Results 71 to 80 of about 32,562 (301)

In-situ TEM Study of Dislocation Loop Evolution in Tungsten under Dual-ion Beam Irradiation

Yuanzineng kexue jishu
Fusion reactors are regarded as the ultimate source of energy for addressing future power problems. However, prior to the building of fusion power plants, a number of scientific obstacles including significant degradation of plasma-facing material (PFM).
MA Pengfei1, LIU Yan2, CAO Liuxuan2, ZHANG Yapei1, LI Xiurui1, TIAN Wenxi1, QIU Suizheng1, SU Guanghui1
doaj   +1 more source

A Review of State of the Art of Electron Beam and Ion Beam Machining [PDF]

한국정밀공학회지, 2018
Energy beam machining is a type of micro/nano-manufacturing technology for advanced materials. The energy beam is composed of the matter which exhibits not only particle but also wave-like behaviors. In this paper, we focused on the energy beam machining
Hang-Eun Joe, Eun-Goo Kang, Martin B. G. Jun   +2 more
doaj   +1 more source

Designing Polymer Nanocomposites for X‐Ray Shielding: Mechanisms, Architectures, and Scalable Processing

Advanced Engineering Materials, EarlyView.
This review highlights advances in lightweight, lead‐free polymer nanocomposites for diagnostic X‐ray shielding. By linking filler chemistry, dispersion, architecture, and photon interaction mechanisms, it establishes structure–performance relationships guiding material design.
Aklilu G. Messele, Hossein Ipakchi, Tizazu H. Mekonnen   +2 more
wiley   +1 more source

Morphology modification of Si nanopillars under ion irradiation at elevated temperatures: plastic deformation and controlled thinning to 10 nm

, 2019
International audienceSi nanopillars of less than 50 nm diameter have been irradiated in a helium ion microscope with a focused Ne + beam. The morphological changes due to ion beam irradiation at room temperature and elevated temperatures have been ...
Heinig, Karl-Heinz, Borany, Johannes, Von, Hlawacek, Gregor, Xu, Xiaomo, Tiron, Raluca, Klingner, Nico, Gharbi, Ahmed, Engelmann, Hans-Jürgen, Möller, Wolfhard   +8 more
core   +1 more source

A Dislocation Perspective on Strength and Toughness in Ceramics

Advanced Engineering Materials, EarlyView.
Dislocations in ceramics enjoy a long but yet under‐appreciated history. The three research waves for dislocations in ceramics highlight the topic evolution over the last 90 years. This review focuses on the impact of dislocation on strength and toughness in ceramics.
Xufei Fang
wiley   +1 more source

Simulation, design and tests of a diagnostic calorimeter for the spider experiment [PDF]

, 2013
One of the most critical issues for fusion reactors, to be studied in ITER (the prototype that has to prove the feasibility of production of electric energy by fusion), is the generation of sufficient energy to the sustainment of fusion reactions as well
De Muri, Michela
core  

Advanced Electron Microscopy and Microcomputed Tomography Analysis of Single‐Crystal Ni‐Base Superalloys After Short‐Term Multiaxial Creep

Advanced Engineering Materials, EarlyView.
This work studies the anisotropic behavior of circular notched tensile specimens of Ni‐base superalloy single crystals during high‐temperature tensile creep along [001], [110], and [111]. Correlative scale‐bridging imaging of specimens reveals early rupture along [110] because 1) plastic deformation proceeds faster at notch center; 2) more (brittle ...
Leonardo Agudo Jácome, Lijie Cao, Christoph Somsen, Johannes Boes, René Hesse, Werner Theisen, Gunther Eggeler   +6 more
wiley   +1 more source

Generation of quasi-monoenergetic protons from thin multi-ion foils by a combination of laser radiation pressure acceleration and shielded Coulomb repulsion

, 2013
We study theoretically and numerically the acceleration of protons by a combination of laser radiation pressure acceleration and Coulomb repulsion of carbon ions in a multi-ion thin foil made of carbon and hydrogen.
He, Minqing, Wang, Jyhpung, Liu, Tung-Chang, Shao, Xi, Chen, Shih-Hung, Liu, Chuan-Sheng, Su, Jao-Jang, Eliasson, Bengt, Tripathi, Vipin   +8 more
core   +1 more source

Active Corrosion Protection of Sintered AA7075 Aluminum Alloy via Mn Powder Addition

Advanced Engineering Materials, EarlyView.
AA7075 containing Mn‐rich particles is fabricated via spark plasma sintering using AA7075 and Mn powders. Corrosion resistance is evaluated through dip‐and‐dry tests using 0.1 M NaCl (pH 6.0), and mass loss decreases with increasing Mn addition. Mn‐rich particles function as a source of Mn ions, and formation of Mn‐accumulation films on Cu‐containing ...
Ko Ebina, Masashi Nishimoto, Izumi Muto
wiley   +1 more source

Laser‐Induced Graphene from Waste Almond Shells

Advanced Functional Materials, EarlyView.
Almond shells, an abundant agricultural by‐product, are repurposed to create a fully bioderived almond shell/chitosan composite (ASC) degradable in soil. ASC is converted into laser‐induced graphene (LIG) by laser scribing and proposed as a substrate for transient electronics.
Yulia Steksova, Anna Chiara Bressi, Marina Galliani, Attilio Marino, Gianni Ciofani, Eduardo Machado‐Charry, Hilda Gomez Bernal, Alessandra Francini, Luca Sebastiani, Francesco Greco   +9 more
wiley   +1 more source