ArticleNature communications2024
Pore evolution mechanisms during directed energy deposition additive manufacturing.
Article in Nature communications, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
What it found
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Who cites it
16 citing papers in PubMed.
- Mixing-Driven Defects and Composition Evolution in Multi-Material Metal Additive Manufacturing.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Biomedical titanium-tantalum alloys for orthopedic implant applications: From manufacturing to biological performance.Bioactive materials · 2026Review
- A Generic Geometric Code-Parsing Framework for Corner Optimization in Curved-Surface Directed Energy Deposition.Materials (Basel, Switzerland) · 2026Article
- Quantifying Additive Manufacturing Vapor Plumes Using Laser-Induced Breakdown Spectroscopy, Synchrotron X-Ray Radiography and Simulations.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Monitoring and Control of the Direct Energy Deposition (DED) Additive Manufacturing Process Using Deep Learning Techniques: A Review.Materials (Basel, Switzerland) · 2025Review
- Designing an Additively Manufactured Ti-Al-Fe Alloy with a Wide Process Window.Materials (Basel, Switzerland) · 2025Article
- Influence of Laser Metal Deposition Process Parameters on the Structural Integrity of CuSnMaterials (Basel, Switzerland) · 2025Article
- Advancements in In-Situ Monitoring Technologies for Detecting Process-Induced Defects in the Directed Energy Deposition Process: A Comprehensive Review.Materials (Basel, Switzerland) · 2025Review
- Crack-Mitigating Strategy in Directed Energy Deposition of Refractory Complex Concentrated CrNbTiZr Alloy.Materials (Basel, Switzerland) · 2025Article
- Multiphysics Modeling of Heat Transfer and Melt Pool Thermo-Fluid Dynamics in Laser-Based Powder Bed Fusion of Metals.Materials (Basel, Switzerland) · 2025Article
- Effect of ultrasonic atomization parameters on AlSi12 aluminum powder characteristics for additive manufacturing.Scientific reports · 2025Article
- A Novel Spatter Detection Algorithm for Real-Time Quality Control in Laser-Directed Energy Deposition-Based Additive Manufacturing.Sensors (Basel, Switzerland) · 2025Article
- Transport processes and coalescence of two entrapping bubbles during upward solidification.Heliyon · 2025Article
- Non-destructive detection of critical defects in additive manufacturing.Scientific reports · 2025Article
- Event-guided temporally super-resolved synchrotron X-ray imaging.Communications physics · 2025Article
- Mitigation of Gas Porosity in Additive Manufacturing Using Experimental Data Analysis and Mechanistic Modeling.Materials (Basel, Switzerland) · 2024Article
Corrections and comments
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Authors and funding
15 authors.
Funding
Abstract
Porosity in directed energy deposition (DED) deteriorates mechanical performances of components, limiting safety-critical applications. However, how pores arise and evolve in DED remains unclear. Here, we reveal pore evolution mechanisms during DED using in situ X-ray imaging and multi-physics modelling. We quantify five mechanisms contributing to pore formation, migration, pushing, growth, removal and entrapment: (i) bubbles from gas atomised powder enter the melt pool, and then migrate circularly or laterally; (ii) small bubbles can escape from the pool surface, or coalesce into larger bubbles, or be entrapped by solidification fronts; (iii) larger coalesced bubbles can remain in the pool for long periods, pushed by the solid/liquid interface; (iv) Marangoni surface shear flow overcomes buoyancy, keeping larger bubbles from popping out; and (v) once large bubbles reach critical sizes they escape from the pool surface or are trapped in DED tracks. These mechanisms can guide the development of pore minimisation strategies.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.