TY - GEN
T1 - Effect of cold working and subsequent annealing on structural properties of Hafnium
AU - Mihara, Takeshi
AU - Abe, Hiroaki
AU - Iwai, Takeo
AU - Katano, Yoshio
AU - Sekimura, Naoto
PY - 2009/1/1
Y1 - 2009/1/1
N2 - Hafnium is the material applied as control rods in BWR. To get insights into its behavior during operations, in this work, we applied optical microscopy and X-ray diffractometry (θ-2θ scanning and pole figure) to investigate microstructural change in hafnium plates upon cold-working and subsequent thermal annealing up to 1273 K. The grain growth associated with recrystallization of cold-worked microstructure was evident at the temperature around 1000 K, and above depending on the amount of working. Besides grain coarsening was observed at 1273 K. The crystallographic orientation change during recrystallization was observed along transverse direction, which is different from that of Mg and is similar to Ti and Zr.
AB - Hafnium is the material applied as control rods in BWR. To get insights into its behavior during operations, in this work, we applied optical microscopy and X-ray diffractometry (θ-2θ scanning and pole figure) to investigate microstructural change in hafnium plates upon cold-working and subsequent thermal annealing up to 1273 K. The grain growth associated with recrystallization of cold-worked microstructure was evident at the temperature around 1000 K, and above depending on the amount of working. Besides grain coarsening was observed at 1273 K. The crystallographic orientation change during recrystallization was observed along transverse direction, which is different from that of Mg and is similar to Ti and Zr.
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M3 - Conference contribution
AN - SCOPUS:84907945637
T3 - International Congress on Advances in Nuclear Power Plants 2009, ICAPP 2009
SP - 2316
EP - 2321
BT - International Congress on Advances in Nuclear Power Plants 2009, ICAPP 2009
PB - Atomic Energy Society of Japan
T2 - International Congress on Advances in Nuclear Power Plants 2009, ICAPP 2009
Y2 - 10 May 2009 through 14 May 2009
ER -