The effect of manufacturing defects on the fatigue life of selective laser melted Ti-6Al-4V structures
Yanan Hu,Shengchuan Wu,Shengchuan Wu,Philip J. Withers,J. Zhang,H.Y.X. Bao,Y.N. Fu,Guozheng Kang +7 more
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TLDR
In this paper, an eXtended defect zone (XDZ) describing the propensity for local plasticity during fatigue around a defect has been shown through numerical analysis to be a good indicator of the ranking of the threat to fatigue caused by differently located manufacturing defects.About:
This article is published in Materials & Design.The article was published on 2020-07-01 and is currently open access. It has received 192 citations till now. The article focuses on the topics: Fatigue limit & Paris' law.read more
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Selective laser melting of Ti6Al4V alloy: Process parameters, defects and post-treatments
Anil Kumar Singla,Mainak Banerjee,Aman Sharma,Jagtar Singh,Anuj Bansal,Munish Kumar Gupta,Navneet Khanna,A. S. Shahi,Deepak Kumar Goyal +8 more
TL;DR: In this paper, a critical review of noteworthy contributions in terms of SLM process parameters, defects and various post processing techniques considered by various researchers is aimed for critical review, which can clearly facilitate in developing a better scientific understanding of SLMed Ti6Al4V alloy.
Journal ArticleDOI
Progress and perspectives in laser additive manufacturing of key aeroengine materials
TL;DR: In this paper, the authors provide a critical and in-depth evaluation of laser powder bed fusion (LPBF) and laser directed energy deposition (LDED) technologies of the mentioned aeroengine materials.
Journal ArticleDOI
A machine-learning fatigue life prediction approach of additively manufactured metals
Bao Hongyixi,Shengchuan Wu,Shengchuan Wu,Zhengkai Wu,Guozheng Kang,Xin Peng,Philip J. Withers +6 more
TL;DR: In this paper, a machine learning method was adopted to explore the influence of defect location, size, and morphology on the fatigue life of a selective laser melted Ti-6Al-4V alloy.
Journal ArticleDOI
The effect of defect population on the anisotropic fatigue resistance of AlSi10Mg alloy fabricated by laser powder bed fusion
Zhengkai Wu,Shengchuan Wu,Jianguang Bao,Jianguang Bao,Weijian Qian,Suleyman Karabal,Wei Sun,Philip J. Withers +7 more
TL;DR: In this article, X-ray computed tomography (CT) has been used to characterise the defect population for laser powder bed fusion processed AlSi10Mg alloy and correlated with the tensile and high cycle fatigue (HCF) properties of specimens loaded both parallel and perpendicular to build direction.
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Machine learning based fatigue life prediction with effects of additive manufacturing process parameters for printed SS 316L
Zhixin Zhan,Hua Li +1 more
TL;DR: A platform is developed for a data-driven analysis of continuum damage mechanics (CDM)-based fatigue life prediction of AM stainless steel (SS) 316L, in which the effects of AM process parameters are considered.
References
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Additive manufacturing of Ti6Al4V alloy: A review
Shunyu Liu,Yung C. Shin +1 more
TL;DR: In this paper, the recent progress on Ti6Al4V fabricated by three mostly developed additive manufacturing techniques-directed energy deposition (DED), selective laser melting (SLM) and electron beam melting (EBM)-is thoroughly investigated and compared.
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Fatigue performance evaluation of selective laser melted Ti–6Al–4V
Paul D. Edwards,Mamidala Ramulu +1 more
TL;DR: In this paper, the authors evaluated the fatigue properties of Ti-6Al-4V specimens produced by the Selective Laser Melting additive manufacturing process and found that the fatigue life is significantly lower compared to wrought material.
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Influence of Defects on Mechanical Properties of Ti-6Al-4V Components Produced by Selective Laser Melting and Electron Beam Melting
TL;DR: In this article, the mechanical properties of Ti-6Al-4V samples produced by selective laser melting (SLM) and electron beam melting (EBM) were evaluated for hardness, tensile, and fatigue tests.
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Additive manufacturing of fatigue resistant materials: Challenges and opportunities
Aref Yadollahi,Nima Shamsaei +1 more
TL;DR: In this article, the authors focus on the current state of knowledge pertaining to the mechanical characteristics of metallic parts fabricated via additive manufacturing (AM), as well as the ongoing challenges and imminent opportunities in fabricating materials with increased fatigue resistance.