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PARAMETRIC STUDY FOR RESIDUAL STRESSES AND DEFORMATIONS IN WELDED PIPE-FLANGE JOINTS | ||
| Iranian Journal of Science and Technology Transactions of Mechanical Engineering | ||
| مقاله 11، دوره 39، M2، دی 2015، صفحه 427-436 اصل مقاله (469.04 K) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22099/ijstm.2015.3250 | ||
| نویسندگان | ||
| M. Abid* 1؛ H. Abdul Wajid2؛ S Ullah3 | ||
| 1Interdisciplinary Research Center, COMSATS Institute of Information Technology, Wah Cantt, Pakistan | ||
| 2Department of Mathematics, COMSATS Institute of Information Technology, Lahore, Pakistan and Department of Electrical Engineering, Faculty of Engineering, Islamic University Medina, KSA | ||
| 3Faculty of Mechanical Engineering, GIK Institute of Engineering Sciences and Technology, Topi, Pakistan | ||
| چکیده | ||
| Welding produces residual stresses and distortion, having detrimental effect on structure integrity and service performance of the welded pipe joints. This paper investigates residual stresses and distortion during Gas Metal Arc Welding (GMAW) of pipes of schedule 40 and 60, nominal diameter 100mm and 200mm and thickness 8mm and 10mm with ANSI flanges of class 300#. Welding parameters including voltage, current and heat input are varied to find the optimized set to control stresses and deformations. Stress variation on the flange side is observed prominent compared to the pipe side due to its dimensional variation. Axial flange displacement along 360 degrees is also concluded obvious, hence effecting sealing performance of the gasketed flanged pipe joints. | ||
| کلیدواژهها | ||
| Welding and geometric parameters؛ residual stresses؛ deformations؛ welded pipe-flange joints | ||
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