NINAU

Ua hoʻomohala ʻia ʻo Beryllia ceramic (Beryllium Oxide, a i ʻole BeO) i ka makahiki 1950 ma ke ʻano he mea hana seramika o ka makahiki ākea, a hāʻawi ia i kahi hui kūʻokoʻa o nā waiwai ʻaʻole i loaʻa i nā mea seramika ʻē aʻe. Loaʻa iā ia kahi hui kūikawā o nā mea wela, dielectric, a me nā mea mechanical, no laila makemake nui ia no ka hoʻohana ʻana i nā noi uila. He mea kūikawā kēia mau hiʻohiʻona i kēia mea. He ʻoi aku ka ikaika o BeO ceramic, haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa haʻahaʻa, a lawe i ka wela ma mua o ka hapa nui o nā metala. Hāʻawi ia i ka conductivity wela nui a me kahi mau dielectric haʻahaʻa i hoʻohui ʻia i nā waiwai kino a me dielectric maikaʻi o Alumina.


He mea kūpono ia no nā noi e koi ana i ka wela wela a me ka dielectric a me ka ikaika mechanical ma muli o kāna conductivity thermal maikaʻi loa. Ua kūpono loa ia no ka hoʻohana ʻana ma ke ʻano he laser diode a me ka wela semiconductor, a me he mea hoʻololi wela wikiwiki no ka kaapuni liʻiliʻi a paʻa paʻa i nā hui uila.


Nā Papa maʻamau

99% (ka wela wela 260 W/m·K)

99.5% (ka wela wela 285 W/m·K)


ʻAno maʻamau

Kiʻekiʻe loa kiʻekiʻe thermal conductivity

Kiekie hehee

Ka ikaika kiʻekiʻe

ʻO ka hoʻopololei uila maikaʻi loa

Paʻa kemika maikaʻi a me ka wela

Haʻahaʻa dielectric mau

ʻAha haʻahaʻa poho dielectric tangent


Nā noi maʻamau

Nā kaapuni hoʻohui

Mea uila mana kiʻekiʻe

ʻO ke kīʻaha metallurgical

Puʻu pale Thermocouple


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