Preparation of Ni-Mn-Ga magnetic shape memory alloy by reduction-diffusion method

The invention relates to a method for preparing Ni-Mn-Ga magnetic shape memory alloy with magnetic-field-induced high strain and shape memory effect, which adopts metal calcium and alkali chloride oralkaline earth metal chloride as a reducer, and directly prepares the Ni-Mn-Ga magnetic shape memory...

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1. Verfasser:	BAO ZHILIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ALLOYS CASTING CHEMISTRY FERROUS OR NON-FERROUS ALLOYS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METALLURGY PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	The invention relates to a method for preparing Ni-Mn-Ga magnetic shape memory alloy with magnetic-field-induced high strain and shape memory effect, which adopts metal calcium and alkali chloride oralkaline earth metal chloride as a reducer, and directly prepares the Ni-Mn-Ga magnetic shape memory alloy in a vacuum resistance furnace directly by metal nickel, metal manganese and gallium oxide through a reduction-diffusion method. Compared with the prior art, the method has the characteristics of no environmental pollution, simple process and low cost, directly prepares the Ni-Mn-Ga magneticshape memory alloy with the magnetic-field-induced high strain and the shape memory effect, and can be used for industrialized mass production.