Mumetal / Permalloy 80 bụ ihe ndọta dị ukwuu nickel-molybdenum-iron alloy.nwere ihe dị ka 80% nickel na 15% ígwè na 5% molybdenum ọdịnaya.Ọ bara uru dị ka ihe ndọta n'ime ngwa eletriki na ngwa eletrọnịkị.Permalloy 80 na-enye ikike mmalite dị elu na nke kachasị na ike mmanye dị ala, ọnwụ hysteresis dị ala, mfu eddy dị ugbu a, yana magnetostriction dị ala nke dị oke mkpa maka ngwa ụlọ ọrụ.
Ngwa:
• Transformer laminations •Relay • Isi ndekọ • Ntugharị na ilekwasị anya yokes • Amplifiers • Igwe okwu • Shielding.
Ọkwa | UK | Germany | USA | Russia | Ọkọlọtọ |
Mumetal (1J79) | Mumetal | / | Permalloy 80 HY-MU80 | 79HM | ASTM A753-78 GBn 198-1988 |
MumetalNgwakọta kemịkalụ
Ọkwa | Ngwakọta kemịkalụ (%) | ||||||||
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 | Nhazi |
Mumetal Ngwongwo anụ ahụ
Ọkwa | Resistivity (μΩ•m) | Njupụta (g/cm3) | Ebe Curie °C | saturation magnetostriction mgbe niile (× 10-2) | Ike tensile/MPa | Ike Yelid/MPa | ||
Mumetal 1J79 | Akwụsịghị ya | Annealed | Akwụsịghị ya | Annealed | ||||
0.40 | 8.20 | 980 | 2 | 1030 | 560 | 980 | 150 |
Mumetal Avager Linear Mgbasawanye
Ọkwa | Ọnụọgụ nke Mgbasa Linear na Temperatul dị iche iche (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 |
Enwere ike ichebe ọta mumetal
Permalloy nwere ikike dị elu nke ukwuu na ike mmanye aha na-eme ka ọ bụrụ ihe dabara adaba maka ọrụ nchekwa.Iji nweta ihe mkpuchi ihe achọrọ, a na-ewepụ HyMu 80 ruo 1900oF ma ọ bụ 1040oC na-esote usoro nhazi.Mwepu na okpomọkụ dị elu na-eme ka ikike ikike na ihe nchebe dịkwuo elu.