OOIR: Observatory of International Research

Papers

(The median citation count of Virtual and Physical Prototyping is 3. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-11-01 to 2024-11-01.)

Article	Citations
Recent progress on additive manufacturing of multi-material structures with laser powder bed fusion	166
Recent progress and scientific challenges in multi-material additive manufacturing via laser-based powder bed fusion	149
Perspectives of using machine learning in laser powder bed fusion for metal additive manufacturing	116
A review on qualification and certification for metal additive manufacturing	79
Additive manufacturing of bimetallic structures	77
Additively manufactured dual-functional metamaterials with customisable mechanical and sound-absorbing properties	63
Post-processing treatments to enhance additively manufactured polymeric parts: a review	53
Current trends in additively manufactured (3D printed) energy absorbing structures for crashworthiness application – a review	51
Achieving grain refinement and ultrahigh yield strength in laser aided additive manufacturing of Ti−6Al−4V alloy by trace Ni addition	50
Topology optimization for metal additive manufacturing: current trends, challenges, and future outlook	50
3D printed hybrid-dimensional electrodes for flexible micro-supercapacitors with superior electrochemical behaviours	50
Differentiation of materials and laser powder bed fusion processing regimes from airborne acoustic emission combined with machine learning	48
Strengthening and fracture mechanisms of a precipitation hardening high-entropy alloy fabricated by selective laser melting	47
Semi-supervised Monitoring of Laser powder bed fusion process based on acoustic emissions	47
Experimental and numerical investigation of the origin of surface roughness in laser powder bed fused overhang regions	46
Laser printing path and its influence on molten pool configuration, microstructure and mechanical properties of laser powder bed fusion processed rare earth element modified Al-Mg alloy	46
Additively manufacturing-enabled hierarchical NiTi-based shape memory alloys with high strength and toughness	46
Stiffness and energy absorption of additive manufactured hybrid lattice structures	45
Online Convolutional Neural Network-based anomaly detection and quality control for Fused Filament Fabrication process	45
A novel tubular structure with negative Poisson's ratio based on gyroid-type triply periodic minimal surfaces	43
Vertical and uniform growth of MoS ₂ nanosheets on GO nanosheets for efficient mechanical reinforcement in polymer scaffold	43
A numerical study on the packing quality of fibre/polymer composite powder for powder bed fusion additive manufacturing	40
Architected lightweight, sound-absorbing, and mechanically efficient microlattice metamaterials by digital light processing 3D printing	38
Influence of erbium addition on the defects of selective laser-melted 7075 aluminium alloy	37
Quasi-static and dynamic mechanical properties of additively manufactured Al₂O₃ ceramic lattice structures: effects of structural configuration	35

Ordered nitrogen complexes overcoming strength–ductility trade-off in an additively manufactured high-entropy alloy	34
Effect of volumetric energy density on microstructure and tribological properties of FeCoNiCuAl high-entropy alloy produced by laser powder bed fusion	33
3D printed porous biomass–derived SiCnw/SiC composite for structure–function integrated electromagnetic absorption	32
Superior energy absorption of continuously graded microlattices by electron beam additive manufacturing	31
A data-driven machine learning approach for the 3D printing process optimisation	30
Understanding laser-metal interaction in selective laser melting additive manufacturing through numerical modelling and simulation: a review	29
Superior strength-ductility in laser aided additive manufactured high-strength steel by combination of intrinsic tempering and heat treatment	29
Large programmable coefficient of thermal expansion in additively manufactured bi-material mechanical metamaterial	29
In situ grown rare earth lanthanum on carbon nanofibre for interfacial reinforcement in Zn implants	28
Topology optimisation for large-scale additive manufacturing: generating designs tailored to the deposition nozzle size	28
Constructing function domains in NiTi shape memory alloys by additive manufacturing	28
Characterisation of in-situ alloyed titanium-tantalum lattice structures by laser powder bed fusion using finite element analysis	28
Recent developments in the application of machine-learning towards accelerated predictive multiscale design and additive manufacturing	26
The theoretical model and verification of electric-field-driven jet 3D printing for large-height and conformal micro/nano-scale parts	26
Valorisation of vegetable food waste utilising three-dimensional food printing	26
Additively manufactured oxide dispersion strengthened nickel-based superalloy with superior high temperature properties	26
A detailed evaluation of surface, thermal, and flammable properties of polyamide 12/glass beads composites fabricated by multi jet fusion	26
Creating functionally graded concrete materials with varying 3D printing parameters	25
Enhancement of fatigue resistance of additively manufactured 304L SS by unique heterogeneous microstructure	25
Teams of robots in additive manufacturing: a review	25
Towards a comprehensive understanding of distortion in additive manufacturing based on assumption of constraining force	25
Void reduction in fused filament fabrication (FFF) through in situ nozzle-integrated compression rolling of deposited filaments	25
Design, manufacture, and characterisation of hierarchical metamaterials for simultaneous ultra-broadband sound-absorbing and superior mechanical performance	24
Investigation on synergism between additive and subtractive manufacturing for curved thin-walled structure	24
A Comparison of the physical properties of two commercial 3D printing PLA grades	23
Microstructure tuning enables synergistic improvements in strength and ductility of wire-arc additive manufactured commercial Al-Zn-Mg-Cu alloys	22
An improved distortion compensation approach for additive manufacturing using optically scanned data	22
Fabrication of parts with heterogeneous structure using material extrusion additive manufacturing	22
Recent progress on microstructure manipulation of aluminium alloys manufactured via laser powder bed fusion	22
Sandwich structure printing of Ti-Ni-Ti by directed energy deposition	21
Triply periodic minimal surfaces based honeycomb structures with tuneable mechanical responses	21
Heterogeneous grain structure in biodegradable Zn prepared via mechanical alloying and laser powder bed fusion for strength-plasticity synergy	20
Study Of the compression behaviours of 3D-printed PEEK/CFR-PEEK sandwich composite structures	20
Additive manufacturing of high-performance 15-5PH stainless steel matrix composites	20
Microstructure and mechanical property of high power laser powder bed fusion AlSi10Mg alloy before and after T6 heat treatment	20
Simulation-assisted investigation on the formation of layer bands and the microstructural evolution in directed energy deposition of Ti6Al4V blocks	20
Effect of laser incident energy on the densification and structure–property relationships of additively manufactured CrCoNi medium-entropy alloy	20
Generalised overlapping model for multi-material wire arc additive manufacturing (WAAM)	20
The formation mechanism of metal-ceramic interlayer interface during laser powder bed fusion	19
Quasi-static compressive behaviour of 3D-printed origami-inspired cellular structure: experimental, numerical and theoretical studies	19
Detection and characterisation of defects in directed energy deposited multi-material components using full waveform inversion and reverse time migration	19
Integrated numerical modelling and deep learning for multi-layer cube deposition planning in laser aided additive manufacturing	19
X-photon laser direct write 3D nanolithography	19
Effects of different scanning patterns on nickel alloy-directed energy deposition based on thermal analysis	19
Particle-free compositions for printing dense 3D ceramic structures by digital light processing	18
Effect of the fibre length on the mechanical anisotropy of glass fibre–reinforced polymer composites printed by Multi Jet Fusion	17
Improved strength-ductility synergy of directed energy deposited AZ31 magnesium alloy with cryogenic cooling mode	17
Influence of spatial laser beam profiles on thermal-fluid transport during laser-based directed energy deposition	16
Fused Filament Fabrication of cellular, lattice and porous mechanical metamaterials: a review	16
Effects of build positions on the thermal history, crystallization, and mechanical properties of polyamide 12 parts printed by Multi Jet Fusion	16

Inconel 718-W7Ni3Fe bimetallic structures using directed energy deposition-based additive manufacturing	16
3D Printing of a miniature turbine blade model with an embedded fibre Bragg grating sensor for high-temperature monitoring	16
Fracture characterisation of vertically build functionally graded 316L stainless steel with Inconel 718 deposited by directed energy deposition process	15
3D printing highly stretchable conductors for flexible electronics with low signal hysteresis	15
Recent progress in 4D printed energy-absorbing metamaterials and structures	15
Viscoelastic simulation and optimisation of the polymer flow through the hot-end during filament-based material extrusion additive manufacturing	15
Large-scale material extrusion-based additive manufacturing of short carbon fibre-reinforced silicon carbide ceramic matrix composite preforms	15
Semi-supervised machine learning of optical in-situ monitoring data for anomaly detection in laser powder bed fusion	15
Acoustic feature based geometric defect identification in wire arc additive manufacturing	15
2000W Blue laser directed energy deposition of AlSi7Mg: process parameters, molten pool characteristics, and appearance defects	15
High-strength light-weight aramid fibre/polyamide 12 composites printed by Multi Jet Fusion	14
AM-SegNet for additive manufacturing in situ X-ray image segmentation and feature quantification	14
Design and mechanical behaviours of a novel tantalum lattice structure fabricated by SLM	14
Heterogeneous microstructure and mechanical behaviour of Al-8.3Fe-1.3V-1.8Si alloy produced by laser powder bed fusion	14
High-speed machining of additively manufactured Inconel 718 using hybrid cryogenic cooling methods	14
Multiscale topology optimisation with nonparametric microstructures using three-dimensional convolutional neural network (3D-CNN) models	14
Design and printing of embedded conductive patterns in liquid crystal elastomer for programmable electrothermal actuation	13
Hybrid material additive manufacturing: interlocking interfaces for fused filament fabrication on laser powder bed fusion substrates	13
Towards efficient concrete structures with ultra-thin 3D printed formwork: exploring reinforcement strategies and optimisation	13
Advances in precision microfabrication through digital light processing: system development, material and applications	13
Residual thermal stress prediction for continuous tool-paths in wire-arc additive manufacturing: a three-level data-driven method	13
Knowledge transfer using Bayesian learning for predicting the process-property relationship of Inconel alloys obtained by laser powder bed fusion	12
A bio-inspired design strategy for easy powder removal in powder-bed based additive manufactured lattice structure	12
A flexible and easy-to-use open-source tool for designing functionally graded 3D porous structures	12
A novel D0 ₂₂ precipitation-hardened Ni _2.1 CoCrFe _0.5 Nb _0.2	12
Controllable three-dimension auxetic structure design strategies based on triply periodic minimal surfaces and the application in hip implant	12
Quantitative investigation of thermal evolution and graphitisation of diamond abrasives in powder bed fusion-laser beam of metal-matrix diamond composites	12
Influence of scale effect on surface morphology in laser powder bed fusion technology	12
Dielectric spectroscopy of PETG/TiO ₂ composite intended for 3D printing	12
A spiral laser scanning routine for powder bed fusion inspired by natural predator-prey behaviour	12
Monitoring of functionally graded material during laser directed energy deposition by acoustic emission and optical emission spectroscopy using artificial intelligence	11
Three-dimensional printed metal-nested composite fuel grains with superior mechanical and combustion properties	11
Additive manufacturing of flexible polymer-derived ceramic matrix composites	11
Fatigue performance of metal additive manufacturing: a comprehensive overview	11
Process-structure multi-objective inverse optimisation for additive manufacturing of lattice structures using a physics-enhanced data-driven method	11
Fast optimisation procedure for the selection of L-PBF parameters based on utility function	11
Robot-assisted conformal additive manufacturing for continuous fibre-reinforced grid-stiffened shell structures	11
Automated post-processing of 3D-printed parts: artificial powdering for deep classification and localisation	11
Hybrid design and prototyping of metamaterials and metasurfaces	11
Microstructure evolution and mechanical properties of wire arc additively manufactured Mg-Gd-Y-Zr alloy by post heat treatments	11
Heterogeneous sensor data fusion for multiscale, shape agnostic flaw detection in laser powder bed fusion additive manufacturing	11
Study on powder particle behavior in powder spreading with discrete element method and its critical implications for binder jetting additive manufacturing processes	11
Effect of hot isostatic pressing treatment on porosity reduction and mechanical properties enhancement of 316L stainless steel fabricated by binder jetting	11
Topology optimisation for vat photopolymerization 3D printing of ceramics with flushing jet accessibility constraint	10
Revealing the apparent and local mechanical properties of heterogeneous lattice: a multi-scale study of functionally graded scaffold	10
Tensile strength and wear resistance of glass-reinforced PA1212 fabricated by selective laser sintering	10
Effect of Fe addition on the microstructure, transformation behaviour and superelasticity of NiTi alloys fabricated by laser powder bed fusion	10
Advancements and applications of multiple wire processes in additive manufacturing: a comprehensive systematic review	10
High cycle fatigue behaviour of Invar 36 alloy fabricated by laser powder bed fusion	10
Metal droplet printing of tube with high-quality inner surface via helical printing trajectory and soluble support	10
A ribbed strategy disrupts conventional metamaterial deformation mechanisms for superior energy absorption	10
A flow-rate-controlled double-nozzles approach for electrochemical additive manufacturing	9
Colourful 3D anti-counterfeiting label using nanoscale additive manufacturing	9
Use of creep and recovery protocol to assess the printability of fibre-reinforced 3D printed white Portland cement composites	9
High-strength Al–5Mg ₂ Si–2Mg–2Fe alloy with extremely high Fe content for green industrial application through additive manufacturing	9
Mechanical characterisation and crashworthiness performance of additively manufactured polymer-based honeycomb structures under in-plane quasi-static loading	9
Additive manufacturing and large deformation responses of highly-porous polycaprolactone scaffolds with helical architectures for breast tissue engineering	9
The effects of processing parameters on mechanical properties of 3D-printed polyhydroxyalkanoates parts	9
Material extrusion additive manufacturing of high particle loaded suspensions: a review of materials, processes and challenges	8
Simultaneously enhanced strength and ductility of AlSi7Mg alloy fabricated by laser powder bed fusion with on-line static magnetic field	8
Preparation of iron oxide–coated aramid fibres for improving the mechanical performance and flame retardancy of multi jet fusion–printed polyamide 12 composites	8
Understanding the influence of alloying elements on the print quality of powder bed fusion-based metal additive manufacturing: Ta and Cu addition to Ti alloy	8
Unconventional precipitation and martensitic transformation behaviour of Ni-rich NiTi alloy fabricated via laser-directed energy deposition	8
Co-continuous structure enhanced magnetic responsive shape memory PLLA/TPU blend fabricated by 4D printing	8
Evading the strength-ductility trade-off dilemma in steel-nickel heterostructured material by bionic crossed-lamellar structures	8
Impact of gas flow direction on the crystallographic texture evolution in laser beam powder bed fusion	8
Laser powder bed fusion as a net-shaping method for reaction bonded SiC and B₄C	8
Mechanical dependence of 3D-printed thermoplastic polyurethane reinforced with minor continuous carbon fibres	8
Modelling and simulation of metal additive manufacturing processes with particle methods: A review	8
The role of overlap region width in multi-laser powder bed fusion of Hastelloy X superalloy	8
Healing cracks in additively manufactured NiTi shape memory alloys	8
Field assisted additive manufacturing for polymers and metals: materials and methods	7
The development of a modular design workflow for 3D printable bioresorbable patient-specific bone scaffolds to facilitate clinical translation	7
Lightweight porous support structure design for additive manufacturing via knowledge-based bio-inspired volume generation and lattice configuration	7
Investigation of microstructures and strengthening mechanisms in an N-doped Co-Cr-Mo alloy fabricated by laser powder bed fusion	7
Exploring carbon sequestration potential through 3D concrete printing	7
Modelling, optimization, and testing of novel cuboidal spherical plate lattice structures	7
Characterization of the effect of in-process annealing using a novel print head assembly on the ultimate tensile strength & toughness of Fused Filament Fabrication (FFF) parts	7
Multiphysics modelling of powder bed fusion for polymers	7
W7Ni3Fe-Ti6Al4V bimetallic layered structures via directed energy deposition	7

Boron-induced microstructural manipulation of titanium and titanium alloys in additive manufacturing	7
Topology optimisation of self-supporting structures based on the multi-directional additive manufacturing technique	6
Origin of deposition errors and layer-wise control strategies during laser additive manufacturing	6
Concurrent multiscale topology optimisation towards design and additive manufacturing of bio-mimicking porous structures	6
Grain refinement of NiTi alloys during ultrasound-assisted wire-arc directed energy deposition	6
A multi-materials 3D-printed continuous conductive fibre-based metamaterial for broadband microwave absorption	6
Maximising 3D printed supercapacitor capacitance through convolutional neural network guided Bayesian optimisation	6
An integrated multiscale simulation guiding the processing optimisation for additively manufactured nickel-based superalloys	6
A novel experimental method for in situ strain measurement during selective laser melting	6
Effect of electropolishing on mechanical property enhancement of Ti6Al4V porous materials fabricated by selective laser melting	6
Additive manufacturing of selected ecofriendly energy devices	6
A methodology to design and fabricate a smart brace using low-cost additive manufacturing	6
Mechanical properties characterisation of metallic components produced by additive manufacturing using miniaturised specimens	6
In-situ monitoring of the melt pool dynamics in ultrasound-assisted metal 3D printing using machine learning	6
Performance evaluation of in-situ near-infrared melt pool monitoring during laser powder bed fusion	5
An ultrabroadband metamaterial absorber based on remarkable magnetic coupling via constructing conductive composite resonators and magnetic gradient gyroid structure	5
Virtual surface morphology generation of Ti-6Al-4V directed energy deposition via conditional generative adversarial network	5
Numerical modelling of the viscoelastic polymer melt flow in material extrusion additive manufacturing	5
Dimensional effect and mechanical performance of node-strengthened hybrid lattice structure fabricated by laser powder bed fusion	5
High-density WC–45Cr–18Ni cemented hard metal fabricated with binder jetting additive manufacturing	5
Additively manufactured multi-functional metamaterials: low coefficient of thermal expansion and programmable Poisson’s ratio	5
Increasing perpendicular alignment in extruded filament by an orifice embedded 3D printing nozzle	5
The strengthening mechanism synergy of heat-treated 3D printed Al-Sc alloy	5
4D printed thermally tunable metasurface with continuous carbon fibre	5
A time-variant reliability analysis framework for selective laser melting fabricated lattice structures with probability and convex hybrid models	5
Prototyping a novel compact 3-DOF hydraulic robotic actuator via metallic additive manufacturing	5
Design of an additively manufactured hydraulic directional spool valve: an industrial case study	5
Advancing the additive manufacturing of PLA-ZnO nanocomposites by fused filament fabrication	5
Integrated vehicle chassis fabricated by wire and arc additive manufacturing: structure generation, printing radian optimisation, and performance prediction	5
4D printing of magneto-responsive polymer structures by masked stereolithography for miniaturised actuators	5
Influence of Mo micro-particles on crack formation, microstructure, and mechanical behaviour of laser powder bed fusion fabricated CuZrAl bulk metallic glass composites	5
Rapid printing of nanoporous 3D structures by overcoming the proximity effects in projection two-photon lithography	5
Additive manufacturing in COVID-19: recognising the challenges and driving for assurance	5
Multi-objective optimisation of process parameters for laser-based directed energy deposition of a mixture of H13 and M2 steel powders on 4Cr5Mo2SiV1 steel	4
Novel method of residual stress reduction for AlSi10Mg manufactured using selective laser melting without compromise of mechanical strength	4
Conformal laser printing and laser sintering of Ag nanoparticle inks: a digital approach for the additive manufacturing of micro-conductive patterns on patterned ﬂexible substrates	4
Non-destructive testing of metal-based additively manufactured parts and processes: a review	4
Allocation and scheduling of deposition paths in a layer for multi-robot coordinated wire and arc additive manufacturing of large-scale parts	4
Assessing the thermal stability of laser powder bed fused AlSi10Mg by short-period thermal exposure	4
Large-format additive manufacturing of polymers: a review of fabrication processes, materials, and design	4
In situ X-ray tomography of fracture behaviour in low-porosity L-PBF AlSi10Mg alloy with laser shock peening	4
Integrated free-standing WS ₂ 3D-printed carbon supercapacitor with solid state electrolyte	4
Magnetically-assisted digital light processing 4D printing of flexible anisotropic soft-Magnetic composites	4
Prediction of low-cycle fatigue properties of additive manufactured IN718 by crystal plasticity modelling incorporating effects from crystallographic orientations and defects	4
Carbon nanotubes/α-ZrP sheets for high mechanical performance and flame-retarding polyamides using selective laser sintering	4
Bio-inspired tubular hierarchical porous materials with selective liquids absorption	4
Additively manufactured aluminium nested composite hybrid rocket fuel grains with breathable blades	4
A critical review of additive manufacturing technology in rehabilitation medicine via the use of visual knowledge graph	4
Vat photopolymerisation 3D printing of graphene-based materials	4
Laser metal deposition characterization study of metal additive manufacturing repair of rail steel specimens	4
Truss-plate hybrid lattice metamaterials with broadband vibration attenuation and enhanced energy absorption	3
Ti/β-TCP composite porous scaffolds fabricated by direct ink writing	3
The high-temperature deformation and microstructural evolution mechanism of Mg-Gd-Y-Zn-Zr alloy formed by CMT arc additive forming	3
Amorphous/crystalline Zn ₆₀ Zr ₄₀ alloys lattice structures with improved mechanical properties fabricated by mechanical alloying	3
A BIM-enabled robot control system for automated integration between rebar reinforcement and 3D concrete printing	3
Enhancing the sensitivity of 3D printed sensors via ironing and void reduction	3
Prediction of multi-bead profile of robotic wire and arc additive manufactured components recursively using axisymmetric drop shape analysis	3
Design of a novel crack-free precipitation-strengthened nickel-based superalloy and composites for laser powder bed fusion	3
Influence of design parameters on the flexural properties of a bio-inspired suture structure	3
Detection and quantitative evaluation of surface defects in wire and arc additive manufacturing based on 3D point cloud	3
High-precision digital light processing (DLP) printing of microstructures for microfluidics applications based on a machine learning approach	3
Terahertz reconfigurable multi-functional metamaterials based on 3D printed mortise-tenon structures	3
Modelling and researching the evolution of stress during arc-directed energy deposition (ADED) hybrid inter-layer hammering	3
Manipulating melt pool thermofluidic transport in directed energy deposition driven by a laser intensity spatial shaping strategy	3
Effect of heat treatment on the microstructure and mechanical properties of Mg-Gd-Y-Zr alloys fabricated by wire arc additive manufacturing	3
Laser additively manufactured crack-free aluminum-bearing high entropy alloys: alloy design, synthesis, cracking inhibition and microstructure evolution effects on their tensile properties	3
Manufacturing-oriented review on 3D printed lithium-ion batteries fabricated using material extrusion	3
Virtual characterisation of porcupine quills using X-ray micro-CT	3
Enhanced bone regeneration with bioprinted GelMA/Bentonite scaffolds inspired by bone matrix	3
Numerical and constitutive modeling of quasi-static and dynamic mechanical behavior in graded additively manufactured lattice structures	3
A topology optimisation-based design method for 3D Voronoi porous structures and its application for medical pillows	3
Enhanced fatigue life of additively manufactured high-strength TiB ₂ -reinforced Al-Cu-Mg-Ag composite through in-process surface modification during hybrid laser pr	3
A novel model for directed energy deposition-arc based on in-order stacking of primitives	3
Additive manufacturing of self-sensing parts through material extrusion	3
Shrinkage prediction and correction in material extrusion of cellulose-chitin biopolymers using neural network regression	3
From semisolid metal processing to thixotropic 3D printing of metallic alloys	3
3D-VAT printing of nanocomposites by photopolymerisation processes using amino-meta-terphenyls as visible light-absorbing photoinitiators	3