Failure, Fracture and Fatigue in Additive Manufacturing (F3AM)

Special Issue Editor


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Guest Editor
Department of Mechanical, Industrial and Manufacturing Engineering, University of Toledo, Toledo, OH 43606, USA
Interests: fatigue and fracture; manufacturing processing; advanced manufacturing; additive manufacturing

Special Issue Information

Dear Colleagues,

Additive manufacturing (AM), also known as 3D printing, has experienced dynamic and explosive growth in recent years in full-scale production of customized and/or complex parts. However, the development of AM is associated with ongoing challenges in static and dynamic failure (trustworthiness) of the AM parts relative to their conventionally fabricated forms. To be able to fully adopt AM technology in different engineering sectors (e.g., ground and air transportation, aerospace, defense, biomedical) the failure, fracture, and fatigue of AM parts, metallic and nonmetallic, must be fully assessed at ambient and elevated temperatures. This Special Issue of the Journal of Manufacturing and Materials Processing (JMMP) invites technical and review papers on, but not limited to, different aspects of damage in AM, including failure in various AM processes, static and dynamic failure and fracture, characterization of fracture and failure, metallurgy and materials science of failure, design against failure, integrity, modeling, and simulation of failure, creep, excessive deformation, wear, and case studies of failure and remedial actions.

Dr. Meysam Haghshenas
Guest Editor

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Keywords

  • additive manufacturing
  • failure
  • fracture
  • fatigue
  • integrity
  • wear in additive manufacturing
  • creep in additive manufacturing
  • excessive deformation
  • trustworthiness
  • damage in additive manufacturing

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Published Papers (1 paper)

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Research

16 pages, 2515 KiB  
Article
Ambient-Temperature Indentation Creep of Shape Memory NiTi Alloys: Additively Manufactured versus Cast
by Md. Minhazul Islam, Parisa Bayati, Mohammadreza Nematollahi, Ahmadreza Jahadakbar, Mohammad Elahinia and Meysam Haghshenas
J. Manuf. Mater. Process. 2021, 5(3), 87; https://doi.org/10.3390/jmmp5030087 - 12 Aug 2021
Cited by 3 | Viewed by 2792
Abstract
In this study, depth-sensing indentation creep response of cast and additively manufactured (laser powder bed fusion) NiTi alloys in heat-treated conditions have been investigated at ambient temperature. Indentation creep tests were evaluated with the help of a dual-stage approach comprising a loading segment [...] Read more.
In this study, depth-sensing indentation creep response of cast and additively manufactured (laser powder bed fusion) NiTi alloys in heat-treated conditions have been investigated at ambient temperature. Indentation creep tests were evaluated with the help of a dual-stage approach comprising a loading segment with a subsequent constant load-holding stage and an unloading phase afterward. The investigation was carried out at a maximum load of 50 mN along with a holding time of 600 s. Different creep parameters comprising indentation creep displacement, creep strain rate, creep stress exponent as well as the indentation size effect have been analyzed quantitatively for the employed materials. In addition, microstructural analysis has been performed to ascertain the processing–microstructure–creep property correlations. A substantial indentation size effect was seen for both cast and printed NiTi samples in heat-treated conditions. According to the creep stress exponent measurements, the dominant mechanism of rate-dependent plastic deformation for all NiTi samples at ambient temperature is attributed to the dislocation movement (i.e., glide/climb). The outcome of this investigation will act as a framework to understand the underlying mechanisms of ambient-temperature indentation creep of the cast and printed NiTi alloy in conjunction with heat-treated conditions. Full article
(This article belongs to the Special Issue Failure, Fracture and Fatigue in Additive Manufacturing (F3AM))
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