KR900702064A - Fe-Co-based sintered magnetic material and its manufacturing method - Google Patents

Fe-Co-based sintered magnetic material and its manufacturing method

Info

Publication number
KR900702064A
KR900702064A KR1019900700182A KR900700182A KR900702064A KR 900702064 A KR900702064 A KR 900702064A KR 1019900700182 A KR1019900700182 A KR 1019900700182A KR 900700182 A KR900700182 A KR 900700182A KR 900702064 A KR900702064 A KR 900702064A
Authority
KR
South Korea
Prior art keywords
weight
powder
magnetic material
particle diameter
average particle
Prior art date
Application number
KR1019900700182A
Other languages
Korean (ko)
Other versions
KR930006442B1 (en
Inventor
요시사도 기요다
오사무 후루기미
Original Assignee
야기 야수히로
가와사키세이데쓰 가부시키가이샤
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 야기 야수히로, 가와사키세이데쓰 가부시키가이샤 filed Critical 야기 야수히로
Priority claimed from PCT/JP1989/000537 external-priority patent/WO1989012112A1/en
Publication of KR900702064A publication Critical patent/KR900702064A/en
Application granted granted Critical
Publication of KR930006442B1 publication Critical patent/KR930006442B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • 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

Abstract

내용 없음No content

Description

Fe-Co 계 소결자성재료 및 그 제조방법Fe-Co-based sintered magnetic material and its manufacturing method

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

제1도는 실시예 7의 결과를 나타낸 그래프로서, 소결온도와 자속밀도 B20과의 관계를 표시한다. 제2도는 실시예 7의 결과를 나타낸 그래프로서, 소결온도와 전지저항율과의 관계를 나타낸다.1 is a graph showing the results of Example 7, showing the relationship between the sintering temperature and the magnetic flux density B 20 . 2 is a graph showing the results of Example 7, showing the relationship between the sintering temperature and the battery resistivity.

Claims (8)

적어도 Fe 및 Co금속의 합금분발 및/또는 혼합분말을 조정하고, 다음으로 이것을 적어도 유길바인더와 뒤섞어 사출성형처리, 탈지처리를 행한 후 저온 소결과 고온소결과의 2단계 소결처리를 행하는 것을 특징으로 하는 Fe-Co계 소결자성재료의 제조방법.At least an alloy powder and / or mixed powder of Fe and Co metals are adjusted, and then mixed with at least an organic binder, followed by injection molding and degreasing, followed by two-step sintering of low-temperature sintering and high-temperature sintering. Fe-Co-based sintered magnetic material manufacturing method. 제1항에 있어서, Fe 및 Co금속의 합금분말 및/또는 혼합분말이 최종조성으로 Co : 15-60무게 % 나머지가 실질적으로 Fe가 되도록 조정되고, 평균입경이 2-15㎛의 Fe분말과 평균입경이 1-10㎛의 Co분말과의 혼합분말, 평균입경이 3-10㎛의 Fe-Co혼합분말, 또는 각각의 평균입경이 3-10㎛인 Fe분말 및 Co분말의 1종 이상과 평균입경이 3-10㎛의 Fe-Co합금분말과의 혼합물이며, 2단계 소결처리가 800-950℃의 α상역 온도에서 행한 후 1000℃이상의 r상역 온도에서 행하는 소결처리인 Fe-Co계 소결자성재료의 제조방법.The method of claim 1, wherein the alloy powder and / or mixed powder of Fe and Co metal is adjusted so that Co: 15-60% by weight of the remainder substantially Fe in the final composition, Fe powder having an average particle diameter of 2-15㎛ Mixed powder with Co powder having an average particle diameter of 1-10 µm, Fe-Co mixed powder having an average particle diameter of 3-10 µm, or at least one of Fe powder and Co powder having an average particle diameter of 3-10 µm; Fe-Co-based sintering, which is a mixture with Fe-Co alloy powder with an average particle diameter of 3-10 µm, and a two-step sintering treatment is carried out at an α phase temperature of 800-950 ° C. and then performed at a r phase temperature of 1000 ° C. or higher. Method of producing magnetic material. 제2항에 있어서, 800-950℃의 α상역 소결이 환원가스 분위기속에서 행해지는 Fe-Co계 소결자성재료의 제조방법.The method for producing a Fe-Co-based sintered magnetic material according to claim 2, wherein α-phase sintering at 800-950 ° C is performed in a reducing gas atmosphere. 제1항에 있어서, Fe 및 Co금속의 합금분말 및/또는 혼합분말이 최종조성으로 Co : 15-60무게 %, V :0.5-3.5 무게 %, 나머지가 실질적으로 Fe가 되도록 조정되고, 평균입경이 3-25㎛의 합금분말 및/또는 혼합분말이며, 2단계 소결처리가 환원성 분위기 또는 30Torr 이하의 감압분위기속에서 1000-1300℃로 행한후 불활성 가스 분위기속에서 다시 이보다 50℃이상 승온하여 행하는 소결처리인 Fe-Co계 소결자성재료의 제조방법.The alloy powder and / or mixed powder of Fe and Co metal are adjusted in a final composition such that Co: 15-60 weight%, V: 0.5-3.5 weight%, and the rest is substantially Fe, and the average particle diameter This 3-25 탆 alloy powder and / or mixed powder, which is subjected to a two-step sintering at 1000-1300 ° C. in a reducing atmosphere or a reduced pressure atmosphere of 30 Torr or less, and then again heated at 50 ° C. or higher in an inert gas atmosphere. Sintering process for producing Fe-Co-based sintered magnetic material. 제1항에 있어서, Fe 및 Co금속의 합금분말 및/또는 혼합분말이 최종조성으로 Co : 20-25 무게%, Cr :0.5-3.5무게%, 나머지가 실질적으로 Fe가 되도록 조정되고, 평균입경이 2-15㎛의 Fe분말을 함유하며, 또한 평균입경이 1-10㎛의 Co분말 및 평균입경이 3-10㎛의 Fe-Co합금분말에서 선택되는 적어도 하나를 함유하고, 또한 평균입경이 1-30㎛의 Cr 및/또는 Cr산화물 분말 및 평균입경이 2-30㎛의 Fe-Cr합금분말에서 선택 되는 적어도 하나를 함유하며, 2단계 소결처리가 30 Torr이하의 감압분위기속에서 1000-1350℃로 행한 후 비산화성 분위기속에서 다시 이보다 50℃이상 승온하여 행하는 소결처리인 Fe-Co계 소결자성재료의 제조방법.The alloy powder and / or the mixed powder of Fe and Co metal are adjusted to 20-20 wt% of Co, 0.5-3.5wt% of Cr, and the remainder to be substantially Fe in the final composition, and the average particle diameter of claim 1 It contains 2-15 탆 Fe powder, and contains at least one selected from Co powder of 1-10 탆 and Fe-Co alloy powder of 3-10 탆, and the average grain size Cr and / or Cr oxide powder of 1-30 탆 and at least one selected from Fe-Cr alloy powder having an average particle diameter of 2-30 탆, and the two-step sintering treatment is carried out at 1000- at a reduced pressure of 30 Torr or less. A method for producing a Fe-Co-based sintered magnetic material, which is a sintering treatment performed at 1350 ° C. and then heated at 50 ° C. or more in a non-oxidizing atmosphere. CO : 15-60무게 %, O :0.04무게 %이하, C :0.02무게 %이하를 함유하고 나머지가 Fe 및 불가피적 불순물로 이뤄지며, 소결밀도비가 95%이상, 평균결정립경이 50㎛이상인 것을 특징으로 하는 Fe-Co계 소결 자성재료.CO: 15-60 weight%, O: 0.04 weight% or less, C: 0.02 weight% or less, the remainder is composed of Fe and unavoidable impurities, the sintered density ratio is 95% or more, the average grain size is 50㎛ or more Fe-Co-based sintered magnetic material. CO :15-60무게 %, V :0.05-3.5무게 %, O :0.6무게 %이하, C : 0.04무게%이하를 함유하고 나머지가 Fe 및 불가피적 불순물로 이뤄지며, 소결밀도비가 95%이상, 평균결정립경이 50㎛이상인 것을 특징으로 하는 Fe-Co계 소결 자성재료.CO: 15-60 weight%, V: 0.05-3.5 weight%, O: 0.6 weight% or less, C: 0.04 weight% or less, the remainder is composed of Fe and unavoidable impurities, the sintered density ratio is 95% or more, average Fe-Co-based sintered magnetic material, characterized in that the grain size is 50㎛ or more. CO : 20-50무게 %, Cr : 0.5-3.5 무게%, O : 0.04무게%이하, C : 0.02무게 %이하를 함유하고 나머지가 Fe 및 불가피적 불순물로 이뤄지며, 소결밀도비가 95%이상, 평균결정립경이 50㎛이상인 것을 특징으로 하는 Fe-Co계 소결자성재료.CO: 20-50% by weight, Cr: 0.5-3.5% by weight, O: 0.04% by weight or less, C: 0.02% by weight or less, the remainder is composed of Fe and unavoidable impurities, and the sintered density ratio is 95% or more, average Fe-Co-based sintered magnetic material, characterized in that the grain size is 50㎛ or more. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900700182A 1988-05-30 1989-05-30 Sintered fe-co type magnetic materials KR930006442B1 (en)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
JP13008888 1988-05-30
JP130088 1988-05-30
JP63-130088 1988-05-30
JP20670788 1988-08-20
JP206707 1988-08-20
JP20671088 1988-08-20
JP63-206710 1988-08-20
JP63-206707 1988-08-20
JP206710 1988-08-20
PCT/JP1989/000537 WO1989012112A1 (en) 1988-05-30 1989-05-30 SINTERED MAGNETIC Fe-Co MATERIAL AND PROCESS FOR ITS PRODUCTION

Publications (2)

Publication Number Publication Date
KR900702064A true KR900702064A (en) 1990-12-05
KR930006442B1 KR930006442B1 (en) 1993-07-16

Family

ID=67538631

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900700182A KR930006442B1 (en) 1988-05-30 1989-05-30 Sintered fe-co type magnetic materials

Country Status (1)

Country Link
KR (1) KR930006442B1 (en)

Also Published As

Publication number Publication date
KR930006442B1 (en) 1993-07-16

Similar Documents

Publication Publication Date Title
KR900002875A (en) Sintered body and manufacturing method thereof
JP2588272B2 (en) Method for producing Fe-Co based sintered magnetic material
KR890017373A (en) Surface-coated small-alloy, its manufacturing method, and coated surface-coated small-alloy coated with a hard film on the alloy
CN114334423A (en) Iron-based nitride soft magnetic material and preparation method thereof
US3161949A (en) Refractory metal base alloys and method of making same
KR900702064A (en) Fe-Co-based sintered magnetic material and its manufacturing method
KR860001206A (en) Copper-Nickel-Tin-Cobalt Spinoidal Alloy
Niu et al. The sulfidation of Fe Nb alloys at 600–800° C under 10− 8 atm S2
US4336065A (en) Method for the manufacture of a composite material by powder metallurgy
GB2127040A (en) Internal oxidation of ag alloys
EP1965940B1 (en) Enhancement of thermal stability of porous bodies comprised of stainless steel or an alloy
JP2743090B2 (en) How to control the carbon content of metal injection products
US4069043A (en) Wear-resistant shaped magnetic article and process for making the same
JPS6457513A (en) Superconducting wire and its manufacture
CA2133642A1 (en) Process for Producing Single Phase Magnetite Powder
JPH0354161B2 (en)
EP0261054B1 (en) Method for producing self-supporting ceramic bodies with refined microstructures
JPS586953A (en) High permeability fe-ni alloy
JPH0320001A (en) Rare earth element-b-fe system sintered magnet superior in corrosion resistance and magnetic characteristic
JPH01275724A (en) Manufacture of dispersion strengthened heat-resistant alloy
US3216870A (en) Stabilized precipitation hardening alloys and method of making
Enoch et al. High magnetic permeability in a Ni-Fe-Cu-Mo alloy made by powder metallurgy
JPH01208813A (en) Manufacture of rare earth magnet
JPH05214497A (en) High performance low carbon ferrous sintered material and its manufacture
JPH0270004A (en) Method for degreasing injection molded body

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application
J2X1 Appeal (before the patent court)

Free format text: APPEAL AGAINST DECISION TO DECLINE REFUSAL

G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20060711

Year of fee payment: 14

LAPS Lapse due to unpaid annual fee