Blar i NTNU Open på forfatter "Børvik, Tore"

Viser treff 21-40 av 220

    • Ballistic impact of layered and case-hardened steel plates 

      Holmen, Jens Kristian; Solberg, Jan Ketil; Hopperstad, Odd Sture; Børvik, Tore (Journal article; Peer reviewed, 2017)
      We investigated the ballistic resistance of hot-rolled structural steel plates with a nominal yield stress of 355 MPa in this study. Ballistic tests were conducted with 7.62mm armor piercing bullets on monolithic and ...

    • Ballistic impact of structural steels at low temperatures 

      Holmen, Jens Kristian; Thomesen, Susanne; Perez-Martin, Maria Jesus; Hopperstad, Odd Sture; Børvik, Tore (Peer reviewed; Journal article, 2022)
      Steels are usually stronger at low temperatures than at high temperatures. But low temperatures are, particularly in combination with high strain rates and high stress triaxiality ratios, known to cause embrittlement. The ...

    • Ballistic impact on concrete slabs: An experimental and numerical study 

      Kristoffersen, Martin; Toreskås, Oda Lunde; Dey, Sumita; Børvik, Tore (Peer reviewed; Journal article, 2021)
      The ballistic perforation resistance of 50 mm thick concrete slabs impacted by 20 mm diameter ogive-nose steel projectiles is investigated experimentally and numerically. Three commercially produced concretes with nominal ...

    • Ballistic impact resistance of additive manufactured high-strength maraging steel: An experimental study 

      Costas, Miguel; Edwards-Mowforth, Maisie; Kristoffersen, Martin; Teixeira-Dias, Filipe; Brøtan, Vegard; Paulsen, Christian Oen; Børvik, Tore (Peer reviewed; Journal article, 2021)
      Maraging steel is a low carbon steel known for its ultra high-strength after heat treatment. In combination with Additive Manufacturing (AM), the properties of maraging steel indicate potential to enable complex geometries ...

    • Ballistic Penetration and Perforation of Steel Plates 

      Børvik, Tore (Dr. ingeniøravhandling, 0809-103X; 2000:124, Doctoral thesis, 2001)
      Situations involving impact, i.e. the collision between two or more solids, were at one time primarily of concern to the military. Nowadays, as safety is highlighted within most branches of industry, the field of impact ...

    • Ballistic Perforation of Surface Hardened Mild Steel Plates 

      Thorsen, Henrik; Orthe, Erlend (Master thesis, 2014)
      The main objective with this thesis was to investigate experimentally and numerically the effect surface hardening has on the ballistic properties of monolithic and laminated mild steel plates. 300x300 mm^2 plates of ...

    • Ballistic perforation resistance of plain and reinforced concrete slabs - An experimental and numerical study 

      Jacobsen, Øystein Eirik Kvist; Børvik, Tore; Kristoffersen, Martin; Dey, Sumita (Chapter, 2023)
      As concrete is the most used construction material globally, it is vital to understand how this complex composite material behaves when subjected to extreme and potentially devastating loads like explosions or ballistic ...

    • Ballistic perforation resistance of thin concrete slabs impacted by ogive-nose steel projectiles 

      Kristoffersen, Martin; Toreskås, Oda Lunde; Dey, Sumita; Børvik, Tore (Peer reviewed; Journal article, 2021)
      Concrete is a material frequently used in protective structures exposed to extreme loading. In this study, the ballistic perforation resistance of 50 mm thick plain concrete slabs impacted by 20 mm diameter ogive-nose steel ...

    • Behaviour and Modelling of Flexible Structures Subjected to Blast Loading 

      Aune, Vegard (Doctoral theses at NTNU;2017:101, Doctoral thesis, 2017)
      The last two decades have seen a significant increase in the research activity on blast-loaded structures. This is to a large extent related to the increased threat of deliberate use of high explosives against civilian ...

    • Behaviour of Al-Mg-Si alloys at a wide range of temperatures and strain rates 

      Vilamosa, Vincent; Clausen, Arild Holm; Børvik, Tore; Skjervold, SR; Hopperstad, Odd Sture (Journal article; Peer reviewed, 2015)
      The thermo-mechanical behaviour in tension of three as-cast and homogenized Al-Mg-Si alloys, distinguished by their Mg and Si content, was investigated at a wide range of strains (the entire deformation process up to ...

    • Behaviour of plated structures subjected to blast loading 

      Aune, Vegard; Børvik, Tore; Langseth, Magnus (Journal article; Peer reviewed, 2015)
      An experimental investigation using a new shock tube facility to study blast-load effects on thin aluminium plates is presented. The shock tube is designed to expose materials and structures to extreme loading conditions, ...

    • Behaviour of windshields subjected to quasi-static loading 

      Herrem, Einer (Master thesis, 2022)
      Abstract will be available on 2025-06-11

    • Behaviour, modelling and simulation of thin steel plates subjected to combined blast and impact loading 

      Elveli, Benjamin Stavnar (Doctoral thesis, 2022)
      This thesis studies the effects of combined fragment impact and blast loading on thin steel plates. It is here assumed that the fragments strike before the arrival of the blast wave. The fragments are represented through ...

    • Bending of X65 Offshore Steel Pipes 

      Lofthaug, Kristoffer; Digerud, Erik (Master thesis, 2014)
      This thesis is part of an ongoing research program between SIMLab and Statoil about impact loads on X65 offshore pipelines and it is a continuation of previous work.Offshore pipelines are frequently impacted by accidental ...

    • Blast load performance of concrete slabs after ballistic impact from ogive-nose projectiles 

      Kristoffersen, Martin; Lee, Minjoo; Børvik, Tore (Chapter, 2023)
      Concrete is by far the most used construction material in the world and is frequently used in critical infrastructure and protective structures. Whether intentional or accidental, ballistic impact and blast loading pose ...

    • Blast Loaded Aluminium Plates: Experiments and numerical simulations 

      Melby, Emil Arne; Eide, Hilde Olaug Stakvik (Master thesis, 2013)
      Light and flexible protective constructions in aluminium could be subjected to a blast load. In this thesis the effect of blast loading on aluminium plates of the type 1050A ? H14 was studied through experiments and numerical ...

    • Blast Loading of Concrete Pipes Using C-4 Charges 

      Kristoffersen, Martin; Hauge, Knut Ove; Børvik, Tore (Journal article; Peer reviewed, 2018)
      The E39 coastal highway route in Norway is envisioned a future without ferries. A submerged floating tunnel built in concrete has been suggested as a means of crossing wide and deep fjords. Blast loading against this type ...

    • Blast loading of concrete pipes using spherical centrically placed C-4 charges 

      Kristoffersen, Martin; Hauge, Knut Ove; Valsamos, Georgios; Børvik, Tore (Chapter, 2018)
      The Norwegian Public Roads Administration has initiated a large research project on a potential ferry-free coastal highway route E39 from Trondheim to Kristiansand. Parts of this route involve crossing somewide and deep ...

    • Blast-load response of thin steel plates after ballistic impact from small-arms projectiles 

      Elveli, Benjamin Stavnar; Børvik, Tore; Aune, Vegard (Chapter, 2019)
      This paper investigates the dynamic response of 0.8 mm thick steel plates exposed to a combination of ballistic impact and blast loading. Two different materials, i.e., a medium-strength (Docol 600DL) steel and a high-strength ...

    • Cack propagation in aluminium alloy plates: experiments, modelling and simulation 

      Blytt, Aslak Magdalon; Sundt, Sander (Master thesis, 2021)
      Denne masteroppgaven har studert sprekkpropagering i 1.5mm tykke plater av aluminiumslegeringen AA6016 utsatt for kvasisstatisk- og dynamisk last. Forsøkene har blitt modellert ved bruk av en FEA og en Gurson-Tvergaard-needleman ...