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Fracture characteristics of alloyed iron aluminides
Article
Agarwal, A, Balasubramaniam, R. (1996). Fracture characteristics of alloyed iron aluminides .
33(9), 453-466.
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Agarwal, A, Balasubramaniam, R. (1996). Fracture characteristics of alloyed iron aluminides .
33(9), 453-466.
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cited authors
Agarwal, A; Balasubramaniam, R
authors
Agarwal, Arvind
abstract
The fracture characteristics of Fe3Al and Fe3Al-5M (M = Ti, V, Nb, Ta, Cr, Mo and Si) intermetallics were studied by scanning electron microscopy. River line patterns which are characteristics features of cleavage fracture were observed in binary Fe3Al. Fe3Al-5Cr and Fe3Al-5Ti intermetallics showed mixed (intergranular + transgranular) mode of fracture. Fe3Al-5Mt (M1 = V, Nb, Ta, Mo and Si) cracked in a brittle manner during thermomechanical processing at 1000°C. This is due to the formation of brittle phases in these alloyed intermetallics which leads to crack initiation and subsequent failure. © Carl Hanser Verlag, München.
publication date
September 1, 1996
Additional Document Info
start page
453
end page
466
volume
33
issue
9