ALLOY STRUCTURE AND METHOD FOR PRODUCING ALLOY STRUCTURE

Provided is an alloy structure with an arbitrary shape dimension which has high uniformity in the distribution of the element composition and the mechanical strength and excellent high-temperature strength and corrosion resistance. The alloy structure contains Fe and at least four elements, which ar...

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Bibliographische Detailangaben
Hauptverfasser:	MURAKAMI, Hajime, KUWABARA, Kousuke, YAMAGA, Kenji, KATO,Takahiko, FUJIEDA, Tadashi, AOTA, Kinya, TAKAHASHI, Isamu, SATAKE, Hiroyuki
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING 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:	Provided is an alloy structure with an arbitrary shape dimension which has high uniformity in the distribution of the element composition and the mechanical strength and excellent high-temperature strength and corrosion resistance. The alloy structure contains Fe and at least four elements, which are selected from the group consisting of elements from atomic number 13 to atomic number 79 included in Group 3 to Group 16 of the periodic table of the elements and have a ratio of the atomic radius to an Fe atom of 0.83 or more but 1.17 or less, each of Fe and the four elements is contained in an atomic concentration range of 5 at% or more but 30 at% or less, a difference in atomic concentration between at least four elements among the at least four elements and Fe is in a range of less than 3 at%, and the alloy structure has, as a main crystal, a column crystal in which the at least four elements and Fe are solid-dissolved.