Laser powder bed fusion (LPBF), also called selective laser melting, is an additive manufacturing technology with great potential for creating three-dimensional metallic components with intricate designs. The application of dynamic thermal cycles involving melting and cooling makes it difficult to maintain the desired surface quality and shape in …
January 11, 2024. Fusion Energy Sciences. Researchers Visualize Energetic Ion Flow in Fusion Devices. Measured (left) and simulated (right) energetic ion flow in DIII-D plasmas. Beginning at the injected energies of neutral beams, injected ions move in space and energy due to interactions with electromagnetic waves.
The Controllable Nuclear Fusion Innovation Consortium launched on 29 December as China looks to pull ahead in the global race for the holy grail of near-limitless clean energy that fusion promises. The 35-strong group is led by China National Nuclear Corp and features other state companies including China Three Gorges Corporation, …
Melt pool characteristics reflect the formation mechanisms and potential issues of flaws. Long-term, high-precision, and real-time detection of melt pool characteristics is one of the major challenges in the industrial application of additive manufacturing technology. This work proposes, for the first time, the melt pool …
In-situ characterization and quantification of melt pool variation under constant input energy density in laser powder bed fusion additive manufacturing process Qilin Guoa,b, Cang Zhaoc, Minglei ...
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As we move closer to achieving sustainable fusion energy, JOREK will undoubtedly be at the forefront of this revolutionary journey, ensuring the safety, efficiency, and viability of future fusion power plants. 3D visualization based on a simulation of tungsten transport in the ITER tokamak plasma with applied external magnetic …
Correlation between melt pool width and line energy for AlSi10Mg, Ti6Al4 V and 1.2709. The corresponding proportionality constant can then be determined for a given material employing one experiment. For the materials investigated here, Table 3 summarises the determined constants C for Eq.
Work Programme on Socio-Economic Studies in Fusion Research. The EUROfusion programme, adhering to Mission 7 of the European Research Roadmap for Fusion Energy Realisation, extends beyond technical studies for DEMO design to encompass research on the economic and social dimensions of nuclear fusion. In the …
To obtain HF data, melt pool dimensions (width and depth) are extracted from single-layer, single-track deposits of SS316L fabricated via L-DED. The feedstock and the experimental procedure for obtaining this data are delineated below. Download : Download high-res image (401KB) Download : Download full-size image.
Fusion. ergyForewordThe International Atomic Energy Agency (IAEA) is dedicated to helping all countries benefit from the peaceful, safe, secure and sustainable use of nuclear science and technology in many fields, including ener. y production.Fusion energy has the potential to become a virtually inexhaustible, safe, environmentally-friendly and ...
5 天之前· It is estimated that fusion power - clean, cheap and limitless - could one day provide 10% of the world''s energy needs. Fusion experiments are expensive and technologically challenging, but they are helping to advance science and knowledge. They help promote the international collaboration upon which they depend, too.
This study proposes a new data-driven approach to predict the area fraction of lack of fusion and morphology of 3D-printed parts produced using the laser powder bed fusion process. Different processing parameters were considered to develop this methodology, such as laser power, laser speed, hatch spacing, and layer thickness. …
Laser powder bed fusion (L-PBF) involves the coupling of multiple physical fields at different scales. Capturing the dynamic flow and thermal behavior of the melt pool during the L-PBF process through experimentation and predicting its quality is challenging, thus numerical simulation becomes a valuable method. The simulation …
Fusion energy, like fossil fuels, is a form of stored energy. But fusion can create 20 to 100 million times more energy than the chemical reaction of a fossil fuel. Most of the mass of an atom, 99.9 percent, is contained at an atom''s center—inside of its nucleus. The ratio of this matter to the empty space in an atom is almost exactly the ...
In a significant move to bolster its position in the global race for nuclear fusion supremacy, China recently unveiled a groundbreaking initiative. On December 29, the China National Nuclear Corporation (CNNC) announced the establishment of China Fusion Energy Inc, a state-owned company tasked with pooling resources from across …