I-iron nickel alloy ifunyanwa kuluhlu oluthile lobushushu ngokulungelelanisa umxholo wamandla angaphakathi e-nickel kunye ne-expansion coefficient yeglasi ethambileyo eyahlukeneyo kunye ne-ceramic ehambelana nothotho lwe-expansion alloy, i-expansion coefficient yayo kunye nobushushu beCurie buyanda ngokunyuka komxholo we-nickel. I-assembly isetyenziswa kakhulu kushishino lwe-vacuum yombane kunye nesakhiwo sokutywina sezinto.
Ukwakheka kweekhemikhali kwi-%, Invar
| uphawu | Ukwakheka kweekhemikhali | ||||||||
| Ni | Fe | C | P | Si | Co | Mn | Al | S | |
| ≤ | |||||||||
| 4j42 | 41.5~42.5 | I-Bal | 0.05 | 0.02 | 0.3 | - | 0.80 | 0.10 | 0.02 |
| 4j45 | 44.5~45.5 | I-Bal | 0.05 | 0.02 | 0.3 | - | 0.80 | 0.10 | 0.02 |
| 4j50 | 49.5~50.5 | I-Bal | 0.05 | 0.02 | 0.3 | 1.0 | 0.80 | 0.10 | 0.02 |
| 4j52 | 51.5~52.5 | I-Bal | 0.05 | 0.02 | 0.3 | - | 0.60 | - | 0.02 |
| 4j54 | 53.5~54.5 | I-Bal | 0.05 | 0.02 | 0.3 | - | 0.60 | - | 0.02 |
Izinto ezisisiseko zomzimba kunye neempawu zoomatshini ze-alloy:
| uphawu | Ukuqhuba kobushushu | Umthamo othile wobushushu | Uxinano | Ukumelana nombane | Inqaku leCurie |
| 4j52 | 16.7 | 502J | 8.25 | 0.43 | 520 |
| Uhlobo oluqhelekileyo lokwandiswa (10 -6 / ºC) | ||||||||
| Uluhlu lobushushu | 20~100 | 20~200 | 20~300 | 20~350 | 20~400 | 20~450 | 20~500 | 20~600 |
| I-coefficient yokwandisa | 10.3 | 10.4 | 10.2 | 10.3 | 10.3 | 10.3 | 10.8 | 11.2 |
I-alloy ye-4 j52 isetyenziselwa ikakhulu ukutywina iglasi ye-lead ethambileyo, ii-fuse ezincinci zeetyhubhu.
150 0000 2421