4J29 ndodo ya alloy, yomwe imadziwikanso kutiKovar ndodo,ndi aFe-Ni-Co controlled expansion alloyndi coefficient yowonjezera kutentha yofanana kwambiri ndi magalasi olimba ndi zoumba. Zimapereka zabwino kwambirigalasi-to-zitsulo ndi ceramic-to-zitsulo kusindikiza katundu, kuonetsetsa kuti ali odalirika.
Ndi magwiridwe antchito okhazikika, makina abwino, komanso kudalirika kosindikiza,4j29 ndodos amagwiritsidwa ntchito kwambiri muzoikamo zamagetsi, vacuum zida, zoyambira semiconductor, masensa, ndi zipangizo zamlengalenga.
Fe-Ni-Co controlled expansion alloy
Kukula kwamafuta kumafanana ndi magalasi olimba ndi zoumba
Kuchita bwino kwambiri kwa hermetic kusindikiza
Khola makina mphamvu pa kutentha osiyana
High machinability ndi pamwamba kumaliza
Amapezeka mu ndodo, mawaya, mapepala, ndi mafomu makonda
Glass-to-metal hermetic sealing
Zolemba za semiconductor
Zida zamagetsi zamagetsi
Machubu a vacuum ndi mababu
Zida zamlengalenga ndi chitetezo
Masensa, ma relay, ndi ma feedthroughs