Search for dissertations about: "Lars-Erik Lindgren"
Showing result 1 - 5 of 13 swedish dissertations containing the words Lars-Erik Lindgren.
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1. Process chain simulation of forming, welding and heat treatment of Alloy 718
Abstract : Manufacturing of aero engine components requires attention to residual stress and final shape of the product in order to meet high quality product standards.This sets very high demands on involved manufacturing steps to meet design requirements. READ MORE
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2. 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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3. Modeling of Cold Pilgering of Stainless Steel Tubes
Abstract : Cold pilgering is a complex forming process used to produce seamless tubes in terms of modeling due to the complexity in kinematic of tools, friction condition and material behavior. The process development has mostly been based on simple formulas and costly full-scale tryouts. READ MORE
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4. Mechanism-based flow stress model for Ti-6Al-4V : applicable for simulation of additive manufacturing and machining
Abstract : Ti-6Al-4V has remarkable properties such as high specific mechanical properties (viz. stiffness, strength, toughness, fatigue resistance), corrosion resistance, biocompatibility etc. These properties make it attractive for applications in aerospace, chemical industry, energy production, surgical implants, etc. READ MORE
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5. Microstructure model for Ti-6Al-4V used in simulation of additive manufacturing
Abstract : This thesis is devoted to microstructure modelling of Ti-6Al-4V. The microstructure and the mechanical properties of titanium alloys are highly dependent on the temperature history experienced by the material. The developed microstructure model accounts for thermaldriving forces and is applicable for general temperature histories. READ MORE