JP2021085065A5 - - Google Patents
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- JP2021085065A5 JP2021085065A5 JP2019214326A JP2019214326A JP2021085065A5 JP 2021085065 A5 JP2021085065 A5 JP 2021085065A5 JP 2019214326 A JP2019214326 A JP 2019214326A JP 2019214326 A JP2019214326 A JP 2019214326A JP 2021085065 A5 JP2021085065 A5 JP 2021085065A5
- Authority
- JP
- Japan
- Prior art keywords
- evaluated
- silicon oxide
- soft magnetic
- magnetic powder
- weather resistance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000006247 magnetic powder Substances 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
Description
［耐候性］
シリコン酸化物被覆軟磁性粉末の耐候性は、以下の手順で評価した。
シリコン酸化物被覆軟磁性粉末を、１５０℃の大気雰囲気中に２００時間放置した後、上述と同様に体積抵抗率を測定し、耐候性の指標とした。この時の体積抵抗率の値が１.０×１０ ７ （Ω・ｃｍ）以上のものを評価「〇」とした。
シリコン酸化物被覆軟磁性粉末の耐候性は、以下の手順で評価した。
シリコン酸化物被覆軟磁性粉末を、１５０℃の大気雰囲気中に２００時間放置した後、上述と同様に体積抵抗率を測定し、耐候性の指標とした。この時の体積抵抗率の値が１.０×１０ ７ （Ω・ｃｍ）以上のものを評価「〇」とした。
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019214326A JP7324130B2 (ja) | 2019-11-27 | 2019-11-27 | シリコン酸化物被覆軟磁性粉末および製造方法 |
| US17/773,865 US20220392676A1 (en) | 2019-11-27 | 2020-11-19 | Silicon-oxide-coated soft magnetic powder, and method for manufacturing same |
| KR1020227021922A KR20220107027A (ko) | 2019-11-27 | 2020-11-19 | 실리콘 산화물 피복 연자성 분말 및 제조방법 |
| PCT/JP2020/043268 WO2021106752A1 (ja) | 2019-11-27 | 2020-11-19 | シリコン酸化物被覆軟磁性粉末および製造方法 |
| CN202080082368.0A CN114728334B (zh) | 2019-11-27 | 2020-11-19 | 硅氧化物被覆软磁性粉末及制造方法 |
| TW109141347A TWI733622B (zh) | 2019-11-27 | 2020-11-25 | 被覆有氧化矽之軟磁性粉末及製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019214326A JP7324130B2 (ja) | 2019-11-27 | 2019-11-27 | シリコン酸化物被覆軟磁性粉末および製造方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2021085065A JP2021085065A (ja) | 2021-06-03 |
| JP2021085065A5 true JP2021085065A5 (ja) | 2022-10-06 |
| JP7324130B2 JP7324130B2 (ja) | 2023-08-09 |
Family
ID=76086934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019214326A Active JP7324130B2 (ja) | 2019-11-27 | 2019-11-27 | シリコン酸化物被覆軟磁性粉末および製造方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20220392676A1 (ja) |
| JP (1) | JP7324130B2 (ja) |
| KR (1) | KR20220107027A (ja) |
| CN (1) | CN114728334B (ja) |
| TW (1) | TWI733622B (ja) |
| WO (1) | WO2021106752A1 (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113984874A (zh) * | 2021-10-26 | 2022-01-28 | 西安热工研究院有限公司 | 一种锅炉管下弯头氧化皮堆积量的计算与评判方法 |
| CN116100019A (zh) * | 2021-11-10 | 2023-05-12 | 横店集团东磁股份有限公司 | 金属粉末的表面处理方法及表面钝化金属粉末 |
| WO2023145500A1 (ja) * | 2022-01-31 | 2023-08-03 | 富士フイルム株式会社 | 組成物の製造方法、磁性材料、電子部品 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005286315A (ja) * | 2004-03-01 | 2005-10-13 | Showa Denko Kk | シリカ被覆した希土類系磁性粉末およびその製造方法並びにその用途 |
| JP2008028162A (ja) * | 2006-07-21 | 2008-02-07 | Sumitomo Electric Ind Ltd | 軟磁性材料の製造方法、軟磁性材料、および圧粉磁心 |
| JP2009117651A (ja) * | 2007-11-07 | 2009-05-28 | Mitsubishi Materials Pmg Corp | 高強度軟磁性複合圧密焼成材およびその製造方法 |
| JP5263654B2 (ja) | 2008-03-21 | 2013-08-14 | 日立金属株式会社 | 圧粉磁心用軟磁性粉末のシリカ被覆形成方法および圧粉磁心の製造方法 |
| US11276509B2 (en) * | 2012-11-29 | 2022-03-15 | Ito Research Institute Co., Ltd | Structure containing metal microparticles |
| CN103177838B (zh) * | 2012-12-30 | 2016-08-03 | 中南大学 | 一种软磁复合粉末及其制备方法 |
| CN103151134B (zh) * | 2013-03-25 | 2015-08-12 | 北京科技大学 | 硅酮树脂_铁氧体复合包覆的软磁磁粉芯及其制备方法 |
| EP2871646A1 (en) * | 2013-11-06 | 2015-05-13 | Basf Se | Temperature-stable soft-magnetic powder |
| CN107210120B (zh) * | 2015-02-16 | 2020-08-18 | 株式会社东芝 | 压粉磁心及其制造方法、以及使用了其的磁性部件 |
| JP7201417B2 (ja) * | 2018-01-17 | 2023-01-10 | Ｄｏｗａエレクトロニクス株式会社 | シリコン酸化物被覆鉄粉およびその製造方法並びにそれを用いたインダクタ用成形体およびインダクタ |
| DE112019000893T5 (de) * | 2018-02-20 | 2020-11-05 | Dowa Electronics Materials Co., Ltd. | Mit siliciumoxid beschichtetes weichmagnetisches pulver und herstellungsverfahren dafür |
-
2019
- 2019-11-27 JP JP2019214326A patent/JP7324130B2/ja active Active
-
2020
- 2020-11-19 WO PCT/JP2020/043268 patent/WO2021106752A1/ja active Application Filing
- 2020-11-19 CN CN202080082368.0A patent/CN114728334B/zh active Active
- 2020-11-19 KR KR1020227021922A patent/KR20220107027A/ko active Search and Examination
- 2020-11-19 US US17/773,865 patent/US20220392676A1/en active Pending
- 2020-11-25 TW TW109141347A patent/TWI733622B/zh active
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