ʻO Mumetal / Permalloy 80 kahi mea hao nickel-molybdenum-iron alloy.me 80% nickel a me 15% hao a me 5% molybdenum maʻiʻo.He mea pono ia ma ke ʻano he kumu magnetic i nā lako uila a me nā lako uila.Hāʻawi ʻo Permalloy 80 i nā permeabilities kiʻekiʻe kiʻekiʻe me ka ikaika coercive haʻahaʻa, haʻahaʻa haʻahaʻa hysteresis nalowale, haʻahaʻa eddy-i kēia manawa, a me ka magnetostriction haʻahaʻa i koʻikoʻi no nā noi ʻoihana.
Nā noi:
• nā laminations transformer •Relay • Nā Poʻo Hoʻopaʻa ʻana • Nā ʻauamo hoʻopaʻa ʻana a me ka nānā ʻana.
|   Papa  |    UK  |    Kelemānia  |    USA  |    Lukia  |    Kūlana  |  
|   Mumetal (1J79)  |    Mumetal  |    /  |    Permalloy 80 HY-MU80  |    79HM  |    ASTM A753-78 GBn 198-1988  |  
MumetalHoʻohui Kimia
| Papa |   Ka Hui Kemika (%)  |  ||||||||
| C | P | S | Cu | Mn | Si | Ni | Mo | Fe | |
| Mumetal1J79 | ≤ | ||||||||
| 0.03 | 0.020 | 0.020 | 0.20 | 0.60~1.1 | 0.30-0.50 | 78.5~80.0 | 3.80~4.10 | Kaulike | |
Mumetal Waiwai Kino
|   Papa  |    Kū'ē (μΩ•m)  |    ʻO ka mānoanoa (g/cm3)  |    Lae Curie °C  |    ka hoʻopaʻa ʻana o ka magnetostriction mau (×10-2)  |    Ikaika U'i/MPa  |    Ikaika Yelid/MPa  |  ||
|   Mumetal 1J79  |    ʻAʻole i hoʻopili ʻia  |    Hana ʻia  |    ʻAʻole i hoʻopili ʻia  |    Hana ʻia  |  ||||
|   0.40  |    8.20  |    980  |    2  |    1030  |    560  |    980  |    150  |  |
Mumetal Avager Linear Expansion
|   Papa  |    Coefficient o ka Hoonui Linear i ka Mahana Okoa (x 10-6/K)  |  ||||||||
|   20~100℃  |    20~200℃  |    20~300℃  |    20~400℃  |    20~500℃  |    20~600℃  |    20~700℃  |    20~800℃  |    20~900℃  |  |
|   Mumetal 1J79  |    10.3-10.8  |    10.9~11.2  |    11.4~12.9  |    11.9~12.5  |    12.3~13.2  |    12.7~13.4  |    13.1~13.6  |    13.4~13.6  |    13.2~13.7  |  
Palena Mumetal Hiki
He kiʻekiʻe loa ka permeability a me ka ikaika coercive nominal i lilo ia i mea kūpono no nā hana pale.No ka hoʻokō ʻana i nā waiwai pale i makemake ʻia, ua hoʻopili ʻia ʻo HyMu 80 a hiki i 1900oF a i ʻole 1040oC ma hope o nā kaʻina hana.Hoʻonui ka Annealing i nā mahana kiʻekiʻe i ka permeability a me nā waiwai pale.