Strengthening and toughening treatment method for additive manufacturing metal material and strengthened and toughened stainless steel workpiece

The invention discloses a strengthening and toughening treatment method for an additive manufacturing metal material. The strengthening and toughening treatment method comprises the steps that a to-be-treated metal workpiece prepared through an additive manufacturing method is obtained; forming a pa...

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Bibliographische Detailangaben
Hauptverfasser:	FENG HEYANG, WANG JUNQIANG, GAO MENG, HUO JUNTAO
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 CASTING CHEMISTRY GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	The invention discloses a strengthening and toughening treatment method for an additive manufacturing metal material. The strengthening and toughening treatment method comprises the steps that a to-be-treated metal workpiece prepared through an additive manufacturing method is obtained; forming a packaging layer on the surface of the to-be-treated metal workpiece to obtain a packaged workpiece; and after the packaging workpiece is annealed at the pressure of 1-10 GPa and the temperature of 550-1800 DEG C, the packaging layer is peeled off, and the strengthened and toughened metal workpiece is obtained. By means of the method, the defects of metal workpieces produced through additive manufacturing, such as pores, cracks and structure non-uniformity, can be eliminated. The material prepared by the method has relatively high yield strength and relatively good plasticity. The invention further discloses the strengthened and toughened stainless steel workpiece prepared through the method. 本发明公开了一种增材制造金属材料的强韧化处理方法，