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Measurement Methods (ÀÚ¼ºÃ¼ ÃøÁ¤ ¹æ¹ý) B-H curve, B-H loop, Hysteresis curve

±Û¾´ÀÌ : ´ëÇϱ³¿ª ³¯Â¥ : 2011-05-26 (¸ñ) 18:49 Á¶È¸ : 9332
mis_10_measurement_methods.pdf (500.6K), Down : 110, 2011-11-07 20:13:50

MEASUREMENT METHODS FOR MAGNETIC MATERIALS



ÀÚ¼º Àç·á ÃøÁ¤


ÀÚÈ­( magnetization M or Polarization J or Flux density B )
ÀÚ±âÀå ¼¼±â
( field strength H )

1.
°­ÀÚ¼ºÃ¼ ÃøÁ¤ ÆĶó¹ÌÅÍ


Á¦Ç° : Permagraph C-300


Permagraph L


±Ô°Ý : IEC 60404-5, ASTM A977/ A977M, DIN IEC 60404-5, DIN 50470, DIN EN 10332


IEC 61807TR, DIN IEC 61/190/CDV

* remance Br (
ÀÜ·ùÀÚ¼Ó ¹Ðµµ
)
* coercivity HcB (
º¸ÀÚ·Â
)
* intrinsic coercivity HcJ, iHc (
Áøº¸ÀÚ·Â
)
* energy product BHmax (
ÃÖ´ë¿¡³ÊÁöÀû)


1-1. ÃÊ°æÇÕ±Ý (Cemented Carbides) ÃøÁ¤ ÆĶó¹ÌÅÍ


Á¦Ç° : AMH-5800


±Ô°Ý : IEC 60404-14, ASTM B886, B887


* Coercivity HcJ


* Co or any other magnetic material in the alloy


* Magnetic polarization Jsat


* Weight-specific saturation


* magnetization ¥òsat


* Magnetic moment Msat


2.
¿¬ÀÚ¼ºÃ¼ ÃøÁ¤ ÆĶó¹ÌÅÍ


Á¦Ç° : DC B-H curve- REMAGRAPH C-500 (¸µ, ¿øÇü¹Ù, »ç°¢¹Ù, ½ºÆ®¸³ ¹Ù)

REMAGRAPH C-530 (¸µ)


±Ô°Ý : IEC 60404-4, DIN EN 60404-4, ASTM A773

Á¦Ç° :  AC B-H curve- REMACOMP C-100 (10Hz~500kHz)

         REMACOMP C-200 (10Hz~ 10kHz)


                     REMACOMP C-1200 (10Hz~20kHz) with Epstein frame


±Ô°Ý : IEC 60404-2, ASTM  A343/A343M, ASTM A889/A889M


      IEC 60404-10, DIN EN 10252, ASTM A348/ A358M


Á¦Ç° : DC/AC B-H curve – AMH-1K-S (DC to AC~ 1kHz)


                        AMH-50K-s (DC to AC~50kHz)


                        AMH-200K-S (DC to AC~200kHz)


                        AMH-1M-S (DC to AC~1MHz)


»ùÇà ¸ð¾ç : Rings, Strips

±Ô°Ý : IEC 60404-4, IEC 60404-2, IEC 60404-6, ASTM A773

        IEC 60404-2, ASTM A343, A348, A804


* permeability µ (
ÅõÀÚÀ²
)
* saturation values Jsat , Bsat (
Æ÷È­Àڼӹеµ
)
* coercivity (
º¸ÀÚ·Â
)
* remanence (
ÀÜ·ùÀÚ¼Ó ¹Ðµµ
)
* hysteresis loss (
È÷½ºÅ׸®½Ã½º ¼Õ½Ç
)
* AC applications ( AC
ÃøÁ¤_Àü±â°­ÆÇ)


2-1. ¿¬ÀÚ¼ºÃ¼ ÃøÁ¤ ÆĶó¹ÌÅÍ

       º¸ÀÚ·Â ½ÃÇè±â (ºÒ±ÔÄ¢ÇÑ »ùÇÃ)

      Á¦Ç° : CR/03 Coercimeter

      ±Ô°Ý : IEC 60404-7

    * Coercivity Hc and Has


3. ºñÀÚ¼ºÃ¼ ÃøÁ¤ ÆĶó¹ÌÅÍ Feebly Magnetic Materials

Á¦Ç° : PFMM

±Ô°Ý : ASTM A342. ASTM A342M


* J vs. H curve, permeability ¥ìr, susceptibility ¥ö





 

 


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