所谓直接能量沉积3D打印-DED技术(Direct energy deposition),是指由激光在沉积区域产生熔池并高速移动,材料以粉末或丝状直接送入高温熔区,熔化后逐层积的一种激光直接能量沉积增材制造技术。该技术囊括激光、等离子、电子束几种不同的热源,材料包括粉末或丝状两种主要的形态。旗下技术类型可分为LENS激光工程网状透镜(La...
2.2Directed energy deposition (DED) technique Using an intricate printing method calleddirected energy deposition, old components can often be repaired or given a material boost [16]. The structure can be managed greatly during energy deposition, producing high-quality objects. Although the nozzle isn...
Metal Additive Manufacturing (MAM) using Direct Energy Deposition (DED) is a fast-growing technological process that brings a positive boost to manufacturing industry. When compared with traditional manufacturing methods the advantages of DED are multiple, it is more cost-effective, reduces material ...
Predicting the melt pool temperature distribution and history in direct energy deposition (DED) is crucial for estimating the microstructure, porosity, and mechanical properties of DED-fabricated metal parts. While analytical and numerical modeling methods have been introduced to predict the melt pool tem...
3d打印领域的话，翻译成直接能量沉积挺常见的。
The Direct Energy Deposition (DED) process utilizes laser energy to melt metal powders and deposit them on the substrate layer to manufacture complex metal parts. This study was applied as a remanufacturing and repair process to fix used parts, which reduced unnecessary waste in the manufacturing ...
Directed Energy Deposition (DED), utilizes a concentrated heat source, which may be a laser or electron beam, with in situ delivery of powder- or wire-shaped material for subsequent melting to accomplish layer-by-layer part fabrication or single-to-multi layer cladding/repair. Direct Laser ...
F. et al. Assessing future nitrogen deposition and carbon cycle feedback using a multimodel approach: analysis of nitrogen deposition. J. Geophys. Res. Atmos. 110, D19303 (2005). Hurtt, G. C. et al. The underpinnings of land-use history: three centuries of global gridded land-use ...
Directed Energy Deposition (DED) processes allow additive manufacturing and repair of metallic components with generatively-designed complex geometries, and excellent compositional control. However, its applicability and adoption have been limited when compared to powder bed fusion (PBF) because several issu...
This paper proposes a strategy to optimize the design of the substrate structures used in Additive Manufacturing (AM) by Directed Energy Deposition (DED) to minimize the residual stresses induced by this fabrication process. To this end, several numerical analyses were performed to analyse different ...