Iron-nickel alloy okeene ni alternating aaye oofa lilo, o kun fun irin ajaga, yii, Kekere Power Ayirapada ati Magnetically idabobo.
Idabobo oofa oofa Permalloy lati ṣe: Lati ṣe idiwọ kikọlu ti aaye oofa ita, nigbagbogbo ni CRT, apakan idojukọ CRT elekitironi ita ita pẹlu apata oofa, o le ṣe ipa ti aabo oofa.
Kemikali tiwqn
tiwqn | C | P | S | Mn | Si |
≤ | |||||
Akoonu(%) | 0.03 | 0.02 | 0.02 | 0.3 ~ 0.6 | 0.15 ~ 0.3 |
tiwqn | Ni | Cr | Mo | Cu | Fe |
Akoonu(%) | 79.0 ~ 81.0 | - | 4.8 ~ 5.2 | ≤0.2 | Bal |
Eto itọju igbona
ami itaja | Annealing alabọde | alapapo otutu | Jeki awọn iwọn otutu akoko / h | Oṣuwọn itutu agbaiye |
1j85 | hydrogen gbigbẹ tabi igbale, titẹ ko tobi ju 0.1 Pa | Pẹlú pẹlu alapapo ileru soke 1100 ~ 1150ºC | 3~6 | Ni 100 ~ 200 ºC / h iyara itutu si 600 ºC, yara si 300 ºC fa idiyele kan |