ʻO China Low Expansion Alloy Kovar 4j29 Wire, 29HK Wire no ka Glass Sealing Alloy Manufacturing a Factory |TANKII

Haʻahaʻa Expansion Alloy Kovar 4j29 Uea, 29HK Uea no Glass Sealing Alloy Featured Image

Uea Hoʻonui Haʻahaʻa Kovar 4j29 Uea, Uea 29HK no ka Alloy Sealing Glass

ʻO ka wehewehe pōkole:

Alloy-4J29 (Hoʻonui i ka huila)
(Inoa maʻamau: Kovar, Nilo K, KV-1, Dilver Po, Vacon 12)
ʻO Alloy-4J29 i kapa ʻia ʻo Kovar alloy.ua hana ʻia e hoʻokō i ka pono o ka sila aniani-a-metala hilinaʻi, i koi ʻia i loko o nā mea uila e like me nā ʻōpuʻu kukui, nā ʻūhā ʻūhā, nā ʻūhā cathode ray, a me nā ʻōnaehana hoʻoheheʻe i ka kemika a me nā noiʻi ʻepekema ʻē aʻe.ʻAʻole hiki i ka hapa nui o nā metala ke hoʻopaʻa i ke aniani no ka mea ʻaʻole like ko lākou coefficient o ka hoʻonui wela me ke aniani, no laila e maʻalili ka hui ma hope o ka hana ʻana i nā koʻikoʻi ma muli o ka nui o ka hoʻonui ʻokoʻa o ke aniani a me ke metala ke kumu e haki ai ka hui.

KULA NO.:Kovar

OEM:ʻAe

Mokuʻāina:Māmā 1/2paʻakikī paʻakikī T-paʻakikī

HS Code:74099000

kumu:Kina

E hoʻouna i ka leka uila iā mākou

Huahana Huahana

FAQ

Huahana Huahana

ʻAʻole wale ʻo Alloy-4J29 wale nō ka hoʻonui ʻana i ka wela e like me ke aniani, akā hiki ke hana pinepine ʻia kona ʻāpana hoʻonui wela nonlinear e like me ke aniani, no laila e ʻae ai ka hui e ʻae i kahi ākea ākea.ʻO ke kemika, hoʻopaʻa ʻo ia i ke aniani ma o ka ʻāpana oxide waena o ka nickel oxide a me ka cobalt oxide;haʻahaʻa ka hapa o ka hao hao ma muli o kona emi ʻana me ka cobalt.ʻO ka ikaika o ka paʻa e hilinaʻi nui ʻia i ka mānoanoa a me ke ʻano o ka papa oxide.ʻO ka loaʻa ʻana o ka cobalt e maʻalahi ka hoʻoheheʻe ʻana a me ka hoʻoheheʻe ʻana i ka papa o ka oxide i loko o ke aniani hoʻoheheʻe.ʻO kahi hina hina, hina-uliuli a hina hina paha e hōʻike ana i kahi sila maikaʻi.Hōʻike ka waihoʻoluʻu metala i ka nele o ka oxide, ʻoiai ke kala ʻeleʻele e hōʻike ana i ka metala oxidized loa, ma nā hihia ʻelua e alakaʻi i kahi hui nāwaliwali.

Noi:Hoʻohana nui ʻia i nā ʻāpana uila uila a me ka hoʻokuʻu ʻana i ka hoʻokuʻu ʻana, ka puʻupuʻu haʻalulu, ka pahu igniting, ka magnetron aniani, nā transistors, ka plug seal, relay, nā alakaʻi i hoʻohui ʻia, chassis, brackets a me nā mea hoʻopaʻa hale ʻē aʻe.

haku mele maʻamau%

Ni	28.5~29.5	Fe	ʻO Bal.	Co	16.8~17.8	Si	≤0.3
Mo	≤0.2	Cu	≤0.2	Cr	≤0.2	Mn	≤0.5
C	≤0.03	P	≤0.02	S	≤0.02

Ikaika U'i, MPa

Code o ke kūlana	Kūlana	Uea	Kaʻi
R	palupalu	≤585	≤570
1/4I	1/4 Paʻakikī	585~725	520~630
1/2I	1/2 Paʻakikī	655~795	590~700
3/4I	3/4 Paʻakikī	725~860	600~770
I	Paʻakikī	≥850	≥700

Nā waiwai kino maʻamau

ʻO ka mānoanoa (g/cm3)	8.2
Hiki ke pale i ka uila ma 20ºC(Ωmm2/m)	0.48
Ka mea wela o ka resistivity(20ºC~100ºC)X10-5/ºC	3.7~3.9
Lae Curie Tc/ ºC	430
Elastic Modulus, E/ Gpa	138

Coefficient o ka hoonui

θ/ºC	α1/10-6ºC-1	θ/ºC	α1/10-6ºC-1
20~60	7.8	20~500	6.2
20~100	6.4	20~550	7.1
20~200	5.9	20~600	7.8
20~300	5.3	20~700	9.2
20~400	5.1	20~800	10.2
20~450	5.3	20~900	11.4

ʻO ke kau wela wela

θ/ºC	100	200	300	400	500
λ/ W/(m*ºC)	20.6	21.5	22.7	23.7	25.4

ʻO ke kaʻina hana wela
Hoʻopiʻi no ka hoʻomaha pilikia	Hoʻomoʻa ʻia i 470~540ºC a paʻa 1~2 hola.Ke anu
annealing	I loko o ka vacuum wela i 750~900ºC
Ka manawa paʻa	14 min~1h.
Laki hooluolu	ʻAʻole i ʻoi aku ma mua o 10 ºC/min i hoʻomaha ʻia i 200 ºC