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Charlotte Wehner, Bradley Shirley, Garrett Mathesen, Julian Merrick, Brandon Weatherford and Emilio Alessandro Nanni
The manufacturing of active RF devices like klystrons is dominated by expensive and time-consuming cycles of machining and brazing. In this article, we characterize the RF properties of X-band klystron cavities and an integrated circuit manufactured with...
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Xin Zhou, Chenglin Tao, Xi Liang, Zeliang Liu and Huijian Li
The aim of topology optimisation is to determine the optimal distribution of material phases within the periodic cells of a microstructure. In this paper, the density of grid points under element volume fraction is constructed to replace the finite eleme...
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Xu Gao, Jiyuan Wei, Jiajing Huo, Zhishuai Wan and Ying Li
An improved re-entrant negative Poisson?s ratio metamaterial based on a combination of 3D printing and machining is proposed. The improved metamaterial exhibits a superior load-carrying and vibration isolation capacity compared to its traditional counter...
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Anastasia Puzatova, Pshtiwan Shakor, Vittoria Laghi and Maria Dmitrieva
Additive manufacturing technologies are becoming more popular in various industries, including the construction industry. Currently, construction 3D printing is sufficiently well studied from an academic point of view, leading towards the transition from...
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Hendrik Hähnel and Ulrich Ratzinger
Additive manufacturing (AM or ?3D printing?) has become a powerful tool for the rapid prototyping and manufacturing of complex part geometries. Especially interesting for the world of particle accelerators is the process of the 3D printing of stainless s...
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Sun Chan, David Cryer and Roger I. Price
A 3D-printed metal solid target using additive manufacturing process is a cost-effective production solution to complex and intricate target design. The initial proof-of-concept prototype solid target holder was 3D-printed in cast alloy, Al?7Si?0.6Mg (A3...
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Brian T. Gibson, Bradley S. Richardson, Tayler W. Sundermann and Lonnie J. Love
This work applies to the production of large, complex, metallic preform structures in the aerospace and tool and die industries. In the aerospace industry, this technology has a potential role in the rapid production of custom, near-net shape preforms fo...
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Matteo Moioli, Christopher Reinbold, Kaare Sørensen and Christian Breitsamter
Wind tunnel models are traditionally machined from high-quality metal material; this condition reduces the possibility to test different geometric variations or models as it corresponds to incremental cost. In the last decade, the quality of additive man...
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Florio Dalla Vedova, Pierre Morin, Thibault Roux, Roberta Brombin, Alberto Piccinini and Nigel Ramsden
The paper introduces and describes the recent and still ongoing development activities performed in Luxembourg for In-Orbit Attach Mechanisms for (Drag) Sails Modules to be operated from Space Tugs. After some preparatory work aiming at understanding the...
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