CN111575603A - 一种铁硅铬软磁合金粉及其制备方法 - Google Patents

一种铁硅铬软磁合金粉及其制备方法 Download PDF

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CN111575603A
CN111575603A CN202010341062.4A CN202010341062A CN111575603A CN 111575603 A CN111575603 A CN 111575603A CN 202010341062 A CN202010341062 A CN 202010341062A CN 111575603 A CN111575603 A CN 111575603A
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alloy powder
soft magnetic
silicon
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magnetic alloy
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赵军喜
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Jiangsu Mengda Advanced Materials Technology Co ltd
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
    • B22F1/0003—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
    • B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
    • B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets 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
    • H01F1/14—Magnets 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
    • H01F1/147—Alloys characterised by their composition
    • H01F1/14766—Fe-Si based alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C2202/00—Physical properties
    • C22C2202/02—Magnetic

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  • Materials Engineering (AREA)
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Abstract

本发明公开一种铁硅铬软磁合金粉，所述铁硅铬软磁合金粉的合金元素质量百分比为Si0.3‑1.0％、Cr16‑18％、Mn0.3‑1.2％、Ni12‑14％、余量为Fe。本发明粉末氧含量可控，杂质含量低，C元素质量分数小于等于0.03％；此方法粉末呈不规则形貌，压制烧结后成品机械强度高，透气性好，耐高温，过滤精度范围较广；激光粒度在20～30μm之间，氧含量小于0.28％，振实密度≤3.8g/cm3。

Description

一种铁硅铬软磁合金粉及其制备方法
技术领域
本发明涉及合金粉末技术领域，具体是一种铁硅铬软磁合金粉及其制备方法。
背景技术
金属软磁粉芯具有磁电转换、储能和滤波等功能，常被用来制作PFC电感、扼流圈、滤波器、电抗器、光伏逆变器等。随着电子元器件高频化，小型化和低功耗的发展，金属软磁粉芯朝着高饱和磁感强度，低损耗的方向发展，而软磁合金粉末作为制备金属软磁粉芯的原材料，对磁粉芯的性能起着关键作用。
发明内容
本发明的目的在于针对现有技术的缺陷和不足，提供一种铁硅铬软磁合金粉及其制备方法。
为实现上述目的，本发明采用的技术方案是：一种铁硅铬软磁合金粉，其创新点在于：所述铁硅铬软磁合金粉的合金元素质量百分比为Si4.6-5.0％，Cr5.2-5.5％，Ti0.1-0.2％，余量为Fe。
一种铁硅铬软磁合金粉的制备方法，其创新点在于，具体步骤如下：
(1)将Si、Cr、Ti、Fe四种原材料按比例配好，投入中频炉冶炼，熔化成至1630-1650℃后通过水气联合法雾化；
(2)雾化后粉末经过干燥，筛分，合批，得到成品铁硅铬合金粉。
本发明有益效果为：
本发明成品率大于65％，粉末粒度细，氧含量低，杂质含量低；同时本发明所得的粉末球形度较好，制成磁粉芯后磁性能优良。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下以具体实施方式，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施方式仅用以解释本发明，并不用于限定本发明。
实施例1。
一种铁硅铬软磁合金粉的制备方法，具体步骤如下：
(1)将Si5.0％，Cr5.5％，Ti0.2％四种原材料按比例配好，投入中频炉冶炼，熔化成至1650℃后通过水气联合法雾化；
(2)雾化后粉末经过干燥，筛分，合批，得到成品铁硅铬合金粉。
实施例2
一种铁硅铬软磁合金粉的制备方法，具体步骤如下：
(1)将Si4.6％，Cr5.2％，Ti0.1％四种原材料按比例配好，投入中频炉冶炼，熔化成至1630℃后通过水气联合法雾化；
(2)雾化后粉末经过干燥，筛分，合批，得到成品铁硅铬合金粉。
实施例3
一种铁硅铬软磁合金粉的制备方法，具体步骤如下：
(1)将Si4.8％，Cr5.4％，Ti0.15％四种原材料按比例配好，投入中频炉冶炼，熔化成至1640℃后通过水气联合法雾化；
(2)雾化后粉末经过干燥，筛分，合批，得到成品铁硅铬合金粉。
表一激光粒度在9.0～11μm之间，氧含量小于0.25％
Figure BDA0002468495970000021
Figure BDA0002468495970000031
从上表可以看出，本发明所生产的铁硅铬软磁合金粉成品率高，粉末粒度细，氧含量低，杂质含量低；同时本发明所得的粉末球形度较好，制成磁粉芯后磁性能优良。
以上所述，仅用以说明本发明的技术方案而非限制，本领域普通技术人员对本发明的技术方案所做的其它修改或者等同替换，只要不脱离本发明技术方案的精神和范围，均应涵盖在本发明的权利要求范围当中。

Claims (2)

1.一种铁硅铬软磁合金粉，其特征在于：所述铁硅铬软磁合金粉的合金元素质量百分比为Si4.6-5.0％，Cr5.2-5.5％，Ti0.1-0.2％，余量为Fe。
2.一种如权利要求1所述铁硅铬软磁合金粉的制备方法，其特征在于，具体步骤如下：
(1)将Si、Cr、Ti、Fe四种原材料按比例配好，投入中频炉冶炼，熔化成至1630-1650℃后通过水气联合法雾化；
(2)雾化后粉末经过干燥，筛分，合批，得到成品铁硅铬合金粉。
CN202010341062.4A 2020-04-27 2020-04-27 一种铁硅铬软磁合金粉及其制备方法 Pending CN111575603A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113245542A (zh) * 2021-05-16 2021-08-13 江苏萌达新材料科技有限公司 一种mim用耐热合金钢粉末、制备方法及其设备
CN113878125A (zh) * 2021-10-15 2022-01-04 泉州市鑫航新材料科技有限公司 一种铁硅铬锗钛合金软磁粉末气雾化的制备方法

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US4705581A (en) * 1985-04-16 1987-11-10 Aichi Steel Works, Ltd. Soft magnetic stainless steel
JP2000239808A (ja) * 1999-02-16 2000-09-05 Sanyo Special Steel Co Ltd 抗菌性に優れた耐食軟磁性材料
CN103493155A (zh) * 2011-04-27 2014-01-01 太阳诱电株式会社 磁性材料及使用它的线圈零件
CN110164677A (zh) * 2019-06-11 2019-08-23 莱芜职业技术学院 一种制备用于3d打印的铁基软磁复合材料丝材
CN110475636A (zh) * 2017-03-27 2019-11-19 日立金属株式会社 雾化粉末的制造方法和磁芯的制造方法

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US4705581A (en) * 1985-04-16 1987-11-10 Aichi Steel Works, Ltd. Soft magnetic stainless steel
JP2000239808A (ja) * 1999-02-16 2000-09-05 Sanyo Special Steel Co Ltd 抗菌性に優れた耐食軟磁性材料
CN103493155A (zh) * 2011-04-27 2014-01-01 太阳诱电株式会社 磁性材料及使用它的线圈零件
CN110475636A (zh) * 2017-03-27 2019-11-19 日立金属株式会社 雾化粉末的制造方法和磁芯的制造方法
CN110164677A (zh) * 2019-06-11 2019-08-23 莱芜职业技术学院 一种制备用于3d打印的铁基软磁复合材料丝材

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113245542A (zh) * 2021-05-16 2021-08-13 江苏萌达新材料科技有限公司 一种mim用耐热合金钢粉末、制备方法及其设备
CN113878125A (zh) * 2021-10-15 2022-01-04 泉州市鑫航新材料科技有限公司 一种铁硅铬锗钛合金软磁粉末气雾化的制备方法

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