METHOD FOR MANUFACTURE OF PARTS FROM IRON-BASE POWDER
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, sinter...
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Zusammenfassung: | 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
Сущность изобретения: смешивают исходные компоненты, предварительно прессуют при давлении 3 - 5 т/сми спекают в среде водорода или диссоциированного аммиака с точкой росы (-5)-(5)С при 1100-1200С в течение 1 - 2 ч, после чего проводят повторное прессование и спекание. 2 табл. |
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