Analysis of Crystallographic Orientation Changes during Deformation of Magnesium Single Crystals

• Authors: B. Sułkowski
• Languages of publication: EN

Abstracts

EN

Magnesium single crystals of three different orientations were deformed by tension at room temperature to investigate the geometrical criterion resulting from the Schmid law for activation of basal and non-basal slip systems. Changes of crystallographic orientations of investigated single crystals were systematically measured during deformation and the geometrical criterion was examined in respect to the changes of crystallographic orientations during deformation. The geometrical criterion itself failed to explain lack of activity of non-basal slip systems in the deformed magnesium single crystals. Therefore the ratio of activation volumes of soft to hard slip systems is considered to be introduced for a better understanding of the deformation in hcp metals.

Keywords

EN

61.72.Hh; 61.50.-f; 81.10.Aj; 61.50.Ah; 81.40.Ef

Discipline

• 61.50.Ah: Theory of crystal structure, crystal symmetry; calculations and modeling
• 81.40.Ef: Cold working, work hardening; annealing, post-deformation annealing, quenching, tempering recovery, and crystallization
• 61.50.-f: Structure of bulk crystals
• 61.72.Hh: Indirect evidence of dislocations and other defects (resistivity, slip, creep, strains, internal friction, EPR, NMR, etc.)
• 81.10.Aj: Theory and models of crystal growth; physics and chemistry of crystal growth, crystal morphology, and orientation(see also 61.50.Nw Crystal stoichiometry)

• Journal: Acta Physica Polonica A
• Year: 2014
• Volume: 126
• Issue: 3
• Pages: 768-772

Dates

published

2014-08

received

2013-12-16

(unknown)

2014-03-07

Contributors

author

B. Sułkowski

• Department of Mater. Science and Engineering of Non-ferrous Metals, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Krakow, Poland

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Identifiers

DOI

10.12693/APhysPolA.126.768