Zobrazeno 1 - 10
of 458
pro vyhledávání: '"Peter D. Lee"'
Autor:
R. Patrick Xian, Joseph Brunet, Yuze Huang, Willi L. Wagner, Peter D. Lee, Paul Tafforeau, Claire L. Walsh
Publikováno v:
Journal of Synchrotron Radiation, Vol 31, Iss 3, Pp 566-577 (2024)
Improving the scalability of tissue imaging throughput with bright, coherent X-rays requires identifying and mitigating artifacts resulting from the interactions between X-rays and matter. At synchrotron sources, long-term imaging of soft tissues in
Externí odkaz:
https://doaj.org/article/7b0962f98390446581b5f23a1438018e
Autor:
Lorna Sinclair, Oliver Hatt, Samuel J. Clark, Sebastian Marussi, Elena Ruckh, Robert C. Atwood, Martyn Jones, Gavin J. Baxter, Chu Lun Alex Leung, Iain Todd, Peter D. Lee
Publikováno v:
Materials & Design, Vol 244, Iss , Pp 113183- (2024)
Gas flow rates in Directed Energy Deposition (DED) Additive Manufacturing (AM) can significantly affect the quality of built parts by altering melt pool geometry. Using a DED process replicator and in situ synchrotron radiography, together with analo
Externí odkaz:
https://doaj.org/article/e5e05120c5ad4048baec74d0481c5b6a
Autor:
Kai Zhang, Yunhui Chen, Sebastian Marussi, Xianqiang Fan, Maureen Fitzpatrick, Shishira Bhagavath, Marta Majkut, Bratislav Lukic, Kudakwashe Jakata, Alexander Rack, Martyn A. Jones, Junji Shinjo, Chinnapat Panwisawas, Chu Lun Alex Leung, Peter D. Lee
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-14 (2024)
Abstract Porosity in directed energy deposition (DED) deteriorates mechanical performances of components, limiting safety-critical applications. However, how pores arise and evolve in DED remains unclear. Here, we reveal pore evolution mechanisms dur
Externí odkaz:
https://doaj.org/article/8f0bdde7aa5d434b8999bd7fd9def10a
Autor:
Wei Li, Rubén Lambert-Garcia, Anna C. M. Getley, Kwan Kim, Shishira Bhagavath, Marta Majkut, Alexander Rack, Peter D. Lee, Chu Lun Alex Leung
Publikováno v:
Virtual and Physical Prototyping, Vol 19, Iss 1 (2024)
ABSTRACTSynchrotron X-ray imaging has been utilised to detect the dynamic behaviour of molten pools during the metal additive manufacturing (AM) process, where a substantial amount of imaging data is generated. Here, we develop an efficient and robus
Externí odkaz:
https://doaj.org/article/e7f1e11ffae940d8a94ba52c366ef56e
Publikováno v:
Materials & Design, Vol 233, Iss , Pp 112207- (2023)
Auxetic lattices exhibit a negative Poisson’s ratio and excellent energy absorption capability. Here, we investigate the compressive performance of auxetic cubic chiral structures. By utilising finite element analysis (FEA) verified by interrupted
Externí odkaz:
https://doaj.org/article/b3bfba00848d48ffb033eb6902dbda19
Autor:
Agathe Heyraud, Francesca Tallia, David Sory, Hung-Kai Ting, Anna Tchorzewska, Jingwen Liu, Hannah L. Pilsworth, Peter D. Lee, John V. Hanna, Sara M. Rankin, Julian R. Jones
Publikováno v:
Frontiers in Bioengineering and Biotechnology, Vol 11 (2023)
Introduction: Hybrids consist of inorganic and organic co-networks that are indistinguishable above the nanoscale, which can lead to unprecedented combinations of properties, such as high toughness and controlled degradation.Methods: We present 3D pr
Externí odkaz:
https://doaj.org/article/be0fd93a3054418492dda20a27fe66a0
Autor:
David T. Rees, Chu Lun Alex Leung, Joe Elambasseril, Sebastian Marussi, Saurabh Shah, Shashidhara Marathe, Milan Brandt, Mark Easton, Peter D. Lee
Publikováno v:
Materials & Design, Vol 231, Iss , Pp 112031- (2023)
Laser powder bed fusion (LPBF) additive manufacturing of 2XXX series Al alloys could be used for low volume specialist aerospace components, however, such alloys exhibit hot cracking susceptibility that can lead to component failure. In this study, w
Externí odkaz:
https://doaj.org/article/c32aa128be3e431481b32bcb03a7b715
Autor:
Lorenzo Massimi, Samuel J. Clark, Sebastian Marussi, Adam Doherty, Saurabh M. Shah, Joachim Schulz, Shashidhara Marathe, Christoph Rau, Marco Endrizzi, Peter D. Lee, Alessandro Olivo
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-8 (2022)
Abstract In this work, the application of a time resolved multi-contrast beam tracking technique to the investigation of the melting and solidification process in metals is presented. The use of such a technique allows retrieval of three contrast cha
Externí odkaz:
https://doaj.org/article/8cfec5f1cb2c485b88ad7112a9b41933
Autor:
R. Patrick Xian, Claire L. Walsh, Stijn E. Verleden, Willi L. Wagner, Alexandre Bellier, Sebastian Marussi, Maximilian Ackermann, Danny D. Jonigk, Joseph Jacob, Peter D. Lee, Paul Tafforeau
Publikováno v:
Scientific Data, Vol 9, Iss 1, Pp 1-10 (2022)
Measurement(s) Human left lung Technology Type(s) X-Ray Phase-Contrast Imaging
Externí odkaz:
https://doaj.org/article/2471418d6dc94d60b99ee7984241f0e5
Autor:
Fabio Arzilli, Margherita Polacci, Giuseppe La Spina, Nolwenn Le Gall, Edward W. Llewellin, Richard A. Brooker, Rafael Torres-Orozco, Danilo Di Genova, David A. Neave, Margaret E. Hartley, Heidy M. Mader, Daniele Giordano, Robert Atwood, Peter D. Lee, Florian Heidelbach, Mike R. Burton
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-14 (2022)
In situ 4D experiments at high temperature and moderate pressure reveal that rapid dendritic crystallization in hydrous basaltic magmas promotes a rheological transition within minutes, controlling magma mobility within the Earth’s crust.
Externí odkaz:
https://doaj.org/article/07c9fbea66a04e0bb559b4f74bf1599a