METHOD FOR MANUFACTURE OF PARTS FROM IRON-BASE POWDER Russian patent published in 1996 - IPC

Abstract SU 1812723 A1

FIELD: powder metallurgy; applicable in manufacture of parts from magnetically soft materials, mainly, based on iron, particular permalloys. SUBSTANCE: method for manufacture of parts from iron-base powder includes mixing of initial components, preliminary pressing at pressure of 3-5 t/cu.cm, sintering in the medium of hydrogen or dissociated ammonia with dew point of minus 5 to plus 5 C at 1100-1200 C for 1-2 h, and repeated pressing and sintering. EFFECT: extended potentialities of the method due to employment of reduced and dispersed powders. 2 tbl

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SU 1 812 723 A1

Authors

Gertsyk M.A.

Vinogradov S.E.

Zhil'Tsov V.N.

Dates

1996-05-20—Published

1990-08-23—Filed