NDLI: Welding Induced Distortions and Strains of a Built-Up Panel: Experiment and Numerical Validation

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Bayley, Christopher Goldak, John
Copyright Year	2010
Abstract	Weld build-up or weld cladding is a welding process in which weld metal can be deposited in order to reclaim the material thickness. In certain applications, welding induced distortions must be controlled while simultaneously minimizing welding induced residual strains. In order to examine the relative effect of the weld build-up region on welding induced distortion and residual strains, two panels were fabricated with either a small 100 × 100 × 3 or large 200 × 200 × 3 mm depression that was subsequently filled by welding. During welding, the strains, displacements and temperature were continuously monitored in order to compare the transient solution with companion FEM models of the same structures. The coupled thermo-mechanical problem was solved using Goldak Technology Inc.s VrSuite program, with the level of agreement of the measured distortions, strains and temperature profiles dependent on their location and history. Both the numerical and experimental tests showed that despite the differences in the geometry, both panels developed the same strain state, although the large welded patch had greater peak value and larger distortions.
Sponsorship	Pressure Vessels and Piping Division
Starting Page	989
Ending Page	996
Page Count	8
File Format	PDF
ISBN	9780791849224
DOI	10.1115/PVP2010-25981
e-ISBN	9780791838785
Volume Number	ASME 2010 Pressure Vessels and Piping Conference: Volume 3
Conference Proceedings	ASME 2010 Pressure Vessels and Piping Division/K-PVP Conference
Language	English
Publisher Date	2010-07-18
Publisher Place	Bellevue, Washington, USA
Access Restriction	Subscribed
Subject Keyword	Geometry Finite element model Temperature Welding Metals Temperature profiles Finite element methods Cladding systems (building) Thermomechanics Transients (dynamics)
Content Type	Text
Resource Type	Article

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