Blar i Fakultet for ingeniørvitenskap (IV) på tidsskrift "The International Journal of Advanced Manufacturing Technology"
Viser treff 1-20 av 20
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A deep learning approach for anomaly detection based on SAE and LSTM in mechanical equipment
(Journal article; Peer reviewed, 2019)Anomaly in mechanical systems may cause equipment to break down with serious safety, environment, and economic impact. Since many mechanical equipment usually operates under tough working environments, which makes them ... -
A new method for assessing anisotropy in fused deposition modeled parts using computed tomography data
(Journal article; Peer reviewed, 2019)Voids in fused deposition modeled (FDM) parts are assumed to be a key driver for their anisotropic behavior. However, these assumptions are based on investigations of voids using only 2D data (microscopy images). This paper ... -
A new method to estimate the residual stresses in additive manufacturing characterized by point heat source
(Journal article; Peer reviewed, 2019)Residual stress in additive manufacturing (AM) is one of the key challenges in terms of structural integrity and finish quality of printed components. Estimating the residual stress distribution on additively manufactured ... -
Application of laser-arc hybrid welding of steel for low-temperature service
(Peer reviewed; Journal article, 2019)Laser-arc hybrid welding (LAHW) is more often used in shipbuilding and oil and gas industries in recent years. Its popularity arises due to many advantages compared to conventional arc welding processes. The laser beam ... -
Color appearance in rotational material jetting
(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 ... -
Comparative study of eutectic Al-Si alloys manufactured by WAAM and casting
(Peer reviewed; Journal article, 2020)Wire and arc additive manufacturing (WAAM) of metallic materials is expected to become part of the new industrial revolution. The possibilities for complex designs and superior mechanical properties can in many cases replace ... -
Experimental and numerical investigation of residual stresses in proximity girth welds
(Peer reviewed; Journal article, 2023)International fabrication codes and standards provide minimum distance criteria for proximity welds, although rigorous justification is lacking. These distances are either based on practical experience or mutual agreement ... -
Exploring the hybrid metal extrusion and bonding process for butt welding of Al–Mg–Si alloys
(Journal article; Peer reviewed, 2018)The hybrid metal extrusion and bonding (HYB) process is a new solid-state joining technique developed for aluminum alloys. By the use of filler material addition and plastic deformation sound joints can be produced at ... -
First demonstration of a new additive manufacturing process based on metal extrusion and solid-state bonding
(Journal article; Peer reviewed, 2019)In this paper, a new additive manufacturing (AM) process based on extrusion and solid-state bonding is presented. The process uses metal feedstock wire which is processed in a continuous rotary extruder in order to disperse ... -
Generation of rule-adhering robot programs for aluminium welding automatically from CAD
(Peer reviewed; Journal article, 2023)This paper presents a method to automatically generate robot welding programs from CAD to address the ever-constant demand for product customisation. Furthermore, to ensure that proper welding operations and structural ... -
An investigation of the anisotropic properties of heat-treated maraging steel grade 300 processed by laser powder bed fusion
(Peer reviewed; Journal article, 2021)In order to explore the possibilities enabled by laser beam powder bed fusion of metals (PBF-LB/M), reliable material models are necessary to optimize designs with respect to weight and stiffness. Due to the unique processing ... -
Modelling time efficiency of cobot-supported kit preparation
(Peer reviewed; Journal article, 2020)Kitting – meaning to supply assembly with components in presorted kits – is widely seen as beneficial for assembly quality and efficiency when there is a multitude of component variants. However, the process by which kits ... -
A new mechanical calibration strategy for U-channel extrusions
(Peer reviewed; Journal article, 2020)The extrusion process of aluminum profiles introduces dimensional variations commonly exceeding the dimensional tolerance requirements for fit-up and assembly when using automated welding processes in the automotive industry. ... -
Robotic weld groove scanning for large tubular T-joints using a line laser sensor
(Peer reviewed; Journal article, 2022)This paper presents a novel procedure for robotic scanning of weld grooves in large tubular T-joints. The procedure is designed to record the discrete weld groove scans using a commercially available line laser scanner ... -
Robotic weld groove scanning for large tubular T-joints using a line laser sensor
(Peer reviewed; Journal article, 2022)This paper presents a novel procedure for robotic scanning of weld grooves in large tubular T-joints. The procedure is designed to record the discrete weld groove scans using a commercially available line laser scanner ... -
Statistical analysis of dimensional accuracy in additive manufacturing considering STL model properties
(Journal article; Peer reviewed, 2018)Additive manufacturing (AM) is a technology that produces a part layer by layer based on the computer-aided designed (CAD) model. Each AM process is defined by a set of parameters and materials. The laser power, scan spacing ... -
A strategy for on-machine springback measurement in rotary draw bending using digital image-based laser tracking
(Peer reviewed; Journal article, 2021)Rotary draw bending is a commonly used metal forming technique for profile bending. Due to the elastic recovery of the material, springback compensation to control the bent product quality is one of the critical manufacturing ... -
Surface roughness of as-printed polymers: a comprehensive review
(Peer reviewed; Journal article, 2023)Surface roughness is gaining increasing recognition in the processing design methods of additive manufacturing (AM) due to its role in many critical applications. This impact extends not only to various AM product manufacturing ... -
A Surrogate-Assisted Optimization Approach for Multi-Response End Milling of Aluminium Alloy AA3105
(Peer reviewed; Journal article, 2020)Optimization of the end milling process is a combinatorial task due to the involvement of a large number of process variables and performance characteristics. Process-specific numerical models or mathematical functions are ... -
The effects of voids on structural properties of fused deposition modelled parts: a probabilistic approach
(Journal article; Peer reviewed, 2018)In the search to understand the functional capabilities and limitations of fused deposition modelling (FDM) manufactured components, control over their structural behaviour is crucial. For example, voids introduced during ...