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SUMMARY:Radiation stability study of melt processed and hot isostatically 
 pressed multi-phase ceramic waste forms
DTSTART;VALUE=DATE-TIME:20171031T050000Z
DTEND;VALUE=DATE-TIME:20171031T051500Z
DTSTAMP;VALUE=DATE-TIME:20260614T171643Z
UID:indico-contribution-1116@events01.synchrotron.org.au
DESCRIPTION:Speakers: Ming Tang (Los Alamos National Laboratory)\nMulti-ph
 ase ceramic waste forms were fabricated by melt-processing and hot isostat
 ic pressing (HIP) to immobilize alkaline/alkaline earth (Cs/Sr-CS) + lanth
 anide (LN) + transition metal (TM) fission product waste streams from nucl
 ear fuel reprocessing.  Al2O3 and TiO2 were combined with these waste comp
 onents to produce multi-phase crystalline ceramics containing hollandite-t
 ype phases\, perovskites\, zirconolite/pyrochlores and other minor phases.
  In this study\, ion irradiations are performed to test and compare radiat
 ion tolerance of multi-phase ceramics produced via melting processing and 
 HIP techniques.  \nFor the radiation stability test\, selected crystalline
  ceramic samples are exposed to charge particles generated by an ion accel
 erator\, which is used to simulate self-radiation in a waste form.  Ion ir
 radiation-induced microstructural modifications\, volume swelling and micr
 ocracking are examined using X-ray diffraction\, transmission electron mic
 roscopy\, scanning electron microscopy and other characterization methods.
   Our preliminary results reveal similar radiation tolerance in these mult
 i-phase ceramics with different fabrication techniques.\n\nhttps://events0
 1.synchrotron.org.au/event/51/contributions/1116/
LOCATION:
URL:https://events01.synchrotron.org.au/event/51/contributions/1116/
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