Brown Fused Alumina Rau Abrasives

Brown fused alumina (BFA)yog ib qho khoom siv ruaj khov thiab ntau yam abrasive uas feem ntau siv rau hauv ntau daim ntawv thov kev lag luam. Nws yog tsim los ntawm fusing zoo calcined bauxite thiab hlau oxide nyob rau hauv ib tug hluav taws xob arc rauv ntawm kub heev. BFA yog cov khoom siv tawv thiab tawv uas muaj kev puas tsuaj zoo heev thiab hnav tsis kam vim nws cov qauv crystalline tshwj xeeb nrog sib npaug alpha alumina crystals.

BFA yog cov khoom siv zoo tshaj plaws rau kev ua haujlwm hlau, kev npaj nto, thiab kev ua haujlwm tu vim nws lub zog siab, hardness, thiab ntom. Nws cov khoom tshwj xeeb kuj ua rau nws muaj kev xaiv nrov rau kev sib tsoo thiab txiav daim ntawv thov. Tsis tas li ntawd, BFA muaj cov khoom siv thermal zoo, ua rau nws yog cov khoom siv hluav taws xob zoo heev rau kev siv kub kub xws li cov khoom siv hluav taws xob.

BFA yog tsim los ntawm ntau qhov ntau thiab tsawg thiab cov duab kom haum rau cov ntawv thov tshwj xeeb. Feem ntau siv qhov ntau thiab tsawg ntawm 8 mus rau 220 microns, nrog rau qhov loj dua muaj rau qee yam kev siv. BFA grits muaj nyob rau hauv angular, blocky los yog puag ncig cov duab nrog ntau theem ntawm purity, nyob ntawm seb cov kev cai tshwj xeeb ntawm daim ntawv thov.

BFAyog cov khoom siv dav siv hauv kev tsim cov khoom sib txuas thiab coated abrasive. Nws yog feem ntau siv hauv kev sib tsoo log, ntawv xuab zeb, thiab lwm yam khoom siv abrasive. Cov khoom lag luam abrasive yog tsim los ntawm kev sib xyaw BFA nplej nrog cov khoom sib txuas xws li cob, vitrified, lossis roj hmab. Cov khoom siv coated abrasive yog tsim los ntawm txheej txheej hloov tau yooj yim xws li ntawv, ntaub, lossis zaj duab xis nrog cov nplej abrasive tuav hauv qhov chaw nrog cov nplaum.

BFA kuj tseem siv los ua cov khoom muab tub lim hauv kev tsim cov khoom siv ceramic siab heev vim nws cov tshuaj purity siab thiab zoo thermal zog. Nws yog feem ntau siv nyob rau hauv zus tau tej cov refractory ceramics, xws li cov siv nyob rau hauv lub tsim ntawm ob sab phlu rau furnaces thiab kilns.

Hauv cov ntsiab lus,BFAyog cov khoom siv ntau yam uas pom tau siv dav hauv ntau yam kev lag luam, suav nrog kev ua haujlwm hlau, kev npaj nto, thiab cov ceramics siab heev. Nws cov khoom tshwj xeeb xws li lub zog siab, hardness, thiab zoo heev hnav tsis kam, ua kom nws zoo tagnrho rau kev siv cov khoom siv abrasive thiab lwm yam kev siv uas yuav tsum tau ua kom muaj zog thiab kev ua haujlwm siab.

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