Výsledky vyhledávání - "Filippo Vecchiato"

Vacuum heat treatments of titanium porous structures

Autor: Jonathan R.T. Jeffers, Reece N. Oosterbeek, Filippo Vecchiato, David Dye, Shaaz Ghouse, Aisha Tayub Mehmood

Additive manufacturing (AM) of Ti-6Al-4V enables rapid fabrication of complex parts, including porous lattices which are of interest for aerospace, automotive, or biomedical applications, however currently the fatigue resistance of these materials is

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::698f6c13fce4611208d481fa22d0bc2e
https://ora.ox.ac.uk/objects/uuid:a99410e0-d34a-4de9-b390-ae57d536321d

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Effects of heat treatment on residual stresses in the laser powder bed fusion of 316L stainless steel: Finite element predictions and neutron diffraction measurements

Autor: Paul A. Hooper, Joe Kelleher, Mark R. Wenman, Filippo Vecchiato, Richard J. Williams, Catrin M. Davies

Heat treatments are used in laser powder bed fusion (LPBF) to reduce residual stress and improve service life. In order to qualify components for service, the degree of stress relaxation under heat treatment must be known. In this work, the effect of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b9dc0138c74ca35d31256e559f5f702f
http://hdl.handle.net/10044/1/81054

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The effect of build direction and heat treatment on atmospheric stress corrosion cracking of laser powder bed fusion 316L austenitic stainless steel

Autor: Mark R. Wenman, Z. Yang, Filippo Vecchiato, P. Dong, Paul A. Hooper

Publikováno v: Additive Manufacturing. 40:101902

Austenitic stainless steels are susceptible to stress corrosion cracking (SCC) when exposed to chloride ions and tensile stresses. For laser powder bed fusion (LPBF) components, high residual tensile stresses exist from the large thermal gradients du

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::231439a6e7d70aefa335104e2c251151
https://doi.org/10.1016/j.addma.2021.101902

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Melt pool microstructure and morphology from single exposures in laser powder bed fusion of 316L stainless steel

Autor: H. de Winton, Filippo Vecchiato, Mark R. Wenman, Paul A. Hooper

Publikováno v: Additive Manufacturing. 36:101401

Single depositions of 316L stainless steel in pulsed laser powder bed fusion were performed to understand the influence of energy density input strategy on melt pool morphology, microstructure and temperature fields. Depositions performed at equal en

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0950d648e22bced045c3724d81f09fe4
https://doi.org/10.1016/j.addma.2020.101401

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