Search for dissertations about: "Butt weld"
Showing result 1 - 5 of 15 swedish dissertations containing the words Butt weld.
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1. Residual stress in a T-butt joint weld : cylinder versus plane plate geometry
Abstract : The welding process introduces residual stress originating from the heating, melting and cooling of the material. From the point of view of fatigue and stress corrosion cracking, the weld residual stress perpendicular to the weld axis is of particular interest. READ MORE
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2. Computational weld mechanics - Increased accuracy in fatigue assessment, distortion and residual stress analysis
Abstract : This thesis work is concerned with the mechanical response of welded steel structures, which are distortions, residual stresses, and fatigue. The accuracy of fatigue assessment, distortion and residual stress analysis using Computational weld mechanics (CWM) is focused. READ MORE
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3. Deformations and stresses in butt-welding of plates : numerical simulation and experimental verification
Abstract : Deformation and stresses in butt-welding of plates were studied. The work includes numerical simulation and experimental verification. The simulations were performed by use of the finite element method. Temperature dependence of material properties and phase transformations were considered. READ MORE
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4. Monitoring and control of laser beam butt joint welding
Abstract : Laser beam welding is one important technology in automated production. It has several advantages, such as the ability to produce deep and narrow welds giving limited heat induced deformations. The laser beam welding process is however sensitive to how the high power laser is positioned with regards to the joint position. READ MORE
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5. An inductive gap measurement method for square butt joints
Abstract : A recent method in aero engine production is to fabricate components from smaller pieces, rather than machining them from large castings. This has made laser beam welding popular, offering high precision with low heat input and distortion, but also high productivity. READ MORE