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| Author | : |
| Publisher | : |
| Total Pages | : 140 |
| Release | : 2000 |
| Genre | : Electroslag welding |
| ISBN | : |
| Author | : Leilei Zhang |
| Publisher | : |
| Total Pages | : 566 |
| Release | : 1999 |
| Genre | : Electroslag welding |
| ISBN | : |
| Author | : Paolo Ferro |
| Publisher | : BoD – Books on Demand |
| Total Pages | : 164 |
| Release | : 2018-05-16 |
| Genre | : Technology & Engineering |
| ISBN | : 178923106X |
The ability to quantify residual stresses induced by welding processes through experimentation or numerical simulation has become, today more than ever, of strategic importance in the context of their application to advanced design. This is an ongoing challenge that commenced many years ago. Recent design criteria endeavour to quantify the effect of residual stresses on fatigue strength of welded joints to allow a more efficient use of materials and a greater reliability of welded structures. The aim of the present book is contributing to these aspects of design through a collection of case-studies that illustrate both standard and advanced experimental and numerical methodologies used to assess the residual stress field in welded joints. The work is intended to be of assistance to designers, industrial engineers and academics who want to deepen their knowledge of this challenging topic.
| Author | : Gkatzogiannis, Stefanos |
| Publisher | : KIT Scientific Publishing |
| Total Pages | : 316 |
| Release | : 2022-06-30 |
| Genre | : Technology & Engineering |
| ISBN | : 3731510669 |
Research goal of the present monograph is the establishment of an efficient engineering approach, which will include straightforward but accurate simulation models, in order to estimate the residual stress fields of welded joints introduced during welding and their post-weld treatment with High Frequency Hammer Peening. The present subject lies on the intersection of structural engineering, material science and computational mechanics.
| Author | : Theo Farrow |
| Publisher | : |
| Total Pages | : 96 |
| Release | : 2007 |
| Genre | : Finite element method |
| ISBN | : |
"The objective of this paper has been to model the cooling process of a simple butt weld using the finite element anlaysis (FEA) method to analyse the formation of welding induced residual stresses. This study involved detailed finite element analysis of the temperatures, stresses, and distortions which occur throughout the welding cycle"--Abstract.
| Author | : A. Yaghi |
| Publisher | : |
| Total Pages | : 34 |
| Release | : 2005 |
| Genre | : Finite element method |
| ISBN | : |
| Author | : Gurinder Singh Brar |
| Publisher | : LAP Lambert Academic Publishing |
| Total Pages | : 68 |
| Release | : 2013-01 |
| Genre | : |
| ISBN | : 9783659329494 |
One of the most widely used permanent joining processes is welding. Welding results in a very complex thermal cycle which results in irreversible elastic-plastic deformation and residual stresses in and around fusion zone and heat affected zone (HAZ). Residual stresses may be an advantage or disadvantage in structural components depending on their nature and magnitude. Due to these residual stresses produced in and around the weld zone the strength and life of the component is reduced. In present study a commercially available finite element code was used to model and analyze a three dimensional model of the butt welded joint of two AISI 304 stainless steel plate used for manufacturing sugar hoppers. Butt welding simulations were performed by four different welding techniques - submerged arc welding (SAW), manual metal arc welding (MMAW), gas metal arc welding (MIG) and gas tungsten arc welding (TIG). Analysis of butt welded joint showed that butt welds produced by MIG resulted in lowest value of residual stress in plates. Critical analysis of butt welded joint by MIG and TIG showed that by increasing plate thickness, the residual stresses also increases.
| Author | : Herman F. Nied |
| Publisher | : |
| Total Pages | : 55 |
| Release | : 2004 |
| Genre | : Hulls (Naval architecture) |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : |
| Release | : 2001 |
| Genre | : |
| ISBN | : |
This paper describes a three-dimensional finite element model for calculation of the residual stress distribution caused by repair welding. Special user subroutines were developed to simulate the continuous deposition of filler metal during welding. The model was then tested by simulating the residual stress/strain field of a FeAl weld overlay clad on a 2[1/4]Cr-1 Mo steel plate, for which neutron diffraction measurement data of the residual strain field were available. It is shown that the calculated residual stress distribution was consistent with that determined with neutron diffraction. High tensile residual stresses in both the longitudinal and transverse directions were observed around the weld toe at the end of the weld. The strong spatial dependency of the residual stresses in the region around the weld demonstrates that the common two-dimensional cross-section finite element models should not be used for repair welding analysis.
| Author | : Stefanos Gkatzogiannis |
| Publisher | : |
| Total Pages | : |
| Release | : 2020* |
| Genre | : |
| ISBN | : |
