Blar i UiS Brage på forfatter "Hansen, Vidar"
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Determination of atomic positions and polar direction in half-Heusler material Sb1- xSnxTi1-y-zHfyZrzCo using electron channeling
Hansen, Vidar; Echevarria-Bonet, Cristina; Minde, Mona Wetrhus; Taftø, Johan (Journal article; Peer reviewed, 2018-12)Variation of electron-induced x-ray emission with the crystal direction of an incoming electron beam (channeling) is used to study the crystal site preference of different elements in a promising thermoelectric half-Heusler ... -
Distinguishing space groups by electron channelling: centrosymmetric full-Heusler or non-centrosymmetric half-Heusler?
Hansen, Vidar; Kosinskiy, Andrey; Taftø, Johan (Peer reviewed; Journal article, 2020)X-ray emission under electron-channelling conditions is used to distinguish between a non-centrosymmetric half-Heusler and a centrosymmetric full-Heusler crystal. For TiCo1.5+xSn the space-group determination based on a ... -
Effect of hydrogen on mechanical properties and fracture of martensitic carbon steel under quenched and tempered conditions
Adasooriya, Mudiyan Nirosha Damayanthi; Tucho, Wakshum Mekonnen; Holm, Erlend; Årthun, Terje; Hansen, Vidar; Solheim, Karl Gunnar; Hemmingsen, Tor (Peer reviewed; Journal article, 2020)The change in the mechanical properties of tempered high strength carbon steel (AISI 4130) due to hydrogen embrittlement (HE) has been investigated using slow strain rate tensile tests (SSRT). The heat treatment processes ... -
Effects of cold rolling on the mechanical properties and grain structure of Inconel 718 alloy
Sletsjøe, Anders Thon (Master thesis, 2023)This master thesis in material science aimed to investigate the influence of increased degree of cold rolling reduction of precipitation formation in commercially produced Nickel-base superalloy Inconel 718, and evaluate ... -
Evaluation of Ductile Iron for Offshore Application
Jørgensen, Mats Røed (Masteroppgave/UIS-TN-IKM/2017;, Master thesis, 2017-06-15)The possibility of using ductile iron as a construction material for offshore applications have been investigated. If ductile iron is considered as being a substitute material forwelded steel, it can create a larger freedom ... -
Geometry determination and refinement in the rotation electron diffraction technique
Delimitis, Andreas; Hansen, Vidar; Gjønnes, Jon (Journal article; Peer reviewed, 2019-02)The necessary parameters (rotation axis, incident electron beam direction and beam tilt path) in order to describe the diffraction geometry in the Rotation Electron Diffraction (RED) method during data collection are ... -
Mechanical and microstructual investigation of 3D-printed Alloy 625
Thorkaas, Johan Andreas (Masteroppgave/UIS-TN-IKM/2016;, Master thesis, 2016-06)Additive manufacturing is in the wind and shows great promise as a manufacturing technique. In this thesis the properties of the additive manufactured EOS alloy 625 is investigated. Tensile, CharpyV, Vickers, and pitting ... -
Mechanical properties and microstructure of 17-4 Ph stainless steel made by Jet binder additive manufacturing
Egseth , Stian (Bachelor thesis, 2023)Additive manufacturing is a field seeing constant innovation. This thesis looks at the mechanical properties and microstructure of a Binder Jet Printing (BJP) technology using the stainless steel alloy 17-4 PH. 17-4 PH is ... -
Mechanical properties of 316L stainless steel made by selective laser melting using powder produced from recycled scrap material by vacuum induction gas atomizing.
Bjørge, Ole Kristian (Bachelor thesis, 2021)The purpose of this study has been to investigate if 316L powder for Selective Laser Melting (SLM) can be made from scrap material by the process of Vacuum Induction Gas Atomizing (VIGA). Unused parts from storage represented ... -
Mekaniske egenskaper og mikrostruktur til LMD 3D-printet Duplex rustfritt stål
Egeland, Erlend; Ree, Magnus (Bachelor thesis, 2021)Denne oppgaven har som hovedmål å teste et 3D-printet material i duplex rustfritt stål. De mekaniske egenskapene til 3D-printet duplex stål kan variere etter hvilken 3D-printe metode som blir brukt. Stålet i denne oppgaven ... -
Mekaniske egenskaper og mikrostruktur til LMD 3D-printet Duplex rustfritt stål
Egeland, Erlend; Ree, Magnus (Bachelor thesis, 2021)Denne oppgaven har som hovedmål å teste et 3D-printet material i duplex rustfritt stål. De mekaniske egenskapene til 3D-printet duplex stål kan variere etter hvilken 3D-printe metode som blir brukt. Stålet i denne oppgaven ... -
Microstructural Analysis of Selective Laser Melted AlSi10Mg
Strøm, Magnus (Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020-07-14)Selective laser melting (SLM) is a manufacturing method where computer models are built layer by layer using a laser as heat source to melt powder in selected areas. The method allows for creating parts that would be ... -
Microstructure and Mechanical properties of a Reversed Engineered Inconel 625 Produced by Direct Energy Deposition
Birihane, Minas (Masteroppgave/UIS-TN-IMBM/2020;, Master thesis, 2020-07-15)The purpose of this study is to investigate the micro-structural and mechanical properties of reverse engineered Inconel 625 manufactured by direct energy deposition (DED). A costume made 4kW robotized DED machine was used ... -
Mikrostruktur og mekaniske egenskaper i 3D-printet Inconel
Pedraza Canizalez, Sebastian Andres; Ohm, Bjørn Andre (Bachelor thesis, 2021)For produksjonen av kritiske deler med gode mekaniske egenskaper ved høye temperaturer og god korrosjonsmotstand har det blitt brukt selektiv lasersmelting av nikkel-legeringen Inconel 718. Selektiv lasersmelting er en ... -
Mikrostruktur og mekaniske egenskaper i 3D-printet Inconel
Ohm, Bjørn Andre; Pedraza Canizalez, Sebastian Andres (Bachelor thesis, 2021)For produksjonen av kritiske deler med gode mekaniske egenskaper ved høye temperaturer og god korrosjonsmotstand har det blitt brukt selektiv lasersmelting av nikkel-legeringen Inconel 718. Selektiv lasersmelting er en ... -
Mikrostruktur og mekaniske egenskaper til 3D-printed aluminium bronse
Tewelde, Fana (Bachelor thesis, 2023)Additive manufacturing has been growing rapidly in several industries since the late 1980s. In this thesis, mechanical properties and microstructure of a 3D-printed aluminum bronze have been investigated. Mechanical ... -
Strain Induced Phase Transformation in Austenitic Stainless Steel (316L)
Sahu, Ankit (Master thesis, 2021)The purpose of the thesis is to investigate the amount of deformation induced martensite in AISI 316L austenitic stainless steel. Deformation condition used for this work are cyclic strain, tensile failure at room temperature ... -
Utfelling av kromnitrider i bøyde duplexrør
Austevik, John; Kvande, Fiske Simen (Bachelor thesis, 2021)Hensikten med denne oppgaven er å se om kompresjon har effekt på utfelling av kromnitrider i varmebehandlet, og bråkjølt, duplexstål av grad UNS S31803 og UNS S32205, med fellesbetegnelsen Duplex 2205. Duplex sin ... -
Utfelling av kromnitrider i bøyde duplexrør
Kvande, Fiske Simen; Austevik, John (Bachelor thesis, 2021)Hensikten med denne oppgaven er å se om kompresjon har effekt på utfelling av kromnitrider i varmebehandlet, og bråkjølt, duplexstål av grad UNS S31803 og UNS S32205, med fellesbetegnelsen Duplex 2205. Duplex sin ...