WO2015151420A1 - アトマイズ金属粉末の製造方法 - Google Patents
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- WO2015151420A1 WO2015151420A1 PCT/JP2015/001407 JP2015001407W WO2015151420A1 WO 2015151420 A1 WO2015151420 A1 WO 2015151420A1 JP 2015001407 W JP2015001407 W JP 2015001407W WO 2015151420 A1 WO2015151420 A1 WO 2015151420A1
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- 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
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- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/002—Making metallic powder or suspensions thereof amorphous or microcrystalline
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
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- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
- C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
- C22C33/0264—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements the maximum content of each alloying element not exceeding 5%
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- C22C45/00—Amorphous alloys
- C22C45/02—Amorphous alloys with iron as the major constituent
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- 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
- B22F2009/0824—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 with a specific atomising fluid
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- 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
- B22F2009/0824—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 with a specific atomising fluid
- B22F2009/0828—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 with a specific atomising fluid with water
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B22F2009/0848—Melting process before atomisation
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- 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
- B22F2009/086—Cooling after atomisation
- B22F2009/0872—Cooling after atomisation by water
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- 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
- B22F2009/0888—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 casting construction of the melt process, apparatus, intermediate reservoir, e.g. tundish, devices for temperature control
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- B22F2301/00—Metallic composition of the powder or its coating
- B22F2301/35—Iron
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- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
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- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
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Abstract
Description
(1)溶融金属流に、流体を噴射し、該溶融金属流を分断して金属粉末とし、該金属粉末を冷却するアトマイズ金属粉末の製造方法であって、前記流体を、液温:10℃以下、噴射圧:5MPa以上の噴射水として前記溶融金属流の分断および前記金属粉末の冷却を行うことを特徴とするアトマイズ金属粉末の製造方法。
(2)溶融金属流に、流体を噴射し、該溶融金属流を分断して金属粉末とし、該金属粉末を冷却するアトマイズ金属粉末の製造方法であって、前記流体を不活性ガスとして前記溶融金属流の分断を行い、前記金属粉末の冷却を、液温:10℃以下、噴射圧:5MPa以上の噴射水を用いて行うことを特徴とするアトマイズ金属粉末の製造方法。
(3)(2)において、前記噴射水の噴射を、前記金属粉末の温度が1000℃以下となった後に、行うことを特徴とするアトマイズ金属粉末の製造方法。
(4)(1)ないし(3)のいずれかにおいて、前記溶融金属流が、Fe-B系合金、あるいはFe-Si-B系合金からなり、前記アトマイズ金属粉末が非晶質金属粉末であることを特徴とするアトマイズ金属粉末の製造方法。
図2に示す水アトマイズ金属粉製造装置を用いて金属粉末を製造した。
(実施例2)
図3に示すガスアトマイズ金属粉製造装置を用いて金属粉末を製造した。
(実施例3)
図3に示すガスアトマイズ金属粉製造装置を用いて金属粉末を製造した。
2 溶解炉
3 タンディッシュ
4 溶湯ガイドノズル
5 ノズルヘッダー
6 ノズル(水噴射ノズル)
7 流体(噴射水)
8 溶融金属流
8a 金属粉末
9 チャンバー
10 ホッパー
11 不活性ガスバルブ
12 オーバーフローバルブ
13 金属粉回収バルブ
14 水アトマイズ金属粉製造装置
15 冷却水タンク
16 チラー(低温冷却水製造装置)
17 高圧ポンプ
18 冷却水配管
19 ガスアトマイズ金属粉製造装置
21 ノズルヘッダー(ガスノズルヘッダー)
22 ガスノズル
24 ヘッダーバルブ
25 冷却水噴射ノズル
25a 噴射水
26 冷却水用バルブ
27 ガスアトマイズ用ガスボンベ
28 高圧ガス配管
Claims (4)
- 溶融金属流に、流体を噴射し、該溶融金属流を分断して金属粉末とし、該金属粉末を冷却するアトマイズ金属粉末の製造方法であって、前記流体を、液温:10℃以下、噴射圧:5MPa以上の噴射水として、前記溶融金属流の分断および前記金属粉末の冷却を行うことを特徴とするアトマイズ金属粉末の製造方法。
- 溶融金属流に、流体を噴射し、該溶融金属流を分断して金属粉末とし、該金属粉末を冷却するアトマイズ金属粉末の製造方法であって、前記流体を不活性ガスとして前記溶融金属流の分断を行い、前記金属粉末の冷却を、液温:10℃以下、噴射圧:5MPa以上の噴射水を用いて行うことを特徴とするアトマイズ金属粉末の製造方法。
- 前記噴射水の噴射を、前記金属粉末の温度が1000℃以下となった後に、行うことを特徴とする請求項2に記載のアトマイズ金属粉末の製造方法。
- 前記溶融金属流が、Fe-B系合金、あるいはFe-Si-B系合金からなり、前記アトマイズ金属粉末が非晶質金属粉末であることを特徴とする請求項1ないし3のいずれかに記載のアトマイズ金属粉末の製造方法。
Priority Applications (6)
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US15/129,839 US10293407B2 (en) | 2014-03-31 | 2015-03-13 | Method of producing atomized metal powder |
KR1020187011451A KR102303461B1 (ko) | 2014-03-31 | 2015-03-13 | 아토마이즈 금속 분말의 제조 방법 |
KR1020167027009A KR20160128380A (ko) | 2014-03-31 | 2015-03-13 | 아토마이즈 금속 분말의 제조 방법 |
JP2015539900A JP6266636B2 (ja) | 2014-03-31 | 2015-03-13 | アトマイズ金属粉末の製造方法 |
CN201580016835.9A CN106132599B (zh) | 2014-03-31 | 2015-03-13 | 雾化金属粉末的制造方法 |
SE1651221A SE542606C2 (en) | 2014-03-31 | 2015-03-13 | Method for producing atomized metal powder |
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JP2014072786 | 2014-03-31 | ||
JP2014-072786 | 2014-03-31 |
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PCT/JP2015/001407 WO2015151420A1 (ja) | 2014-03-31 | 2015-03-13 | アトマイズ金属粉末の製造方法 |
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US (1) | US10293407B2 (ja) |
JP (2) | JP6266636B2 (ja) |
KR (2) | KR102303461B1 (ja) |
CN (1) | CN106132599B (ja) |
SE (1) | SE542606C2 (ja) |
WO (1) | WO2015151420A1 (ja) |
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WO2018139518A1 (ja) * | 2017-01-27 | 2018-08-02 | Jfeスチール株式会社 | 軟磁性鉄粉の製造方法 |
JPWO2018139518A1 (ja) * | 2017-01-27 | 2019-01-31 | Jfeスチール株式会社 | 軟磁性鉄粉の製造方法 |
KR20190102234A (ko) * | 2017-01-27 | 2019-09-03 | 제이에프이 스틸 가부시키가이샤 | 연자성 철분의 제조 방법 |
CN110225804A (zh) * | 2017-01-27 | 2019-09-10 | 杰富意钢铁株式会社 | 软磁性铁粉的制造方法 |
JP2020056108A (ja) * | 2017-01-27 | 2020-04-09 | Jfeスチール株式会社 | 軟磁性鉄粉の製造方法 |
KR102288549B1 (ko) | 2017-01-27 | 2021-08-10 | 제이에프이 스틸 가부시키가이샤 | 연자성 철분의 제조 방법 |
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JP2020105593A (ja) * | 2018-12-27 | 2020-07-09 | Jfeスチール株式会社 | アトマイズ金属粉末の製造方法 |
Also Published As
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JPWO2015151420A1 (ja) | 2017-04-13 |
CN106132599A (zh) | 2016-11-16 |
KR20160128380A (ko) | 2016-11-07 |
SE1651221A1 (en) | 2016-09-12 |
CN106132599B (zh) | 2018-03-20 |
SE542606C2 (en) | 2020-06-16 |
JP6266636B2 (ja) | 2018-01-24 |
KR20180043853A (ko) | 2018-04-30 |
US10293407B2 (en) | 2019-05-21 |
JP2017122278A (ja) | 2017-07-13 |
US20170144227A1 (en) | 2017-05-25 |
KR102303461B1 (ko) | 2021-09-16 |
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