Ti-V-Cr b.c.c. alloys with high protium content

M. Okada; T. Kuriiwa; T. Tamura; H. Takamura; A. Kamegawa

doi:10.1016/S0925-8388(01)01647-4

Ti-V-Cr b.c.c. alloys with high protium content

M. Okada, T. Kuriiwa, T. Tamura, H. Takamura, A. Kamegawa

ENG - Materials Science

Research output: Contribution to journal › Conference article › peer-review

159 Citations (Scopus)

Abstract

The effects of composition and heat-treatment on the protium absorption-desorption properties of Ti-V-Cr alloys were investigated. It was found that the Ti-35V-40Cr alloy shows a 2.6 mass% protium capacity. The plateau pressure of the Ti-35V-xCr alloys increased with decreasing lattice constants associated with increasing Cr content. The main phase of the as-cast Ti-xV-Cr (Cr/Ti=40/25) alloys containing more than 15%V was a b.c.c. phase. These b.c.c. alloys exhibited a 2.4 mass% protium capacity. Heat-treatment over 1673 K was effective on stabilizing the b.c.c. structure for the Ti-xV-Cr (Cr/Ti=2/3) alloys with low V content. The Ti-5V-57.5Cr alloy heat-treated at 1673 K for 1 h yields a high capacity of 2.8 mass% protium, which is the highest value at 313 K reported so far. The alloy is economically promising since it contains low amounts of expensive V metal.

Original language	English
Pages (from-to)	511-516
Number of pages	6
Journal	Journal of Alloys and Compounds
Volume	330-332
DOIs	https://doi.org/10.1016/S0925-8388(01)01647-4
Publication status	Published - 2002 Jan 17
Event	Proceedings of the International Symposium on Metal-Hydrogen (MH 2000) - Noosa Heads, QLD, Australia Duration: 2000 Oct 1 → 2000 Oct 6

Keywords

Protium absorption-desorption properties
Ti-V-Cr alloys

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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title = "Ti-V-Cr b.c.c. alloys with high protium content",

abstract = "The effects of composition and heat-treatment on the protium absorption-desorption properties of Ti-V-Cr alloys were investigated. It was found that the Ti-35V-40Cr alloy shows a 2.6 mass% protium capacity. The plateau pressure of the Ti-35V-xCr alloys increased with decreasing lattice constants associated with increasing Cr content. The main phase of the as-cast Ti-xV-Cr (Cr/Ti=40/25) alloys containing more than 15%V was a b.c.c. phase. These b.c.c. alloys exhibited a 2.4 mass% protium capacity. Heat-treatment over 1673 K was effective on stabilizing the b.c.c. structure for the Ti-xV-Cr (Cr/Ti=2/3) alloys with low V content. The Ti-5V-57.5Cr alloy heat-treated at 1673 K for 1 h yields a high capacity of 2.8 mass% protium, which is the highest value at 313 K reported so far. The alloy is economically promising since it contains low amounts of expensive V metal.",

keywords = "Protium absorption-desorption properties, Ti-V-Cr alloys",

author = "M. Okada and T. Kuriiwa and T. Tamura and H. Takamura and A. Kamegawa",

note = "Funding Information: This work has been supported in part by a Grant-in-Aid for Scientific Research on Priority Area A of {\textquoteleft}New Protium Function{\textquoteright} from the Ministry of Education, Science, Sports and Culture.; Proceedings of the International Symposium on Metal-Hydrogen (MH 2000) ; Conference date: 01-10-2000 Through 06-10-2000",

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doi = "10.1016/S0925-8388(01)01647-4",

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T1 - Ti-V-Cr b.c.c. alloys with high protium content

AU - Okada, M.

AU - Kuriiwa, T.

AU - Tamura, T.

AU - Takamura, H.

AU - Kamegawa, A.

N1 - Funding Information: This work has been supported in part by a Grant-in-Aid for Scientific Research on Priority Area A of ‘New Protium Function’ from the Ministry of Education, Science, Sports and Culture.

PY - 2002/1/17

Y1 - 2002/1/17

N2 - The effects of composition and heat-treatment on the protium absorption-desorption properties of Ti-V-Cr alloys were investigated. It was found that the Ti-35V-40Cr alloy shows a 2.6 mass% protium capacity. The plateau pressure of the Ti-35V-xCr alloys increased with decreasing lattice constants associated with increasing Cr content. The main phase of the as-cast Ti-xV-Cr (Cr/Ti=40/25) alloys containing more than 15%V was a b.c.c. phase. These b.c.c. alloys exhibited a 2.4 mass% protium capacity. Heat-treatment over 1673 K was effective on stabilizing the b.c.c. structure for the Ti-xV-Cr (Cr/Ti=2/3) alloys with low V content. The Ti-5V-57.5Cr alloy heat-treated at 1673 K for 1 h yields a high capacity of 2.8 mass% protium, which is the highest value at 313 K reported so far. The alloy is economically promising since it contains low amounts of expensive V metal.

AB - The effects of composition and heat-treatment on the protium absorption-desorption properties of Ti-V-Cr alloys were investigated. It was found that the Ti-35V-40Cr alloy shows a 2.6 mass% protium capacity. The plateau pressure of the Ti-35V-xCr alloys increased with decreasing lattice constants associated with increasing Cr content. The main phase of the as-cast Ti-xV-Cr (Cr/Ti=40/25) alloys containing more than 15%V was a b.c.c. phase. These b.c.c. alloys exhibited a 2.4 mass% protium capacity. Heat-treatment over 1673 K was effective on stabilizing the b.c.c. structure for the Ti-xV-Cr (Cr/Ti=2/3) alloys with low V content. The Ti-5V-57.5Cr alloy heat-treated at 1673 K for 1 h yields a high capacity of 2.8 mass% protium, which is the highest value at 313 K reported so far. The alloy is economically promising since it contains low amounts of expensive V metal.

KW - Protium absorption-desorption properties

KW - Ti-V-Cr alloys

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JO - Journal of Alloys and Compounds

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T2 - Proceedings of the International Symposium on Metal-Hydrogen (MH 2000)

Y2 - 1 October 2000 through 6 October 2000

ER -

Ti-V-Cr b.c.c. alloys with high protium content

Abstract

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