Zirconia Ceramics X-ray Diffraction

Kusintha kwa X-ray

Imayimira ma stack a data ya Xray diffraction pa zitsanzo zapristine ndi zowonongeka za Chitsulo (kumanzere) ndi Ceramic (Kumanja).

Ma cartridge a ceramic center post, monga momwe adaneneratu ndi olemba, adakhalabe osasinthasintha malinga ndi momwe zimapangidwira (palibe chizindikiro cha kuwonongeka kapena kusintha kwa mankhwala pa 300 ° C ndi 600 ° C).M'malo mwake chitsanzo chachitsulo chimasintha momveka bwino.

Monga momwe zikuwonekera ndi data ya XRD, zitsanzo za ceramic zimawonetsa kukhulupirika kwa kapangidwe kake.Ichi ndi chisonyezo cha kusintha kwa mawonekedwe a kristalo monga mphamvu ndi malo apamwamba a ndege zowonongeka zimakhala zofanana.Pogwiritsa ntchito kukonzanso kwa rietveld, tikuwona mu mawonekedwe athu a XRD gawo lodziwika bwino la tetragonal lomwe limadziwika ndi ndege (101).

Deta ya XRD imasonyezanso kuti pali kapangidwe kakang'ono ka monoclinic kamene kakuyamba kuonekera kwa chitsanzo cha 600 ° C chifukwa cha ndege (111) pamtunda wotsika 2θ.Powerengera mol% kuchokera pa kulemera komwe kunaperekedwa% (deta yophatikizika yoperekedwa ndi Wonder Garden), zidatsimikiziridwa kuti chitsanzo cha Zirconia ndi 3 mol% Yttria doped Zirconia.Tikayerekeza chitsanzo cha XRD ndi chithunzithunzi cha gawo timapeza kuti zomwe zasonkhanitsidwa kuchokera ku XRD zimagwirizana ndi magawo omwe ali pagawoli.Zotsatira kuchokera ku deta yathu ya XRD zimasonyeza kuti Zirconia ndi chinthu chokhazikika komanso chosasunthika pazigawo za kutentha.

Witz Et al:Phase Evolution in Yttria-Stabilized Zirconia Thermal Barrier Coatings Yophunzira ndi Rietveld Refinement of X-Ray Powder Diffraction Patterns.Journal of the American Ceramic Society.

■Gulu 1 - Mapangidwe a Ceramic Centerpost

Kuchokera ku data ya XRD, zapezeka kuti zitsulo zachitsulo ndi Brass.Pazogwiritsa ntchito kutentha kwambiri, zitha kukhala zosankha pafupipafupi koma monga zadziwika, kuwonongeka kumachitika mwachangu kwambiri poyerekeza ndi positi ya ceramic center.Monga tikuwonera pachiwembu pa 600 ° C (chiwembu choyamba kumanzere), zinthuzo zimasintha kwambiri.Pa ngodya yotsika ya 2θ, timakhulupirira kuti nsonga zatsopanozi zimachokera ku mapangidwe a ZnO (Zinc Oxide).Pa 300 °C pa chitsanzo cha mkuwa (chiwembu chakumanzere cha XRD) tikuwona kuti palibe kusintha kwakukulu komwe kwachitika poyerekezera ndi chitsanzo cha pristine.Zitsanzozo zidakhalabe zowoneka bwino komanso zamakemikolo, zomwe zimabwereketsa kukhazikika kwazinthu kuchokera kuchipinda chofunda mpaka 300 ° C.