Ferromagnetic shape memory alloy with ultra high strength and its preparation method

The invention relates to a ferromagnetic shape memory alloy with ultra high strength. The alloy comprises the following chemical components expressed in atomic percent: 52 parts of Ni, 29 parts of Mn, 15 parts of Ga and 4 parts of Cu; the alloy has fracture strength of 3171 MPa and saturation magnet...

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Bibliographic Details
Main Authors ZHANG HONGJIAN, ZHANG XIULING, JIN XIZHE, SUN NA, XU PENG, DONG GUIFU
Format Patent
LanguageChinese
English
Published 21.11.2012
Subjects
ALLOYS
BASIC ELECTRIC ELEMENTS
CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS
CHEMISTRY
ELECTRICITY
FERROUS OR NON-FERROUS ALLOYS
INDUCTANCES
MAGNETS
METALLURGY
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:The invention relates to a ferromagnetic shape memory alloy with ultra high strength. The alloy comprises the following chemical components expressed in atomic percent: 52 parts of Ni, 29 parts of Mn, 15 parts of Ga and 4 parts of Cu; the alloy has fracture strength of 3171 MPa and saturation magnetization of 51 emu/g; and the microstructure of the alloy is tetragonal structured non-modulated T martensite. The Ni52Mn29Ga15Cu4 alloy prepared in the invention has the characteristics of high fracture strength and great toughness.
Bibliography:Application Number: CN20121258286