Journal Published Online: 05 June 2008
Volume 36, Issue 5

FIMEC Tests on SPS sintered FeMo Ultra-Fine-Grained Alloys

CODEN: JTEVAB

Abstract

The difference between yield strength measured by flat-top cylinder indenter for mechanical characterization (FIMEC) and by conventional tensile tests on micrometric, submicrometric, and nanostructured Fe-Mo alloys produced by spark plasma sintering (SPS) of high energy milled powders is less than 7 %, provided that materials have some tensile ductility. In the case of materials with a nanometric structure (grain size less than 100 nm) and some residual porosity, FIMEC results are not representative of tensile properties. In addition, FIMEC, due to its localized character, allows the material homogeneity to be evaluated.

Author Information

Iacovone, B.
Dipartimento di Ingegneria Meccanica, Università di Roma-Tor Vergata, Roma, Italy
Libardi, S.
Dipartimento di Ingegneria dei Materiali e Tecnologie Industriali, Università di Trento, Trento, Italy
Molinari, A.
Dipartimento di Ingegneria dei Materiali e Tecnologie Industriali, Università di Trento, Trento, Italy
Zadra, M.
K4Sint S.r.l., start-up of Trento University, Pergine Valsugana (TN)-Italy
Montanari, R.
Dipartimento di Ingegneria Meccanica, Università di Roma-Tor Vergata, Roma, Italy
Plini, P.
Dipartimento di Ingegneria Meccanica, Università di Roma-Tor Vergata, Roma, Italy
Pages: 6
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Stock #: JTE101365
ISSN: 0090-3973
DOI: 10.1520/JTE101365