Black corundum, inozivikanwawo seyakaderera alumina corundum, iri muchoto chearc, iyo bauxite inonyunguduka uye yakagadzirwa nemhando ye-α-Al2O3 uye iron spinel sechikamu chikuru cheminerari yegrey dema crystal, iyo inoratidzwa nezvakaderera Al2O3 zvemukati, uye imwe chiyero cheFe2O3 (10% kana zvakadaro), saka ine kuoma kuri pakati nepakati, kuomarara kwepamusoro, kushomeka kwekushisa kwepamusoro, kupisa mamiriro ekupisa maitiro.Inonyanya kushandiswa kukuya mahara, senge rough kugaya pamberi pezvigadzirwa zve electroplating, zvinonyanya kushandiswa simbi isina tsvina, zvigadzirwa zvesimbi, optical girazi, bamboo uye matanda zvigadzirwa kukwenenzverwa uye sandblasting, zvakare kugadzirwa kweresin kugaya vhiri, kucheka zvidimbu, emery jira novel abrasive. .
Nguva yekutumira: Kubvumbi-11-2023