Iyo Recipe yeGraphite Silicon Carbide Crucibles: Kiyi yeKukwirisa-Kuita Metallurgy.

Munyika yesimbi uye zvinhu sainzi,the cruciblechinhu chakakosha chekunyungudusa nekukanda simbi. Pakati pemhando dzakasiyana-siyana dzemacrucibles, graphite silicon carbide (SiC) crucibles inomira pachena kune yavo yakasarudzika hunhu, senge yakakwira yekupisa conductivity, yakanakisa yekupisa kuvhundutsa kuramba, uye yakakwira makemikari kugadzikana. Muchinyorwa chino, isu tichaongorora mune resipi yemagraphite SiC crucibles uye tiongorore kuti kuumbwa kwavo kunobatsira sei mukuita kwavo kunoshamisa mukupisa-tembiricha maapplication.

The Basic Ingredients

Izvo zvakakosha zve graphite SiC crucibles ndeye flake graphite uye silicon carbide. Flake graphite, kazhinji inoumba 40% -50% yecrucible, inopa yakanakisa yekupisa conductivity uye lubricity, iyo inobatsira mukuburitsa nyore kwesimbi yakakandwa. Silicon carbide, inogadzira 20% -50% yecrucible, inokonzera crucible's high thermal shock resistance uye kugadzikana kwemakemikari pane yakakwirira tembiricha.

Zvimwe Zvikamu zveKunatsiridza Kuita

Kuti uwedzere kuvandudza kushanda kwepamusoro-tembiricha uye kugadzikana kwemakemikari ecrucible, zvimwe zvikamu zvinowedzerwa kune resipi:

1. Elemental silicon poda (4% -10%): Inosimudzira yakakwirira-yekushisa simba uye oxidation kuramba kweiyo crucible.
2. Boron carbide powder (1% -5%): Inowedzera kugadzikana kwemakemikari uye kuramba kune simbi dzinoparadza.
3. Clay (5% -15%): Inoshanda sebhainda uye inovandudza simba remagetsi uye kugadzikana kwekupisa kwe crucible.
4. Thermosetting binder (5% -10%): Inobatsira mukusunga zvikamu zvose pamwechete kuti zvigadzire chimiro chakabatana.

Iyo High-End Formula

Kune maapplication anoda kunyange yakakwira kuita, yakakwira-yekupedzisira graphite crucible formula inoshandiswa. Iyi fomula inosanganisira 98% graphite particles, 2% calcium oxide, 1% zirconium oxide, 1% boric acid, 1% sodium silicate, uye 1% aluminium silicate. Izvi zvinowedzera zvinongedzo zvinopa kusingaenzaniswi kupikisa kune tembiricha yakakwira uye hutsinye hwemakemikari nharaunda.

Manufacturing Process

Kugadzirira kwegraphite SiC crucibles kunosanganisira maitiro ane hunyanzvi. Pakutanga, flake graphite uye silicon carbide zvinosanganiswa zvakakwana. Zvadaro, elemental silicon poda, boron carbide poda, ivhu, uye thermosetting binder inowedzerwa kumusanganiswa. Musanganiswa unobva wadzvanywa kuita chimiro uchishandisa muchina unotonhora wekutsikisa. Pakupedzisira, ma crucibles akaumbwa anosiiwa muchoto chepamusoro-soro kuti awedzere simba ravo remagetsi uye kugadzikana kwekupisa.

Zvikumbiro uye Zvakanakira

Graphite SiC crucibles inoshandiswa zvakanyanya muindasitiri yesimbi yekunyungudusa nekukanda simbi sesimbi, simbi, mhangura, uye aluminium. Kupisa kwavo kwepamusoro kunochengetedza kupisa kwakafanana uye kunoderedza kushandiswa kwesimba. Iyo yakakwira yekupisa yekuvhundutsa kuramba inoderedza njodzi yekutsemuka panguva yekukurumidza kuchinja kwekushisa, nepo kugadzikana kwavo kwemakemikari kunovimbisa kuchena kwesimbi yakanyungudutswa.

Mukupedzisa, iyo resipi yegraphite silicon carbide crucibles inonyatso-tuned musanganiswa wezvigadzirwa zvinopa chiyero chekupisa conductivity, kupisa kutyisa kuramba, uye kugadzikana kwemakemikari. Kuumbwa uku kunoita kuti zvive zvakakosha mumunda wemetallurgy, kwavanoita basa rakakosha mukunyunguduka nekukandwa kwesimbi.

Nekunzwisisa zvikamu uye nzira yekugadzira yegraphite SiC crucibles, maindasitiri anogona kuita sarudzo dzine ruzivo rwekushandisa kwavo chaiko, kuve nechokwadi chekuita kwakaringana uye hupenyu hurefu hwemacrucibles avo. Sezvo tekinoroji ichifambira mberi, kumwe kukwidziridzwa mune resipi uye hunyanzvi hwekugadzira magirafu eSiC crucibles anotarisirwa, achigadzira nzira yekutonyanya kushanda uye inosimudzira simbi yesimbi.