Ukuqanjwa okusha kwesayensi nobuchwepheshe kuwusizo olukhulu ekwenzeni ngcono ukukhiqiza. Isithando somlilo se-vacuum sintering yisibonelo esihle. Isetshenziswa kabanzi ekukhiqizweni kwezimboni zanamuhla. Ukusetshenziswa kwesithando somlilo se-vacuum sintering kuyithuthukise kakhulu izakhiwo zemishini nezamakhemikhali, kodwa izinto ezilandelayo zisadinga ukunakwa ngesikhathi sokusetshenziswa:
1. Ukuhlanza: Ngaphambi kokusebenzisa isithando somlilo se-vacuum sintering, kuyadingeka ukuhlanza umzimba wesithando somlilo kanye negumbi lomlilo ukuze kuqinisekiswe ikhwalithi yesampula ye-sintered kanye nomphumela we-sintering. Ngesikhathi esifanayo, kuyadingeka futhi ukuhlanza njalo nokugcina umzimba wesithando somlilo kanye nesithando somlilo ukuze ugweme ukungcoliswa kwamasampula.
2. Ukulawulwa kwenqubo yokushisisa: Ukukhuphuka kwezinga lokushisa kwangaphakathi kwesithando se-vacuum sintering kudinga ukulawulwa ngokushisisa. Ngesikhathi sokusebenza, izinga lokushisa lokushisa kanye nesikhathi kudinga ukulawulwa ngokuqinile, ikakhulukazi izinga lokushisa ngesikhathi senqubo ye-sintering akufanele lisheshe kakhulu, ngaphandle kwalokho lingabangela ukuqhekeka noma ukulimala ngaphakathi kwesampula.
3. Ukukhethwa kwegesi yokulungisa: Ukukhethwa kwegesi yokulungisa kuthinta ngokuqondile ikhwalithi nokuzinza kwamasampula afakwe emanzini. Phakathi nenqubo yokufaka isicelo, kuyadingeka ukukhetha igesi evikelayo efanelekile ukuze kuthuthukiswe ukuminyana namandla esampula, kugcinwe ukuzinza kwesampula nokuvimbela i-oxidation.
4. Ukulawulwa kwemvelo ye-Sintering: Esithandweni somlilo se-vacuum sintering, imingcele yemvelo efana nezinga lokushisa nokucindezela kudingeka ilawulwe ngokuqinile ukuze kuqinisekiswe ukuthi isampula ingagcina isimo esizinzile phakathi nenqubo yokucwilisa. Ngesikhathi esifanayo, izinga le-vacuum endaweni ye-sintering nalo lidinga ukulawulwa ukuze kugwenywe ama-oxide noma okunye ukungcola ebusweni besampula.
5. Ukukhethwa kwesiqukathi esisebenzayo: Ngesikhathi senqubo yokucwilisa, kuyadingeka ukukhetha isitsha esisebenzayo esifanelekile ukuze kuhlangatshezwane nezidingo zesampula sintering. Usayizi wesiqukathi udinga ukucabangela usayizi nenani lesampula, futhi impahla yesiqukathi idinga ukumelana nezinga lokushisa eliphezulu kanye nokugqwala ukuze kuqinisekiswe ukuthi ikhwalithi yesampula ayithinteki ngesikhathi sokusebenza.
Kusengumusho ofanayo, ukusebenza kwesithando somlilo se-vacuum sintering kudinga ukuthotshelwa okuqinile kwezinqubo zokusebenza nokunaka ukuphepha, nokukhethwa okunengqondo kwemingcele efana nemvelo kanye negesi yokulungisa ukuze kuqinisekiswe umphumela we-sintering kanye nekhwalithi yesampula.
Isikhathi sokuthumela: Jul-12-2023