Silicon Nitride Ceramic
Tsanangudzo Pfupi:
Zita rekugadzira: Silicon Nitride Ceramic
Chikumbiro: Aerospace, Nuclear, Petrochemical, Mechanical Engineering Indasitiri
zvinhu: Si3N4
Chimiro: Yakagadzirirwa
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Basic Info
Zita rekugadzira: Silicon Nitride Ceramic
Chikumbiro: Aerospace, Nuclear, Petrochemical, Mechanical Engineering Indasitiri
zvinhu: Si3N4
Chimiro: Yakagadzirirwa
Chigadzirwa tsananguro:
Silicon nitride ceramics ine mukana pamusoro pesimbi mune zvakawanda zvinhu. Iwo anoshandiswa zvakanyanya muminda yeaerospace, nyukireya, petrochemical, machira uye mechanic engineering maindasitiri.
Advantage:
·Yakanaka michina chivakwa
·Low bulk density
·Kusimba kukuru nekuoma
·Low friction coefficient
·Good lubricating function
·Kupokana nekuora kwesimbi
·Kuvharirwa kwemagetsi
Zvigadzirwa Show
Tsanangudzo:
Silicon nitride ceramics yakakwirira kune zvimwe zvinhu nekuda kwekupisa kwayo kutyisa kuramba. Iyo haina kushatisa pakupisa kwakanyanya, saka inoshandiswa kune mota injini uye zvikamu zvegasi turbines, kusanganisira turbocharger rotor.
Ortech inopa mhuri yakazara yeSilicon Nitride zvinhu. Zvishandiso izvi zvine anotevera akakosha maitiro: Hapana anonamira anopfeka achipikisa simbi, Kaviri yakaoma sesimbi yemidziyo, Yakanaka makemikari kuramba uye 60% huremu hushoma pane simbi.
Silicon nitrides (Si3N4) imhando yemhando yepamusoro engineering ceramics inoratidzwa nekusimba kwepamusoro, kuoma uye kuoma uye yakanakisa kemikari uye kugadzikana kwekupisa.
Silicon nitride yakawanikwa pakati pezana ramakore regumi nepfumbamwe asi haina kuzvikweretesa kurerutsira kugadzira, nekuda kwehunhu hwayo hwakabatana. Izvi pakutanga zvakatungamira mukugadzirwa kwemhando mbiri dzesilicon nitride, reaction-bonded silicon nitride (RBSN) uye inopisa yakadzvanywa silicon nitride (HPSN). Zvadaro, kubvira kuma1970 mamwe marudzi maviri akagadzirwa: sintered silicon nitride (SSN), iyo inosanganisira sialons, uye sintered reaction-bonded silicon nitride (SRBSN).
Ikozvino kufarira musilicon nitride yakavakirwa mainjiniya zvinhu zvakagadziridzwa kubva mukutsvagisa muma1980 kuita zvikamu zveceramic zvegasi turbine uye piston injini. Zvaifungidzirwa kuti injini, inogadzirwa zvakanyanya kubva kusilicon nitride yakavakirwa zvikamu, senge sialon, yaizoreruka huremu uye inokwanisa kushanda patembiricha yakakwira kupfuura mainjini echinyakare zvichikonzera kushanda kwepamusoro. Pakupedzisira zvakadaro, chinangwa ichi hachina kuzadziswa nekuda kwezvinhu zvakati wandei zvinosanganisira mutengo, kuomerwa mukugadzira zvakavimbika zvikamu uye brittle hunhu hwemakeramiki.
Nekudaro, basa iri rakatungamira mukuvandudzwa kwehuwandu hwemamwe maindasitiri ekushandisa kwesilicon nitride yakavakirwa zvinhu, senge mukugadzira simbi, kupfeka kwemaindasitiri uye kubata simbi yakanyungudutswa.
Mhando dzakasiyana dzesilicon nitride, RBSN, HPSN, SRBSN uye SSN, zvinokonzerwa nenzira yavo yekugadzira, iyo inotonga mhedzisiro yavo uye mashandisirwo.
