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AnaStankovic-MT.pdf - Institut tehničkih nauka SANU

AnaStankovic-MT.pdf - Institut tehničkih nauka SANU

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Univerzitet u Beogradu, Fakultet za fizičku hemijuAna StankovićSadržaj:1 TEORIJSKI DEO ...............................................................................................................................91. 1 NANOMATERIJALI .......................................................................................................................101.1.1 Istorijski pregled mehanohemijske sinteze.......................................................................111. 2 MEHANOHEMIJSKO PROCESIRANJE ...........................................................................................131.2.1 Osnovni principi mehanohemijskog procesiranja...........................................................151. 3 PARAMETRI KOJI UTIČU NA PROCES MEHANOHEMIJSKE SINTEZE ...........................................16Vrsta mlina i reakcionih posuda..................................................................................................17Brzina i vreme mlevenja...............................................................................................................18Vrsta kuglica................................................................................................................................19Odnos masa kuglica prema masi reaktanata...............................................................................20Stepen ispunjenosti posude..........................................................................................................20Atmosfera u kojoj se odigrava sinteza.........................................................................................20Vrsta reagensa za kontrolu procesa sinteze (PCA) .....................................................................21Temperatura u posudi tokom sinteze ...........................................................................................241. 4 REAKCIJE MEHANOHEMIJSKE SINTEZE .....................................................................................251.4.1 Reakcije povratne sprege.................................................................................................261.4.2 Uticaj reakcionog proizvoda na tok reakcije..................................................................261.4.3 Uticaj oslobođene toplote na tok reakcije........................................................................271. 5 MEHANOHEMIJA - EKOLOŠKI ASPEKT........................................................................................281. 6 OSOBINE I SVOJSTVA ZnO MATERIJALA....................................................................................291. 7 PRIMENA ZnO MATERIJALA.......................................................................................................321. 8 OSOBINE I SVOJSTVA ZrO 2 MATERIJALA...................................................................................351. 9 PRIMENA ZrO 2 MATERIJALA......................................................................................................362 CILJ ISTRAŽIVANJA.....................................................................................................................393 EKSPERIMENTALNI DEO............................................................................................................413. 1 PRINCIPI EKSPERIMENTALNE METODE ......................................................................................423. 2 MATERIJALI ................................................................................................................................433. 3 SINTEZA NANO-STRUKTURNOG PRAHA ZnO U PRISUSTVU NEORGANSKE INERTNE MATRICE ...KALCIJUM HLORIDA (CaCl 2 ) ......................................................................................................433. 4 SINTEZA NANO-STRUKTURNOG PRAHA ZnO U PRISUSTVU ORGANSKE INERTNE MATRICE.........OKSALNE KISELINE (H 2 C 2 O 4·2H 2 O)...........................................................................................443. 5 SINTEZA NANO-STRUKTURNOG PRAHA ZnO U PRISUSTVU VODENOG RASTVORA ORGANSKE ...INERTNE MATRICE OKSALNE KISELINE (H 2 C 2 O 4·2H 2 O) aq (wet-milling) .................................443. 6 SINTEZA NANO-STRUKTURNOG PRAHA CIRKONIJUM DIOKSIDA (ZrO 2 )...................................445

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