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Kovar/UNS K94610

ʻO ka wehewehe pōkole:

Kovar (UNS K94610), he nickel-iron-cobalt alloy i loaʻa ma kahi o 29% nickel a me 17% cobalt. ʻO kāna mau hiʻohiʻona hoʻonui wela e like me nā aniani borosilicate a me nā alumina type ceramics. Hana ʻia ʻo ia ma kahi ʻano kemika kokoke, e hāʻawi ana i nā waiwai e hiki ke kūpono i nā sila aniani-a-metala i nā noi hana nui, a i ʻole ka hilinaʻi nui loa. Hoʻoponopono ʻia nā waiwai magnetic o Kovar e kona haku ʻana a me ka hoʻohana ʻana i ka wela.


Huahana Huahana

Huahana Huahana

Hoʻohui Kimia

Alloy

ʻeleʻele

C

Si

Mn

S

P

Ni

Fe

Co

Mo

Kovar

Min

 

 

 

 

 

28.5

 

16.8

 

Max

0.03

0.3

0.5

0.02

0.02

29.5

kaulike

17.8

0.2

Hoʻonui wela

Kūlana Aolly

Mean Linear Coefficient(10-6/°C)

20~200

20~300

20~400

20~500

20~600

i hoʻopili ʻia

5.9

5.3

5.1

6.2

7.8

Na Waiwai Kino

ʻO ka mānoanoag/cm3

Lae hehee

8.16

1450

Kūlana

Rod, Bar, Uea, a me ka Lapa- ASTM F15

Papa, Pepa a me ka Papa -SAE AMS 7728


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