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Photoelastic Stress Intensification of Fillet Welded T-Joint


Affiliations
1 Dept. of Mechanical Engg., S. R. K. R. Engg. College, Bhimavaram, India
2 Department of Mechanical Engg., J. N. T. U. College of Engg., Anantapur, India
     

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Fillet welded T-Joint with and without crack like discontinuities (such as undercut, overlap and intrinsic flaw) is analyzed using photo elasticity technique. Unit stress intensification for opening mode and shearing mode are determined for the model having intrinsic flaw containing undercut, overlap at lower and upper toes under various loading conditions, weld leg sizes and weld shapes. The photoelasticity results are given in terms of unit stress intensity factor Vs load angle. The influences of applied load angle, weld leg size and weld shape on weld discontinuities are studied.
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  • Photoelastic Stress Intensification of Fillet Welded T-Joint

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Authors

K. Brahma Raju
Dept. of Mechanical Engg., S. R. K. R. Engg. College, Bhimavaram, India
K. Prahlada Rao
Department of Mechanical Engg., J. N. T. U. College of Engg., Anantapur, India
G. V. Raju
Dept. of Mechanical Engg., S. R. K. R. Engg. College, Bhimavaram, India

Abstract


Fillet welded T-Joint with and without crack like discontinuities (such as undercut, overlap and intrinsic flaw) is analyzed using photo elasticity technique. Unit stress intensification for opening mode and shearing mode are determined for the model having intrinsic flaw containing undercut, overlap at lower and upper toes under various loading conditions, weld leg sizes and weld shapes. The photoelasticity results are given in terms of unit stress intensity factor Vs load angle. The influences of applied load angle, weld leg size and weld shape on weld discontinuities are studied.