KR930008884A - Manufacturing method of thermosetting compound powder for rare earth plastic magnet - Google Patents

Manufacturing method of thermosetting compound powder for rare earth plastic magnet Download PDF

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Publication number
KR930008884A
KR930008884A KR1019910018623A KR910018623A KR930008884A KR 930008884 A KR930008884 A KR 930008884A KR 1019910018623 A KR1019910018623 A KR 1019910018623A KR 910018623 A KR910018623 A KR 910018623A KR 930008884 A KR930008884 A KR 930008884A
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South Korea
Prior art keywords
magnetic powder
atomic
rare earth
based plastic
weight
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KR1019910018623A
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Korean (ko)
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KR940003341B1 (en
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최승덕
양충진
이우영
변갑식
Original Assignee
정명식
포항종합제철 주식회사
백덕현
재단법인산업과학기술연구소
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Priority to KR1019910018623A priority Critical patent/KR940003341B1/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus 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
    • H01F41/02—Apparatus 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
    • H01F41/0253—Apparatus 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 for manufacturing permanent magnets
    • H01F41/0266—Moulding; Pressing
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C45/00—Amorphous alloys
    • C22C45/008—Amorphous alloys with Fe, Co or Ni as the major constituent
    • 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
    • H01F1/032—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 hard-magnetic materials
    • H01F1/04—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 hard-magnetic materials metals or alloys
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
    • H01F1/0575—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together
    • H01F1/0576—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together pressed, e.g. hot working

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)

Abstract

본 발명은 희토류계 플라스틱 자석용 열경화성 북합자성분말의 제조방법에 관한 것으로, 최적의 자기적 특성을 부여하고 압축 성형성이 우수한 희토류계 플라스틱 자석용 열경화성 복합자성분말을 제공하고자 하는데, 그 목적이 있다.The present invention relates to a method for producing a thermosetting drum polymer powder for rare earth-based plastic magnets, and to provide a thermosetting composite powder for rare earth-based plastic magnets that provides optimum magnetic properties and has excellent compression moldability. have.

본 발명은 Nd(a)Fe(b)Co(c)Zr(d)B(e)(여기서, a=9~12원자%, b=70~82원자%, c=1~10원자%, d=0.5~3.0원자%, e=3~10원자%, a+b+c+d+e=100원자%)의 자성합금을 용융한 후 축출 용융 회전식 급속 냉각 방법에 의해 비정질 자성분말을 제조한 단계, 상기 자성분말을 600~YY800℃에서 0.5-2시간동안 열처리 하는 단계, 상기와 같이 열처리된 자성분말이 60~200메쉬의 입도 및 1.0~3.0의 축비를 갖도록 조절하는 단계.In the present invention, Nd (a) Fe (b) Co (c) Zr (d) B (e) (where a = 9-12 atomic%, b = 70-82 atomic%, c = 1-10 atomic%, After melting the magnetic alloy of d = 0.5 to 3.0 atomic%, e = 3 to 10 atomic%, a + b + c + d + e = 100 atomic%), the amorphous magnetic powder was prepared by the eviction melt rotary rapid cooling method. One step, heat-treating the magnetic powder at 600 ~ YY800 ℃ for 0.5-2 hours, adjusting the magnetic powder is heat-treated as described above to have a particle size of 60 ~ 200 mesh and the axial ratio of 1.0 ~ 3.0.

상기와 같이 입도 및 축비가 조절된 자성분말을 0.5~2.0중량%의 실란계 커플링제를 사용하여 표면처리하는 단계, 상기와 같이 표면처리된 자성분말을 5-30중량%의 지방족 카본산 에스테르를 첨가한 1~5중량%의 열경화성 수지와 혼합하는 단계를 포함하여 희토류계 플라스틱 자석용 열경화성 복합자성 분말을 제조하는 방법이다.Surface treatment of the magnetic powder having a particle size and axial ratio adjusted as described above using a silane coupling agent of 0.5 to 2.0% by weight, 5-30% by weight of aliphatic carboxylic acid ester of the surface-treated magnetic powder as described above It is a method of manufacturing a thermosetting composite magnetic powder for rare earth-based plastic magnets, including the step of mixing with the added 1 to 5% by weight of the thermosetting resin.

본 발명은 플라스틱 자석에 적합한 조성, 입형, 입도를 가즌?? 복합자성분말을 제공함으로써 자성분말의 성형특성은 물론 희토류계 플라스틱 자석의 자기적 특성 향상에 큰 효과가 있는 것이다.The present invention is suitable for the plastic magnet, the composition, shape, particle size ?? By providing the compound magnetic powder, the molding properties of the magnetic powder as well as the magnetic properties of the rare earth-based plastic magnets are greatly improved.

Description

희토류계 플라스틱 자석용 열경화성 복합자성분말의 제조방법Manufacturing method of thermosetting compound powder for rare earth plastic magnet

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 추기변화에 따른 조밀화율을 나타내는 그래프.1 is a graph showing the densification rate according to the additional change.

Claims (3)

Nd(a) Fe(b) Co(c) Zr(d) B(d) (여기서, a=9~12원자%, b=7~82원자%, c=1~10원자%, d=0.5~3.0원자%, e=3~10원자%, a+b+c+d+e=100원자%)의 자성합금을 용융한 후 축출 용융회전식 급속냉각 방법에 의해 비정질 자성분말을 제조한 단계, 상기 자성분말을 600~800℃에서 0.5~2시간동안 열처리 하는 단계, 상기와 같이 열처리된 자성분말이 60~200메쉬의 입도 및 1.0~3.0의 축비를 작도록 조절하는 단계.Nd (a) Fe (b) Co (c) Zr (d) B (d) (where a = 9 to 12 atom%, b = 7 to 82 atom%, c = 1 to 10 atom%, d = 0.5 Melting the magnetic alloy of ˜3.0 atomic%, e = 3-10 atomic%, a + b + c + d + e = 100 atomic%), and then preparing the amorphous magnetic powder by the extraction melt-rotary rapid cooling method, Heat-treating the magnetic powder at 600-800 ° C. for 0.5-2 hours, adjusting the magnetic powder heat-treated as described above to reduce the particle size of 60-200 mesh and the axial ratio of 1.0-3.0. 상기와 같이 입도 및 축비가 조절된 자성분말을 0.5~2.0중량%의 실란계 커플링제를 사용하여 표면처리하는 단계, 상기와 같이 표면처리된 자성분말을 5~30중량%의 지방족 카본산 에스테르를 첨가한 1~5중량%의 열경화성 수지와 혼합하는 단계를 포함하여 희토류계 플라스틱 자성용 열경화성 복합자성분말의 제조방법.Surface treatment of the magnetic powder having a particle size and axial ratio controlled as described above using a silane coupling agent of 0.5 to 2.0% by weight, aliphatic carboxylic acid ester of 5 to 30% by weight of the surface-treated magnetic powder as described above A method of producing a thermosetting composite magnetic powder for rare earth-based plastic magnetic, comprising the step of mixing with an added 1 to 5% by weight of a thermosetting resin. 제1항에 있어서, 실란계 커플링제가 γ-아미노프로필 트리에톡시 실란, γ-글리폭시 프로필 트리메톡시 실란, 및 γ-메타크릴 옥시 프로필 트리메톡시 실란으로 이루어진 그룹중에서 선택된 어느 하나인 것을 특징으로 하는 희토류계 플라스틱 자석용 경화성 복합 자성분말의 제조방법.The silane coupling agent according to claim 1, wherein the silane coupling agent is any one selected from the group consisting of γ-aminopropyl triethoxy silane, γ-glyoxy propyl trimethoxy silane, and γ-methacryl oxy propyl trimethoxy silane. A method for producing a curable composite magnetic powder for rare earth-based plastic magnets. 제1항에 있어서, 지방족 카본산 에스테르가 스테아린산 에칠, 올레인산 에칠 및 리놀산 메칠로 이루어진 그룹중에서 선택된 어느 하나인 것을 특징으로 하는 희토류계 플라스틱 자석용 열경화성 복합자성 분말의 제조방법.The method for producing a thermosetting composite magnetic powder for rare earth-based plastic magnets according to claim 1, wherein the aliphatic carboxylic acid ester is any one selected from the group consisting of stearic acid ethyl, oleic acid ethyl and linoleic acid methyl. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910018623A 1991-10-22 1991-10-22 Magnetic materials KR940003341B1 (en)

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KR1019910018623A KR940003341B1 (en) 1991-10-22 1991-10-22 Magnetic materials

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KR1019910018623A KR940003341B1 (en) 1991-10-22 1991-10-22 Magnetic materials

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KR940003341B1 KR940003341B1 (en) 1994-04-20

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