Kovar nikel a wɔde ayɛ aduru .
Kovar (4J29) yɛ dadeɛ-nickel-cobalt aduru a ɛyɛ Kovar alloy series no dea. Esiane ne ɔhyew ntrɛwmu nsusuwii a ɛbɛn ahwehwɛ a ɛyɛ den (te sɛ borosilicate glass) nti, ebetumi anya sealing a ɛkorɔn a mframa ntumi nkɔ mu wɔ ahwehwɛ ne dade ntam, na ɛyɛ ade titiriw a ɛwɔ mfuw te sɛ ɛlɛtrɔnik nneɛma a wɔde kyekyere nneɛma ne mfiri a wɔde yi nsu fi mu.
Nnuru a ɛwɔ mu .
|
|
Ni . |
C |
SI . |
Mn . |
P |
S |
cu . |
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 . |
Nneɛma a ɛwɔ mu .
|
Muduro |
Melting point . |
Mfiridwuma mu nneɛma a ɛba fam koraa a ɛwɔ aduru no mu wɔ dan mu hyew mu . |
||
|
Ahoɔden a ɛyɛ den sɛ ɛbɛtwetwe . |
Yield ahoɔden . |
Elongation . |
||
|
g/cm .3 |
anoɔden |
RM N/mm .2 |
RP .0.2N/mm .2 |
A5% |
|
8.2 |
1450 |
520 |
330 |
30 |
gyinapɛn ahorow .
ASTM B511 ASTM B512 na ɛwɔ hɔ.
Su
4J29 (Fe-NI-CO Glass Sealing Alloy): Ɛne ahwehwɛ a ɛyɛ den (-80 ~ 450℃) a wɔde hyɛ hermetic sealing no hyia; Ɔsoro curie point & low-temp stability .
Applications .
Ahwehwɛ-kɔ{1}}dadeɛ a wɔde hyɛ mu ma vacuum tubes, semiconductors, relays .
Tags a ɛyɛ hyew .: Kovar Nickel Alloy, China Kovar Nickel aduru a wɔde yɛ nneɛma, wɔn a wɔde nneɛma ma, Adwumayɛbea .
Send Inquiry .
