Xa uqhuba iimvavanyo zobushushu obunezakhono eziphezulu okanye izicelo zemizi-mveliso, ukhetho lwezinto ezimbethelelene ezidlala indima ebalulekileyo ekuqinisekiseni impumelelo kunye nokhuseleko lwenkqubo. Iindidi ezimbini ezisetyenzisiweyo ze-thercablesI-Clay igrafu ye-clacableskwayeIgrafu ye-silicon carbide thercabs. Ukuqonda ukuqulunqwa kwezinto, ubushushu bayo, ukungangqinelani kweekhemikhali, kunye nokuhamba kwekhemikhali kubalulekile ukwenza isigqibo esinolwazi xa khetha imbumbulu efanelekileyo kwilebhu ethile okanye iimfuno zemveliso.
Isithako sezinto ezibonakalayo:
Igrafu ye-clay imbumbelelo ibunjwe ikakhulu yegrafu, udongwe kunye nenani elithile le-qubricist, kwaye yaziwa ngokuba yi-dicturter yekhemikhali. Kwelinye icala, igrafu ye-silichen carbide yenziwa nge-selicon Powber kunye ne-oxcob yomhlaba onqabileyo, kwaye ineempawu zokuchasana nobushushu obuphezulu, kunye nokungakhathali okuphezulu kothusayo.
Iqondo lokunyanga mlilo:
Iqondo lobushushu le-Clay igrafired ithe tye ngokubanzi ifikelela malunga ne-1200 ° C, ngelixa igrafu yegraficon carbles inokumelana nobushushu ngaphezulu kwe-1500 ° C. Oku kwenza ukuba igrafu ye-slichen carbide ifanelekile ngakumbi kwizicelo ezifuna amaqondo obushushu aphezulu kwiimvavanyo zekhemikhali kunye neenkqubo zemveliso.
I-Inert ye-chemis:
Zombini iindidi ze-thercabs zibonisa ubungakanani beekhemikhali, ukuhlala uzinzo kwi-acid, ialkali, kunye nezisombululo zetyuwa kunye nokunganyangi. Nangona kunjalo, icandelo lodongwe kwi-gray i-graph phrecabs lenza kube lula ukuba ifumane izinto kunye nokungcola xa kuthelekiswa negrafu ye-carbite carbide.
Ukuqhutywa kwe-thermal:
Igrafu inengxaki enkulu yokuqhuma kwaye inokubuphazaza ngokukhawuleza ubushushu. Nangona kunjalo, ngenxa yesakhiwo esivulekileyo semifanekiso enqabileyo, amabala amnyama athambekele ukuba avele kumphezulu wakhe kwaye afune ukucocwa rhoqo. Ngokwahlukileyo, igrafu ye-graicon ye-carbide ye-carbles inezinto zokuphumelela ezantsi kwe-shirmal kwaye aziyi kushiya amabala kumphezulu. Ngapha koko, ubunzima babo obukhulu kuthintela ukunxiba kunye nokudakumba.
Khetha imbeko yasekunene:
Xa ukhetha ilabhoratri yelebhu yekhebhu evuthayo, iimfuno ezithile kufuneka ziqwalaselwe. I-clay igrafired i-gurite ilungele i-chemistry ye-chemistry ye-chemite, ngelixa igrayili yegraficon carbide ilungele ubushushu obufuna ubushushu obuphakamileyo kunye neemeko ezifuna ngakumbi. Kubalulekile ukuba ulandele ngokungqongqo imiyalelo yokusetyenziswa ukunqanda ukungaphumeleli ngenxa yokusebenza okungafanelekanga.
Kwisishwankathelo, ukuqonda umahluko phakathi kweCoy Graites kunye negrafiti yegraficial carbides kubalulekile ekukhetheni i-labhoratory ethile okanye isicelo semveliso. Ngokuthathela ingqalelo izinto ezifana nobushushu obutsha, i-insertures yekhemikhali kunye nokuqhutywa kwekhemikhali, oophandi kunye neengcali zezamashishini banokwenza izigqibo ezinolwazi ukuqinisekisa impumelelo kunye nokhuseleko lovavanyo kunye neenkqubo.
Ixesha leposi: Apri-25 ukuya ku-2424