Institutt for maskinteknikk og produksjon
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Stretching and breaking of PEO nanofibres. A classical force field and ab initio simulation study
(Peer reviewed; Journal article, 2020)The burgeoning development of nanotechnology is allowing us to construct more and more nano-scale systems in the real world that used to only exist in computer simulations. Among them, nanofibres made of only a few aligned ... -
Understanding the friction of atomically thin layered materials
(Peer reviewed; Journal article, 2020)Friction is a ubiquitous phenomenon that greatly affects our everyday lives and is responsible for large amounts of energy loss in industrialised societies. Layered materials such as graphene have interesting frictional ... -
Kinetic Theory and Shear Viscosity of Dense Dipolar Hard Sphere Liquids
(Peer reviewed; Journal article, 2020)Transport properties of dense fluids are fundamentally challenging, because the powerful approaches of equilibrium statistical physics cannot be applied. Polar fluids compound this problem, because the long-range interactions ... -
Mechanical behavior of metallic fiber-reinforced adhesive under dynamic loading
(Peer reviewed; Journal article, 2020)The mechanical behavior of metallic fiber reinforced adhesively bonded Single Lap Joints (SLJ) under dynamic loading has been studied. The effect of different fiber spacing along the joint width on the strength of SLJs was ... -
Nanoscale Simulations of Wear and Viscoelasticity of a Semi-Crystalline Polymer
(Peer reviewed; Journal article, 2020)We investigate the underlying tribological mechanisms and running-in process of a semi-crystalline polymer using molecular-dynamics simulations. We subject a slab of simulated polyvinyl alcohol to a sliding contact asperity ... -
Effect of build thickness and geometry on quasi-static and fatigue behavior of Ti-6Al-4V produced by Electron Beam Melting
(Peer reviewed; Journal article, 2020)The geometry and material properties of additively manufactured (AM) parts are closely related in a way that any alteration in geometry of the part will change the underlying manufacturing strategy. This in turn, affects ... -
Multiaxial fatigue life assessment in notched components based on the effective strain energy density
(Peer reviewed; Journal article, 2020)This paper presents a methodology to predict the fatigue lifetime in notched geometries subjected to multiaxial loading based on the effective strain energy density concept. The modus operandi consists of defining a fatigue ... -
Assessment of mixed mode fatigue crack growth under biaxial loading using an iterative technique
(Peer reviewed; Journal article, 2020)Crack growth is investigated numerically in a cruciform specimen with an inclined center crack subjected to biaxial fatigue loading. The mixed-mode fatigue crack growth was examined using a parametric study both on the ... -
Effect of manufacturing parameters on tensile properties of FDM printed specimens
(Peer reviewed; Journal article, 2020)Nowadays, one of the most studied technologies for obtaining different parts is Additive Manufacturing (AM). Whether it is about plastic or metal materials, AM is used because very complex parts can be obtained, without ... -
The Vanishing water/oil interface in the presence of antagonistic salt
(Peer reviewed; Journal article, 2020)Antagonistic salts are salts that consist of hydrophilic and hydrophobic ions. In a binary mixture of water and an organic solvent, these ions preferentially dissolve into different phases. We investigate the effect of an ... -
New insights into the world's longest series of monthly snowfall (Parma, Northern Italy, 1777–2018)
(Peer reviewed; Journal article, 2020)The emergence of decreasing trends in snowfall frequency and snow depth highlights the challenges arising from shifts in snow regimes. In particular, snow‐dependent southern Europe regions may be negatively impacted by ... -
A Legendre–Fenchel Transform for Molecular Stretching Energies
(Peer reviewed; Journal article, 2020)Single-molecular polymers can be used to analyze to what extent thermodynamics applies when the size of the system is drastically reduced. We have recently verified using molecular-dynamics simulations that isometric and ... -
A Time-Frequency Based Approach for Acoustic Emission Assessment of Sliding Wear
(Peer reviewed; Journal article, 2020)The acoustic emission method is one of few contemporary non-destructive testing techniques enabling continuous on-line health monitoring and control of tribological systems. However, the existence of multiple “pseudo”-acoustic ... -
Shear Bands Topology in the Deformed Bulk Metallic Glasses
(Peer reviewed; Journal article, 2020)Recent experimental studies revealed the presence of Volterra dislocation-type long-range elastic strain/stress field around a shear band (SB) terminated in a bulk metallic glass (BMG). The corollary from this finding is ... -
User research enabled by makerspaces: bringing functionality to classical experience prototypes
(Peer reviewed; Journal article, 2020)This paper sheds light on the new possibilities for user research activities facilitated by access to makerspaces. We present four case studies of user research conducted in two university-based makerspaces as examples of ... -
Structural and Biomedical Properties of Common Additively Manufactured Biomaterials: A Concise Review
(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, ... -
Entropy production beyond the thermodynamic limit from single-molecule stretching simulations
(Peer reviewed; Journal article, 2020)Single-molecular systems are a test bed to analyze to what extent thermodynamics applies when the size of the system is drastically reduced. Isometric and isotensional single-molecule stretching experiments and their ... -
Subsea power cable sheathing: an investigation of lead fatigue performance
(Peer reviewed; Journal article, 2020)The protection of subsea power cables against electrical failure is achieved by the use of a watertight layer. Due to its properties of chemical stability and ductility, lead has been the material of choice for this purpose ... -
Detecting glass and metal in consumer trash bags during waste collection using convolutional neural networks
(Peer reviewed; Journal article, 2020)We present a proof-of-concept method to classify the presence of glass and metal in consumer trash bags. With the prevalent utilization of waste collection trucks in municipal solid waste management, the aim of this method ...
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