Results 61 to 70 of about 3,216 (204)

Reverse Engineering and Performance Evaluation of a Pump Impeller Fabricated With Additive Manufacturing

Chemie Ingenieur Technik, EarlyView.
This study explores the process chain for reverse engineering and additive manufacturing of a water pump impeller in a process plant. Key aspects include digital twin creation, CAD redesign, material certification, Hirtisation postprocessing, and performance testing. Insights highlight iterative design for improved precision and reliability.
Michael Stadler, Kati Schatz, Sebastian Rehfeldt, Harald Klein   +3 more
wiley   +1 more source

Productive Energy Fluence (PEF) controller using feed and laser hybrid control for Directed Energy Deposition (DED) [PDF]

In metal additive manufacturing (AM), the laser powder-based directed energy deposition (DED) process stands out as a highly promising approach, enabling rapid, layer-wise fabrication and repair of high-volume, complex geometries.
Zhang, Weijun, Soshi, Masakazu, Yang, Muqing, Li, Geng   +3 more
core   +1 more source

Process Development to Repair Aluminum Components, Using EHLA and Laser-Powder DED Techniques

Journal of Manufacturing and Materials Processing
The article presents a new AM (Additive Manufacturing) process development, necessary to repair parts made from Aluminum 6061 material, with T6 treatment. The laser Directed Energy Deposition (DED) and Extreme High-Speed Directed Energy Deposition (EHLA)
Adrienn Matis, Min-Uh Ko, Richard Kraft, Nicolae Balc   +3 more
doaj   +1 more source

Enhanced Photocatalytic Antibiotic Micropollutants Removal Resulting From a Synergism Between Cu Single Atoms and Carbon Vacancies on Graphitic Carbon Nitride

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Scheme of the synergistic degradation for antibiotic micropollutants in the Cu/ag‐C3N4 system. Photocatalytic processes driven by visible‐light irradiation offer a sustainable means of micropollutants removal from aquatic environments without the addition of reagents.
Xiaozhe Song, Cong Yan, Qinghua Yan, Congzhe Ren, Xin Liu, Ruiyan Zhang, Lei Chen, Chongqing Xu, Zhouyang Long, Wenyu Wang, Mingming Song, Xiaoguo Shi, Hui Wang   +12 more
wiley   +1 more source

Multi-energy source (MES) configuration for bead shape control in wire-based directed energy deposition (w-DED) [PDF]

, 2022
A multi-energy source (MES) method featuring a high-power scanning laser (SL) was used to achieve independent control of layer width and height in a wire-based directed energy deposition (w-DED) process.
Chen, Guangyu, Wang, Chong, Ding, Jialuo, Williams, Stewart, Suder, Wojciech   +4 more
core   +1 more source

JEMA-SINDYc: End-to-end Control using Joint Embedding Multimodal Alignment in Directed Energy Deposition [PDF]

Bringing AI models from digital to real-world applications presents significant challenges due to the complexity and variability of physical environments, often leading to unexpected model behaviors. We propose a framework that learns to translate images
Brandau, Benedikt, Brueckner, Frank, Reis, Luís Paulo, Sousa, Armando, Darabi, Roya, Hemschik, Rico, Reis, Ana, Brückner, Frank, Meireles De Sousa, Joao Paulo, Sousa, João   +9 more
core   +1 more source

Prediction of Tensile Behavior in Additively Manufactured Polymer Matrix Composites via an Integrated Analytical Approach

Polymer Composites, EarlyView.
Integrated analytical framework for tensile response of additively manufactured polymer composites, supported by experimental validation. ABSTRACT Additive manufacturing (AM) enables innovative product development through its material versatility and design freedom, further enhanced by advanced materials such as composites.
Ozgur Poyraz, Abas Abasov
wiley   +1 more source

Finite Element Modeling (FEM) of the thermal behavior of 3D printed parts during Directed Energy Deposition (DED)

Incertitudes et Fiabilité des Systèmes Multiphysiques
Additive manufacturing (AM) is an innovative and promising technology that can create complex geometries with great precision. However, parts manufactured using this technology exhibit residual stresses and distortions, which hinder widespread ...
Adnane Zoubeir, Bouchaib Radi
doaj   +1 more source

Magnetic-field-assisted directed energy deposition processing of Alnico for enhanced coercivity and magnetic anisotropy [PDF]

AIP Advances
This work reports the first demonstration of in situ magnetic-field-assisted Directed Energy Deposition (DED) for fabricating phase-separated Alnico permanent magnets.
O. Bishop, A. Duong, I. Smith, K. Snyder, E. Carpenter, R. Barua   +5 more
doaj   +1 more source

Influence of Heat Treatment and Scan Rotation on the Microstructure of Hot Work Tool Steel Manufactured using Laser Powder Bed Fusion

steel research international, EarlyView.
The study investigates the influence of heat treatment and scan rotation on the microstructure of a modified H13 tool steel manufactured using laser powder bed fusion. Key findings include the refinement of prior austenite grains (PAGs) due to recrystallization and carbide pinning, and the significant impact of scan rotation on the size distribution of
Negar Panahi, Fengxiang Lin, Christos Oikonomou, Mikael Grehk   +3 more
wiley   +1 more source