Blar i NTNU Open på forfatter "Torgersen, Jan"
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Optimal Shape for Handlebar Brackets Suitable for Machining
Ødegård, Kjetil Toft (Master thesis, 2020)Masteroppgaven Optimal form av styrebrakett egnet for maskinering tar for seg oppgaven a ̊ gjennomføre en strukturell optimalisering av styrebraketten til en motorsykkel. Styre- braketten til en Ducati Multistrada 1260 ... -
The osteogenic properties of additive manufactured Titanium-6Aluminium-4Vanadium with focus on 3D geometry and surface topography
Ødegaard, Kristin Sirnes (Doctoral theses at NTNU;2023:77, Doctoral thesis, 2023) -
Parametric study of adhesive joints with non-flat sinusoid interfaces
Razavi, Seyed Mohammad Javad; Berto, Filippo; Peron, Mirco; Torgersen, Jan (Journal article, 2018)The role of sinusoid interface shape on the stress distribution and load bearing capacity of the adhesively bonded single lap joints has been investigated numerically and experimentally. The experimental results showed ... -
Polarization-driven reversible actuation in a photo-responsive polymer composite
Urban, David; Marcucci, Niccolò; Wölfle, Christoph Hubertus; Torgersen, Jan; Hjelme, Dag Roar; Descrovi, Emiliano (Peer reviewed; Journal article, 2023)Light-responsive polymers and especially amorphous azopolymers with intrinsic anisotropic and polarization-dependent deformation photo-response hold great promises for remotely controlled, tunable devices. However, dynamic ... -
Porosity effect on tensile behavior of Ti-6Al-4V specimens produced by laser engineered net shaping technology
Razavi, Seyed Mohammad Javad; Bordonaro, GG; Ferro, Paolo; Torgersen, Jan; Berto, Filippo (Journal article, 2018)Microstructural characteristics of additively manufactured Ti-6Al-4V specimens are analyzed in this study. Laser Engineered Net Shaping technology, a direct energy deposition additive manufacturing process, is used to ... -
Preface: The second European Conference on the Structural Integrity of Additively Manufactured Materials
Berto, Filippo; Hooreweder, Brecht; Iacoviello, Francesco; Stampfl, Jurgen; Susmel, Luca; Torgersen, Jan (Journal article; Peer reviewed, 2022)Additive manufacturing (AM) offers the potential to economically fabricate customized parts with complex geometries in a rapid design-to-manufacture cycle. However, the basic understanding of the fracture behavior of AM ... -
Preliminary in-situ study of FIB-assisted method for aluminium solid-state welding at the microscale
Celotto, Ambra; Grong, Øystein; Holmestad, Randi; Sørhaug, Jørgen A; Torgersen, Jan; Vullum, Per Erik; Berto, Filippo (Peer reviewed; Journal article, 2021)In situ studies allow real time monitoring and deep comprehension of phenomena. This approach has been applied to the current research for the development of a novel solid-state welding technique at the microscale. The ... -
Process optimization for the fabrication of an Atomic Layer Deposition reactor for in situ Transmission Electron Microscopy
Bjordal, Dag Skjerven (Master thesis, 2021)Denne master går gjennom produksjonsprosessen for ein liten ALD reaktor for "in situ" studie i eit TEM mikroskop. Innfallsvinkel er prosessopptamilersing og fabrikkering blir evaluert etter repeterbarhet, kostnad, tid, og ... -
Pushing the limits of beam-steering lens arrays
Johnsen, Håkon Jarand Dugstad; Aksnes, Astrid; Torgersen, Jan (Journal article; Peer reviewed, 2019)An essential part of a concentrated solar power system is the solar tracker. Tracking is usually implemented by rotating the entire optical system to follow the sun, adding to the bulk and complexity of the system. ... -
Relating Electronic and Geometric Structure of Atomic Layer Deposited BaTiO3 to its Electrical Properties
Torgersen, Jan; Acharya, Shinjita; Dadlani, Anup; Petousis, Ioannis; Kim, Yongmin; Trejo, Orlando; Nordlund, Dennis; Fritz, Prinz (Journal article; Peer reviewed, 2016)Atomic layer deposition allows the fabrication of BaTiO3 (BTO) ultrathin films with tunable dielectric properties, which is a promising material for electronic and optical technology. Industrial applicability necessitates ... -
Relating stress corrosion cracking behavior to microstructural and surface properties of biocompatible AZ31 alloy
Peron, Mirco (Doctoral theses at NTNU;2020:147, Doctoral thesis, 2020)Magnesium (Mg) and its alloys have attracted significant attention as temporary implant materials due to their excellent biocompatibility with human physiology. In fact, Mg is essential to the human metabolism as a cofactor ... -
Revealing the influence of electron beam melted Ti-6Al-4V scaffolds on osteogenesis of human bone marrow-derived mesenchymal stromal cells
Ødegaard, Kristin Sirnes; Ouyang, Lingzi; Ma, Qianli; Buene, Glenn; Wan, Di; Elverum, Christer Westum; Torgersen, Jan; Standal, Therese; Westhrin, Marita (Peer reviewed; Journal article, 2021)Porous Titanium-6Aluminum-4Vanadium scaffolds made by electron beam-based additive manufacturing (AM) have emerged as state-of-the-art implant devices. However, there is still limited knowledge on how they influence the ... -
Rupture Predictions of Notched Ti-6Al-4V Using Local Approaches
Peron, Mirco; Torgersen, Jan; Berto, Filippo (Journal article; Peer reviewed, 2018)Ti-6Al-4V has been extensively used in structural applications in various engineering fields, from naval to automotive and from aerospace to biomedical. Structural applications are characterized by geometrical discontinuities ... -
Self-limiting atomic layer deposition of barium oxide and barium titanate thin films using a novel pyrrole based precursor
Acharya, Shinjita; Torgersen, Jan; Yongmin, Kim; Joonsuk, Park; Schindler, Peter; Dadlani, Anup; Winterkorn, Martin; Xu, Shicheng; Walch, Stephen; Usui, Takane; Schildknecht, Christian; Fritz, Prinz (Journal article; Peer reviewed, 2016)Barium oxide (BaO) is a critical component for a number of materials offering high dielectric constants, high proton conductivity as well as potential applicability in superconductivity. For these properties to keep pace ... -
Single Wheel Dynamics of a Semi-Active Suspension
Vigerust, Jacob Hayes (Master thesis, 2019)Bilindustrien, og spesielt motorsporten, ser alltid etter nye måter å forbedre ytelsen på kjøretøy. I et forsøk på å øke ytelsen på en Formula Student racerbil, har et semi-aktiv hjuloppheng blitt utforsket og konstruert. ... -
Solar tracking using beam-steering lens arrays
Johnsen, Håkon Jarand Dugstad; Torgersen, Jan; Aksnes, Astrid (Chapter, 2018)Conventional tracking solar concentrators track sunlight by rotating the concentrator optics to face the sun, which adds to the cost and bulk of the system. Beam-steering lens arrays, in contrast, allow solar tracking ... -
Stress corrosion cracking behavior of zirconia ALD–coated AZ31 alloy in simulated body fluid
Peron, Mirco; Berto, Filippo; Torgersen, Jan (Peer reviewed; Journal article, 2020)In the last decades, the interest in magnesium (Mg) and its alloys for biomedical implant devices has been continuously increasing due to their excellent biological and mechanical compatibility with human bones. However, ... -
Structural and Biomedical Properties of Common Additively Manufactured Biomaterials: A Concise Review
Ødegaard, Kristin Sirnes; Torgersen, Jan; Elverum, Christer Westum (Peer reviewed; Journal article, 2020)Biomaterials are in high demand due to the increasing geriatric population and a high prevalence of cardiovascular and orthopedic disorders. The combination of additive manufacturing (AM) and biomaterials is promising, ... -
Suspension System Design for Revolve NTNU
Ramsdal, Ole Andreas Grønn (Master thesis, 2018)This thesis involves modeling and simulation of the dynamic behavior of Revolve NTNU's race car. The purpose of vehicle dynamics simulations is to predict race car behavior during practical testing. Being able to apply ... -
The Biocompatibility and Osteogenic Properties of Additive Manufactured Porous Ti-6Al-4V Scaffolds
Ødegaard, Kristin Sirnes (Master thesis, 2018)Human bone is constantly being remodeled, and has the ability to repair itself when damage occurs. However, sometimes the fractures are so intense that they exceed the critical non-healable size. In order to repair such ...