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To obtain the Pr-Fe-B ternary system magnets with higher (BH)max, the effect of composition ratio and various heat-treatment temperatures on the magnetic properties of Pr-Fe-B system rare-earth magnets were investigated.<br/> The magnets with v...
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RISS 인기검색어
https://www.riss.kr/link?id=A76075569
- 저자
- 발행기관
- 학술지명
- 권호사항
-
발행연도
1996
-
작성언어
Korean
-
KDC
428
-
등재정보
KCI등재,ESCI
-
자료형태
학술저널
- 발행기관 URL
-
수록면
305-309(5쪽)
- 제공처
- 소장기관
-
0
상세조회 -
0
다운로드
부가정보
다국어 초록 (Multilingual Abstract)
To obtain the Pr-Fe-B ternary system magnets with higher (BH)max, the effect of composition ratio and various heat-treatment temperatures on the magnetic properties of Pr-Fe-B system rare-earth magnets were investigated.<br/>
The magnets with various composition of Pr and Fe were heat-treated at 990 ℃, 625 ℃, 585 ℃, 550 ℃ after sintering.<br/>
Curie temperature is 310 ℃ and quantitative analysis by SEM, EDX shows that the Pr₂Fe₁₄B, Pr-rich phase consist of Pr~14 at.% and Fe~86 at.%, Pr~58 at.% and Fe~42 at.%, respectively, The coercivity is decreased after heat-treating at 990 ℃ and increased from 5.6 to 6.3 kOe at 625 ℃. The maximum energy product is decreased from 43.4 to 30.3 MGOe after the heat-treating at 990 ℃ but increased from 42.7 to 45.0 MGOe, about 5 %, by heat-treating at 625℃.
The magnets with various composition of Pr and Fe were heat-treated at 990 ℃, 625 ℃, 585 ℃, 550 ℃ after sintering.<br/>
Curie temperature is 310 ℃ and quantitative analysis by SEM, EDX shows that the Pr₂Fe₁₄B, Pr-rich phase consist of Pr~14 at.% and Fe~86 at.%, Pr~58 at.% and Fe~42 at.%, respectively, The coercivity is decreased after heat-treating at 990 ℃ and increased from 5.6 to 6.3 kOe at 625 ℃. The maximum energy product is decreased from 43.4 to 30.3 MGOe after the heat-treating at 990 ℃ but increased from 42.7 to 45.0 MGOe, about 5 %, by heat-treating at 625℃.
To obtain the Pr-Fe-B ternary system magnets with higher (BH)max, the effect of composition ratio and various heat-treatment temperatures on the magnetic properties of Pr-Fe-B system rare-earth magnets were investigated.<br/>
The magnets with various composition of Pr and Fe were heat-treated at 990 ℃, 625 ℃, 585 ℃, 550 ℃ after sintering.<br/>
Curie temperature is 310 ℃ and quantitative analysis by SEM, EDX shows that the Pr₂Fe₁₄B, Pr-rich phase consist of Pr~14 at.% and Fe~86 at.%, Pr~58 at.% and Fe~42 at.%, respectively, The coercivity is decreased after heat-treating at 990 ℃ and increased from 5.6 to 6.3 kOe at 625 ℃. The maximum energy product is decreased from 43.4 to 30.3 MGOe after the heat-treating at 990 ℃ but increased from 42.7 to 45.0 MGOe, about 5 %, by heat-treating at 625℃.
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