Ukumelana ne-oxidation kwee-electrode ze-graphite kuphenjelelwa yindibaniselwano yezinto, kubandakanya ubushushu, uxinzelelo lwe-oksijini, ulwakhiwo lwekristale, iimpawu zezinto ze-electrode (ezifana ne-graphitization degree, uxinano olukhulu, kunye namandla oomatshini), uyilo lwe-electrode (ezifana nomgangatho odibeneyo kunye nokuhambelana kobushushu), kunye nonyango lomphezulu (ezifana neengubo ze-antioxidant). Oku kulandelayo luhlalutyo oluneenkcukacha lwezi zinto:
1, Ubushushu:
Izinga lokuxinana kwee-electrode ze-graphite liyanda kakhulu xa ubushushu bunyuka. Ngaphezulu kwe-450°C, i-graphite iqala ukusabela ngamandla kwi-oxygen, kwaye izinga lokuxinana liyanda kakhulu xa ubushushu budlula i-750°C.
Kumaqondo obushushu aphezulu, iimpembelelo zeekhemikhali kumphezulu wegrafiti ziba qatha ngakumbi, nto leyo ekhokelela ekufakweni kwe-oxidation ngokukhawuleza. Umzekelo, kwii-oven zombane ze-arc, ubushushu bomphezulu we-electrode bunokudlula i-2000°C, nto leyo eyenza ukuba i-oxidation ibe yimbangela ephambili yokusetyenziswa kwe-electrode.
2, Uxinzelelo lweOksijini:
Uxinzelelo lweoksijini yinto ebalulekileyo echaphazela izinga lokuxovwa kwee-electrode zegrafiti. Kumaqondo obushushu aphezulu, intshukumo yobushushu yeemolekyuli zeoksijini iyanda, nto leyo eyenza ukuba zibe sengozini yokungqubana negrafiti kwaye ikhuthaze ukusabela kweoksijini.
Kwiindawo zoshishino ezifana nee-ovens zombane, umoya omninzi ungena ngemingxuma ye-electrode egubungela i-oven kunye neengcango ze-oven, nto leyo ebangela ukuba i-oxydation ye-electrode ibe mandundu.
3, Ulwakhiwo lweCrystal:
Ulwakhiwo lwekristale lwegraphite lukhululekile kwaye lusengozini yokuhlaselwa ziiathom zeoksijini. Kumaqondo obushushu aphezulu, ulwakhiwo lwekristale lwegraphite ludla ngokutshintsha, nto leyo ekhokelela ekunciphiseni uzinzo kunye nokukhawuleziswa kwe-oxidation.
4, Iipropati zezinto ze-Electrode:
- Inqanaba leGraphitization: Ii-electrode ezinezinga eliphezulu legraphitization zibonisa ukumelana okungcono kwe-oxidation kunye nokusetyenziswa okuphantsi. I-graphite ecocekileyo kakhulu, enobushushu begraphitization obufikelela malunga ne-2800°C, ibonisa ukumelana okuphezulu kwe-oxidation xa kuthelekiswa nee-electrode zegraphite zamandla aqhelekileyo (ezinobushushu begraphitization obumalunga ne-2500°C).
- Uxinano Olukhulu: Amandla oomatshini, i-elastic modulus, kunye nokuqhuba kobushushu kwee-electrode ze-graphite ziyanda ngoxinano olukhulu, ngelixa i-resistivity kunye ne-porosity ziyancipha. Uxinano olukhulu lunempembelelo ngqo ekusetyenzisweni kwee-electrode, kunye nee-electrode ezinoxinano olukhulu oluphezulu olubonisa ukumelana okungcono kwe-oxidation.
- Amandla Oomatshini: Ii-electrode zeGraphite azichatshazelwanga bubunzima bazo kunye namandla angaphandle kuphela kodwa zichatshazelwa nanguxinzelelo lobushushu olucacileyo, oluphakathi, nolune-radial ngexesha lokusetyenziswa. Xa uxinzelelo lobushushu ludlula amandla oomatshini e-electrode, kunokuqhekeka okanye kwanokuqhekeka. Ke ngoko, ii-electrode ezinamandla oomatshini aphezulu zichaswa ngamandla obushushu kwaye zichaswa ngcono yi-oxidation.
5, Uyilo lwe-Electrode:
- Umgangatho weJoint: Iijoints ziindawo ezibuthathaka zee-electrodes kwaye zisengozini yokonakala ngaphezu komzimba we-electrode. Izinto ezifana nokunxibelelana okukhululekileyo phakathi kwee-electrodes kunye neejoints, kunye nee-coefficients zokwandiswa kobushushu ezingahambelaniyo zinokukhokelela ekukhawulezisweni kwe-oxidation kunye nokuqhekeka kwamalungu.
- Ukuhambelana Kokwandiswa Kobushushu: Ii-coefficients zokwandiswa kobushushu ezingangqinelaniyo phakathi kwezinto ze-electrode kunye nokusingqongileyo okungqongileyo nazo zinokubangela ukuqhekeka kwe-electrode. Xa i-electrode idlula kubushushu obuphezulu, ukuba imeko-bume engqongileyo okanye izinto ezidibana ne-electrode azikwazi ukwanda ngokufanelekileyo, uxinzelelo luyenzeka, ekugqibeleni lukhokelela ekuqhekekeni.
6, Unyango Lomphezulu:
Ukusetyenziswa kweengubo ze-antioxidant kunokuphucula kakhulu ukumelana kwe-oxidation yee-electrode ze-graphite. Umzekelo, i-RLHY-305 graphite antioxidant coating yenza i-dense antioxidant coating kumphezulu we-substrate, inika iipropati ezibalaseleyo zokutywina. Iyahlula i-oxygen kwi-graphite kumaqondo obushushu aphezulu, ithintele impendulo phakathi kwe-graphite ne-oxygen, kwaye yandisa ubomi beemveliso ze-graphite ubuncinane nge-30%.
Unyango lokufunxa lukwayindlela esebenzayo yokulwa ne-antioxidant. Ngokufunxa ii-antioxidants kwii-electrode ze-graphite ngokufunxa nge-vacuum okanye ngokucwilisa ngokwendalo, ukumelana ne-oxidation yee-electrode kunokuphuculwa.
Ixesha leposi: Julayi-01-2025