KOVAR Nickel Alloy
KOVAR (4J29) baƙin ƙarfe ne -nickel{3}}cobalt gami na jerin abubuwan gami na Kovar. Saboda madaidaicin faɗaɗawar thermal ɗinsa kusa da na gilashi mai ƙarfi (kamar gilashin borosilicate), yana iya cimma babban rufewar iska tsakanin gilashin da ƙarfe, kuma abu ne mai mahimmanci a cikin fagage kamar marufi na lantarki da na'urori masu lalata.
Haɗin Sinadari
|
|
Ni |
C |
Si |
Mn |
P |
S |
Ku |
Cr |
Mo |
Co |
Fe |
|
Min |
28.5 |
- |
- |
- |
- |
- |
- |
19.5 |
- |
16.8 |
Rem |
|
Max |
29.5 |
0.03 |
0.3 |
0.5 |
0.02 |
0.02 |
0.2 |
20.5 |
0.2 |
17.8 |
Rem |
Kayayyakin Kayayyaki
|
Yawan yawa |
Matsayin narkewa |
Mafi ƙarancin kayan aikin injina na Alloy a zazzabin ɗaki |
||
|
Ƙarfin Ƙarfin Ƙarfi |
Ƙarfin Haɓaka |
Tsawaitawa |
||
|
g/cm3 |
digiri |
Rm N/mm2 |
Rp0.2N/mm2 |
A5% |
|
8.2 |
1450 |
520 |
330 |
30 |
Matsayi
ASTM B511 ASTM B512
Siffar
4J29 (Fe -Ni-Co gilashin sealing gami): Matches thermal fadada na wuya gilashin ({6}}80 ~ 450 digiri ) don hermetic sealing; high Curie point & low- temp kwanciyar hankali
Aikace-aikace
Gilashi{0}zuwa{1}}arfe don rufe bututu, semiconductor, relays
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Aika Aikace-aikacen
