Cyclic properties of protium absorption-desorption in Ti-Cr-V alloys

Koji Shirasaki; Takuya Tamura; Takahiro Kuriiwa; Takayuki Goto; Atsunori Kamegawa; Hitoshi Takamura; Masuo Okada

doi:10.2320/matertrans.43.1115

Cyclic properties of protium absorption-desorption in Ti-Cr-V alloys

Koji Shirasaki, Takuya Tamura, Takahiro Kuriiwa, Takayuki Goto, Atsunori Kamegawa, Hitoshi Takamura, Masuo Okada

ENG - Materials Science

Research output: Contribution to journal › Article › peer-review

29 Citations (Scopus)

Abstract

The cyclic properties of protium storage in Ti-Cr-V alloys with a BCC structure were investigated in order to develop the alloys with good cyclic properties. It was found that the hysteresis factor of pure V was almost unchanged but the hysteresis factor of Ti-Cr-V heat-treated alloys decreased with increasing cycle number. The plateau pressure of Ti-Cr-V heat-treated alloy in absorbing process dropped significantly with increasing cycle number up to the 20th cycle. In contrast to this, there was not any change in PCT curves of pure V metal. This could be originated from the difference in mechanical properties between V metal and Ti-Cr-V alloys.

Original language	English
Pages (from-to)	1115-1119
Number of pages	5
Journal	Materials Transactions
Volume	43
Issue number	5
DOIs	https://doi.org/10.2320/matertrans.43.1115
Publication status	Published - 2002 May

Keywords

Body centered cubic phase
Cyclic properties
Protium absorption-desorption
Protium storage alloy

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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abstract = "The cyclic properties of protium storage in Ti-Cr-V alloys with a BCC structure were investigated in order to develop the alloys with good cyclic properties. It was found that the hysteresis factor of pure V was almost unchanged but the hysteresis factor of Ti-Cr-V heat-treated alloys decreased with increasing cycle number. The plateau pressure of Ti-Cr-V heat-treated alloy in absorbing process dropped significantly with increasing cycle number up to the 20th cycle. In contrast to this, there was not any change in PCT curves of pure V metal. This could be originated from the difference in mechanical properties between V metal and Ti-Cr-V alloys.",

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AU - Shirasaki, Koji

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AU - Goto, Takayuki

AU - Kamegawa, Atsunori

AU - Takamura, Hitoshi

AU - Okada, Masuo

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N2 - The cyclic properties of protium storage in Ti-Cr-V alloys with a BCC structure were investigated in order to develop the alloys with good cyclic properties. It was found that the hysteresis factor of pure V was almost unchanged but the hysteresis factor of Ti-Cr-V heat-treated alloys decreased with increasing cycle number. The plateau pressure of Ti-Cr-V heat-treated alloy in absorbing process dropped significantly with increasing cycle number up to the 20th cycle. In contrast to this, there was not any change in PCT curves of pure V metal. This could be originated from the difference in mechanical properties between V metal and Ti-Cr-V alloys.

AB - The cyclic properties of protium storage in Ti-Cr-V alloys with a BCC structure were investigated in order to develop the alloys with good cyclic properties. It was found that the hysteresis factor of pure V was almost unchanged but the hysteresis factor of Ti-Cr-V heat-treated alloys decreased with increasing cycle number. The plateau pressure of Ti-Cr-V heat-treated alloy in absorbing process dropped significantly with increasing cycle number up to the 20th cycle. In contrast to this, there was not any change in PCT curves of pure V metal. This could be originated from the difference in mechanical properties between V metal and Ti-Cr-V alloys.

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KW - Cyclic properties

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KW - Protium storage alloy

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