Institutt for maskinteknikk og produksjon
Recent Submissions
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Gone With the Wind? Offshore Wind Data Management in the North Sea
(Master thesis, 2022)Havvind sees på som en levedyktig løsning for fornybar energiproduksjon i stor skala. Norsk økonomisk sone er et område godt egnet for flytende og bunnfaste turbiner, med gunstig vær, etterspørsel og industriell kompetanse. ... -
Strukturovervåkning av Terrengsykkel
(Master thesis, 2022)En tilnærming for implementering av en sanntids digital-tvilling (DT) basert strukturell helse overvåking (SHO) av sykkelrammer presenteres i denne oppgaven. Det primære målet er å etablere et IT-system som kan støtte SHO ... -
Risk-based inspection planning for hydrogen technologies: review of currents standards and suggestions for modification
(Journal article; Peer reviewed, 2021)The research addressing loss of integrity (LOI) for hydrogen containment technologies requires a multidisciplinary perspective. However, lack of collaboration between materials and process safety engineers is reflected in ... -
Understanding powder bed fusion additive manufacturing phenomena via numerical simulation
(Peer reviewed; Journal article, 2020)The increasing interest in additively manufactured metallic parts from industry has issued a formidable challenge to the academic and scientific world that is asked to design new alloys, optimize process parameters and ... -
A coupled elastoplastic damage model for brittle rocks
(Peer reviewed; Journal article, 2020)Brittle rock contains an important plastic deformation, which causes microcracks when coupled with stress-induced damage. A new coupled elastoplastic damage model is established in order to discuss the damage behaviors ... -
Topology and Parametric Optimization-Based Design Processes for Lightweight Structures
(Peer reviewed; Journal article, 2020)Topology and Parametric Optimization are two of the most implemented material optimization approaches. However, it is not clear in the literature which optimization procedure, or possible combination of them, can lead to ... -
Design of Wear-Resistant UHMWPE-Based Composites Loaded with Wollastonite Microfibers Treated with Various Silane Coupling Agents
(Peer reviewed; Journal article, 2020)The tribomechanical properties of the wear-resistant ultrahigh molecular weight polyethylene (UHMWPE)-based composites loaded with wollastonite microfibres silanized with various coupling agents (“KH-550”, “Penta-1006”, ... -
Effect of Adhesion on Mechanical and Tribological Properties of Glass Fiber Composites, Based on Ultra-High Molecular Weight Polyethylene Powders with Various Initial Particle Sizes
(Peer reviewed; Journal article, 2020)The aim of this study was to assess the effect of adhesion between the non-polar, ultra-high molecular weight polyethylene (UHMWPE) matrix and the glass fiber fillers of various lengths treated with the commercially available ... -
Taguchi Optimization of Parameters for Feedstock Fabrication and FDM Manufacturing of Wear-Resistant UHMWPE-Based Composites
(Peer reviewed; Journal article, 2020)It is believed that the structure and properties of parts fabricated by additive (i.e., non-stationary) manufacturing are slightly worse compared to hot pressing. To further proceed with improving the quality of Fused ... -
Experimental and analytical investigation on the coupled elastoplastic damage model of coal-rock
(Peer reviewed; Journal article, 2020)In this paper, a novel coupled elastoplastic damage model for coal-rock is proposed to predict the deformation and potential disaster in coal mining. The conditions of small deformation and thermodynamic potential are ... -
Increasing Fatigue Life of 09Mn2Si Steel by Helical Rolling: Theoretical–Experimental Study on Governing Role of Grain Boundaries
(Peer reviewed; Journal article, 2020)The structure and mechanical properties of the 09Mn2Si high-strength low-alloyed steel after the five-stage helical rolling (HR) were studied. It was revealed that the fine-grained structure had been formed in the surface ... -
Lean Management Approach to Reduce Waste in HoReCa Food Services
(Peer reviewed; Journal article, 2020)A significant share of food waste originates in the food services domain and HoReCa (hotels, restaurants, catering) sector. Organizational improvements leading to the decrease of food waste and costs in restaurants are ... -
Numerical Investigation of Strength Mismatch Effect on Ductile Crack Growth Resistance in Welding Pipe
(Peer reviewed; Journal article, 2020)The effect of strength mismatch (ratio between the yield stress of weld metal and base metal, My) on the ductile crack growth resistance of welding pipe was numerically analyzed. The ductile fracture behavior of welding ... -
A Novel Subspace-Aided Fault Detection Approach for the Drive Systems of Rolling Mills
(Journal article; Peer reviewed, 2021)This brief proposes a subspace-aided fault detection approach for the drive systems of strip rolling mills. Considering the impact of the unknown periodic load generated by the strip rolling process, the primary contributions ... -
Produced water treatment using hydrocyclones - Theoretical and experimental studies of novel control schemes
(Doctoral theses at NTNU;2022:136, Doctoral thesis, 2022)Produced-water is a non-lucrative by-product of oil and gas production, and the quantity increases as the field ages. Produced-water is either discharged into the sea or reinjected into the field to enhance pressure. As ... -
Recent Trends in Three-Dimensional Bioinks Based on Alginate for Biomedical Applications
(Peer reviewed; Journal article, 2020)Three-dimensional (3D) bioprinting is an appealing and revolutionary manufacturing approach for the accurate placement of biologics, such as living cells and extracellular matrix (ECM) components, in the form of a 3D ... -
Polymethyl Methacrylate-Based Bone Cements Containing Carbon Nanotubes and Graphene Oxide: An Overview of Physical, Mechanical, and Biological Properties
(Peer reviewed; Journal article, 2020)Every year, millions of people in the world get bone diseases and need orthopedic surgery as one of the most important treatments. Owing to their superior properties, such as acceptable biocompatibility and providing great ... -
Ionic Liquids as Additives in Low Viscosity Lubricants – A Surface Adsorption and Tribofilm Study
(Doctoral theses at NTNU;2022:130, Doctoral thesis, 2022)The trend in lubrication nowadays is towards low viscosity lubricants. Low viscosity lubricants flow more easily, increasing the lubricant volume circulation thus improving the cooling performance and cleaning ability of ... -
Modelling of fracture toughness of x80 pipeline steels in dtb transition region involving the effect of temperature and crack growth
(Peer reviewed; Journal article, 2020)This work presents an investigation of the effects of temperature and crack growth on cleavage fracture toughness for weld thermal simulated X80 pipeline steels in the ductile-to-brittle transition (DBT) regime. A great ... -
Estimation of minimum volume of bounding box for geometrical metrology
(Peer reviewed; Journal article, 2020)This paper presents algorithms for estimating the minimum volume bounding box based on a three-dimensional point set measured by a coordinate measuring machine. A new algorithm, which calculates the minimum volume with ...
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