Analyzing the effects of powder and post-processing on porosity and properties of electron beam melted Ti-6Al-4V

R Cunningham, A Nicolas, J Madsen… - Materials Research …, 2017 - Taylor & Francis
Metal additive manufacturing techniques such as the powder-bed systems are developing
as a novel method for producing complex components. This study uses synchrotron-based X …

Evaluating the effect of processing parameters on porosity in electron beam melted Ti-6Al-4V via synchrotron X-ray microtomography

R Cunningham, SP Narra, T Ozturk, J Beuth, AD Rollett - Jom, 2016 - Springer
Electron beam melting (EBM) is one of the subsets of direct metal additive manufacturing
(AM), an emerging manufacturing method that fabricates metallic parts directly from a three …

Synchrotron-based X-ray microtomography characterization of the effect of processing variables on porosity formation in laser power-bed additive manufacturing of Ti …

R Cunningham, SP Narra, C Montgomery, J Beuth… - Jom, 2017 - Springer
The porosity observed in additively manufactured (AM) parts is a potential concern for
components intended to undergo high-cycle fatigue without post-processing to remove such …

Influence of scan strategy on porosity and microstructure of Ti-6Al-4V fabricated by electron beam powder bed fusion

P Nandwana, Y Lee - Materials Today Communications, 2020 - Elsevier
Abstract Ti-6Al-4V is of high value in biomedical, aerospace, and industrial sectors and is
ideal for additive manufacturing (AM) because of its poor machinability. In electron beam …

The effect of powder recycling on the mechanical properties and microstructure of electron beam melted Ti-6Al-4 V specimens

VV Popov Jr, A Katz-Demyanetz, A Garkun… - Additive …, 2018 - Elsevier
Additive manufacturing (AM), also called 3D-printing, is an innovative technology, as the
printing of objects is performed by layer-by-layer deposition. A wide variety of materials can …

Electron beam additive manufacturing of Ti6Al4V: Evolution of powder morphology and part microstructure with powder reuse

S Ghods, E Schultz, C Wisdom, R Schur, R Pahuja… - Materialia, 2020 - Elsevier
Additive Manufacturing (AM) processes for metals are advancing at a rapid pace. Among
many attractive qualities, AM relaxes design constraints and can significantly reduce …

Effect of powder reuse times on additive manufacturing of Ti-6Al-4V by selective electron beam melting

HP Tang, M Qian, N Liu, XZ Zhang, GY Yang, J Wang - Jom, 2015 - Springer
An advantage of the powder-bed-based metal additive manufacturing (AM) processes is that
the powder can be reused. The powder reuse or recycling times directly affect the …

[HTML][HTML] Mechanical anisotropy and its evolution with powder reuse in Electron Beam Melting AM of Ti6Al4V

R Schur, S Ghods, C Wisdom, R Pahuja, A Montelione… - Materials & Design, 2021 - Elsevier
Powder reuse is recognized as a key to industrialization of metal additive manufacturing
(AM), which necessitates that changes in the structural behavior of metal with reuse are …

Influence of powder characteristics on formation of porosity in additive manufacturing of Ti-6Al-4V components

M Iebba, A Astarita, D Mistretta, I Colonna… - Journal of Materials …, 2017 - Springer
This paper aims to study the genesis of defects in titanium components made through two
different additive manufacturing technologies: selective laser melting and electron beam …

[HTML][HTML] Fabrication and mechanical characterisation of titanium lattices with graded porosity

W Van Grunsven, E Hernandez-Nava, GC Reilly… - Metals, 2014 - mdpi.com
Electron Beam Melting (EBM) is an Additive Manufacturing technique which can be used to
fabricate complex structures from alloys such as Ti6Al4V, for example for orthopaedic …