Blar i Institutt for maskinteknikk og produksjon på tidsskrift "Theoretical and applied fracture mechanics (Print)"
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A comparison between numerical and approximate methods for rapid calculation of NSIFs
(Journal article; Peer reviewed, 2019)To more rapidly predicting the integrity of components weakened by sharp notches, notch stress intensity factors (NSIFs) are usually evaluated. Many methods have been proposed evaluating NSIFs, ranging from the stress ... -
A three-dimensional long-term strength criterion of rocks based on micromechanical method
(Journal article; Peer reviewed, 2018)Rock-like materials are driven not only by applied stresses, but also by time that exhibits creep characteristics. It is significant to establish three-dimensional long-term strength criterion of rocks. In this paper, it ... -
Application of an average strain energy density criterion to obtain the mixed mode fracture load of granite rock tested with the cracked asymmetric four-point bend specimens
(Journal article, 2018)Mixed mode brittle fracture behaviour of granite rock is studied experimentally and theoretically using Asymmetric Four Point Bend (AFPB) specimens containing pre-cracks subjected to different mixed mode loading conditions, ... -
Based on energy approach for the fatigue life evaluation of micrometric-sized single-crystal silicon notched specimens
(Journal article; Peer reviewed, 2018)Fatigue behavior of single-crystal silicon notched specimens have been analyzed employing a strain energy density parameter. The micrometric specimens obtained from {1 0 0} and {1 1 0} wafers and characterized by five ... -
Ductile failure prediction of thin notched aluminum plates subjected to combined tension-shear loading
(Journal article, 2018)The main goal of the present research is to check the suitability of the combined Equivalent Material Concept-Averaged Strain Energy Density (ASED) failure criterion, called EMC-ASED, in predicting the load-carrying capacity ... -
Energy-based low cycle fatigue indicator prediction of non-load-carrying cruciform welded joints
(Journal article, 2018)A new uniform analytical formulation is proposed to predict the low cycle fatigue assessment indicator of non-loading cruciform welded joints under tensile cyclic loading considering the effects of plasticity and mechanical ... -
Experimental investigation of the influence of temperature on the reinforcing effect of graphene oxide nano-platelet on nanocomposite adhesively bonded joints
(Journal article; Peer reviewed, 2018)In this experimental work, the effect of graphene oxide nano-platelets (GONPs) on nanocomposite adhesive joint strength tested at elevated temperatures was investigated. For this, adhesive joints were manufactured with ... -
Experimental study of the simultaneous effect of nano-silica and nano-carbon black on permeability and mechanical properties of the concrete
(Journal article; Peer reviewed, 2019)The permeability level and resistance of the concrete cutoff wall of earth dam on the penetration of fluids are crucial factors and have an essential effect on the stability of the concrete core. In this research, the ... -
Fatigue life assessment of notched round bars under multiaxial loading based on the total strain energy density approach
(Journal article, 2018)The main purpose of this paper is the fatigue assessment in lateral U-shaped notched round bars under bending-torsion loading. Despite its importance in the context of mechanical design, very little work has been done in ... -
Fatigue strength of blunt V-notched specimens produced by selective laser melting of Ti-6Al-4V
(Journal article, 2018)Selective Laser Melting (SLM) process is an Additive Manufacturing (AM) technique that allows producing metallic parts of any kind of geometry with densities greater than 99.5%. Complex shapes lead however to notches with ... -
Fracture assessment of polyacrylonitrile nanofiber-reinforced epoxy adhesive
(Journal article, 2018)Electrospun polyacrylonitrile (PAN) nanofibers were incorporated in an epoxy-based adhesive layer to improve the adhesive joint’s mechanical performance. The morphological study of the electrospun PAN nanofibers revealed ... -
Fracture assessment of V-notched specimens with end holes made of tungsten-copper functionally graded material under mode I loading
(Journal article; Peer reviewed, 2018)The present research is the first to assess fracture of V-notches with end holes (VO-notches) made of tungsten-copper functionally graded material (W-Cu FGM) under mode I both experimentally and theoretically. W-Cu FGM ... -
Fracture behaviour of notched as-built EBM parts: Characterization and interplay between defects and notch strengthening behaviour
(Journal article, 2018)Additive manufacturing (AM) offers the potential to economically produce customized components with complex geometries. However, the introduction of complex geometry goes hand in hand with the presence of notches. Thus, ... -
Influence of energy dissipation at the interphase boundaries on impact fracture behaviour of a plain carbon steel
(Journal article; Peer reviewed, 2018)The paper deals with the impact deformation and fracture behaviour of commercial plain carbon pipe steel 17Mn1Si. The explicit account of the internal grain structure, temperature and geometry of the notch have been made ... -
Mixed-mode (I/II) rupture assessment of rubber-like materials weakened by cracks using the averaged strain energy density criterion
(Journal article, 2018)In the present study, the application of the averaged strain energy density (ASED) criterion is extended from pure mode-I to mixed-mode (I/II) loading for hyperelastic materials. Indeed, the use of a recently proposed ... -
Notched Ti-6Al-4V titanium bars under multiaxial fatigue: Synthesis of crack initiation life based on the averaged strain energy density
(Journal article; Peer reviewed, 2018)The fatigue life of notched components subjected to multiaxial loading conditions may be influenced by extrinsic mechanisms operating during crack propagation phase, such as sliding contact, friction and meshing between ... -
Numerical study on the dynamic fracture behavior of 3D heterogeneous rocks using General Particle Dynamics
(Journal article; Peer reviewed, 2018)The General Particle Dynamics code (GPD) is developed to simulate initiation, propagation and coalescence of cracks in 3D brittle rock specimens subjected to dynamic loads. In GPD, fractures of particles are determined ... -
On the analysis of bonded step lap joints
(Journal article; Peer reviewed, 2018)This paper discusses the stress and strain states in adhesively bonded step lap joints from the perspective of the strain energy density solutions determined via the elastic and elastic-plastic solutions obtained using the ... -
Parametric study of adhesive joints with non-flat sinusoid interfaces
(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 ... -
Relation between fracture characteristics and moisture content along longitudinal direction in a naturally drying Scots pine
(Peer reviewed; Journal article, 2021)