Engineering Transactions, 52, 4, pp. 297–300, 2004

Brief Notes: Logarithmic Screw Dislocation

Z. Wesołowski
Technical University of Kielce
Poland

Basing on linear elasticity, the displacement field $u_z =B\vartheta \ln r$ (in cylindrical coordinates $r, \vartheta, z$) was derived. This displacement has a jump on the half-plane $\vartheta = 0$. Stresses orthogonal to this discontinuity plane are continuous.
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References

J. FRIEDEL, Dislocations, Pergamon Press, Oxford 1964.

J.P. HIRTH, Theory of dislocations [in Russian], Atomizdat, Moskva 1972.

Z. WESOŁOWSKI, E. KROENER, A. SEEGER, Nonlinear theory of the interaction between two screw dislocations, CMDS Conference, Paderborn 1992.




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