Journal ArticleDOI
Electron Beam Additive Manufacturing of Titanium Components: Properties and Performance
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TLDR
In this paper, the fatigue properties of Ti-6Al-4V specimens and components produced by Electron Beam additive manufacturing were evaluated and it was found that the fatigue performance of specimens produced by additive manufacturing is significantly lower than that of wrought material due to defects such as porosity and surface roughness.Abstract:
This research evaluates the fatigue properties of Ti-6Al-4V specimens and componentsproduced by Electron Beam additive manufacturing. It was found that the fatigue per-formance of specimens produced by additive manufacturing is significantly lower thanthat of wrought material due to defects such as porosity and surface roughness. However,evaluation of an actual component subjected to design fatigue loads did not result in pre-mature failure as anticipated by specimen testing. Metallography, residual stress, staticstrength and elongation, fracture toughness, crack growth, and the effect of post process-ing operations such as machining and peening on fatigue performance were alsoevaluated. [DOI: 10.1115/1.4025773]Keywords: additive manufacturing, electron beam, titanium, fatigue, fractureread more
Citations
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Patent
Apparatus for electrochemical additive manufacturing
TL;DR: An apparatus for stereo-electrochemical deposition of metal layers consisting of an array of anodes, a cathode, a positioning system, a fluid handling system for an electrolytic solution, communications circuitry, control circuitry and software control is described in this article.
Journal ArticleDOI
Influence of Processing Conditions on the Mechanical Properties of 17-4PH Specimens Produced by Additive Manufacturing
Enrique Ariza-Galván,Isabel Montealegre-Meléndez,Eva María Pérez-Soriano,Erich Neubauer,Michael Kitzmantel,Cristina Arévalo +5 more
TL;DR: In this paper , the influence of the processing conditions that affect the final behavior of specimens made from a 17-4PH composition powder without the necessary thermal treatment to be considered was studied.
Proceedings ArticleDOI
Mechanical Behavior and Microstructure of Electron Beam Melted Ti-6Al-4V Using Digital Image Correlation
Mohammad Shafinul Haque,Edel Arrieta,Jorge Mireles,Cesar J. Carrasco,Calvin M. Stewart,Ryan B. Wicker +5 more
Journal ArticleDOI
The Regularities of Copper-Aluminum System Polymetallic Samples Manufacturing by the Additive Electron-Beam Technology
TL;DR: In this paper, the structure and composition of polymetallic materials samples obtained by electron-beam manufacturing from AMg5 aluminum alloy and M1 grade copper were investigated by optical and scanning electron microscopy.
References
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Journal ArticleDOI
A study of the microstructural evolution during selective laser melting of Ti–6Al–4V
TL;DR: In this article, the development of the microstructure of the Ti-6Al-4V alloy processed by selective laser melting (SLM) was studied by light optical microscopy.
Journal ArticleDOI
Residual stresses in selective laser sintering and selective laser melting
Peter Mercelis,Jean-Pierre Kruth +1 more
TL;DR: In this paper, a simple theoretical model is developed to predict residual stress distributions in selective laser sintering (SLS) and selective laser melting (SLM), aiming at a better understanding of this phenomenon.
Journal ArticleDOI
Progress in Additive Manufacturing and Rapid Prototyping
TL;DR: Rapid prototyping generally refers to techniques that produce shaped parts by gradual creation or addition of solid material, therein differing fundamentally from forming and material removal manufacturing techniques as mentioned in this paper. But it is not suitable for all applications.
Journal ArticleDOI
Rapid manufacturing and rapid tooling with layer manufacturing (lm) technologies, state of the art and future perspectives
TL;DR: In this article, a systematic material dependent classification of layer manufacturing and process oriented metal part manufacturing techniques are proposed, mainly for metallic parts, polymer parts and tooling, and the generic and the major specific process characteristics and materials are described.
Journal ArticleDOI
On the mechanical behaviour of titanium alloy TiAl6V4 manufactured by selective laser melting: Fatigue resistance and crack growth performance
Stefan Leuders,M. Thöne,Andre Riemer,Thomas Niendorf,Thomas Tröster,Hans Albert Richard,Hans Jürgen Maier +6 more
TL;DR: In this article, the microstructure-defect-property relationship under cyclic loading for a TiAl6V4 alloy processed by selective laser melting is investigated. And the results show that the micron sized pores mainly affect fatigue strength, while residual stresses have a strong impact on fatigue crack growth.