Effect of Impurity Concentration and Plastic Deformation on Dislocation Density of KCl Crystals | Zendy

Suszyńska M. | Zendy

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Effect of Impurity Concentration and Plastic Deformation on Dislocation Density of KCl Crystals

Author(s) -

Suszyńska M.

Publication year - 1974

Publication title -

kristall und technik

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.377

H-Index - 64

eISSN - 1521-4079

pISSN - 0023-4753

DOI - 10.1002/crat.19740091015

Subject(s) - dislocation , materials science , deformation (meteorology) , impurity , flow stress , dislocation creep , etch pit density , condensed matter physics , crystallography , composite material , etching (microfabrication) , chemistry , microstructure , physics , organic chemistry , layer (electronics)

Using the etch pit technique both the distribution and density of dislocations in undeformed and dynamically deformed nominally pure and Sr 2+ or Pb 2+ doped KCl crystals are examined. Additionally, the role of specimen geometry in the plastic deformation within the I deformation stage is determined. For all the crystals examined the relationship between screw dislocation density and plastic flow stress obeys the formula τ ⋍ ϱ sc. 1/2 .

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