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The deformation twinning behavior of beta + omega microstructures in Ti--V alloys. Technical report

Technical Report ·
OSTI ID:7116570
; ;

The interaction between the omega phase and deformation twinning in body centered cubic Ti--V alloys is examined. (112) (111) deformation twinning is observed to occur in both ductile and embrittled alloys over the range of solute contents and thermal treatments which produce omega. Correlation of the occurrence of twinning with the omega particle size, misfit, and volume fractions examined suggest only the presence of omega is necessary for twin nucleation during deformation. A potentially reversible twinning mechanism involving the stress-assisted, reversible transformation is discussed. (auth)

Research Organization:
Georgia Inst. of Tech., Atlanta (USA). School of Chemical Engineering
OSTI ID:
7116570
Report Number(s):
AD-A-026578
Country of Publication:
United States
Language:
English

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Related Subjects

36 MATERIALS SCIENCE
360102* -- Metals & Alloys-- Structure & Phase Studies
ALLOY SYSTEMS
ALLOYS
BCC LATTICES
BINARY ALLOY SYSTEMS
CORRELATIONS
CRYSTAL LATTICES
CRYSTAL STRUCTURE
CRYSTAL-PHASE TRANSFORMATIONS
CUBIC LATTICES
DEFORMATION
MICROSTRUCTURE
PHASE TRANSFORMATIONS
TITANIUM ALLOYS
TWINNING
VANADIUM ALLOYS