的钛层;
步骤3、以100目纯氧化钛粉为原材料使用等离子热喷涂法,以氩气和氢气为工作气体,在钛层表面制备一层160μm氧化钛层;
步骤4、使用400目碳化硅砂轮打磨内表面,使表面粗糙度达到Ra3.2以下,再用2000目碳化硅砂轮进一步打磨内表面,使表面粗糙度至Ra1.0以下;
步骤5、使用去离子水清洗经步骤4处理的锅坯,然后将锅坯置于真空室中用紫外线对锅坯内表面进行预照射15min,真空室的压强为10-3Pa;
步骤6、预照射结束后,在紫外线持续照射内表面的同时对锅坯内表面使用离子注入法注入4×1017/cm2的碳离子,离子注入法采用的离子源为电子回旋共振型,离子的加速电压为15kV,碳离子的注入深度为0.5μm;
得到具有高耐磨性及良好食物不粘性能的钛铝复合锅。
实施例5
一种复合不粘锅,具体按照以下步骤实施:
步骤1、在钢铝复合锅坯(内表面铝)的内表面使用粒度120目的白刚玉做喷砂处理,得到的处理表面粗糙度为Ra3.0,处理后用高压风清理干净;
步骤2、在处理后的内表面以200目的纯钛粉为原材料,使用冷喷涂法用氦气为工作气体工作气压为5MPa制备一层0.3mm的钛层;
步骤3、以200目纯氧化钛粉为原材料使用等离子热喷涂法,以氩气和氢气为工作气体,在钛层表面制备一层240μm氧化钛层;
步骤4、使用400目碳化硅砂轮打磨内表面,使表面粗糙度达到Ra3.2以下,再用2000目碳化硅砂轮进一步打磨内表面,使表面粗糙度至Ra1.0以下;
步骤5、使用去离子水清洗经步骤4处理的锅坯,然后将锅坯置于真空室中用紫外线对锅坯内表面进行预照射25min,真空室的压强为10-4Pa;
步骤6、预照射结束后,在紫外线持续照射内表面的同时对锅坯内表面使用离子注入法注入6.5×1017/cm2的碳离子,离子注入法采用的离子源为电子回旋共振型,离子的加速电压为25kV,碳离子的注入深度为0.7μm;
得到具有高耐磨性及良好食物不粘性能的钛铝钢复合锅。
表1普通钛锅和不锈钢锅与实施例的维氏硬度和滑动摩擦系数对比表
上表1为现有的不锈钢锅样品与钛锅样品和本发明实施例1-5的表面滑动摩擦系数及表面硬度对比表,由表1可看出,本发明方法处理的锅的内表面硬度高,表面滑动摩擦系数低,同时具备高耐磨性及不粘效果好的优点。
Claims (6)
1.一种复合不粘锅的制备方法,其特征在于,具体按照以下步骤实施:
步骤1、对锅坯的内表面进行喷砂处理,然后使用高压风清理干净;
步骤2、对经过步骤1处理的锅坯内表面以纯钛粉为原料,通过冷喷涂法制备一层钛层,冷喷涂法采用的工作气体氮气或氦气,喷涂气压为4-6MPa,所述纯钛粉的粒度为100目;
步骤3、以纯氧化钛粉为原材料通过等离子热喷涂法在步骤2得到的钛层表面制备一层氧化钛层;
步骤4、先使用400目碳化硅砂轮打磨经步骤3处理后的锅坯内表面,使内表面粗糙度小于Ra3.2,再用2000目碳化硅砂轮继续 打磨内表面,使表面粗糙度小于Ra1.0;
步骤5、使用去离子水清洗经步骤4处理的锅坯内表面,然后将锅坯置于真空室中用紫外线对锅坯内表面进行预照射,真空室的压强为102Pa-10-4Pa,紫外线预照射时间为15-25min;
步骤6、预照射结束后,在紫外线持续照射锅坯内表面的同时对锅坯内表面使用离子注入法注入碳离子即可得到复合不粘锅,离子注入法采用的离子源为电子回旋共振型,离子的加速电压为7.5kV-30kV,碳离子的注入量为3×1017/cm2-10×1017/cm2,碳离子的注入深度为0.3μm-1.2μm。
2.根据权利要求1所述的一种复合不粘锅的制备方法,其特征在于,所述步骤1中锅坯具体为铝制锅坯或内表面为铝的钢铝复合锅坯。
3.根据权利要求1所述的一种复合不粘锅的制备方法,其特征在于,所述步骤1中喷砂处理采用粒度为30-120目的白刚玉。
4.根据权利要求1所述的一种复合不粘锅的制备方法,其特征在于,所述步骤3中纯氧化钛粉的粒度为100-325目。
5.根据权利要求1所述的一种复合不粘锅的制备方法,其特征在于,所述步骤2中钛层厚度为0.3-0.6mm。
6.根据权利要求1所述的一种复合不粘锅的制备方法,其特征在于,所述步骤3中等离子热喷涂法采用的工作气体为氩气和氢气,氧化钛层厚度为150-300μm。
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