CN111326308A - 一种铁硅铝磁粉及其制备工艺 - Google Patents

一种铁硅铝磁粉及其制备工艺 Download PDF

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CN111326308A
CN111326308A CN201911093798.8A CN201911093798A CN111326308A CN 111326308 A CN111326308 A CN 111326308A CN 201911093798 A CN201911093798 A CN 201911093798A CN 111326308 A CN111326308 A CN 111326308A
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parts
raw materials
iron
silicon
minutes
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屈子铎
吴兆锦
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Shanxi Zhongci Shangshan Technology Co ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/147Alloys characterised by their composition
    • H01F1/14766Fe-Si based alloys
    • H01F1/14791Fe-Si-Al based alloys, e.g. Sendust
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/10Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00Making metallic powder or suspensions thereof
    • B22F9/02Making metallic powder or suspensions thereof using physical processes
    • B22F9/04Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • 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
    • C23C22/00Chemical 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
    • C23C22/05Chemical 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
    • C23C22/06Chemical 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
    • C23C22/24Chemical 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
    • C23C22/33Chemical 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 containing also phosphates
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00Making metallic powder or suspensions thereof
    • B22F9/02Making metallic powder or suspensions thereof using physical processes
    • B22F9/04Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • B22F2009/043Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by ball milling

Abstract

本发明公开了一种铁硅铝磁粉及其制备工艺,其原材料组成和相应重量份数为:硅6~12份、铝3~8份、脱模剂2~7份、粘结剂2~7份、绝缘剂2~7份、重铬酸钾溶液7~11份、克磷酸6~11份、双氧水7~13份、镍钼合金1~6份,余量为铁,同时通过粘结剂的添加以及份数,可以保证设备更容易混合成型,通过绝缘剂的添加以及份数,在物料成型后,可以具有较好的绝缘效果,保证使用的安全性,通过重铬酸钾溶液、克磷酸、双氧水以及水的添加使用,可以保证物料很好的钝化效果,同时保证物料的加工效果,通过镍钼合金的混合使用,保证物料加工完成后具有很好的耐腐蚀性。

Description

一种铁硅铝磁粉及其制备工艺
技术领域
本发明涉及磁粉生产技术领域,具体领域为一种铁硅铝磁粉及其制备工艺。
背景技术
铁硅铝粉末是通过合金熔化、高压氮气雾化,制备出含氧量更低、球形度更好的合金粉末,主要用于金属粉芯等软磁材料领域,具有更低损耗、较高直流偏置等特点,铁硅铝合金是由85%铁,9%硅,6%铝的合金粉末,经过特殊工艺处理.压制成环状或E型磁粉芯,市场上通常称之为KoolMμ磁粉芯或 Sendust磁粉芯,现有铁硅铝磁粉,加工过程中难以成型,绝缘效果差,不具备耐腐蚀性,实用性差。
发明内容
本发明的目的在于提供一种铁硅铝磁粉及其制备工艺,以解决上述背景技术中提出的问题。
为实现上述目的,本发明提供如下技术方案:一种铁硅铝磁粉,其原材料组成和相应重量份数为:硅6~12份、铝3~8份、脱模剂2~7份、粘结剂2~7份、绝缘剂2~7份、重铬酸钾溶液7~11份、克磷酸6~11份、双氧水7~13份、镍钼合金1~6份,余量为铁。
优选的,其原材料组成和相应重量份数为:硅8~10份、铝5~7份、脱模剂3~5份、粘结剂3~5份、绝缘剂3~5份、重铬酸钾溶液8~10份、克磷酸7~9份、双氧水8~10份、镍钼合金2~4份,余量为铁。
优选的,其原材料组成和相应重量份数为:硅9.5份、铝5.5份、脱模剂3份、粘结剂3份、绝缘剂3份、重铬酸钾溶液9.5份、克磷酸7.5份、双氧水8份、镍钼合金3份,余量为铁。
一种铁硅铝磁粉的制备工艺,包括以下步骤:
步骤1:按相应重量份数将硅、铝、铁通过磨粉机进行磨粉工作。
步骤2:开启风机,将磨粉机中排出的金属粉通过风机吸收至过滤设备处,进行过滤。
步骤3:将过滤后的金属粉取出,放置到钝化处理设备中,并将过滤剩余的金属粉整理收集起来。
步骤4:按相应重量份数将重铬酸钾溶液、克磷酸、双氧水以及水通入钝化处理设备中,进行钝化处理工作,启动真空泵将钝化处理设备抽至真空状态,并开启电机带动搅拌叶搅动钝化处理设备中的原料,45-90分钟后取出。
步骤5:取出钝化后的原料,放入搅拌装置中,并按相应重量份数将脱模剂、粘结剂、绝缘剂以及镍钼合金加入其中,进行搅拌,50-80分钟后取出。
步骤6:取出后的原料,放入烘干设备中,进行烘干处理,20-60分钟后取出,制备完成。
优选的,所述步骤4的时间为70分钟,所述步骤5的时间为60分钟,所述步骤6的时间为45分钟。
与现有技术相比,本发明的有益效果是:一种铁硅铝磁粉及其制备工艺,通过脱模剂的添加以及份数,方便成型后的物料容易进行脱模工作,同时通过粘结剂的添加以及份数,可以保证设备更容易混合成型,通过绝缘剂的添加以及份数,在物料成型后,可以具有较好的绝缘效果,保证使用的安全性,通过重铬酸钾溶液、克磷酸、双氧水以及水的添加使用,可以保证物料很好的钝化效果,同时保证物料的加工效果,通过镍钼合金的混合使用,保证物料加工完成后具有很好的耐腐蚀性。
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。
本发明提供一种技术方案:一种铁硅铝磁粉,其原材料组成和相应重量份数为:硅6~12份、铝3~8份、脱模剂2~7份、粘结剂2~7份、绝缘剂 2~7份、重铬酸钾溶液7~11份、克磷酸6~11份、双氧水7~13份、镍钼合金1~6份,余量为铁。
具体而言,其原材料组成和相应重量份数为:硅8~10份、铝5~7份、脱模剂3~5份、粘结剂3~5份、绝缘剂3~5份、重铬酸钾溶液8~10份、克磷酸7~9份、双氧水8~10份、镍钼合金2~4份,余量为铁。
具体而言,其原材料组成和相应重量份数为:硅9.5份、铝5.5份、脱模剂3份、粘结剂3份、绝缘剂3份、重铬酸钾溶液9.5份、克磷酸7.5份、双氧水8份、镍钼合金3份,余量为铁。
一种铁硅铝磁粉的制备工艺,包括以下步骤:
步骤1:按相应重量份数将硅、铝、铁通过磨粉机进行磨粉工作。
步骤2:开启风机,将磨粉机中排出的金属粉通过风机吸收至过滤设备处,进行过滤。
步骤3:将过滤后的金属粉取出,放置到钝化处理设备中,并将过滤剩余的金属粉整理收集起来。
步骤4:按相应重量份数将重铬酸钾溶液、克磷酸、双氧水以及水通入钝化处理设备中,进行钝化处理工作,启动真空泵将钝化处理设备抽至真空状态,并开启电机带动搅拌叶搅动钝化处理设备中的原料,45-90分钟后取出。
步骤5:取出钝化后的原料,放入搅拌装置中,并按相应重量份数将脱模剂、粘结剂、绝缘剂以及镍钼合金加入其中,进行搅拌,50-80分钟后取出。
步骤6:取出后的原料,放入烘干设备中,进行烘干处理,20-60分钟后取出,制备完成。
具体而言,所述步骤4的时间为70分钟,所述步骤5的时间为60分钟,所述步骤6的时间为45分钟。
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 (5)

1.一种铁硅铝磁粉,其特征在于:其原材料组成和相应重量份数为:硅6~12份、铝3~8份、脱模剂2~7份、粘结剂2~7份、绝缘剂2~7份、重铬酸钾溶液7~11份、克磷酸6~11份、双氧水7~13份、镍钼合金1~6份,余量为铁。
2.根据权利要求1所述的一种铁硅铝磁粉,其特征在于:其原材料组成和相应重量份数为:硅8~10份、铝5~7份、脱模剂3~5份、粘结剂3~5份、绝缘剂3~5份、重铬酸钾溶液8~10份、克磷酸7~9份、双氧水8~10份、镍钼合金2~4份,余量为铁。
3.根据权利要求1所述的一种铁硅铝磁粉,其特征在于:其原材料组成和相应重量份数为:硅9.5份、铝5.5份、脱模剂3份、粘结剂3份、绝缘剂3份、重铬酸钾溶液9.5份、克磷酸7.5份、双氧水8份、镍钼合金3份,余量为铁。
4.根据权利要求1所述的一种铁硅铝磁粉的制备工艺,其特征在于:包括以下步骤:
步骤1:按相应重量份数将硅、铝、铁通过磨粉机进行磨粉工作。
步骤2:开启风机,将磨粉机中排出的金属粉通过风机吸收至过滤设备处,进行过滤。
步骤3:将过滤后的金属粉取出,放置到钝化处理设备中,并将过滤剩余的金属粉整理收集起来。
步骤4:按相应重量份数将重铬酸钾溶液、克磷酸、双氧水以及水通入钝化处理设备中,进行钝化处理工作,启动真空泵将钝化处理设备抽至真空状态,并开启电机带动搅拌叶搅动钝化处理设备中的原料,45-90分钟后取出。
步骤5:取出钝化后的原料,放入搅拌装置中,并按相应重量份数将脱模剂、粘结剂、绝缘剂以及镍钼合金加入其中,进行搅拌,50-80分钟后取出。
步骤6:取出后的原料,放入烘干设备中,进行烘干处理,20-60分钟后取出,制备完成。
5.根据权利要求4所述的一种铁硅铝磁粉的制备工艺,其特征在于:所述步骤4的时间为70分钟,所述步骤5的时间为60分钟,所述步骤6的时间为45分钟。
CN201911093798.8A 2019-11-11 2019-11-11 一种铁硅铝磁粉及其制备工艺 Pending CN111326308A (zh)

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CN103377785A (zh) * 2013-07-10 2013-10-30 浙江大学 一种无机绝缘粘结颗粒制备金属软磁粉芯的方法
CN104070161A (zh) * 2014-05-28 2014-10-01 浙江大学 一种无机-有机复合粘结剂包覆软磁复合材料的制备方法

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CN103377785A (zh) * 2013-07-10 2013-10-30 浙江大学 一种无机绝缘粘结颗粒制备金属软磁粉芯的方法
CN104070161A (zh) * 2014-05-28 2014-10-01 浙江大学 一种无机-有机复合粘结剂包覆软磁复合材料的制备方法

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