Observation of Superlattice Dislocations on Cube Planes in Ni3Al
1973 ◽
Vol 31
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pp. 174-175
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Keyword(s):
The energy of an a/2 <110> shear antiphase. boundary in the Ll2 expected to be at a minimum on {100} cube planes because here strue ture is there is no violation of nearest-neighbor order. The latter however does involve the disruption of second nearest neighbors. It has been suggested that cross slip of paired a/2 <110> dislocations from octahedral onto cube planes is an important dislocation trapping mechanism in Ni3Al; furthermore, slip traces consistent with cube slip are observed above 920°K.Due to the high energy of the {111} antiphase boundary (> 200 mJ/m2), paired a/2 <110> dislocations are tightly constricted on the octahedral plane and cannot be individually resolved.
Keyword(s):
2015 ◽
Vol 2015
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pp. 1-12
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2021 ◽
1995 ◽
Vol 10
(3)
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pp. 591-595
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2005 ◽
Vol 08
(02)
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pp. 277-290
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Keyword(s):
Keyword(s):