I-Chrome corundum (ekwabizwa ngokuba yi-pink corundum) yenziwe nge-chemical reaction ye-metallurgical chrome-green kunye ne-industrial alumina kwiqondo lokushisa eliphezulu ngaphezu kwe-2000 degrees.Umlinganiselo othile wechromium oxide wongezwa ngexesha lenkqubo yokunyibilikisa, ebomvu ngokukhanyayo okanye evukileyo.
I-Chromium corundum igqwesa ekusebenzeni okubanzi kubandakanya ubunzima obuphezulu, ukuqina okuphezulu, ukucoceka okuphezulu, ukuzilola okugqwesileyo, isakhono esinamandla sokugaya, ukuvelisa ukushisa okuphantsi, ukusebenza kakuhle, ukuchasana kwe-asidi kunye ne-alkali, ukumelana nobushushu obuphezulu, kunye nokuzinza okuhle kwe-thermal.
Ukongezwa kwezinto zeekhemikhali ze-Cr kwi-chrome corundum kuphucula ukuqina kwezixhobo zayo ezinqabileyo.Iyafana ne-white corundum ngobulukhuni kodwa iphezulu kukuqina.Izixhobo ze-abrasive ezenziwe nge-chrome corundum zinokuqina okulungileyo kunye nokugqiba okuphezulu.Isetyenziselwa ngokubanzi ukukrala, ukugaya, ukupolisha, ukuphosa isanti ngokuchanekileyo, izinto zokutshiza, umthwali wekhemikhali we-catalyst, ii-ceramics ezikhethekileyo njalo njalo.Imimandla esebenzayo ibandakanya: izixhobo zokulinganisa, izixhobo zokuphotha zomatshini, iinxalenye zesixhobo, ukugaya okuchanekileyo kwimveliso enemisonto kunye nemodeli.
I-chrome corundum ine-viscosity ephezulu kunye ne-permeability enhle ngenxa yecandelo leglasi e-chromium oxide, enokuthintela kakhulu ukukhukuliseka kunye nokungena kwe-slag etyhidiweyo.Ikwasetyenziswa ngokubanzi kumasimi obushushu obuphezulu obunobume oburhabaxa, kubandakanywa izitovu zentsimbi ezingezizo i-ferrous, iiglasi ezinyibilikayo zeglasi, iireactors ezimnyama zekhabhoni, izitshisi zenkunkuma kunye nezinto ezilahlwayo.
Iimveliso zeChromium corundum
Iimpawu ezibonakalayo kunye neekhemikhali
Umxholo weChromium oxide | I-chrome ephantsi 0.2 --0.45 | Ichromium 0.45--1.0 | Ichromium ephezulu 1.0--2.0 |
Uluhlu lwe-granularity
AL2O3 | Na2O | Fe2O3 | |
F12--F80 | 98.20min | 0.50ubuninzi | 0.08 ubuninzi |
F90--F150 | 98.50min | 0.55ubuninzi | 0.08 ubuninzi |
F180--F220 | 98.00min | 0.60ubuninzi | 0.08 ubuninzi |
Ubuninzi benyani: 3.90g/cm3 Ubuninzi bobuninzi: 1.40-1.91g/cm3
Ubunzima obuncinci: 2200-2300g / mm2
Chrome Corundum Macro
I-PEPA | Ubungakanani obuphakathi kweenkozo(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 |
Uhlalutyo lomzimba oluqhelekileyo
Al2O3 | 99.50 % |
Cr2O3 | 0.15 % |
Na2O | 0.15 % |
Fe2O3 | 0.05 % |
CaO | 0.05 % |
Iimpawu ezibonakalayo eziqhelekileyo
Ukuqina | 9.0 mohs |
Colo | pink |
Imilo yeenkozo | i-angular |
Indawo yokunyibilika | ca.2250 °C |
Ubushushu benkonzo enkulu | ca.1900 °C |
Ubunzima obuthile | ca.3.9 - 4.1 g/cm3 |
Unizi lolwapho kuyiwa khona | ca.1.3 – 2.0 g/cm3 |