Structural investigations of Y2O3 dispersoids during mechanical milling and high-temperature annealing of Fe-15Y2O3-xTi (x= 0–15) model ODS alloys

PK Parida, A Dasgupta, V Srihari, C Ghosh… - Advanced Powder …, 2020 - Elsevier
Abstract A model Oxide Dispersion Strengthened (ODS) alloy powder of composition Fe–15
wt.% Y 2 O 3–x wt.% Ti (x= 0, 2, 5, 10 and 15) were synthesized by high energy mechanical
milling in Ar atmosphere for a prolonged duration of 60 h. Synchrotron X-ray diffraction
(XRD) and transmission electron microscopy (TEM) observations suggested the
amorphisation of Y 2 O 3 nano-crystallites, irrespective of Ti content, which is further studied
by Raman spectroscopy. The Raman spectroscopy analysis confirms the presence of …
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