METHOD OF PRODUCING POOR POROUS POWDER MATERIALS

FIELD: metallurgy; technological processes. ^ SUBSTANCE: shavings of low-melt material are filled into die-mold at amount of 26-48 wt % and preliminary pressing is performed at pressure of 600-620 MPa. Then iron powder is filled and a final pressing is carried out at 260-620 MPa producing two-layer...

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Bibliographische Detailangaben
Hauptverfasser:	SERGEENKO SERGEJ NIKOLAEVICH, DOROFEEV JURIJ GRIGOR'EVICH, ROMACHEVSKIJ EVGENIJ VASIL'EVICH
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	CASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER PERFORMING OPERATIONS POWDER METALLURGY TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	FIELD: metallurgy; technological processes. ^ SUBSTANCE: shavings of low-melt material are filled into die-mold at amount of 26-48 wt % and preliminary pressing is performed at pressure of 600-620 MPa. Then iron powder is filled and a final pressing is carried out at 260-620 MPa producing two-layer blank. The produced blank is sintered in a glass melt and simultaneously impregnated with a low-melt material. ^ EFFECT: method facilitates increasing amount of utilised shavings and decreasing prime cost of produced materials. ^ 1 dwg, 3 ex