JPH0210210B

PURPOSE:To develop a hydrogen occluding multi-component type alloy excellent in practicality, by adding a specific fourth element to a three-component alloy consisting of a rare earth element, Ni and Al for hydrogen occlusion to reduce the difference of hydrogen occluding pressure and hydrogen relea...

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Bibliographic Details
Main Authors MIZUNO YOICHI, IMAMURA YOSHIO, OOSUMI YASUAKI, OGURO KEISUKE
Format Patent
LanguageEnglish
Published 07.03.1990
Subjects
ALLOYS
CHEMISTRY
COMPOUNDS THEREOF
FERROUS OR NON-FERROUS ALLOYS
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:PURPOSE:To develop a hydrogen occluding multi-component type alloy excellent in practicality, by adding a specific fourth element to a three-component alloy consisting of a rare earth element, Ni and Al for hydrogen occlusion to reduce the difference of hydrogen occluding pressure and hydrogen release pressure. CONSTITUTION:A rare earth element such as La, Ni, Al and one kind or more element among Sn, Si, Mn, Zn, Fe, Cu and Cr are melted in a high purity Ar atmosphere within a vacuum arc furnace to prepare a four-component alloy having a composition shown by formula [ I ] and the resulting alloy is crushed to 100 mesh or less to obtain a hydrogen gas occluding alloy. In this case, y in the formula is set to formula y>=z and, when the fourth adding element is Sn, the relations of x=(y+z) and y>=z are held. This hydrogen occluding alloy is small in the difference of hydrogen occluding pressure and hydrogen release pressure and excellent in practicability.
Bibliography:Application Number: JP19820101186