Ukumelana ne-oxidation yamacandelo e-ceramic achanekileyo kunye nemeko yesicelo sayo
Amacandelo e-ceramic achanekileyo zizinto eziyimfuneko ekusebenzeni okuphezulu kushishino lwangoku, kwaye iimpawu zabo ezizodwa kunye neekhemikhali zizise utshintsho oluguqukayo kwimimandla emininzi. Phakathi kwazo, ukuxhathisa kwe-oxidation yenye yezona mpawu zibalaseleyo zezixhobo ze-ceramic ezichanekileyo, ezibaluleke kakhulu kwiindawo eziphakamileyo.
Ukumelana ne-oxidation yamacandelo e-ceramic achanekileyo
Izinto ze-ceramic ezichanekileyo, ezifana ne-alumina, i-silicon nitride, i-silicon carbide, njl., ziyaziwa ngeempawu zazo ze-antioxidant ezigqwesileyo. Ezi zixhobo ziyakwazi ukugcina iikhemikhali ezizinzile phantsi kweqondo lokushisa eliphezulu kunye neendawo eziphezulu ze-oxidation, kwaye akulula ukusabela nge-oksijini, ngaloo ndlela ugwema i-oxidation, i-corrosion kunye nokuthotywa kokusebenza kwezinto. Olu xhaso lubalaseleyo lwe-oxidation lubangelwa ubukhulu becala kwisakhiwo se-crystal esizinzile kunye namandla eebhondi zekhemikhali ngaphakathi kwe-ceramic material, eyenza ikwazi ukugcina ukuzinza kwexesha elide kunye nokuthembeka kwiindawo ezinzima.
Indawo yosetyenziso olubalulekileyo
1. I-Aerospace
Kwintsimi ye-aerospace, ukuxhathisa kwe-oxidation yamacandelo e-ceramic echanekileyo kubaluleke kakhulu. Iinjini zeenqwelomoya kunye neziphekepheke kufuneka zimelane namaqondo obushushu aphezulu kakhulu kunye neegesi ze-oxidizing ngexesha lokubhabha ngesantya esiphezulu. Amacandelo afana namagumbi okutsha, ii-nozzles kunye nee-turbines ezenziwe ngezinto ezichanekileyo ze-ceramic zinokugcina ukusebenza okuzinzile kumaqondo okushisa aphezulu, ukukhusela ngokufanelekileyo i-oxidation kunye ne-corrosion, kunye nokuqinisekisa ukusebenza okuqhelekileyo kwe-injini kunye ne-spacecraft.
2. Icandelo lamandla
Kwintsimi yamandla, ukuxhathisa kwe-oxidation yamacandelo e-ceramic echanekileyo nayo idlala indima ebalulekileyo. Ngokomzekelo, kwizixhobo eziphezulu zokushisa ezifana nee-turbines zegesi kunye nama-boilers amalahle, amacandelo afana ne-thermal insulation layers kunye nezihlungi ezenziwe ngezinto ze-ceramic zinokuxhathisa ukukhukuliseka komsi ophezulu wokushisa, ukukhusela isakhiwo sangaphakathi sesixhobo kunye nokuphucula ukusebenza kakuhle kwamandla. Ukongeza, kwinkalo yamandla enyukliya, imathiriyeli ye-ceramic echanekileyo nayo isetyenziswa ngokubanzi kwi-thermal insulation kunye nomaleko okhuselayo we-reactors zenyukliya ukuqinisekisa ukusetyenziswa ngokukhuselekileyo kwamandla enyukliya.
3. Ishishini lemichiza
Kwishishini lemichiza, iimpendulo ezininzi zeekhemikhali kunye neenkqubo kufuneka ziqhutywe kwiqondo lokushisa eliphezulu, uxinzelelo oluphezulu kunye neendawo ezinobungozi obuqinileyo. Amalungu e-ceramic achanekileyo, kunye nokumelana kwawo okugqwesileyo kwe-oxidation kunye nokuxhathisa umhlwa, zizinto eziyimfuneko kwezi ndawo. Ngokomzekelo, kwizixhobo zeekhemikhali ezine-asidi enzima kunye ne-alkali corrosion, amacandelo afana nemibhobho, i-valve kunye neepompo ezenziwe ngezinto ze-ceramic zinokuthintela ngokufanelekileyo ukubola kunye nokuvuza, ukuqinisekisa ukhuseleko kunye nokuzinza kokuveliswa kweekhemikhali.
isiphelo
Isishwankathelo, ukuxhathisa kwe-oxidation yamacandelo e-ceramic echanekileyo yenye yezinto ezininzi ezibalaseleyo, ezidlala indima ebalulekileyo kwi-aerospace, amandla kunye namashishini amachiza. Ngenkqubela phambili eqhubekayo yesayensi kunye nobuchwepheshe kunye nokwandiswa okuqhubekayo kwezicelo, iipropati ze-antioxidant zamacandelo e-ceramic achanekileyo ziya kuqhubeka zixhalabisa kwaye ziphuculwe, ukuzisa ukutsha kunye nenkqubela phambili kwiinkalo ezininzi. Kwixesha elizayo, ngophuhliso oluqhubekayo lwesayensi yezinto kunye nobuchwepheshe bokulungiselela, sinesizathu sokukholelwa ukuba amacandelo e-ceramic achanekileyo aya kubonisa umtsalane wawo okhethekileyo kunye nexabiso kwiinkalo ezininzi.
Ixesha lokuposa: Aug-07-2024