Investigation of Sintered Maraging Steels

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J Mater Sci Technol ›› 2001, Vol. 17 ›› Issue (01): 47-48.

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Investigation of Sintered Maraging Steels

S. Chtchegolikhina

Far Eastern State Technical University, Vladivostok, Russia

Received:2000-04-25 Revised:1900-01-01 Online:2001-01-28 Published:2009-10-10
Contact: S. Chtchegolikhina

Abstract

Abstract: Processing of five grades of sintered maraging steels containing 13% Cr, 9% Ni, 1% Ti and different quantities of Mo, Co is described. Variations of ageing temperatures and ageing holding times had resulted in choosing optimum regime of ageing f T=550℃, T=2.5 h. It allowed to receive mechanical properties of these steels like to them for compact steels, UTS=1200 MPa, EL=5.3%, RA=7%, and Charpy impact =1445 kJ/m2. X-ray analysis had shown phases Fe7Mo6, Fe2Mo in steels containing Co and decreasing of the period of α-phase lattice in these steels after ageing.

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S. Chtchegolikhina. Investigation of Sintered Maraging Steels[J]. J Mater Sci Technol, 2001, 17(01): 47-48.

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Investigation of Sintered Maraging Steels

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