Study of annealing twins and island grains in f. c. c. alloy

An analysis has been carried out of the grain volume and shape of annealed twins and island grains. The method of serial sectioning was employed. It has been found, that the investigated alloy characterized by existence of two populations of the annealing twins: lamellae twins and edge twins. The pr...

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Bibliographic Details
Published in:Acta metallurgica et materialia 1993-09, Vol.41:9
Main Authors: Bystrzycki, J., Przetakiewicz, W., Kurzydlowski, K.J.
Format: Article
Language:English
Subjects:
360102 - Metals & Alloys- Structure & Phase Studies
ALLOYS
ANNEALING
COMPUTER GRAPHICS
CRYSTAL LATTICES
CRYSTAL STRUCTURE
CUBIC LATTICES
DATA
EXPERIMENTAL DATA
FCC LATTICES
GRAIN BOUNDARIES
GRAIN SIZE
HEAT TREATMENTS
INFORMATION
LAMELLAE
MANGANESE ALLOYS
MATERIALS SCIENCE
MICROSTRUCTURE
MORPHOLOGY
NICKEL ALLOYS
NUMERICAL DATA
RECRYSTALLIZATION
SIZE
TWINNING
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Summary:An analysis has been carried out of the grain volume and shape of annealed twins and island grains. The method of serial sectioning was employed. It has been found, that the investigated alloy characterized by existence of two populations of the annealing twins: lamellae twins and edge twins. The present research has shown the log-normal distribution of the volume grains in recrystallized NiMn[sub 2] alloy. The volume of grains was found not to effect the specific surface of twin boundaries. This finding strongly supports the model based on grain boundary dissociations concept. A computer-aided design, Auto CAD, was used to 3-dimensional reconstruction of annealing twins shape.
ISSN:0956-7151
1873-2879
DOI:10.1016/0956-7151(93)90133-D