TY - JOUR
T1 - Protium absorption properties of Ti-V-Cr-Mn alloys with a b.c.c. structure
AU - Tamura, T.
AU - Tominaga, Y.
AU - Matsumoto, K.
AU - Fuda, T.
AU - Kuriiwa, T.
AU - Kamegawa, A.
AU - Takamura, H.
AU - Okada, M.
N1 - Funding Information:
This work was 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 protium absorption-desorption properties of Ti-V-Cr-Mn alloys were studied by varying the contents of Mn, Ti and V in the alloys. It was found that Mn addition of <10 at% was effective in improving the slope of the plateau region without any reduction of the protium absorption-desorption capacity. For Ti-V-Cr-Mn alloys, the α-Ti phase, which does not contribute to the protium storage capacity, appeared along grain boundaries during heat treatment. The formation of the α-Ti phase was found to be suppressed by reducing the Ti content and increasing the V content. By inhibiting the appearance of the α-Ti phase along the grain boundary, the protium absorption-desorption capacity of Ti-xV-Cr-Mn (x=45, 55; Ti/Cr/Mn=24:31:10) heat-treated alloys exhibited 2.7 mass% H, the highest value reported so far.
AB - The protium absorption-desorption properties of Ti-V-Cr-Mn alloys were studied by varying the contents of Mn, Ti and V in the alloys. It was found that Mn addition of <10 at% was effective in improving the slope of the plateau region without any reduction of the protium absorption-desorption capacity. For Ti-V-Cr-Mn alloys, the α-Ti phase, which does not contribute to the protium storage capacity, appeared along grain boundaries during heat treatment. The formation of the α-Ti phase was found to be suppressed by reducing the Ti content and increasing the V content. By inhibiting the appearance of the α-Ti phase along the grain boundary, the protium absorption-desorption capacity of Ti-xV-Cr-Mn (x=45, 55; Ti/Cr/Mn=24:31:10) heat-treated alloys exhibited 2.7 mass% H, the highest value reported so far.
KW - b.c.c. phase
KW - Heat treatment
KW - Hydrogen storage alloy
KW - Titanium-vanadium-chromium-manganese alloys
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U2 - 10.1016/S0925-8388(01)01544-4
DO - 10.1016/S0925-8388(01)01544-4
M3 - Conference article
AN - SCOPUS:0037122627
SN - 0925-8388
VL - 330-332
SP - 522
EP - 525
JO - Journal of Alloys and Compounds
JF - Journal of Alloys and Compounds
T2 - Proceedings of the International Symposium on Metal-Hydrogen (MH 2000)
Y2 - 1 October 2000 through 6 October 2000
ER -