Zirconium silicide, ZrSi2

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Zirconium silicide, ZrSi2

Hoʻohana nui ʻia ka zirconium disilicate i nā keramika metala, nā pale pale kūpikipiki kiʻekiʻe mehana, nā pono hana wela kiʻekiʻe, aerospace a me nā kahua ʻē aʻe


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Kaulana Molecular  7rsi2
ʻO ka helu CAS  12039-90-6
Wehewehe  pauka hina
Lae Melting 1620.C
Mea huna  4.88 Bi / cm3
Palapala noi  Hoʻohana nui ʻia ka zirconium disilicate i nā keramika metala, nā pale oxidationresistant kiʻekiʻe o ka mahana, nā pono o ka hale hightemperature, aerospace a me nā kahua ʻē aʻe

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Zirconium silicide
Kaupaona Molecular: 147.39
EINECS : 234-911-1
CAS : 12039-90-6
Kaha: ka hina ʻāpana crystalline hina
Ka nui (g / ml, 25 ℃): 4.88
Kuhi hoʻoheʻe (OC): 1620
Nānā paʻa: a = 0.372nm, B = 1.476nm, C = 0.367nm.
Microhardness (kg / mm2): 1063
Ka wela o ka hoʻokumu (kJ / mol): 62.8
Ka hana a me ka noi: hoʻohana ʻia e like me ka pauka maka maka o nā keramika maikaʻi, ipu hoʻoheheʻe no ka hana ʻana i ke kiʻi semiconductor, pākuʻi kalapona kalapona a me ka pā hōkū. ʻO ka hapa nui o ka disircicide zirconium ʻo 10-15%. Hoʻohui i kēia hapa nui o ka zirconium disilicide i loko o ka ceramic matrix composite hiki ke hōʻemi nui i ka mahana o ka hewa o nā mea.
E aʻo ma ka uila a me ka anisotropy o ka zirconium silicide
ʻO nā mea hoʻohui i hana ʻia e ka metala a me ka silikone he silicides metala, a hiki ke hoʻokaʻawale ʻia i ʻelua mau ʻāpana: , tungsten silicide, a pēlā aku., 2 mea metala makamae a kokoke loa i ka silicide metala makamae, pahuhopu silicide, platinum silicide, cobalt silicide, a me nā mea ʻē aʻe i loko o kahi huaʻōlelo. a me ka magnet a me ka refractory metala silicide i ka hapanui o nā hihia He wahi hoʻoheheʻe kiʻekiʻe ia, ka paʻakikī a me ka ikaika compressive, ka ikaika nui o ke kolo ma ke anawela kiʻekiʻe, ke kaulike waena, ka ikaika paʻa a me nā pono mīkini mīkini maikaʻi.
ʻO ka hopena ma waena o ka hao a me ka silikone e hoʻoliʻiliʻi i ka hana o ka hao.
No laila, maikaʻi loa ke kūpaʻa kemika o nā silicides. ʻO nā silicide metala refractory me ka ʻike silicon kiʻekiʻe he kūpaʻa kūpale maikaʻi a me ke kūpale ʻana i ka hoʻowali ʻana i ka mahana wela a me ke kiʻekiʻe wela Nā maikaʻi ʻole o nā kemika: palupalu ia i ka mahana o ka lumi, ka paʻakikī haʻahaʻa a me ka lawa ʻole o ke kūpikipikiʻi waiwela. Hāʻawi ke kino a me nā waiwai kemika o nā silicides metala iā lākou i nā hoʻohana he nui. ʻO ka mea mua, nā silicides e like me nā mea kūkulu kiʻekiʻe o ka mahana i loaʻa nā kūlana noi maikaʻi i ka mokulele, mokulele mokulele, ʻoihana kemika. E like me ke kuʻina ʻoihana hoʻowali hoʻoweliweli kiʻekiʻe, nā mea magnet, hoʻohui kiʻi uila electrode a me nā pono hana ʻē aʻe, ua aʻo ākea a hoʻohana ʻia nā silicides. ʻO kahi laʻana, fe2si i kauoha ʻia i ka oka a me nā pono Mākēneki palupalu, hoʻohana nui ʻia i ka leo, wikiō a me nā mea poʻo poʻokela no ka mea heluhelu kāleka; e like me v2si, CoSi2, Mo2Si, no ka maikaʻi o kāna uila uila, ʻo v2si ka pae A15 superconductive mua i loaʻa, ʻo 17.1k ka mahana hoʻololi hoʻololi koʻikoʻi. Hoʻohana ākea ʻia ʻo MoSi2 ma ke ʻano he mea hoʻomehana o ka umu uila wela kiʻekiʻe ma muli o ka maikaʻi o ka conductivity a me ke kūpale ʻana i ka hoʻowaiwai maikaʻi E like me ka uhi ʻana o ka hoʻowali hoʻoweliweli mehana kiʻekiʻe i hoʻohana ʻia i ka aerospace, he mea nui loa ka silicide metal i ka hana ʻana i nā pono uila. Ma muli o ke kūpaʻa o ka silicide ma lalo o ka polysilicon, a ʻo ke kikowaena ma waena o ka silicide a me ka silicon substrate kahi pae maʻemaʻe o ka atomic me ka hoʻohālikelike maikaʻi, ua hoʻohana ākea ʻia ia e like me ka pale Schottky a me nā mea pili i ka hana microelectronic manufacturing.


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