Zirconium silicide, ZrSi2

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Zirconium silicide, ZrSi2

zirconium disilicate imagwiritsidwa ntchito kwambiri pazitsulo zopangira zitsulo, zokutira zotentha zotsekemera, zotenthetsera zida, malo othamangitsira ndi zina


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Njira yamagulu  7rsi2
Nambala ya CAS  12039-90-6
Kufotokozera  imvi ufa
Kusungunuka 1620 C.
Chinsinsi  4,88 g / cm3
Kugwiritsa ntchito  zirconium disilicate imagwiritsidwa ntchito kwambiri pazitsulo zopangira zitsulo, zotenthetsera kutentha kwambiri

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Zirconium silicide
Kulemera kwa maselo: 147.39
EINECS: 234-911-1
CAS: 12039-90-6
Khalidwe: imvi lalikulu crystalline ufa
Kuchulukitsitsa (g / ml, 25 ℃): 4.88
Malo osungunuka (OC): 1620
Zoyeserera zakanthawi: a = 0.372nm, B = 1.476nm, C = 0.367nm.
Kuchepetsa mphamvu (kg / mm2): 1063
Kutentha kwamapangidwe (kJ / mol): 62.8
Ntchito ndi ntchito: amagwiritsidwa ntchito ngati ufa wonyezimira wamafuta owoneka bwino, mbiya yopanga semiconductor film, kaboni ka ceramic brake pad ndi disc yanyema. Gawo lalikulu la zirconium disilicide ndi 10-15%. Kuphatikiza kachigawo kakang'ono ka zirconium disilicide mu ceramic matrix composites kumatha kuchepetsa kutentha kwa sintering kwa zinthuzo.
Phunzirani za kukhathamira ndi anisotropy wa zirconium silicide
Makina opangidwa ndi chitsulo ndi silicon ndi ma silicides achitsulo, omwe atha kugawidwa m'magulu awiri: 1. Zitsulo zosanjikiza zazitsulo zimayang'ana tebulo la IVB, VB, Silicides yazinthu zamagulu a VIB, monga titanium silicide, zirconium silicide, tantalum silicide , chitsulo cha tungsten, ndi zina zambiri, 2 chitsulo chamtengo wapatali komanso pafupi ndi miyala yamtengo wapatali yachitsulo, chandamale cha sililidi, silatinide ya platinamu, siloboti wa cobalt, ndi zina zambiri. ndi maginito ndi Refractory chitsulo silide nthawi zambiri Imakhala ndi malo osungunuka kwambiri, kuuma ndi kuponderezana, mphamvu yayikulu pamatenthedwe, kachulukidwe kakang'ono, mphamvu yolimba komanso kutentha kwamakina.
Zomwe zimachitika pakati pazitsulo ndi silicon zimachepetsa ntchito yazitsulo.
Chifukwa chake, kusasunthika kwamankhwala a silicides ndikwabwino. Makina osungunuka achitsulo okhala ndi ma silicon okwera amakhala ndi kutu kwamphamvu ndi kukana makutidwe ndi okosijeni kutentha ndi kutentha Kwambiri Kuipa kwa mankhwala: ndi yopanda kutentha, kulimba pang'ono komanso kukana kutentha kwamphamvu kosakwanira. Mphamvu zakuthupi ndi zamankhwala zazitsulo zazitsulo zimawapatsa mwayi wogwiritsa ntchito zambiri. Choyambirira, ma silicides ngati zida zotentha kwambiri amakhala ndi chiyembekezo chogwiritsa ntchito ndege, malo owonera, makampani opanga mankhwala. Monga zotchinga zotetezera kutentha kwambiri, zida zamaginito, makina ophatikizika amagetsi ndi zinthu zina zogwira ntchito, ma silicides afufuzidwa ndikugwiritsidwa ntchito. Mwachitsanzo, fe2si adalamula aloyi ali ndi zinthu zabwino kwambiri zamagetsi, zomwe zimagwiritsidwa ntchito kwambiri pamawu amawu, makanema ndi maginito owerenga makadi; monga v2si, CoSi2, Mo2Si, chifukwa cha magwiridwe antchito abwino amagetsi, v2si ndiye gawo loyamba la A15 lopezekanso, kutentha kwake kovuta ndi 17.1k; MoSi2 imagwiritsidwa ntchito kwambiri ngati chowotcha cha ng'anjo yamagetsi yotentha kwambiri chifukwa cha magwiridwe ake abwino komanso kukana kwambiri kwa makutidwe ndi okosijeni Monga zotchinga zotentha kwambiri zosagwiritsidwa ntchito mu Azamlengalenga, chitsulo chosapanga dzimbiri chimagwira ntchito yofunika kwambiri pakupanga zida zamagetsi. Chifukwa kulimbikira kwa silicide ndikotsika poyerekeza ndi polysilicon, ndipo mawonekedwe apakati pa silicide ndi silicon gawo lapansi ndi mulingo woyenera wa atomiki wokhala ndi mawonekedwe abwino, wakhala akugwiritsidwa ntchito kwambiri ngati chotchinga cha Schottky ndi kulumikizana kwa zinthu mu mafakitale opanga ma microelectronic.


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