Results 1 to 10 of about 694,148 (329)

Pore evolution mechanisms during directed energy deposition additive manufacturing [PDF]

Nature Communications
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
Kai Zhang, Yunhui Chen, Sebastian Marussi, Xianqiang Fan, Maureen Fitzpatrick, Shishira Bhagavath, Marta Majkut, Bratislav Lukic, Kudakwashe Jakata, Alexander Rack, Martyn A. Jones, Junji Shinjo, Chinnapat Panwisawas, Chu Lun Alex Leung, Peter D. Lee   +14 more
doaj   +8 more sources

Directed Energy Deposition via Artificial Intelligence-Enabled Approaches

Complexity, 2022
Additive manufacturing (AM) has been gaining pace, replacing traditional manufacturing methods. Moreover, artificial intelligence and machine learning implementation has increased for further applications and advancements. This review extensively follows
Utkarsh Chadha, Senthil Kumaran Selvaraj, Aakrit Sharma Lamsal, Yashwanth Maddini, Abhishek Krishna Ravinuthala, Bhawana Choudhary, Anirudh Mishra, Deepesh Padala, Shashank M, Vedang Lahoti, Addisalem Adefris, Dhanalakshmi S   +11 more
doaj   +2 more sources

A Review on Wire-Laser Directed Energy Deposition: Parameter Control, Process Stability, and Future Research Paths

Journal of Manufacturing and Materials Processing
Wire-laser directed energy deposition has emerged as a transformative technology in metal additive manufacturing, offering high material deposition efficiency and promoting a cleaner process environment compared to powder processes.
Nahal Ghanadi, Somayeh Pasebani
doaj   +2 more sources

Advancements in 3D Printing: Directed Energy Deposition Techniques, Defect Analysis, and Quality Monitoring

Technologies
This paper provides a comprehensive analysis of recent advancements in additive manufacturing, a transformative approach to industrial production that allows for the layer-by-layer construction of complex parts directly from digital models.
Muhammad Mu’az Imran, Azam Che Idris, Liyanage Chandratilak De Silva, Yun-Bae Kim, Pg Emeroylariffion Abas   +4 more
doaj   +2 more sources

Directed Energy Deposition of Metal Alloys

Metals
Directed energy deposition (DED) stands as an advancement in material utilization, facilitating the production of highly precise near-net shape components using wire and powders [...]
Joel Andersson
doaj   +4 more sources

The Reusability of AlSi10Mg Powder in Directed Energy Deposition

Powders
The low deposition efficiency in directed energy deposition (DED) has prompted the reuse of powders that do not fuse to the builds to make additive manufacturing more sustainable.
Parnian Kiani, Alexander D. Dupuy, Kaka Ma, Julie M. Schoenung   +3 more
doaj   +2 more sources

Acoustic Signal-Based Defect Identification for Directed Energy Deposition-Arc Using Wavelet Time-Frequency Diagrams. [PDF]

Sensors (Basel)
Several advantages of directed energy deposition-arc (DED-arc) have garnered considerable research attention including high deposition rates and low costs.
Zhang H, Wu Q, Tang W, Yang J.
europepmc   +2 more sources

Fatigue Strength Improvement of Laser-Directed Energy Deposition 316L Stainless Steel with In Situ Ultrasonic Rolling by Preliminary Investigation. [PDF]

Materials (Basel)
In this study, to improve the fatigue strength of the LDED (laser-directed energy deposition) 316L stainless steel, an in situ ultrasonic rolling technology is developed to assist the laser-directed energy deposition process (LDED-UR).
Liu G, Su Y, Pi X, Liu D, Lin Y.
europepmc   +2 more sources

Defect detection by multi-axis infrared process monitoring of laser beam directed energy deposition. [PDF]

Sci Rep
Laser beam directed energy deposition (DED-LB) is an attractive additive manufacturing technique to produce versatile and complex 3D structures on demand, apply a cladding, or repair local defects.
Herzog T, Brandt M, Trinchi A, Sola A, Hagenlocher C, Molotnikov A.   +5 more
europepmc   +2 more sources

A Review on Wire-Fed Directed Energy Deposition Based Metal Additive Manufacturing

Journal of Manufacturing and Materials Processing, 2023
Metal additive manufacturing has reached a level where products and components can be directly fabricated for applications requiring small batches and customized designs, from tinny body implants to long pedestrian bridges over rivers.
Tuğrul Özel, Hamed Shokri, Raphaël Loizeau   +2 more
doaj   +2 more sources