ʻO ke koʻokoʻo huila 4J28 heiron-nickel-cobalt (Fe-Ni-Co) hoʻomalu i ka hoʻonui ʻiai hoʻolālā kūikawā noke aniani-me-metala a me ka ceramic-to-metala silanā noi. Loaʻa iā ia kahi coefficient hoʻonui laina e pili pono ana i ke aniani paʻakikī a me nā seramika, e hōʻoia ana i ka hoʻopaʻa ʻana i ka hermetic sila.
Me ka ikaika mechanical paʻa, ka machinability maikaʻi loa, a me ka hana sila ʻana maikaʻi,4J28 kookoos ua hoʻohana nui ʻia maʻeke uila, nā mea hoʻoheheʻe, nā ʻāpana semiconductor, a me nā mea hana aerospace.
Fe-Ni-Co alloy me ka hoʻonui ʻana i ka wela
ʻO ka hana hoʻopaʻa sila maikaʻi me ke aniani a me nā seramika
ʻO ka ikaika mechanical paʻa i nā wela like ʻole
ʻO ka hana maʻalahi a me ka mālama ʻana i ka ʻili
ʻO ka hermeticity lōʻihi hilinaʻi
Loaʻa i nā koʻokoʻo, nā uwea, nā lau, a me nā ʻano hana i hoʻopili ʻia
Hoʻopaʻa hermetic aniani-a-metala
Nā mea hoʻopili uila
ʻO nā paipu māmā a me nā ʻōpuʻu kukui
Nā kumu hoʻokomo semiconductor
Aerospace a me nā mea pale
Nā hale sensor a me nā mea hānai