Blar i NTNU Open på forfatter "Børvik, Tore"
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Dynamisk respons av stålplater utsatt for kombinert støt- og eksplosjonslast
Hald, Anders (Master thesis, 2019)Hovedmålet med denne oppgaven er å studere oppførselen av fleksible stålplater utsatt for kombinert støt- og eksplosjonslast ved bruk av eksperimentelle- og numeriske studier. Det numeriske arbeidet består av et forstudie ... -
The effect of constituent particles on the tear resistance of three 6000-series aluminium alloys
Qvale, Kristin; Thomesen, Susanne; Hopperstad, Odd Sture; Børvik, Tore (Peer reviewed; Journal article, 2022)This paper investigates the tear resistance of three cast and homogenized 6000-series alloys, namely AA6061, AA6063 and AA6110, all in temper T6, by means of Kahn tear tests. Of each alloy one commercial version and one ... -
Effect of heat-treatment on the structural response of blast-loaded aluminium plates with pre-cut slits
Granum, Henrik; Aune, Vegard; Børvik, Tore; Hopperstad, Odd Sture (Journal article; Peer reviewed, 2019)This study investigates the structural response of blast-loaded aluminium plates with pre-cut slits. The 1.5 mm thick plates were tested after three different heat-treatments and with four different pre-cut slit geometries ... -
Effect of pre-stretching on the mechanical behaviour of three artificially aged 6xxx series aluminium alloys
Granum, Henrik Møgster; Myhr, Ole Runar; Børvik, Tore; Hopperstad, Odd Sture (Peer reviewed; Journal article, 2021)The effect of pre-stretching on the mechanical behaviour of the aluminium alloys AA6063, AA6061 and AA6110 in temper T6 has been investigated. Uniaxial tensile tests and quasi-static axial crushing tests were conducted on ... -
Effects of constituent particle content on ductile fracture in isotropic and anisotropic 6000-series aluminium alloys
Tomstad, Asle Joachim; Thomesen, Susanne; Børvik, Tore; Hopperstad, Odd Sture (Peer reviewed; Journal article, 2021)Tension tests on smooth and notched specimens were conducted for four 6000-series aluminium alloys to assess the effects of constituent particles on ductile fracture at different stress states. Two of the alloys are ... -
Effects of heat treatment on the ballistic properties of AA6070 aluminium alloy
Holmen, Jens Kristian; Johnsen, Joakim; Jupp, S; Hopperstad, Odd Sture; Børvik, Tore (Journal article; Peer reviewed, 2013)The ballistic properties of the aluminium alloy AA6070 in different tempers are studied, using target plates of 20 mm thickness in tempers O (annealed), T4 (naturally aged), T6 (peak strength) and T7 (overaged). The ... -
Effects of Heat Treatment on the Ballistic Properties of AA6070 Aluminium Plates
Holmen, Jens Kristian; Johnsen, Joakim (Master thesis, 2012)The thesis includes a summary of important theory in the fields of impact engineering and plasticity theory, and a literature study is carried out on aluminium designations, alloying and heat treatment. The true stress-strain ... -
Effects of heat-treatment on the plastic anisotropy of extruded aluminium alloy AA6063
Khadyko, Mikhail; Marioara, Calin Daniel; Dumoulin, Stephane; Børvik, Tore; Hopperstad, Odd Sture (Journal article, 2017)The plastic anisotropy of aluminium alloys is known to depend not only on the crystallographic texture but also on the heat-treatment, and this effect has been studied on various alloys both experimentally and numerically. ... -
Empty and foam-filled circular aluminium tubes subjected to axial and oblique quasi-static loading
Børvik, Tore; Hopperstad, Odd Sture; Reyes, Aase Gavina Roberg; Langseth, Magnus; Solomos, G.; Dyngeland, Torbjørn (Journal article; Peer reviewed, 2003)Tests on tubular columns made of the aluminium alloy 6060-T4 under axial and oblique, quasi-static loading have been performed. The columns were fixed at one extremity, while a concentrated force was applied at the other ... -
Energy absorption and damage prevention in a submerged floating tunnel during internal blast loading
Tømte, Anders (Master thesis, 2015)Experiments on sandwich structures with an aluminum foam core and aluminum sheet plates are done in the shock tube facility at SIMLab. Aluminum foam is a lightweight material with many applications in a wide range of fields. ... -
Energy absorption and failure in aluminium alloys: An experimental and numerical study
Qvale, Kristin (Doctoral theses at NTNU;2022:213, Doctoral thesis, 2022)Aluminium alloys are a preferred group of materials for crash components in the automotive industry, often offering a substantial strength-to-weight ratio and ductility. The R&D process in the automotive industry is ... -
Evaluation of automatic versus material test-based calibrations of concrete models for ballistic impact simulations
Antoniou, Andria; Børvik, Tore; Kristoffersen, Martin (Peer reviewed; Journal article, 2023)Concrete is used for protective structures all over the world. Accurate response estimates to a given threat is vital for designing such structures. Concrete models often require numerous input parameters for which sufficient ... -
An Experimental and Numerical Investigation of the Blast Response of Pre-damaged Aluminium Plates
Stensjøen, Jon Magnus; Thorgeirsson, Sondre Tuft (Master thesis, 2017)The dynamic response of thin, perforated aluminium plates subjected to blast load has been studied both experimentally and numerically. The experiments have been conducted in a shock tube facility, where the blast intensity ... -
Experimental and Numerical Studies of Plain and Reinforced Concrete Plates Subjected to Blast Loading
Pettersen, Jon Eide; Hillestad, Eivind (Master thesis, 2016)The main objective in this thesis was to determine how the behavior of concrete structures subjected to blast loads may be predicted. An experimental study was conducted, in which 50 mm thick plain and reinforced concrete ... -
Experimental and numerical studies of tubular concrete structures subjected to blast loading
Kristoffersen, Martin; Hauge, Knut Ove; Minoretti, Arianna; Børvik, Tore (Peer reviewed; Journal article, 2021)The E39 coastal highway route along the west coast in Norway is envisioned a future without ferries. A submerged floating tube bridge built in concrete has been suggested as a means of crossing wide and deep fjords, and ... -
Experimental and numerical studies on the structural response of normal strength concrete slabs subjected to blast loading
Kristoffersen, Martin; Pettersen, Jon Eide; Aune, Vegard; Børvik, Tore (Journal article; Peer reviewed, 2018)To assess the blast performance of concrete structures, a shock tube has been used to simulate blast loading against concrete slabs of two different mixes ordered as C45/55 and C20/25. The C45/55 slabs were tested without ... -
Experimental and Numerical Study of Sandwich Panels Exposed to Blast Loading
Kielland, Olaf Moriggi; Lekve, Sigurd Løvstad (Master thesis, 2018)The main objective of this thesis is to investigate, both experimentally and numerically, the mechanical response of various sandwich components with foam cores subjected to a range of blast load scenarios. Experiments ... -
Experimental and numerical study on perforated steel plates subjected to blast loading
Iddberg, Mads Bakken (Master thesis, 2018)This thesis investigates the behavior of deformable steel plates exposed to blast-loading, using experimental two numerical studies. The numerical work consists of a preliminary study and a numerical study with more realistic ... -
Experimental and Numerical Study on Perforated Steel Plates Subjected to Blast Loading
Granum, Henrik Møgster; Løken, Lars Marcus (Master thesis, 2016)The main objective of this thesis was to determine how thin, perforated Docol 600 DL steel plates behave under blast loading, and to validate to which extent the response may be predicted using different numerical techniques. ... -
Experimental and Numerical Study on Plated Structures Subjected to Blast Loading - Numerical Simulations and Experimental Validation
Baglo, Cecilie; Dybvik, Therese Myrstad (Master thesis, 2015)The main objective of this thesis was to investigate the response of thin plates, made of Docol 600 DL steel and the aluminium alloy EN-AW-1050A-H14, subjected to blast loading. The intention was also to validate the use ...