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...
今天我们将带领大家共同探讨下这位压轴出场的“选手”——DED直接能量沉积3D打印工艺(Direct energy deposition)。 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...
Fig. 7.9.Directed energy deposition process. The process can be used with polymers, ceramics, but is typically used with metals, in the form of either powder or wire. View chapterExplore book Additive manufacturing of metallic materials
a multi-scale model that integrates a macro-scale transient three-dimensional mass and heat transfer model and a micro-scale thin-interface phase-field model is developed to simulate the solidification behavior of the molten pool and the dendritic growth behavior for direct energy deposition process....
Directed energy deposition is an additive manufacturing process that allows the production of near net shape structures. Moreover, theprocess can also be a... J Sanchez-Medina,DD Baere,EP Guillaume - 《Journal of Laser Applications》 被引量: 0发表: 2023年 Thermo-fluid flow behavior of the IN...
it is oxygen insensitive. As a consequence, O2has a negligible influence on the catalytic process of FAD-GDH in a traditional BFC. Additionally, H2O2which inhibits enzymatic reaction at cathode, is not produced during the anodic enzymatic reaction by FAD-GDH according to the following equations3,...
Furthermore, by combination with a calcination process, a variety of inorganic nano-nets (such as those containing silica and inorganic metal oxide) can also be expected and used for high-temperature filters, photovoltaic and photocatalytic devices and electrical energy storage. In addition, other ...
124 days Submission to acceptance Editor-in-Chief View full editorial board A. T. Clare The University of British Columbia, British Columbia, Canada Research articleAbstract only Autonomous in-situ defect detection and correction in additive-lathe 3D printing process using variational autoencoder model...
1.2.2 Directed Energy Deposition Directed Energy Deposition uses a computer controlled moving heat source, typically a high powered laser or electron beam (EBEAM), to melt an additive material in either wire or powder form, which is fed into the melt pool. The primary difference between the two...
This chapter gives an overview of various process steps involved in additive manufacturing (AM), followed by a brief description of specific AM technologies that are capable of producing metal parts and details of the two major AM techniques: powder bed fusion and directed energy deposition. Other...