Method for improving mechanical property of Fe-Mn-Al-C lightweight high-strength steel through microalloying

The invention discloses a method for improving the mechanical property of Fe-Mn-Al-C light-weight high-strength steel through microalloying. The method comprises the following steps that S1, powder is prepared; S2, the powder is dried; S3, Fe-Mn-Al-C steel is prepared; the method designed by the inv...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	WEI YINGKANG, WANG JIANYONG, JIA WENPENG, TIAN FENGSHUO, LIU SHIFENG, ZHANG LIANGLIANG, WANG YAN
Format:	Patent
Sprache:	chi ; eng
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
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	The invention discloses a method for improving the mechanical property of Fe-Mn-Al-C light-weight high-strength steel through microalloying. The method comprises the following steps that S1, powder is prepared; S2, the powder is dried; S3, Fe-Mn-Al-C steel is prepared; the method designed by the invention is reasonable in theory and convenient to operate, and when the light high-strength Fe-Mn-Al-C steel is printed, the printing of each layer is equivalent to the annealing heat treatment of the previous layer, so that the formed Fe-Mn-Al-C steel is uniform in component and refined in structure; the printing is carried out under a protective atmosphere, so that the oxidation behavior caused by too high temperature is effectively prevented, and the oxygen content of the printed Fe-Mn-Al-C steel is relatively low; therefore, the Fe-Mn-Al-C steel subjected to laser three-dimensional forming has relatively high hardness and strength, high density and good toughness; precipitation of intergranular inclusions is wel