비정질 연자성재료의 응용

목차

1. INTRODUCTION

2. AMORPHOUS MAGNETIC MATERIALS

3. APPLICATIONS

3.1 Power distribution transformations

3.2. 400 Hz transformers

3.3. Switch-mode power supplies

3.4. Saturating applications

3.5. Flexible magnetic shielding

3.6. Sensors

4. Conclusions

5. References

본문내용

shebani, IEEE Trans. Magn. 27(1991)5250
(42) T. Meydan, J.Magn. Magn. Mater. 133(1994)525
(43) AkihikoSaito, Kazumass Kuwata, Kenichi Yamamoto, J. Magn. Magn. Mater. 133(1994)627
(44) K.Harada, I.Sasada, T.Kawajiri and M.Inoue, IEEE Trans. Magn. 18(6) (1982)1767
(45) I.Sasada, A.Hiroike and K.Harada, IEEE Trans. Magn.,20(5)(1984)951.
(46) H.Hase, R. Shoji, and M.Wakamiya, Mater. Sci. Engin. A181/A182(1994) 1378
(47) F.Hirose, M.Takagi, H.Mori and T.Imura, Jan. J.Appl. Phys., 31(1992)3940
(48) F.Hirose, M. Takagi, Mater. Sci. Engin. A181/A182 (1994) 1359-1362
(49) D.Son, S.J.Lim, and C.S.Kim, IEEE Trans. on Magn. 28(5) (1992)2205
(50) K.Mohri, T.Jinnouchi and K.Kawano, IEEE Trans. Magn. 23(1987) 2212
(51) T.Klinger, F.Schmollebeck, H. Pfutzner and Pschonhutzner, IEEE Trans. Magn. 28(1992)2397
(52) T.Klinger, H.Pfuzner, P.Schonhuber, K.Hoffmann and N.Bachl, IEEE Trans. Magn. 28(1992)2400
(53) H.Nakesch, H.Pfutzner, J. Magn. Magn. Mater. 133 (1994) 634
(54) Hidetoshi Matsuki, Toshiaki Yanada, Mater. Sci. Engin., A181/A182(1994) 1366
(55) R.C.O.Handley, Mater. Sci. Eng., B3(1989)365 Y. Makino, Proc. Conf. Rapidly Quenched Metals, RQ5 (North Holland, 1985) p31
Fig. 1. Planar flow casting process of amorphous alloys (taken from [2]. The arrows indicate the direction of the material flow which is identical to the direction of chill wheel rotation).
Fig. 2. B-H loops for M-4 grade silicon iron and amorphous Fe78B13Si9 alloy (taken from [2]).
Fig. 3. Core loss (L) and exciting power (PE) for a conventional silicon iron, a rapidly solidified high Si containing Fe alloy and an amorphous alloy (taken from [2]).
Fig. 4. Output power Po of 400 Hz transformers as a function of B for toroidal strip wound cores (taken from [13]).
Fig. 5. Comparison of high frequency core losses of metallic glasses, NiFe, and ferrites.
Fig. 6. Schematic representation of non-contact position sensor. Transducer primary element on amorphous toroidal core with two sets of windings (not shown) to energise and to detect the output voltage(taken from [36]).
Fig. 7. Schematic diagram of the speed sensor (taken from [39]).
Table 1. Magnetic properties of metallic glasses
Alloys
Bs(T)
Tc(oC)
μmax(G/Oe x 103)
Hc(Oe)
ρ(μΩ㎝)
Metglas2605Co
(Fe67Co18B14Si1)
1.75
415
200
0.08
130
Metglas2605SC
(Fe81B13.5Si3.5C2)
1.57
415
300
0.08
125
Metgla2826
(Fe40Ni40P14B6)
0.75
250
800-1000
0.063-0.075
180
Vitrovac4040
(Fe39Ni39Mo4Si6B12)
0.75
270
200(R loop)
500(Z loop)
0.02-0.06
0.001
135
Vitrovac6010
(Co58Ni10Fe5Si11B16)
0.55
270
400(R loop)
900(Z loop)
0.005-0.0063
0.005
130
M-4(Fe-3%Si)
2.03
735
12
0.09
46
H-2(Fe-3%Si)
2.03
735
30
0.09
46
Table 2 . Magnetic applications of metallic glasses
50/60 Hz power distribution transformers
400 Hz transformers
Motors
10-250 kHz transformers for switched-mode power supplies
Chokes
Magnetic amplifiers, phase shifters, modulators
various sensors
Earth leakage breakers
Security systems
Magnetic heads (audio, video, data)
Wrapped and woven magnetic shielding

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