I-Ruitai Kitchen Knives: Umthombo Wakho KaNdunankulu Wesethi Yemimese Yasekhishini Yangokwezifiso evela e-China
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I-Ruitai Kitchen Knives: Umthombo Wakho KaNdunankulu Wesethi Yemimese Yasekhishini Yangokwezifiso evela e-China
Ngikholelwa ukuthi emibonweni yabangane abaningi, i-ceramics, i-hard and brittle material, ibilokhu isetshenziselwa ukwenza iziqukathi, i-tableware, amathayili, imihlobiso neminye imikhiqizo. Angazi noma uzwisisile yini ukuthi izitsha zobumba nazo zingenziwa zibe imibese?Eqinisweni, imimese yobumba inomlando wokusungulwa okucishe kube yikhulu. Imimese yobumba manje isithuthuke yaba umkhiqizo onobuchwepheshe obuvuthwe kakhulu, futhi imindeni eminingi okwamanje usebenzisa ummese we-ceramic.
Ngemimese yensimbi yendabuko, nakuba ingahlangabezana nezidingo eziningi zokusika empilweni yomndeni, kusekhona ukushiyeka okuningi.
Isibonelo, imimese yensimbi kulula ukugqwala futhi ayinawo amandla okumelana nokugqoka.Ngemva kwesikhathi eside, iba lula ukugqwala futhi ibe buthuntu, okuyinto ephazamisa kakhulu ezimweni eziningi. Kungaphansi kwalesi simo lapho imimese ye-ceramic yaba khona.
Izinto ezisetshenziswa emimese ye-ceramic akuwona ama-ceramics axoshwa enhlabathini yemvelo evamile ezimpilweni zethu, kodwa ama-ceramics akhethekile wesimanje akhiwe ngokwenziwa.
Kusukela ngo-1912, amanye amazwe aseYurophu naseMelika asebenzisa i-alumina njengento eluhlaza ukukhiqiza imimese ye-alumina ceramic, kodwa ngenxa yokusebenza kwayo okuphansi, ayizange ibonwe ngumphakathi. Kwaze kwaba ngemva kweminyaka engu-50 lapho abantu basungula izinto eziyinhlanganisela ye-alumina Amandla nokuqina kwemibese yobumba eyenziwe ngale nto kuye kwathuthukiswa kakhulu, futhi imimese yobumba iye yangena kancane kancane emkhakheni wokubona wabantu kusukela ngaleso sikhathi. Ekuqaleni kwawo-1980, imimese ye-silicon oxide ceramic yayisiphumile. Le mpahla yemimese yobumba yayisondelene kakhulu nezinto zesimanje zemimese yobumba, futhi ukuthengiswa kwemibese yobumba emazweni athuthukile kwaqala ukukhuphuka ngokuqhubekayo.
Ngokuthuthuka okuqhubekayo kobuchwepheshe bokwenziwa, izinto zokwenziwa ezengeziwe ziyasetshenziswa ukwenza imimese ye-ceramic. Imimese ye-ceramic evamile okwamanje emakethe isebenzisa i-zirconia njengento eluhlaza, futhi isebenzisa i-zirconia powder enosayizi wamangqamuzana ama-nanometers ukubhaka ekushiseni okuphezulu okungaphezu kwama-degree angu-2,000, futhi ifake ingcindezi ephezulu yamathani angaphezu kuka-300 ekubunjeni. Ukwazi ukukhiqiza izikhala zemimese ye-zirconia. Ummese ongenalutho ube usugaywa kahle ngedayimane ukwenza incezu yommese we-ceramic.
Ukusebenza kwemimese ye-ceramic ye-zirconia ayifani nemimese ye-ceramic emhlophe yendabuko Izinto ezibonakalayo ze-zirconia azithuthuki kakhulu kuphela emandleni, ukuqina, ukuqina nezinye izici, kodwa futhi kunezinzuzo zokumelana nokugqwala, ukumelana nokugqoka kanye nokumelana nokushisa okuphezulu. Lezi zinzuzo zandisa kakhulu ububanzi bokusetshenziswa kwemibese ye-ceramic ye-zirconia, hhayi nje kuphela engakwazi ukusika futhi icubungule izinto ezinobulukhuni obukhulu ngokwezidingo ezihlukene zokunemba, kodwa futhi ingenza ukusika ngesivinini esikhulu, ngisho nokusika okuqhubekayo emazingeni okushisa angaphezu kuka-1000. yinto imimese ye-ceramic yendabuko engakwazi ukuyenza. Ngaphezu kwalokho, i-zirconia ibizwa nangokuthi "itshe eliyigugu le-zircon" ngenxa yokubukeka kwayo okuhle nokuyigugu, futhi ingachazwa ngokuthi "ummese ohloniphekile" ofanelwe kahle.
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