Surface ceramization - ho fafatsa ka plasma le ho iketsetsa mocheso o phahameng oa motsoako
Ho fafatsa ka plasma ho hlahisa DC arc pakeng tsa cathode le anode. Arc e etsa hore khase e sebetsang e be plasma ea mocheso o phahameng. Lelakabe la plasma le thehoa ho qhibilihisa phofo ho etsa marotholi. Phallo e phahameng ea khase e phallang e etsa atomize marotholi ebe e a ntša ho substrate. Bokaholimo bo etsa seaparo. Monyetla oa ho fafatsa ka plasma ke hore mocheso oa ho fafatsa o phahame haholo, mocheso o bohareng o ka fihla ka holimo ho 10 000 K, 'me ho ka lokisoa leha e le efe e phahameng ea ho qhibiliha ha sekontiri sa ceramic,' me ho roala ho na le sekhahla se setle le matla a ho kopanya a phahameng. Bothata ke hore ts'ebetso ea ho fafatsa e phahame. Thepa e tlaase, le e theko e boima, litšenyehelo tsa nako e le 'ngoe tsa matsete li phahame.
Self-propagating high-themperature synthesis (SHS) ke theknoloji ea ho kopanya lisebelisoa tse ncha ka ho iketsetsa mocheso o phahameng oa lik'hemik'hale pakeng tsa li-reactants. E na le melemo ea lisebelisoa tse bonolo, ts'ebetso e bonolo, ts'ebetso e phahameng ea tlhahiso, tšebeliso e tlase ea matla le ho se na tšilafalo. Ke theknoloji ea boenjiniere ea holim'a metsi e loketseng haholo bakeng sa tšireletso ea lerako le ka hare la liphaephe. Lesela la ceramic le lokiselitsoeng ke SHS le na le litšobotsi tsa matla a maqhama a phahameng, boima bo phahameng le ho hanyetsa kutu, tse ka lelefatsang bophelo ba liphaephe ka katleho. Karolo e ka sehloohong ea liner ea ceramic e sebelisoang liphaepheng tsa peterole ke Fe + Al2O3. Mokhoa ona ke ho kopanya ka mokhoa o ts'oanang phofo ea oxide ea tšepe le phofo ea aluminium ka phala ea tšepe, ebe o potoloha ka lebelo le phahameng ho centrifuge, ebe o hotetsa ka tlhase ea motlakase, 'me phofo e tuka. Karabelo ea phalliso e etsahala ho theha lera le qhibilihisitsoeng la Fe+Al2O3. Lera le qhibilihisitsoeng le koahetsoe tlas'a ketso ea matla a centrifugal. Fe e haufi le lebota le ka hare la phala ea tšepe, 'me Al2O3 e etsa lesela la ka hare la ceramic hole le lebota la phala.
Nako ea poso: Dec-17-2018