Paper Title:
High Temperature Mechanical Properties of Ti(C,N)-Co-Mo2C Cermets
  Abstract

The creep behavior of a TiCxN1-x-Co-Mo2C cermet has been investigated at temperatures between 1100-1200°C in an inert atmosphere to assess the one step mechanically induced self-sustaining reaction synthesis and pressureless sintering process, and the influence of the Mo2C additive in the high temperature mechanical properties of this cermet. The samples deform plastically at the chosen temperatures, and values of the stress exponent (n=1.70.6) and activation energy (Q= 4.30.5 eV) have been estimated from uniaxial compression tests. No significant grain growth has been detected after deformation. The reproducibility of the creep tests compared to other compositions indicates that the Mo2C addition contributes to increase notably the resistance to high temperature oxidation of the samples, so that the plastic behavior is not affected by oxidation when deformation experiments are performed in an inert atmosphere.

  Info
Periodical
Edited by
Nicolás de la Rosa Fox
Pages
83-88
DOI
10.4028/www.scientific.net/KEM.423.83
Citation
A. Gallardo-López, A. Morales-Rodríguez, A. Domínguez-Rodríguez, J.M. Córdoba, M.A. Avilés, F.J. Gotor, "High Temperature Mechanical Properties of Ti(C,N)-Co-Mo2C Cermets", Key Engineering Materials, Vol. 423, pp. 83-88, 2010
Online since
December 2009
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.