Nkhani

Katundu: Wopangidwa kuchokera ku aluminiyamu oxide ufa ndi kutentha kwambiri kusungunuka mu ng'anjo yamagetsi yamagetsi. Makhalidwe: Zomwe zili mu Al203 nthawi zambiri zimakhala zokwera kuposa 98%, zolimba kwambiri kuposa zofiirira zofiirira komanso kulimba kocheperako kuposa bulauni ...

Kuchita kwa white corundum powder: White, hard and more brittle than brown corundum, ndi mphamvu yodula kwambiri, kukhazikika kwa mankhwala komanso kutsekemera kwabwino. Kugwiritsa ntchito: Itha kugwiritsidwa ntchito ngati ma abrasives olimba komanso okutidwa, ife ...

Ma abrasives ndi akuthwa, zinthu zolimba zomwe zimagwiritsidwa ntchito pogaya malo ofewa. Ma abrasives ali ndi abrasives achilengedwe ndi abrasives opangira magulu awiri. Malinga ndi kuuma kwa gulu la superhard abrasive ndi wamba abrasive awiri ...

Black corundum chimagwiritsidwa ntchito padziko mankhwala processing makampani, akhoza kupanga zosiyanasiyana pamwamba mankhwala processing yosalala, yeniyeni akhoza kugawidwa m'magulu awa: 1, pamwamba processing: zitsulo okusayidi wosanjikiza, carb ...

Black corundum, yomwe imadziwikanso kuti low alumina corundum, ili mu ng'anjo ya arc, yosungunula bauxite ndikupanga mtundu wa α-Al2O3 ndi iron spinel monga gawo lalikulu la mchere wa imvi wakuda kristalo, womwe umadziwika ndi kutsika kwa Al2O3 ...

Mu 1877, Fremi, katswiri wa zamankhwala wa ku France, adagwiritsa ntchito ufa wa alumina, potaziyamu carbonate, barium fluoride ndi potaziyamu bichromate pang'ono ngati zipangizo. Pambuyo pa masiku 8 akutentha kwambiri kusungunuka mu crucible, makhiristo ang'onoang'ono a ruby ​​​​...

Chrome corundum: Mapangidwe apamwamba a mchere ndi α-Al2O3-Cr2O3 yankho lolimba. Kuphatikizika kwa mchere wachiwiri ndi kagawo kakang'ono ka spinel (kapena palibe pawiri spinel), ndipo zomwe zili mu chromium oxide ndi 1% ~ 30%. Pali awiri k...

1. Makina opangira mchenga ayenera kukhazikitsidwa pa maziko okhazikika, kuonetsetsa kuti palibe kugwedezeka kwachilendo komanso kukhala kutali ndi zowonongeka zomwe zimachitika chifukwa cha chinyezi ndi dzimbiri. 2. Kuonjezera mafuta odzola oyenerera ku ziwalozo ...

Monga liwu lodziwika bwino la ulusi wachilengedwe ngati mchere wa siliceous, ubweya wa asibesitosi ndi mtundu wa ulusi wa silicate womwe umagwiritsidwa ntchito kwambiri pomanga ndi matabwa osayaka moto. Komanso ndi mchere wachilengedwe. Ili ndi mphamvu yabwino yolimbikira, yabwino ...

1. Malinga ndi zipangizo zosiyanasiyana, abrasives akhoza kugawidwa muzitsulo zazitsulo komanso zopanda zitsulo. Nonmetallic abrasives nthawi zambiri amaphatikiza mchenga wa mkuwa, mchenga wa quartz, mchenga wa mitsinje, emery, alumina wophatikizika wa bulauni, aluminiyamu yoyera yosakanikirana ...