izindaba

I-Wollastonite powder, into yamaminerali engaphili esebenza kahle kakhulu, ithole ukuvelela okwandayo emikhakheni yokukhiqiza yomhlaba wonke ngenxa yezakhiwo zayo eziyingqayizivele zomzimba nezamakhemikhali. Ithathwe ku-calcium metasilicate yemvelo (CaSiO2)) amatshe ayigugu, lesi sithako sokugcwalisa nokuqinisa esisebenziseka kalula sinikeza inani eliyingqayizivele ezintweni zobumba, amapulasitiki, izembozo, ukwakhiwa, kanye nezinhlelo zokusebenza zezimoto.

硅灰石粉

Ngokwesakhiwo, i-wollastonite iyiminerali ye-chain silicate eyingxenye yeqembu le-pyroxenoid, ekhiqiza amakristalu ohlelweni lwe-triclinic. Isici sayo esivelele kakhulu isimo sayo sezinhlayiya ezifana nenaliti/ne-fibrous, enezilinganiso zesici ezivame ukusuka ku-8:1 kuya ku-30:1, kanye namazinga aphezulu afinyelela ku-50:1. Lesi sakhiwo se-acicular sakhiwa ngamaketanga angenamkhawulo e-[SiO2].i-tetrahedra exhunywe ngama-ion e-calcium. I-mineral ibonakala imhlophe noma imhlophe, nobunzima be-Mohs obungu-4.55.5, ukuminyana okungu-2.752.9 g/cm³, kanye nendawo yokuncibilika ngo-1540°C. Inikeza ukuzinza okuhle kakhulu kwamakhemikhali, ukumuncwa okuphansi kwamafutha, ukugcinwa komswakama okuphansi, ukwanda okuncane kokushisa, kanye nokuba mhlophe okuphezulu.

Ezisetshenziswa ezimbonini, isakhiwo esifana nenaliti se-wollastonite sinikeza imiphumela emangalisayo yokuqinisa. Ku-ceramics, kunciphisa amazinga okushisa okushisa ngo-50100°I-C, ifinyeza imijikelezo yokudubula, ithuthukisa amandla, ivimbele ukuqhekeka, futhi ithuthukisa ubushelevu be-glaze. Kumapulasitiki nerabha, ikhulisa kakhulu amandla okubamba, ukuqina, kanye nokuqina kobukhulu ngenkathi yehlisa izindleko zezinto. Imboni yokumboza iyisebenzisela ukuthuthukisa ukuqina, ukumelana nokugqwala, kanye nokumbozwa, inciphisa ukuthembela ku-titanium dioxide.

Isebenza njengesithasiselo se-asbestos esinobungani nemvelo emikhiqizweni yokungqubuzana (ama-brake pad, ama-clutch facings) nezinto ezingashi. Ekwakhiweni, ithuthukisa amandla ekhonkrithi kanye nokumelana nomlilo ngenkathi yehlisa ukukhishwa kwekhabhoni. Imboni yephepha iyazuza ekhonweni layo lokukhulisa ukungabonakali, ukushelela, kanye nokunyatheliswa. Iphinde isetshenziswe ekusetshenzisweni kwensimbi njenge-slag evikelayo kanye nakwezolimo njengesilungisi se-pH yenhlabathi.

Njengoba abakhiqizi bephishekela izinto ezihlala isikhathi eside nezisebenza kahle, i-wollastonite powder iyaqhubeka nokwandisa ukuba khona kwayo emakethe. Izinzuzo zayo eziyingqayizivele zesakhiwo ziyibeka njengeminerali esebenzayo ebaluleke kakhulu ekuthuthukisweni kwezimboni zanamuhla.


Isikhathi sokuthunyelwe: Ephreli-07-2026