Cermets development by Ers process: Effect of the mould on the material properties

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URI: https://hdl.handle.net/11556/4718
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2017
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Abstract
WC-Co is known for its excellent characteristics such as hardness and wear resistance, for machining and wear resistant applications. Today, both the W and the Co are considered critical materials by the European Union and, in addition, the Co is particularly toxic. This fact makes that alternatives to replace these elements are gaining importance in recent years. This work presents the study of the processing Fe-TiC system by non-conventional sintering process as a potential alternative to some WC-Co compositions. The electrical resistance sintering (ERS) process has been used to obtain fully dense Fe-TiC compositions. ERS is based on Joule heating which allows conducting extremely fast sintering cycles. The Fe-TiC system with different binder content phase was studied and analysed (microstructure, hardness and fracture toughness). The effect of the die used during the sintering process has been studied. It was found that the thermal characteristics of the die play an important role in the obtained materials properties.
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Publisher Copyright: © 2017 European Powder Metallurgy Association (EPMA).
Keywords
Cermets , Critical Raw Materials , Electrical Resistance Sintering , ERS , FAST , Hard materials , Surfaces, Coatings and Films , Metals and Alloys , Surfaces and Interfaces
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Agote , I , Lagos , M A & Da Costa , E 2017 , ' Cermets development by Ers process : Effect of the mould on the material properties ' , Paper presented at International Powder Metallurgy Congress and Exhibition, Euro PM 2017 , Milan , Italy , 1/10/17 - 4/10/17 .
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