KOVAR Nikel Aloi
KOVAR ,4J29) em i wanpela ain-}nikel-}cobalt aloi bilong Kovar aloi seris. Bikos long thermal ekspansen koefisen bilong em klostu long dispela bilong hatpela glas (olsem borosiliket glas), em inap winim bikpela siling namel long glas na metal, na em i wanpela as samting long ol fil olsem ilektronik paket na vekim divais.
Kemikel Komposisen
|
|
Ni |
C |
Si |
Mn |
P |
S |
Cu |
Kr |
Mo |
Ko |
Fe |
|
Min |
28.5 |
- |
- |
- |
- |
- |
- |
19.5 |
- |
16.8 |
Rem |
|
Maks |
29.5 |
0.03 |
0.3 |
0.5 |
0.02 |
0.02 |
0.2 |
20.5 |
0.2 |
17.8 |
Rem |
Ol samting bilong lukautim ol samting
|
Mak bilong ol samting i pas pas wantim |
Melting Poin |
Minimum Mekanikal Properties bilong Aloy long Rum Tempereja |
||
|
Strong bilong Tensil |
Yield Strong |
Elongasen |
||
|
g/cm3 |
digri |
Rm N/mm2 |
Rp0.2N/mm2 |
A5% |
|
8.2 |
1450 |
520 |
330 |
30 |
Standet
ASTM B511 ASTM B512
Samting
4J29 (Fe-}Ni-Co glas siling aloi): Match thermal ekspansen bilong hatpela glas ({{6}80~450 digri ) bilong hermetic siling; hai Curie poin & low-tem stebiliti
Ol aplikesen
Glas-long-peit siling bilong ol vekim tiub, ol semikondakta, ol rilei
Hot Tag: kova nikel aloi, ol kova nikel aloi bilong Saina, ol saplaia, fektori .
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