MANUFACTURE OF SHAPE MEMORY ALLOY

PURPOSE:To produce the shape memory alloy having a uniform and fine structure without segregation by forming a mixture of >=2 kinds of metal powder into composite powder by a mechanical alloying method and by sintering this composite powder. CONSTITUTION:The mixture of >=2 kinds of metal powde...

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Bibliographische Detailangaben
Hauptverfasser:	ISHIGAMI TAKASHI, SHIMOTORI KAZUMI, ISHIHARA HIDEO
Format:	Patent
Sprache:	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:	PURPOSE:To produce the shape memory alloy having a uniform and fine structure without segregation by forming a mixture of >=2 kinds of metal powder into composite powder by a mechanical alloying method and by sintering this composite powder. CONSTITUTION:The mixture of >=2 kinds of metal powder, e.g., a powder mixture of Ti-Ni or Cu-Zn is slightly mixed in an inert gas such as Ar, and is subjected to mechanical alloying in this atmosphere by a mechanical alloying device to form into the composite powder with