X-ray Diffraction
Yana wakiltar tarin filaye na bayanan rarrabuwar Xray akan samfuran ƙasƙanci da ƙasƙanci don ƙarfe (hagu) da yumbu (dama).
Rukunin harsashi na tsakiya na yumbu, kamar yadda mawallafa suka annabta, sun kasance masu daidaituwa dangane da abun da ke tattare da sinadaran (babu alamar rubewa ko canjin sinadarai a 300 ° C da 600 ° C).Akasin haka, samfurin ƙarfe yana jure wa canji bayyananne.
Kamar yadda ake iya gani ta bayanan XRD, samfuran yumbu suna nuna daidaitaccen tsari na daidaitaccen abun da ke ciki.Wannan nuni ne na babu wani canji a tsarin crystal yayin da ƙarfi da kololuwar matsayi na jiragen sama masu karkata su kasance iri ɗaya.Yin amfani da gyare-gyaren rietveld, muna gani a cikin tsarin mu na XRD fitaccen lokaci na tetragonal wanda aka danganta ga jirgin (101).
Bayanan XRD kuma suna nuna cewa akwai ƙaramin tsari na monoclinic wanda ya fara tasowa don samfurin 600 ° C saboda jirgin (111) a ƙananan kusurwa 2θ.A cikin ƙididdige mol% daga nauyin da aka bayar% (bayanan haɗe-haɗe da aka bayar ta Wurin Al'ajabi), an ƙaddara cewa samfurin Zirconia shine 3 mol% Yttria doped Zirconia.Lokacin kwatanta tsarin XRD zuwa zane na lokaci mun gano cewa bayanan da aka tattara daga XRD sun yi daidai da matakan da ke cikin zane na lokaci.Sakamakon daga bayanan XRD ɗin mu yana nuna cewa Zirconia abu ne mai tsayi sosai kuma ba ya aiki a cikin waɗannan jeri na zafin jiki.
Witz et al: Juyin Halitta a Yttria-Stabilized Zirconia Thermal Barrier Coatings Rietveld Refinement of X-Ray Powder Diffraction Patterns.Journal of the American Ceramic Society.
Tebur na 1 - Haɗin Rubutun Cibiyar yumbu
Daga bayanan XRD, an gano cewa kayan ƙarfe ne Brass.Don aikace-aikacen zafin jiki mai girma, yana iya zama zaɓi na yau da kullun amma kamar yadda aka gano, lalata yana faruwa da sauri da sauri idan aka kwatanta da gidan yumbura.Kamar yadda ake iya gani a cikin shirin a 600 ° C (makirci na farko a gefen hagu), kayan yana fuskantar canje-canje masu yawa.A ƙananan kusurwa 2θ, mun yi imanin cewa an danganta sababbin kololuwa zuwa samuwar ZnO (Zinc Oxide).A 300 ° C don samfurin tagulla (makircin XRD na hagu) mun ga cewa ba wani canji da yawa ya faru idan aka kwatanta da samfurin pristine.Samfurin ya kasance a cikin kyakkyawan yanayin jiki da sinadarai, yana ba da lamuni ga daidaiton kayan daga zafin dakin zuwa 300 ° C.
