Sintered silicon carbide chinhu chakakosha checeramic, chinoshandiswa zvakanyanya munzvimbo dzinopisa zvakanyanya, dzine kumanikidzwa kwakanyanya uye dzine simba rakawanda. Kugadzira sintering ye sic inhanho yakakosha pakugadzirira zvinhu zve SIC zvakapiswa. Kudzora kwakaringana kwe sintered silicon carbide reaction kunogona kutibatsira kudzora mamiriro e reactive uye kuvandudza mhando yechigadzirwa.
1. Kugadzirisa mamiriro e silicon carbide anokonzeresa reaction sintering
Mamiriro ekuita reaction ndiwo ma parameter akakosha ekuita reaction ye silicon carbide, kusanganisira tembiricha ye reaction, kumanikidzwa kwe reaction, reactant mass ratio uye nguva ye reaction. Pakugadzirisa mamiriro ekuita reaction, zvakakosha kugadzirisa zvinoenderana nezvinodiwa zvekushandisa uye maitiro ekuita reaction.
(1) Kupisa kwemhinduro: Kupisa kwemhinduro ndechimwe chezvinhu zvikuru zvinokanganisa kumhanya kwemhinduro uye kunaka kwechigadzirwa. Mukati mehuwandu hwakati, kupisa kwemhinduro kwakakwira, kukurumidza kwemhinduro uye kunaka kwechigadzirwa kwakakwira. Zvisinei, kupisa kwakanyanya kwemhinduro kuchaitawo kuti pave nemaburi nemheni muchigadzirwa, zvichikanganisa kunaka kwechigadzirwa.
(2) Kumanikidzwa kwemhinduro: Kumanikidzwa kwemhinduro kunewo simba pakumhanya kwemhinduro uye kuwanda kwechigadzirwa. Mukati mehuwandu hwakati, kumanikidzwa kwemhinduro kwakakwira, kukurumidza kwemhinduro uye kuwanda kwechigadzirwa kwakakwira. Zvisinei, kumanikidzwa kwemhinduro kwakanyanya kunogonawo kukonzera kuwedzera kwemaburi nemaburi muchigadzirwa.
(3) Chiyero cheReactant mass: Chiyero cheReactant mass chimwe chinhu chakakosha chinokanganisa kumhanya kwereaction uye mhando yechigadzirwa. Kana chiyero chemass checarbon nesilicon chakakodzera, chiyero chereaction uye mhando yechigadzirwa. Kana chiyero chereactant mass chisina kukodzera, chinokanganisa kumhanya kwereaction uye mhando yechigadzirwa.
(4) Nguva yekuita: Nguva yekuita chimwe chezvinhu zvinokanganisa kumhanya kwekuita uye kunaka kwechigadzirwa. Mukati menguva yakati, nguva yekuita inoreba, kumhanya kwekuita kunononoka uye kunaka kwechigadzirwa kunowedzera. Zvisinei, nguva yakareba yekuita inotungamirawo mukuwedzera kwemaburi nemaburi muchigadzirwa, zvichikanganisa kunaka kwechigadzirwa.
2. Kudzora maitiro ekugadzirisa silicon carbide
Mukuita kwekuita kwesilicon carbide yakapfava, zvakakosha kudzora maitiro ekuita. Chinangwa chekudzora ndechekuona kuti maitiro acho akagadzikana uye mhando yechigadzirwa inoenderana. Kudzora maitiro ekuita kunosanganisira kudzora tembiricha, kudzora kumanikidzwa, kudzora mhepo uye kutonga mhando ye reactant.
(1) Kudzora tembiricha: Kudzora tembiricha chimwe chezvinhu zvakakosha pakudzora maitiro ekuita. Kudzora tembiricha Tembiricha yekuita inofanira kudzorwa zvakanyatsonaka kuti ive nechokwadi chekuti maitiro ekuita akagadzikana uye mhando yechigadzirwa inoenderana. Mukugadzirwa kwemazuva ano, sisitimu yekudzora komputa inowanzo shandiswa kudzora tembiricha yekuita nemazvo.
(2) Kudzora kumanikidzwa: Kudzora kumanikidzwa chimwe chinhu chakakosha pakudzora maitiro ekuita. Nekudzora kumanikidzwa kwekuita, kugadzikana kwemaitiro ekuita uye kugara zvakanaka kwemhando yechigadzirwa kunogona kuvimbiswa. Mukugadzirwa kwemazuva ano, sisitimu yekudzora komputa inowanzo shandiswa kudzora kumanikidzwa kwekuita nemazvo.
(3) Kudzora mamiriro ekunze: Kudzora mamiriro ekunze kunoreva kushandiswa kwemhepo chaiyo (senge mhepo isina simba) mukuita kwekuita kuti pave nekudzora maitiro ekuita. Nekudzora mamiriro ekunze, zvinokwanisika kuve nechokwadi chekuti maitiro ekuita uye kugara zvakanaka kwemhando yechigadzirwa. Mukugadzirwa kwemazuva ano, mhepo inowanzo tungamirirwa necomputer control system.
(4) Kudzora hunhu hweReactant: Kudzora hunhu hweReactant chimwe chezvinhu zvakakosha kuti pave nechokwadi chekuti maitiro ereactant agadzikana uye kuti hunhu hwechigadzirwa hunoramba huripo. Nekudzora hunhu hwereactants, kugadzikana kwemaitiro ereactant uye kuti hunhu hwechigadzirwa hunogara huripo kunogona kuvimbiswa. Mukugadzirwa kwemazuva ano, sisitimu yekudzora komputa inowanzo shandiswa kudzora hunhu hwereactants.
Kudzora kwakakodzera kwe silicon carbide inogadzirwa ne reaction-sintered ndiyo nhanho huru yekugadzira zvinhu zve silicon carbide zvemhando yepamusoro. Nekugadzirisa mamiriro e reaction, kudzora maitiro e reaction uye kutarisa zvigadzirwa zve reaction, kugadzikana kwe reaction uye kuenderana kwemhando yechigadzirwa zvinogona kuve nechokwadi. Mukushandiswa kwakakodzera, sintered silicon carbide reaction inofanirwa kugadziriswa zvichienderana nemamiriro chaiwo ekushandisa kuti isangane nezvinodiwa zvakasiyana zvekushandisa.
Nguva yekutumira: Chikunguru-06-2023