METHOD OF PREPARING MULTICARBIDE POWDERS FOR HARD MATERIALS

METHOD OF PREPARING MULTICARBIDE POWDERS FOR HARD MATERIALS

There is now provided a method for preparing a powder containing W and Co and/or Ni from APT and a soluble salt of Co(Ni) by a chemical reaction in a water suspension at temperatures from room temperature to the boiling point of the solution whereafter the formed powder is filtered off, dried and re...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MUHAMMED, MAMOUN, GRENTHE, INGMAR, WAHLBERG, SVERKER
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ALLOYS
CASTING
CHEMISTRY
COMPOUNDS THEREOF
FERROUS OR NON-FERROUS ALLOYS
INORGANIC CHEMISTRY
MAKING METALLIC POWDER
MANUFACTURE OF ARTICLES FROM METALLIC POWDER
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
TREATMENT OF ALLOYS OR NON-FERROUS METALS
WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:There is now provided a method for preparing a powder containing W and Co and/or Ni from APT and a soluble salt of Co(Ni) by a chemical reaction in a water suspension at temperatures from room temperature to the boiling point of the solution whereafter the formed powder is filtered off, dried and reduced to a metallic powder. Additional metals from groups IVa, Va or VIa of the periodic table of the elements are added to the suspension as compounds like oxides, hydroxides, soluble or insoluble salts.