Defect and deformation studies in transition metal trialuminide compounds

Defect studies have been performed on the intermetallic compounds $\rm Al\sb3Ti$, $\rm Al\sb3V$ and $\rm Al\sb{67}Ni\sb8Ti\sb{25}$ which were deformed at elevated temperatures. Test materials were prepared via the rapid solidification route. TEM characterizations indicated that the microstructure of the asatomized Al-25at.%Ti alloy powder consisted of primary dendrites of the $\rm Al\sb3Ti$ phase (DO$\sb{22}$ structure) and α-aluminum. The as-atomized Al-25at.%V alloy exhibited a microstructure composed of primary $\rm Al\sb8V\sb5$ dendrites with interdendritic $\rm Al\sb3V$ (DO$\sb{22}$) and α-aluminum. The Al-8at.%Ni-25at.% Ti alloy exhibited dendrites of $\rm Al\sb{67}Ni\sb8Ti\sb{25}$(L1$\sb2$) and small $\rm Al\sb3Ni\sb2$ particles.

Name thesis:degree_name

Ph.D.

Level thesis:degree_level

Dissertation

Discipline thesis:degree_discipline

Materials Science and Engineering

Grantor

University of Illinois at Urbana-Champaign

Year dc:date

2011

Author dc:creator

• Wheeler, Robert, IV

Contributors dc:contributor

• Fraser, Hamish L.

• Engineering, Metallurgy
• Engineering, Materials Science

Statement dc:rights

• Copyright 1990 Wheeler, Robert, IV

Language dc:language

eng

Identifier

AAI9026350
(UMI)AAI9026350

OAI identifier oai:identifier

oai:www.ideals.illinois.edu:2142/22470