Results 81 to 90 of about 1,288,945 (304)

Industrial hygiene and safety implications of radiofrequency use in particle accelerator technologies

open access: yesRadiation Protection and Environment
Despite their essential contributions, particle accelerators present unique occupational hazards, including exposure to ionizing radiation, high-voltage systems, cryogenic temperatures, and risks associated with handling hazardous materials and strong ...
Vyom Saxena
doaj   +1 more source

Microstructural Evolution and Vacancy Defect Formation in Mn–Mo–Ni RPV Steel Under Low Cycle Fatigue: Insights From EBSD and PALS

open access: yesAdvanced Engineering Materials, EarlyView.
Low‐cycle fatigue damage in Mn–Mo–Ni reactor pressure vessel steel is examined using a combined electron backscatter diffraction and positron annihilation lifetime spectroscopy approach. The study correlates texture evolution, dislocation substructure development, and vacancy‐type defect formation across uniform, necked, and fracture regions, providing
Apu Sarkar   +2 more
wiley   +1 more source

Introduction to Particle Accelerators and their Limitations [PDF]

open access: yes, 2016
The paper gives an overview of the principles of particle accelerators and their historical development. After introducing the basic concepts, the main emphasis is on sketching the layout of modern storage rings and discussing their limitations in terms ...
Holzer, B.J.
core   +1 more source

Thermodynamic Pathways of Nonequilibrium Solidification in Wire‐Arc Additive Manufacturing Fe‐Based Multicomponent Alloy Structures

open access: yesAdvanced Engineering Materials, EarlyView.
Geometry‐driven thermal behavior in wire‐arc additive manufacturing (WAAM) influences microstructural evolution during nonequilibrium solidification of a chemically complex Fe–Cr–Nb–W–Mo–C nanocomposite system. By comparing different deposits configurations, distinct entropy–cooling rate correlations, segregation, and carbide evolution are revealed ...
Blanca Palacios   +5 more
wiley   +1 more source

Towards Efficient Particle Accelerators : A Review [PDF]

open access: yes
Sustainability has become an important aspect of all human activities, and also for accelerator driven research infrastructures. For new facilities it is mandatory to optimize power consumption and overall sustainability.
Seidel, Mike
core   +1 more source

Basic Research and Particle Accelerators [PDF]

open access: yes, 1954
This report addresses the basic research and particle ...
Smith, Lloyd   +2 more
core   +1 more source

Development Status and Trend of Particle Accelerator in China

open access: yesYuanzineng kexue jishu, 2022
Particle accelerators in China have been in rapid development in the past twenty years and are approaching the world’s advanced level in terms of different types, scales and application directions.
TANG Jingyu;ZHOU Luping
doaj  

Thermomechanical Fatigue and Creep–Fatigue Interaction of Inconel 718 Additively Manufactured by Laser Beam Powder Bed Fusion

open access: yesAdvanced Engineering Materials, EarlyView.
Thermomechanical fatigue tests of laser beam powder bed fusion (PBF‐LB) Inconel 718 show that the additively manufactured material reaches almost the lifetimes of conventionally‐rolled material under no‐dwell conditions. Introducing dwell times at the maximum temperature markedly reduces the lifetimes due to pronounced grain boundary sliding associated
Stefan Guth   +6 more
wiley   +1 more source

Beam Optics and Lattice Design in High Energy Particle Accelerators

open access: yes, 2013
This document is part of Subvolume C 'Accelerators and Colliders' of Volume 21 'Elementary Particles' of Landolt-Börnstein - Group I 'Elementary Particles, Nuclei and Atoms'.
Holzer, B J, B. J. Holzer
core   +1 more source

Modelling of a variable length gas cell target for laser wakefield acceleration

open access: yesHigh Power Laser Science and Engineering
We present time-dependent two-dimensional (2D) and three-dimensional (3D) fluid simulations of a gas cell with a variable length of 0–5 cm, designed for laser wakefield acceleration.
Runfeng Luo   +7 more
doaj   +1 more source

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