Formation of molybdenum carbide during carbidization of molybdenum chips with powdered carbon at electrothermal rotary bed condition
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2014-02-25
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Abstract
The ability of electrothermal rotary bed (ETRB) which is composed from metal chips and powdered carbon particles as an electroresistant self-heating mixture to accomplish a high temperature carbidization process has been studied. X-ray analysis and microstructure of the molybdenum carbide phase formed during carbidization of Mo-chips with powdered carbon in an ETRB condition process has been determined, and the microhardness of the final product (Hμ = 20050 MPa) was measured. The ability to use scrap-metal or chips from previous work as starting components to obtain molybdenum carbide in an elecrothermal rotary bed is proved.