TY - JOUR
T1 - New hydride phase with a deformed FCC structure in the Ti-V-Mn solid solution-hydrogen system
AU - Nakamura, Yumiko
AU - Akiba, Etsuo
N1 - Funding Information:
Part of this work was supported by the WE-NET project by the New Energy and Industrial Technology Development Organization (NEDO) under the Ministry of International Trade and Industry, and a Giant-in-Aid for Scientific Research on Priority Area A of New Protium Function in Sub-Nano Lattice Matters from the Ministry of Education, Science, Sports and Culture, Japan.
PY - 2000/10/26
Y1 - 2000/10/26
N2 - We investigated the hydriding properties and crystal structure of a Ti-V-Mn solid solution alloy by means of P-C isotherm and X-ray diffraction (XRD) measurements. We found three hydride phases with a BCC, a deformed FCC and an FCC structure. The lattice constant of the deformed FCC is 0.407 nm, one axis of which is reduced by about 4%, which has not been reported so far. Its single-phase region extends over a hydrogen content between 0.8 and 1.0 H/M in absorption at 298 K. The lower plateau observed in the P-C isotherm due to the formation of the deformed FCC hydride phase increases the effective hydrogen capacity by decreasing the amount of hydrogen that would have remained in the alloy after the usual desorption process.
AB - We investigated the hydriding properties and crystal structure of a Ti-V-Mn solid solution alloy by means of P-C isotherm and X-ray diffraction (XRD) measurements. We found three hydride phases with a BCC, a deformed FCC and an FCC structure. The lattice constant of the deformed FCC is 0.407 nm, one axis of which is reduced by about 4%, which has not been reported so far. Its single-phase region extends over a hydrogen content between 0.8 and 1.0 H/M in absorption at 298 K. The lower plateau observed in the P-C isotherm due to the formation of the deformed FCC hydride phase increases the effective hydrogen capacity by decreasing the amount of hydrogen that would have remained in the alloy after the usual desorption process.
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U2 - 10.1016/S0925-8388(00)01148-8
DO - 10.1016/S0925-8388(00)01148-8
M3 - Article
AN - SCOPUS:0034298266
SN - 0925-8388
VL - 311
SP - 317
EP - 321
JO - Journal of Alloys and Compounds
JF - Journal of Alloys and Compounds
IS - 2
ER -