Synthesis of Niobium Carbide (NbC) by Powder Metallurgy High Energy Milling Technique

Rodrigo Tecchio Antonello; Oscar Olimpio de Araújo Filho; Cezar Henrique Gonzalez; U.S.L. Filho; Francisco Ambrozio Filho

doi:10.4028/www.scientific.net/MSF.660-661.443

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HomeMaterials Science ForumMaterials Science Forum Vols. 660-661Synthesis of Niobium Carbide (NbC) by Powder...

Synthesis of Niobium Carbide (NbC) by Powder Metallurgy High Energy Milling Technique

Abstract:

The aim of this work is to obtain and characterize the Niobium Carbide (NbC) by a suitable high energy milling technique using a SPEX Mill vibratory type and niobium and carbon (graphite) powders. Since this carbide is scarced in the national market and it’s necessary to apply this NbC as a reinforcement in two molybdenum high speed steels (AISI M2 and AISI M3:2) object of another work motivated this research. The powders were submitted to a high energy milling procedure for suitable times and conditions and then were characterized by means of Scanning Electronic Microscopy (SEM) and X-ray diffraction (DRX) techniques. The ball-to-powder weight ratio was 10:1. The analyzed samples showed that the high-energy milling is an alternative route of the NbC synthesis.

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Periodical:

Materials Science Forum (Volumes 660-661)

Pages:

443-447

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.660-661.443

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Online since:

October 2010

Authors:

Rodrigo Tecchio Antonello, Oscar Olimpio de Araújo Filho, Cezar Henrique Gonzalez, U.S.L. Filho, Francisco Ambrozio Filho

Keywords:

High Energy Milling (HEM), Niobium Carbide, Powder Metallurgy (PM)

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