TY - JOUR
T1 - Nonlocal elasticity and dislocation image force due to cracks
AU - Pan, K. L.
AU - Dai, H. H.
PY - 2001/1
Y1 - 2001/1
N2 - Fundamental field equations of nonlocal elasticity are presented. With these equations, the image force on a screw dislocation due to a crack is analyzed using the conformal mapping technique. Two cases are considered: one is for a finite-length crack, the other is for an infinite one. All classical singularities of the dislocation image force are eliminated when the dislocation tends to the crack tip. The maximum of the force is obtained at the crack tip.
AB - Fundamental field equations of nonlocal elasticity are presented. With these equations, the image force on a screw dislocation due to a crack is analyzed using the conformal mapping technique. Two cases are considered: one is for a finite-length crack, the other is for an infinite one. All classical singularities of the dislocation image force are eliminated when the dislocation tends to the crack tip. The maximum of the force is obtained at the crack tip.
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U2 - 10.1007/s004190000104
DO - 10.1007/s004190000104
M3 - RGC 21 - Publication in refereed journal
SN - 0939-1533
VL - 71
SP - 16
EP - 22
JO - Archive of Applied Mechanics
JF - Archive of Applied Mechanics
IS - 1
ER -