• Chrome kwarkwata

Chrome kwarkwata

Chrome corundum (wanda kuma aka sani da ruwan hoda corundum) ana yin shi ta hanyar sinadarai na chrome-kore da alumina na masana'antu a babban zafin jiki sama da digiri 2000.Ana ƙara wasu adadin chromium oxide yayin aikin narkewa, wanda shine launin ruwan hoda mai haske ko fure.

Chromium corundum ya yi fice a cikin ingantaccen aiki wanda ya haɗa da babban taurin, babban tauri, babban tsabta, kyakkyawan kaifi kai, ƙarfin niƙa mai ƙarfi, ƙarancin zafi mai ƙarfi, babban inganci, juriya acid da alkali, juriya mai ƙarfi, da kwanciyar hankali mai kyau na thermal.

Ƙarin sinadarin Cr a cikin chrome corundum yana inganta taurin kayan aikin sa.Yana kama da farin corundum a cikin taurin amma mafi girma cikin tauri.Kayan aikin abrasive da aka yi da chrome corundum suna da dorewa mai kyau da tsayin daka.Ana amfani dashi ko'ina a cikin abrading, niƙa, polishing, daidai simintin simintin gyare-gyaren yashi, kayan feshi, dillalan sinadarai, tukwane na musamman da sauransu.Filayen da ake amfani da su sun haɗa da: kayan aikin aunawa, ƙwanƙolin kayan aikin injin, sassan kayan aiki, madaidaicin niƙa a samarwa da ƙirar ƙira.

The chrome corundum yana da babban danko da kyawu mai kyawu saboda bangaren gilashin chromium oxide, wanda zai iya hana yashewa da shigar narkakkar slag.Hakanan ana amfani dashi ko'ina a cikin manyan filayen zafin jiki tare da yanayi mai tsauri, gami da tanderun ƙarfe mara ƙarfe, tanderun narkewar gilashi, injin baƙar fata na carbon, incinerators na shara da simintin ƙarfe.

Chromium corundum kayayyakin
Manuniya na zahiri da sinadarai

Chromium oxide abun ciki Low chrome

0.2 - 0.45

chromium

0.45-1.0

High chromium

1.0--2.0

Kewayon granularity

Farashin AL2O3 Na 2O Fe2O3
F12--F80 98.20 min 0.50 max 0.08 max
F90--F150 98.50 min 0.55 max 0.08 max
F180--F220 98.00 min 0.60 max 0.08 max

Yawan gaske: 3.90g/cm3 Girman yawa: 1.40-1.91g/cm3

Microhardness: 2200-2300g/mm2

Chrome Corundum Macro

PEPA Matsakaicin girman hatsi (μm)
F 020 850-1180
F 022 710-1000
F 024 600-850
F 030 500-710
F 036 425-600
F 040 355-500
F 046 300-425
F 054 250-355
F 060 212-300
F 070 180-250
F 080 150-212
F 090 125-180
F 100 106-150
F 120 90-125
F 150 63-106
F 180 53-90
F 220 45-75
F240 28-34

Nazarin jiki na yau da kullun

Farashin 2O3 99.50%
Cr2O3 0.15%
Na 2O 0.15%
Fe2O3 0.05%
CaO 0.05%

Kaddarorin jiki na yau da kullun

Tauri 9.0 moh
Cmai kyau ruwan hoda
Siffar hatsi kusurwa
Wurin narkewa ca.2250 ° C
Matsakaicin zafin sabis ca.1900 ° C
Musamman nauyi ca.3.9 - 4.1 g/cm3
Yawan yawa ca.1.3 - 2.0 g / cm3