Role of porosity defects in metal 3D printing: Formation mechanisms, impacts on properties and mitigation strategies

S Wang, J Ning, L Zhu, Z Yang, W Yan, Y Dun, P Xue… - Materials Today, 2022 - Elsevier
Abstract Metal 3D printing (3DP), a state-of-the-art manufacturing technology that brings the
potential to fabricate complex structures at low cost and reduced energy consumption, has …

Defects in additive manufactured metals and their effect on fatigue performance: A state-of-the-art review

N Sanaei, A Fatemi - Progress in Materials Science, 2021 - Elsevier
Additive manufacturing (AM) is emerging as an alternative to conventional subtractive
manufacturing methods with the goal to deliver unique and complex net or near-net shaped …

Fracture and fatigue in additively manufactured metals

TH Becker, P Kumar, U Ramamurty - Acta Materialia, 2021 - Elsevier
Additive manufacturing (AM) of metallic components offers many advantages over
conventional manufacturing methods, most notably design freedom at little material waste …

[HTML][HTML] Multiaxial fatigue of additively manufactured metallic components: A review of the failure mechanisms and fatigue life prediction methodologies

P Foti, N Razavi, A Fatemi, F Berto - Progress in Materials Science, 2023 - Elsevier
Additive manufacturing techniques offer significant advantages over conventional
manufacturing methods. These include the possibility of realizing highly customized …

Defect-based fatigue life prediction of L-PBF additive manufactured metals

N Sanaei, A Fatemi - Engineering Fracture Mechanics, 2021 - Elsevier
Metal additive manufacturing (AM) while offering advantages such as generating parts with
intricate geometries, introduces challenges such as intrinsic defects. Since fatigue cracks …

[HTML][HTML] Fatigue damage process of additively manufactured 316 L steel using X-ray computed tomography imaging

JN Dastgerdi, O Jaberi, H Remes, P Lehto… - Additive …, 2023 - Elsevier
Failure under cyclic loading in the presence of manufacturing defects is a substantial risk for
additively manufactured (AM) metal components. This study aims to clarify the correlation …

[HTML][HTML] Characterising and representing small crack growth in an additive manufactured titanium alloy

M Shamir, X Zhang, AK Syed - Engineering Fracture Mechanics, 2021 - Elsevier
The purpose of the research is to apply the modified Hartman-Schijve equation for predicting
small crack growth rate in an additive manufactured titanium Ti-6Al-4V. Material constants in …

Multiaxial fatigue life predictions of additively manufactured metals using a hybrid of linear elastic fracture mechanics and a critical plane approach

MJ Markham, A Fatemi - International Journal of Fatigue, 2024 - Elsevier
This paper introduces a hybrid approach which leverages Fatemi-Socie critical plane
analysis to determine an equivalent-damage uniaxial stress amplitude for various multiaxial …

Review on Fatigue of Additive Manufactured Metallic Alloys: Microstructure, Performance, Enhancement, and Assessment Methods

H Liu, H Yu, C Guo, X Chen, S Zhong… - Advanced …, 2024 - Wiley Online Library
Additive manufacturing (AM), which is a process of building objects in a layer‐upon‐layer
fashion from designed models, has received unprecedented attention from research and …

In-situ SEM investigation and modeling of small crack growth behavior of additively manufactured titanium alloy

X Wang, Y Zhao, L Wang, L Wei, J He… - International Journal of …, 2021 - Elsevier
The fatigue crack growth of wire and arc additive manufactured Ti-6Al-4V alloys is
investigated using in-situ SEM fatigue testing. The small crack initiation and propagation …