Browsing NTNU Open by Author "Strandlie, Are"
Now showing items 1-20 of 28
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A First-Principles Study of the Al (001)/Fe(0-11) Interface
Khalid, Muhammad Zeeshan; Friis, Jesper; Ninive, Per Harald; Marthinsen, Knut; Strandlie, Are (Journal article; Peer reviewed, 2018)Two phase Stefan problem was solved using analytical method in cylindrical domain. To solve governing equations Eigen conditions were formulated by using separation of variable technique. Eigenvalues of the eigencondition ... -
Ab-initio study of atomic structure and mechanical behaviour of Al / Fe intermetallic interfaces
Khalid, Muhammad Zeeshan; Friis, Jesper; Ninive, Per Harald; Marthinsen, Knut; Strandlie, Are (Journal article; Peer reviewed, 2020)First-principles virtual tensile and shear test calculations have been performed to Al(0 0 )//-AlFeSi(0 0 1) and Al(0 4)//Fe4Al13(1 0 ) interfaces by the ab initio pseudo potential density functional theory method. Work ... -
Additive manufacturing of multilayered polymer composites: Durability assessment
Payami Golhin, Ali; Srivastava, Chaman; Tingstad, Jens Fossan; Sole, Aditya Suneel; Strandlie, Are; Grammatikos, Sotirios (Chapter, 2022)This study examines the impact of additive manufacturing (AM) settings on the durability of 3D-printed polymer composite objects in terms of object color appearance and corresponding mechanical properties when subjected ... -
Advanced Microwave Systems for Diverse Sensing Application
Dang, Yu (Doctoral theses at NTNU;2024:509, Doctoral thesis, 2025)As the Internet of Things (IoT) continues to expand across various industries, the ubiquity of connected devices is driving the widespread deployment of antennas in diverse indoor and outdoor environments. Among these, ... -
Appearance evaluation of digital materials in material jetting
Payami Golhin, Ali; Strandlie, Are (Peer reviewed; Journal article, 2023)Material jetting (MJT) products have a high subjective appearance quality in additive manufacturing (AM). MJT objects are typically manufactured from multiple layers of semi-transparent photo resins to achieve the desired ... -
Atomistic modelling of Fe-Al and α-AlFeSi intermetallic compound interfaces
Khalid, Muhammad Zeeshan (Doctoral theses at NTNU;2020:86, Doctoral thesis, 2020)The joining of aluminum and steel has been considered an efficient solution for building light-weight technology, particularly in the automotive, aerospace and shipbuilding industries. It is an immense challenge to join ... -
BRDF representation in response to the build orientation in 3D-printed digital materials
Payami Golhin, Ali; Sole, Aditya Suneel; Strandlie, Are (Peer reviewed; Journal article, 2023)Additively manufactured (AM) parts still lack a thorough understanding of their optical properties, particularly surface texture and reflectance characteristics at different viewing angles. This study examines the reflectance ... -
Color appearance in rotational material jetting
Payami Golhin, Ali; Sole, Aditya Suneel; Strandlie, Are (Peer reviewed; Journal article, 2022)Material jetting (MJT) is a recognized additive manufacturing (AM) method to combine various materials and create a wide range of designed appearances. However, the measured color of MJT objects is frequently different ... -
A comparative study on the effect of hot/wet and hot/dry aging environments on the degradation of filament winded composites
Srivastava, Chaman; Strandlie, Are; Alcock, Benjamin; Grammatikos, Sotirios (Chapter, 2022)Predicting the long-term response of polymer composite materials is a continuous challenge to the composite industry. The service aging of structural composites has different effects on composites’ physicochemical behavior ... -
Comparison of the effect of thermal and hygrothermal sub-Tg aging on the durability and appearance of multilayered filament wound composite structure
Srivastava, Chaman; Alcock, Benjamin; Strandlie, Are; Grammatikos, Sotirios (Peer reviewed; Journal article, 2024)The study conducts an experimental investigation to compare the effect of accelerated aging on a glass fiber/vinylester matrix filament wound composite. Two static aging conditions, thermal and hygrothermal, were chosen. ... -
Effects of accelerated aging on the appearance and mechanical performance of materials jetting products
Payami Golhin, Ali; Srivastava, Chaman; Strandlie, Are; Sole, Aditya Suneel; Grammatikos, Sotirios (Peer reviewed; Journal article, 2023)As a result of the associated costs and environmental impacts, Material Jetting (MJT) plays a limited role in Additive Manufacturing (AM). Research on the durability and long-term performance of MJT objects by evaluating ... -
European Organisation for Nuclear Research (CERN) 13 Month Placement: activity report, July 2007 - August 2008
Buskenes, Jo Inge (Student paper, others, 2008)I attended the technical student program at CERN (The European Organization for Nuclear Research) from July 2007 to August 2008. More speci cally, I worked with the PHOS (ALICE Photon Spectrometer) detector, which is one ... -
Exploration and extension of an improved Riemann track fitting algorithm
Strandlie, Are; Frühwirth, Rudolf (Journal article; Peer reviewed, 2017)Recently, a new Riemann track fit which operates on translated and scaled measurements has been proposed. This study shows that the new Riemann fit is virtually as precise as popular approaches such as the Kalman filter ... -
First-principles study of tensile and shear strength of an Fe2Al5//Fe interface
Khalid, Muhammad Zeeshan; Friis, Jesper; Ninive, Per Harald; Marthinsen, Knut; Ringdalen, Inga Gudem; Strandlie, Are (Peer reviewed; Journal article, 2021)The interfacial strengths of a low misfit Fe2Al5//Fe interface structure found at aluminum-steel joints has been studied using density functional theory. An interface between Fe and Fe2Al5 was selected based on a criteria ... -
First-principles study of tensile and shear strength of Fe-Al and α-AlFeSi intermetallic compound interfaces
Khalid, Muhammad Zeeshan; Friis, Jesper; Ninive, Per Harald; Marthinsen, Knut; Strandlie, Are (Peer reviewed; Journal article, 2021)First-principles virtual tensile and shear strength calculations have been performed on the Fe2Al5// Fe4Al13 and -AlFeSi// Fe4Al13 interfaces. The Fast Inertial Relaxation Engine (FIRE) algorithm is used for optimizing ... -
Functional and Optical Properties of Structured Surfaces in Additive Manufacturing: Technologies for appearance evaluation in the quality assurance of 3D-printed polymers
Golhin, Ali Payami (Doctoral theses at NTNU;2023:178, Doctoral thesis, 2023)Quality assurance of additively manufactured parts requires assessment of appearance and surface finish quality. Appearance investigation is a primary step to ensure that the manufactured parts meet the required structural, ... -
The Influence of Wedge Angle, Feedstock Color, and Infill Density on the Color Difference of FDM Objects
Payami Golhin, Ali; Strandlie, Are; Green, Philip John (Peer reviewed; Journal article, 2021)The surface appearance in additive manufacturing (AM) has attracted attention in recent years due to its importance in evaluating the quality of 3D printed structures. Fused Deposition Modeling (FDM), also known as Fused ... -
The Influence of Wedge Angle, Feedstock Color, and Infill Density on the Color Difference of FDM Objects
Golhin, Ali Payami; Strandlie, Are; Green, Philip John (Peer reviewed; Journal article, 2021)The surface appearance in additive manufacturing (AM) has attracted attention in recent years due to its importance in evaluating the quality of 3D printed structures. Fused Deposition Modeling (FDM), also known as Fused ... -
Modified embedded atom method potential for Fe-Al intermetallics mechanical strength: A comparative analysis of atomistic simulations
Khalid, Muhammad Zeeshan; Friis, Jesper; Ninive, Per Harald; Marthinsen, Knut; Ringdalen, Inga Gudem; Strandlie, Are (Peer reviewed; Journal article, 2021)The structural and mechanical properties of Fe-Al compounds (FeAl, FeAl, FeAl, FeAl, FeAl, FeAl) have been studied using modified embedded atom method (MEAM) potentials. The equilibrium lattice constants, formation enthalpies, ... -
On the durability and lifetime prediction of filament wound composites
Srivastava, Chaman (Doctoral theses at NTNU;2024:222, Doctoral thesis, 2024)This thesis investigates the durability and aging behavior of glass fiber/vinylester filament wound composites (FWCs) coupons obtained from real-life structures under various environmental conditions. Divided into four ...