Blar i Institutt for maskinteknikk og produksjon på tidsskrift "Frattura ed Integrità Strutturale"
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40CrMoV13.9 notched specimens under multiaxial fatigue: An overview of recent results
(Journal article; Peer reviewed, 2017)The multiaxial fatigue strength of circumferentially V-notched and semicircular notched specimens made of 40CrMoV13.9 has been investigated in this paper. The multiaxial load were applied using combined tension and torsion ... -
A metallurgical and thermal analysis of Inconel 625 electron-beam welded joints
(Journal article; Peer reviewed, 2019)Inconel 625 is a nickel-based superalloy that finds application in many industrial sectors thanks to its high strength, excellent fabricability, and outstanding corrosion resistance. It is characterized by a good weldability ... -
A novel algorithm for crack path identification based on infrared images
(Journal article; Peer reviewed, 2019)The present work aims at developing a new approach towards the analysis of the crack path through the access to the information from the infrared (IR) video imaging of the steady fatigue crack growth. We first test some ... -
An innovative micromechanics-based three-dimensional long-term strength criterion for fracture assessment of rock materials
(Journal article; Peer reviewed, 2018)Rocks may exhibit time-dependent behaviors. Long-term strength criterion significantly dominates creep failure of rocks. Rocks contain many microcracks, which lead to degrade of long-term strength. In this paper, it is ... -
Assessment of tensile and fatigue behavior of PEEK specimens in a physiologically relevant environment
(Journal article; Peer reviewed, 2019)In the last decades the necessity of implant devices is continuously increasing. The researchers have thus focused their attentions on the development of new biocompatible materials, in particular polymers. Among them, ... -
Averaged strain energy density estimated rapidly from the nodal stresses by FEM for cracks under mixed mode loadings including the T-stress contribution
(Journal article; Peer reviewed, 2019)The present contribution reviews a recently proposed method to rapidly estimate the averaged SED at the tip of short as well as long cracks under in-plane I+II and long cracks under out-of-plane I+III mixed mode loadings. ... -
A brief review of fatigue design criteria on offshore wind turbine support structures
(Peer reviewed; Journal article, 2021)In this paper, a brief review of the main fatigue design criteria and some advanced fatigue approaches applied to offshore structures (e.g. offshore wind turbines) are presented. It is extremely important to understand the ... -
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 ... -
Crack initiation life in notched Ti-6Al-4V titanium bars under uniaxial and multiaxial fatigue: Synthesis based on the averaged strain energy density approach
(Journal article; Peer reviewed, 2017)The fatigue behaviour of circumferentially notched specimens made of titanium alloy, Ti-6Al-4V, has been analysed. To investigate the notch effect on the fatigue strength, pure bending, pure torsion and multiaxial ... -
Crack paths in multiaxial fatigue of C45 steel specimens and correlation of lifetime with the thermal energy dissipation
(Peer reviewed; Journal article, 2022)The work reports the observed fatigue damage of C45 steel specimens tested in a previous work under multiaxial loading conditions and its relationship with the thermal energy dissipation which has been used in the last ... -
Crack propagation in a brittle DCB specimen assessed by means of the Williams? power expansion
(Journal article; Peer reviewed, 2019)A double cantilever beam geometry has been chosen in order to investigate the importance of the higher-order terms of the Williams’ power expansion for the crack path estimation. The crack propagation has been tested ... -
Cracked components under anti-plane loading: Recent outcomes and future developments
(Journal article; Peer reviewed, 2017)The existence of three-dimensional effects at cracks has been known for many years, but understanding has been limited, and for some situations still is. Understanding improved when the existence of corner point singularities ... -
Creep behavior of v-notched components
(Journal article; Peer reviewed, 2017)Geometrical discontinues such as notches play a significant rule in structural integrity of the components, especially when the component is subjected to very severe conditions, such as the high temperature fatigue or ... -
Design of Experiment as a powerful tool when applying Finite Element Method: a case study on prediction of hot rolling process parameters
(Journal article; Peer reviewed, 2018)The ultimate goal in hot roll pass design is to manufacture a rolled product with the required dimensional accuracy, defect free surface, and mechanical properties. The proper selection of process parameters is crucial to ... -
Development of an optimal process for friction stir welding based on GA-RSM hybrid algorithm
(Journal article; Peer reviewed, 2018)Performance of Friction Stir Welding (FSW) as a solid-state process is approved in several engineering applications, especially aluminum industries. Identification of mechanical behavior of the associated welded zone is ... -
Effect of corrosion and fatigue on the remaining life of structures and its implication to additive manufacturing
(Journal article; Peer reviewed, 2018)This paper investigates the combined effect of corrosion and fatigue on the growth of cracks that arise from natural corrosion in steel bridges. It is shown that if these two effects need to be simultaneously analyzed. If ... -
Effect of hot dip galvanization on the fatigue strength of steel bolted connections
(Journal article; Peer reviewed, 2017)Hot dip galvanized steel bolted joints has been tested under fatigue loading to evaluate the effect of galvanizing coating on the fatigue strength of S355 structural steel. The experimental results showed that the decrease ... -
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 ... -
Experimental investigation of cracking behaviors of ductile and brittle rock-like materials
(Journal article; Peer reviewed, 2021) -
Experimental investigation of cracking behaviors of ductile and brittle rock-like materials
(Journal article; Peer reviewed, 2021)