Blar i Institutt for maskinteknikk og produksjon på tidsskrift "Procedia Structural Integrity"
Viser treff 1-20 av 35
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Acoustic Emission NDT for monitoring hygro-mechanical reactions of coated pine wood: a methodological approach
(Peer reviewed; Journal article, 2020)Wood generally suffers drastic RH variations, strongly affecting its dimensional stability because of the gain or loss of adsorbed water. The proposed paper intends to investigate the applicability of a multi-technique ... -
Additive manufacturing processes for metals and effects of defects on mechanical strength: a review
(Peer reviewed; Journal article, 2021)Additive manufacturing (AM) technologies are appreciated all over the world for their great versatility, including the possibility to realize very complex shapes in one step, increasing the design freedom and significantly ... -
Application of the Theory of the Critical Distances based methodology for the analysis of Environmentally Assisted Cracking processes in biomaterials
(Peer reviewed; Journal article, 2020)The complex interaction between physiological stresses and corrosive human fluids can lead to the premature failure of metallic biomaterials due to the development of Environmental Assisted Cracking (EAC) processes. In ... -
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 ... -
Assessment of the Mechanical Integrity of a 2 mm AA6060-T6 Butt Weld Produced Using the Hybrid Metal Extrusion & Bonding (HYB) Process – Part II: Tensile Test Results
(Journal article; Peer reviewed, 2019)The present investigation is concerned with solid state butt welding of 2 mm thin AA6060-T6 profiles at room temperature (RT), using the HYB process and AA6082-T4 as filler material (FM). In Part II of this investigation ... -
Brittle fracture prediction of key-hole notched specimens by means of J-integral expression
(Peer reviewed; Journal article, 2020)The main goal of the present research is to check if J-integral criterion is capable of predicting the onset of brittle fracture in key-hole notched isostatic poly-granular graphite plates. In this way, this article provides ... -
The Critical Distance Method to estimate the fatigue strength of notched additively manufactured titanium
(Peer reviewed; Journal article, 2020)The present investigation deals with the problem of performing the fatigue assessment of notched components made of 3D-printed titanium alloy Ti6Al4V when it is used in the as-manufactured condition. The notch fatigue ... -
Ductile tearing of cryogenic valve components
(Peer reviewed; Journal article, 2020)The paper reports the result of an experimental investigation on the torsional failure mechanics of the rotating components of a cryogenic valve. The rotating assembly is composed of an AISI 316L shaft connected by two ... -
The effect of crack insertion for FDM printed PLA materials on Mode I and Mode II fracture toughness
(Peer reviewed; Journal article, 2020)The paper presents mode I and II fracture toughness results for polylactic acid material obtained via fused deposition modeling. The tests were performed using Single Edge Notch Bend specimens loaded in four point bending: ... -
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 ... -
Evaluation of the Strain Energy Density Value without the Construction of the Control Volume in the Preprocessing Phase of the Finite Element Analysis
(Journal article; Peer reviewed, 2019)This work investigates the error in the evaluation of the Strain Energy Density value when it is evaluated without the construction of the control volume in the pre-processing phase of the finite element analysis. Several ... -
Examining the effect of indentation separation on the properties of gelatin-based films
(Journal article; Peer reviewed, 2021)Understanding the mechanical behaviour and properties of artists’ materials is helpful for evaluating the failure of their structures during exhibition in confined spaces. Generally, macro-sized mock-ups of artists’ materials ... -
Finish-pass strategy to improve sidewall angle and processing time in FIB milled structures
(Peer reviewed; Journal article, 2021)Focused Ion Beams (FIB) systems are employed for their ability to manipulate and remove material on the nanoscale for creating complex structures. By splitting the milling job into multiple sub-patterns, consisting of a ... -
A First Approach on Modelling the Thermal and Microstructure Fields During Aluminium Butt Welding Using the HYB PinPoint Extruder
(Peer reviewed; Journal article, 2020)Hybrid metal extrusion & bonding (HYB) is a new solid-state joining method for metals and alloys that utilizes continuous extrusion as a technique to enable aluminium filler metal additions. In the HYB case, heat is generated ... -
Flexible graphite as beam dumping material in the TDE blocks of the Large Hadron Collider
(Peer reviewed; Journal article, 2020)The Large Hadron Collider (LHC) is a high energy particle collider at the European Laboratory for Particle Physics (CERN) in Geneva, Switzerland. The LHC Beam Dumping System (LBDS) is composed by different equipment employed ... -
Fracture assessment of U-notched graphite specimens by means of cohesive zone model
(Peer reviewed; Journal article, 2020)Various types of graphite have gained interest in many industrial applications due to their high strength and excellent heat tolerance. However, due to the brittle nature of this material, presence of stress concentrators ... -
Fracture assessment of U-notched PMMA under mixed mode I/II loading conditions by means of local approaches.
(Peer reviewed; Journal article, 2021)The paper investigates the fracture behaviour of U-notched specimens made of polymethylmethacrylate at room temperature under mixed mode loading conditions. The specimens are flat and double notched. The notches bisectors ... -
Geometry effect on fracture behavior of V-notched specimens
(Peer reviewed; Journal article, 2020)Geometric constraint is one of the important issues that affect the fracture behavior of different notched components. Specimens with the same notch geometry can have different fracture strengths due to the geometric ... -
Impact of conductor assembly indentation on the fatigue properties of copper power cable wires
(Peer reviewed; Journal article, 2022)The production process of high voltage power cables includes the assembly of the conductor, which is composed of different layer of independent wires wound in helixes of opposite pitch for each subsequent layer. Each wire, ... -
Mechanical behavior of gas metal arc AA6082-T6 weldments
(Journal article; Peer reviewed, 2019)A series of experiments have been conducted to determine the mechanical properties of AA6082-T6 plates which have been joined by means of the Gas Metal Arc technique. Hardness Vickers tests, bending tests, tensile tests, ...