Effect of cold working and subsequent annealing on structural properties of Hafnium

Takeshi Mihara; Hiroaki Abe; Takeo Iwai; Yoshio Katano; Naoto Sekimura

Effect of cold working and subsequent annealing on structural properties of Hafnium

Takeshi Mihara, Hiroaki Abe, Takeo Iwai, Yoshio Katano, Naoto Sekimura

Materials Design Division

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

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.

Original language	English
Title of host publication	International Congress on Advances in Nuclear Power Plants 2009, ICAPP 2009
Publisher	Atomic Energy Society of Japan
Pages	2316-2321
Number of pages	6
ISBN (Electronic)	9781617386084
Publication status	Published - 2009 Jan 1
Event	International Congress on Advances in Nuclear Power Plants 2009, ICAPP 2009 - Shinjuku, Tokyo, Japan Duration: 2009 May 10 → 2009 May 14

Publication series

Name	International Congress on Advances in Nuclear Power Plants 2009, ICAPP 2009
Volume	3

Other

Other	International Congress on Advances in Nuclear Power Plants 2009, ICAPP 2009
Country/Territory	Japan
City	Shinjuku, Tokyo
Period	09/5/10 → 09/5/14

ASJC Scopus subject areas

Energy Engineering and Power Technology
Nuclear Energy and Engineering

Cite this

Effect of cold working and subsequent annealing on structural properties of Hafnium. / Mihara, Takeshi; Abe, Hiroaki; Iwai, Takeo; Katano, Yoshio; Sekimura, Naoto.

International Congress on Advances in Nuclear Power Plants 2009, ICAPP 2009. Atomic Energy Society of Japan, 2009. p. 2316-2321 (International Congress on Advances in Nuclear Power Plants 2009, ICAPP 2009; Vol. 3).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Mihara, T, Abe, H, Iwai, T, Katano, Y & Sekimura, N 2009, Effect of cold working and subsequent annealing on structural properties of Hafnium. in International Congress on Advances in Nuclear Power Plants 2009, ICAPP 2009. International Congress on Advances in Nuclear Power Plants 2009, ICAPP 2009, vol. 3, Atomic Energy Society of Japan, pp. 2316-2321, International Congress on Advances in Nuclear Power Plants 2009, ICAPP 2009, Shinjuku, Tokyo, Japan, 09/5/10.

Mihara, Takeshi ; Abe, Hiroaki ; Iwai, Takeo ; Katano, Yoshio ; Sekimura, Naoto. / Effect of cold working and subsequent annealing on structural properties of Hafnium. International Congress on Advances in Nuclear Power Plants 2009, ICAPP 2009. Atomic Energy Society of Japan, 2009. pp. 2316-2321 (International Congress on Advances in Nuclear Power Plants 2009, ICAPP 2009).

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abstract = "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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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

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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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Effect of cold working and subsequent annealing on structural properties of Hafnium

Abstract

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ASJC Scopus subject areas

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