INDENTATION CREEP IN NANOCRYSTALLINE FE-TIN AND NI-TIN ALLOYS PREPARED BY MECHANICAL ALLOYING

Authors
OGINO Y YAMASAKI T SHEN BL
Citation
Y. Ogino et al., INDENTATION CREEP IN NANOCRYSTALLINE FE-TIN AND NI-TIN ALLOYS PREPARED BY MECHANICAL ALLOYING, Metallurgical and materials transactions. B, Process metallurgy and materials processing science, 28(2), 1997, pp. 299-306
Citations number
16
Categorie Soggetti
Material Science","Metallurgy & Metallurigical Engineering
Journal title
Metallurgical and materials transactions. B, Process metallurgy and materials processing science → ACNP
ISSN journal
10735615
Volume
28
Issue
2
Year of publication
1997
Pages
299 - 306
Database
ISI
SICI code
1073-5615(1997)28:2<299:ICINFA>2.0.ZU;2-H
Abstract
Mechanical properties of nanocrystalline Fe-TiN and Ni-TiN alloys with various TiN contents between 17 and 64 vol pct, which are prepared by dynamically consolidating mechanically alloyed powders, have been inv estigated by means of hardness measurements and indentation creep test s at intermediate temperatures. The hardness increases with decreasing grain size to about 10 nm. The indentation creep curves conform well to an equation derived from a transient creep rate equation. The analy sis of creep curves indicates that the deformation occurs by a disloca tion mechanism controlled by grain boundary diffusion.