OOIR: Observatory of International Research

Papers

(The TQCC of Virtual and Physical Prototyping is 17. 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 2022-06-01 to 2026-06-01.)

Article	Citations
Wire-arc directed energy deposition of metal using a tendon-driven soft robotic gun: prototyping and conceptual validation	165
4D printed shape memory alloy binary bits for unconventional information processing	109
Autonomous intelligent additive manufacturing of continuous fiber-reinforced composites: data-enhanced knowledgebase and multi-sensor fusion	109
Lightweight porous support structure design for additive manufacturing via knowledge-based bio-inspired volume generation and lattice configuration	102
Ionic substitution through bredigite doping for microstructure and performance adjustment in DLP 3D-printed TPMS porous HA bone scaffolds	101
Crystallography-driven deciphering of microstructural gradients in wire-arc additively manufactured components and promotion of microstructural homogeneity	100
Smart-substrate: a novel structural design to avert residual stress accretion in directed energy deposition additive manufacturing	89
Laser-based directed energy deposition of Monel K-500 and Stellite 6 multi-materials	87
Additive manufacturing of high-performance aluminium nitride ceramics using high solid loading and low viscosity slurry	78
Machine learning enabled 3D printing parameter settings for desired mechanical properties	72
Post-heat treatment of laser powder bed fusion Al-Mn-Sc alloy: synergetic enhancement of mechanical property and corrosion resistance	72
A part-level simulation method considering thermal-mechanical contact between multiple filaments for material extrusion processes	71
Flexible bio-composites with continuous natural fibre and bamboo charcoal: enhanced flame retardancy, mechanical resilience, energy-absorbing & printability performance	70
Regulating mechanical properties of laser powder bed fusion manufactured CoCrFeMnNi high-entropy alloy using oversaturated boron doping	69
Laser powder bed fusion processing of Cu-Invar continuous gradient alloys with controllable thermal-mechanical properties	66
Explainable AI analysis of printing parameter effects on life cycle assessment for sustainable material-extrusion additive manufacturing	63
Recent advances in 3D bioprinting of tissues and organs for transplantation and drug screening	62
Sc/Zr microalloying on strength-corrosion performance synergy of wire-arc directed energy deposited Al-Mg	60
Study on the fabrication and mechanical properties of SiC _p /SiC gradient lattice structure based on selective laser sintering technology	58
Adaptive design and multi–material additive manufacturing of a rigid–flexible lower–limb prosthetic socket featuring shape–performance synergy	58
Sustainable product design by large format additive manufacturing of cork composites	56
Healing cracks in additively manufactured NiTi shape memory alloys	55
Multifunctional and multimaterial contact lenses: tailored solutions for tunable color filtering and tear pH sensing	55
Vat photopolymerisation 3D printing of graphene-based materials	53
Advancements and applications of multiple wire processes in additive manufacturing: a comprehensive systematic review	52

Study on powder particle behavior in powder spreading with discrete element method and its critical implications for binder jetting additive manufacturing processes	51
Improved strength-ductility synergy of directed energy deposited AZ31 magnesium alloy with cryogenic cooling mode	51
Direct wire writing technique benefitting the flexible electronics	50
0-to-270° wide pattern reconfigurable antenna using 3D-Printed single quasi-yagi antenna with shape memory hinge	49
Prediction of low-cycle fatigue properties of additive manufactured IN718 by crystal plasticity modelling incorporating effects from crystallographic orientations and defects	49
Exploration on mechanical response mechanism of laser melting deposited TiB _W /Ti–6Al–4V via in situ c	47
Non-professional phagocytosis of senescent cancer cells revealed in a 3D-bioprinted model of an irradiated lung tumour	47
Auto-support: traction force constrained support structures optimization for bottom-up vat photopolymerization	46
Mass transport and porous structure evolution during solvent debinding of additively manufactured stainless steel	46
Interlayer laser cladding SiC regulates microstructure and mechanical properties of Ti-6Al-4V arc-directed energy deposited components	44
Enabling AI-Controlled additive manufacturing with real-time multiphysics digital twins	43
Additively manufactured metamaterials for acoustic absorption: a review	43
4D printing of shape-programmable polymer-derived ceramics via two-stage folding-assisted pyrolysis strategy	43
Microstructure homogenization and strength-ductility synergy improvement of the hybrid additive manufactured dual-phase titanium alloy by sub-critical annealing	43
Concurrent multiscale topology optimisation towards design and additive manufacturing of bio-mimicking porous structures	42
Magnetically-assisted digital light processing 4D printing of flexible anisotropic soft-Magnetic composites	41
Leveraging clay formwork 3D printing for reinforced concrete construction	41
Mechanical properties characterisation of metallic components produced by additive manufacturing using miniaturised specimens	41
Robotics-assisted modular assembly of bioactive soft materials for enhanced organ fabrication	41
Mechanism and performance of thermal radiation recycling for in-space 3D printed continuous carbon fibre-reinforced PEEK composites	41
The enhanced mechanical properties of laser powder bed fusion Al-Mn-Sc alloy via non-isothermal aging	40
Characterisation and dripping anomaly detection in co-axial wire laser-directed energy deposition using acoustic emission	40
Heat transfer performance of CuCrZr/AlSi7Mg multi-material heat sinks with triply periodic minimal surface manufactured by laser powder bed fusion	38
Hybrid additive manufacturing of ultra-fine high-resolution shell–core structured conductive mesh-based flexible transparent electrodes for flexible displays	38
Microstructure and mechanical properties of S217 nickel aluminum bronze alloy fabricated by wire arc additive manufacturing	38
Microstructure evolution and strengthening mechanism of TiC/ Ti6Al4 V composites fabricated by selective laser melting during isothermal deformation	38
Reducing solidification cracks and enhancing mechanical performance in additively manufactured Cu-Ti alloys via chemical fluctuation manipulation	37
Achieving high-strength, hierarchically porous SiC ceramics with micron-scale periodic architecture via vat photopolymerization	37
Defects, monitoring, and AI-enabled control in soft material additive manufacturing: a review	37
Inverse design of face-like 3D surfaces via bi-material 4D printing and shape morphing	36
3D-printed multiscale hierarchical thermoplastic polyurethane/aramid nanofiber structures with enhanced energy absorption via in-Situ foaming technology	35
UV cross-linkable hybrid resins for additive manufacturing to achieve high performance and body-temperature programmable shape memory effect	35
Tuning cryogenic strength-ductility synergy and phase stability in an additively manufactured 316L through in-situ alloying	34
Correction	34
Microstructure and properties of Ni–Ti–Cu alloy fabricated in situ by treble-wire arc additive manufacturing	34
Achieving high strength in 430 stainless steel by laser powder bed fusion: microstructure-property relationships and strengthening strategies	34
Deformation mechanism of dislocation slip and kinking behaviour in dynamic compression response of TiZrHfNb alloy fabricated by laser directed energy deposition	33
Amorphous/crystalline Zn ₆₀ Zr ₄₀ alloys lattice structures with improved mechanical properties fabricated by mechanical alloying	33
Open-source computer vision software for advanced visualisation and quantification of melt electrowriting jets	33
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	33
Hybrid 3D microfluidic bioprinting for the engineering of cancer models and tissue substitutes	32
Enhancing mechanical performance of elastomeric vat-photopolymerized resins via functionalized cellulose nanocrystals	32
In-process filament repair in 3D concrete printing with instance segmentation	32
Dimensional effect and mechanical performance of node-strengthened hybrid lattice structure fabricated by laser powder bed fusion	32
A dragonfly-inspired metamaterial device with tunable stiffness and damage-sensitive dynamic response	32
Steel grid-reinforced aluminum matrix composite prepared via wire-based friction stir additive manufacturing	31
Fabrication of bimetallic interpenetrating structures with enhanced impact resistance via 3D-printing of high-entropy alloy lattices and vacuum melt infiltration of Al-based alloys	31
Elastically isotropic auxetic and zero-Poisson’s ratio TPMS-based metamaterials	31
Processability improvement and strength enhancement in laser powder bed fusion of AlMgZr and AlMgZr-Ti alloys	31
Spider web-inspired continuous fibre floating 3D printing for large lightweight mesh structures	31

Technological progress and challenges of volumetric additive manufacturing technology	30
Advancements in surface finish for additive manufacturing of metal parts: a comprehensive review of plasma electrolytic polishing (PEP)	30
Vat photopolymerization three-dimensional printing of PEGDA/LiClO ₄ solid polymer electrolytes with optimised accuracy and electrochemical-mechanical	30
Investigation of microstructures and strengthening mechanisms in an N-doped Co-Cr-Mo alloy fabricated by laser powder bed fusion	30
A novel design strategy to enhance buckling resistance of thin-walled single-cell lattice structures via topology optimisation	30
Inhomogeneity and anisotropy of Al-Zn-Mg-Cu alloy manufactured by wire arc additive manufacturing: microstructure, mechanical properties, stress corrosion cracking susceptibility	30
Mechanical property enhancement in additively manufactured NiTi double-asymmetric honeycombs with bioinspired graded design	30
Enhanced cracking resistance and deposition of alloy 36 via accelerated cooling and TiC addition during wire arc additive manufacturing	29
Monitoring of functionally graded material during laser directed energy deposition by acoustic emission and optical emission spectroscopy using artificial intelligence	29
Virtual rapid prototyping of materials with deep learning: spatiotemporal stress fields prediction in ceramics employing convolutional neural networks and transfer learning	29
Process-structure multi-objective inverse optimisation for additive manufacturing of lattice structures using a physics-enhanced data-driven method	29
Ultra sonic spray coating of silica nanocomposites for smoothening 3D-printed fused silica glass and metal casted injection molding tools	28
High-pressure in situ interlayer strengthening process for polyetheretherketone material extrusion	28
Achieving high strength and ductility in chemically complex intermetallic alloys manufactured by laser powder bed fusion	28
Numerical and constitutive modeling of quasi-static and dynamic mechanical behavior in graded additively manufactured lattice structures	27
Magnetic alignment and electron beam post-curing of NdFeB materials via lithography-based composite manufacturing	27
Effect of Fe addition on the microstructure, transformation behaviour and superelasticity of NiTi alloys fabricated by laser powder bed fusion	27
Enhancement of laser energy absorption in high-reflectivity Cu-Cr-Zr alloy through laser powder bed fusion process optimisation using an interaction-term regression analytic method	26
A bioinspired design approach for biomechanically matched tracheal stents	26
Bio-inspired tubular hierarchical porous materials with selective liquids absorption	26
The formation mechanism of metal-ceramic interlayer interface during laser powder bed fusion	26
Thermal-mechanical coupled regulation of Ti-22Al-25Nb/Ti-6Al-4V bimetallic structures during an alternating ultrasonic surface rolling – laser directed energy deposition hybrid process	26
Manufacture dependent differential biodegradation of 3D printed shape memory polymers	25
Laser powder bed fusion of 316L stainless steel and K220 copper multi-material	25
Near-infrared light-driven programmable shape memory polymer for self-shaping 3D printing methods	25
Material extrusion additive manufacturing of high particle loaded suspensions: a review of materials, processes and challenges	24
Additively manufactured 3D-architected alveolar bone reconstruction scaffolds derived from extracted natural teeth: computational modelling and feasibility evaluation	24
4D printed NiTi variable-geometry inlet for aero engines	24
Revealing the effect of layer-varying deposition strategy on laser-directed energy deposition bionic gradient NiTi alloy	24
Boron-induced microstructural manipulation of titanium and titanium alloys in additive manufacturing	24
Design of new 18Ni- x Ti maraging steel harnessing intrinsic heat treatment effect of additive manufacturing	24
Multi-objective optimisation of process parameters for laser-based directed energy deposition of a mixture of H13 and M2 steel powders on 4Cr5Mo2SiV1 steel	24
Recent progress in 4D printed energy-absorbing metamaterials and structures	23
Performance and failure modes of continuous fibre-reinforced energy absorption tubes by cylindrical layered 3D printing	23
Influence of design parameters on the flexural properties of a bio-inspired suture structure	23
A comprehensive transformation-thermomechanical model on deformation history in directed energy deposition of high-speed steel	23
Analysis of uncertainty-driven thermal histories in fused filament fabrication under material and process variability	23
Quantitative investigation of thermal evolution and graphitisation of diamond abrasives in powder bed fusion-laser beam of metal-matrix diamond composites	23
Development of a universal multimodal prediction method to optimise process parameters for improving densification during laser powder bed fusion	23
Comparative analysis of structural build-up in one-component stiff and two-component shotcrete-accelerated set-on-demand mixtures for 3D concrete printing	22
Effect of toolpath in large-format additive manufacturing with bio-derived composites	22
Colourful 3D anti-counterfeiting label using nanoscale additive manufacturing	22
Screw material extrusion of super soft thermoplastic elastomer for additive manufacturing of inflatables	22
Wire-arc additive manufacturing of TiB/Ti6Al4V composites using Ti-TiB ₂ cored wire: processing, microstructure and mechanical properties	22
Enhancing mechanical and tribological properties of laser-based directed energy deposited IN718 alloy via synchronised high repetition laser shock peening	22
Effect of heat treatment and electroless Ni-P coating on mechanical property and corrosion behaviour of 316L stainless steel fabricated by laser powder bed fusion	21
In-situ fabrication of martensitic stainless steel via heterogeneous double-wire arc-directed energy deposition	21
The effects of processing parameters on mechanical properties of 3D-printed polyhydroxyalkanoates parts	21
Modeling and application of droplet oscillation momentum for elucidating the development of surface roughness in wire-arc additive manufacturing	21
Advancing the additive manufacturing of PLA-ZnO nanocomposites by fused filament fabrication	21
Five-axis coordinated multi-material simultaneous 3D printing for geometrically conformal multi-material structures	21
Effect of hot isostatic pressing on porosity of wire-arc directed energy deposited TZM/NbZr1 bimetallic structure	21
Influence of volumetric energy density on the tribological behaviors of pure nickel fabricated by laser powder bed fusion	21
Manufacturing-oriented review on 3D printed lithium-ion batteries fabricated using material extrusion	21
Grain refinement of NiTi alloys during ultrasound-assisted wire-arc directed energy deposition	21
Microstructure modulation and property enhancement via an underwater induction heating treatment strategy for underwater laser-directed energy deposition of Ti-6Al-4V	21
Microstructure, mechanical properties and corrosion resistance of laser direct energy deposited AlMo _0.25 FeCoCrNi _2.1 high-entrop	21
Data-Driven autonomous printing process optimization and real-time abnormality identification in aerosol jet-deposited droplet morphology	21
Non-planar slicing for high-genus surfaces with non-coplanar interfaces	21
Morphing shield technology for chamber-free LW-DED in open atmosphere: a transformative approach to oxidation control for Ti-6Al-4V	21
Digital light processing 3D printing of large-scale and crack-free ceramics with perforated internal honeycomb structures	20
Unveiling droplet size evolution in aerosol jet printing processing via numerical simulation	20
Hetero-hierarchical tessellated architected materials towards high mechanical performances and high manufacturability	20
Bighorn sheep horn-based metamaterial lattice structures for targeted energy absorption applications	20
Occlusion-based model weighting for volumetric additive manufacturing around inserts	20
Development and experimental evaluation of surface enhancement methods for laser powder directed energy deposition microchannels	20
Achieving superior strength-ductility combination in the heterogeneous microstructured Ti64 alloy via multi-eutectoid elements alloying with CoCrFeNiMn during laser powder bed fusion	20
Insight into the limitation of the Beer–Lambert law in stereolithography ceramic 3D printing: a study on irradiance parameters and slurry curing	20
Lace 3D printing for deployable mechanical metamaterials	20
Achieving high strength and ductility in Inconel 718: tailoring grain structure through micron-sized carbide additives in PBF-LB/M additive manufacturing	20
The microstructure and mechanical properties of nitinol manufactured by LPBF: differences between Ni-rich and Ti-rich compositions	20
Architecture of Ti–6Al–4V thin-walled microthrusters fabricated via laser powder bed fusion	20
Cracking behaviour, microstructure evolution, and mechanical properties of GH4169/K477 by laser directed energy deposition	20
A critical review of additive manufacturing technology in rehabilitation medicine via the use of visual knowledge graph	19
Binder jetting printed in situ mullite strengthened alumina ceramics with excellent mechanical and thermal properties through multi-phase infiltration	19
Optimum specimen geometries for representation of bulk behaviour of additive manufactured polymeric lattice structures	19
Stabilising mechanism of cathode jet and droplet transfer in hybrid-laser–GMAW-based directed energy deposition of titanium alloy	19
Hybrid additive manufacturing of low-temperature consolidation substrates based on sodium silicate solution polycondensation	19
Graph attention-based dynamical and causal spatiotemporal learning for anomaly detection in additive manufacturing	19
Unveiling microstructure evolution and governing factors for mechanical and magnetic response in electron beam powder bed fusion processed Zr-based biomedical alloys	19

Valorisation of vegetable food waste utilising three-dimensional food printing	19
Design and manufacture of low-frequency acoustic absorption metamaterials with enhanced coupling characteristic	19
Effect of Fe content on tensile properties of TA15 alloy with equiaxed microstructure produced by laser directed energy deposition	19
Bio-inspired hierarchical metamaterials: cross-configuration shape optimisation for NPR retention and simultaneous stiffness-strength-energy absorption	19
Fundamental investigation into mass transfer process and microstructural transformation pathways in Ti-6Al-4V via underwater wire-laser directed energy deposition	19
Design of an additively manufactured hydraulic directional spool valve: an industrial case study	19
Mechanical performance, fatigue behaviour, and biointegration of additively manufactured architected lattices	19
Towards supportless laser powder bed fusion: fundamental understanding of the formation of 1 ^st layer overhang through parameter optimisation and in-situ high-speed	19
Reinforcement learning-based toolpath optimisation with 3D U-Net driven rapid thermal prediction	19
4D printed thermally tunable metasurface with continuous carbon fibre	19
SLA printing of shape memory bio-based composites consisting of soybean oil and cellulose nanocrystals	18
Heterogeneous microstructure and mechanical behaviour of Al-8.3Fe-1.3V-1.8Si alloy produced by laser powder bed fusion	18
Digital light processing of Zr-doped NiFe self-supported electrodes for efficient and stable high-current-density oxygen evolution	18
The theoretical model and verification of electric-field-driven jet 3D printing for large-height and conformal micro/nano-scale parts	18
Achieving sustainability by additive manufacturing: a state-of-the-art review and perspectives	18
In-process thermal monitoring of the extrusion additive manufacturing process with high temperature polymers	18
Effect of nitrogen concentration on microstructure and mechanical properties of AlSi10Mg matrix composites fabricated by laser powder bed fusion	18
Additively manufactured biodegradable Zn metamaterials with tunable Poisson’s ratio and enhanced mechanical properties	18
Electron beam powder bed fusion enables crack-free, high-strength and sufficiently ductile chemically complex intermetallic alloys	18
Interactive infill topology optimisation guided by user drawn patterns	18
A novel interlayer cleaning methods for improving internal quality in wire-arc directed energy deposition: processing, characterisation and performance demonstration	18
Rice husk 4D printing in architecture: hygromorphic bi-directional self-shaping building skin	18
Investigation of the mechanical properties of polyimide fiber/polyamide 12 composites printed by Multi Jet Fusion	18
Advances in interlayer bonding in fused deposition modelling: a comprehensive review	18
Porosity in cored-wire-arc directed energy deposition of TiC/Al composite: formation mechanism and inhibition strategy	18
Advancements and challenges in overhang structure fabrication during laser powder bed fusion: a comprehensive review	18
Integrated control mechanism of ultrasound and ZrO ₂ particles on differential microstructures for the wire arc additive manufacturing	17
Improvements of microstructure and mechanical properties of wire-arc directed energy deposition 2024 aluminum alloy after adding TiC nanoparticles	17
Vat photopolymerisation 3D printing of ceramic core with regulation on rheological and curing behaviour based on spherical powders	17
One-step digital printing of microneedle array via self-focusing photo polymerization	17
Selective laser melting fabrication of body-temperature shape memory NiTi alloy for 4D-printed orthopedic implants	17
3D Printing of chewable oral tablets using drug nanosuspension inks: an experimental and machine learning study	17
Frequency- and bandwidth-controllable electromagnetic absorber using 3D-printed shape memory meta-wires	17
Accelerating lPBF process optimisation for NiTi shape memory alloys with enhanced and controllable properties through machine learning and multi-objective methods	17
Compositionally gradient Al ₂ O ₃ –B ₄ C/Al com	17