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 …

[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 …

A state-of-the-art review on fatigue performance of powder bed fusion-built alloy 718

E Sadeghi, P Karimi, R Esmaeilizadeh, F Berto… - Progress in Materials …, 2023 - Elsevier
Abstract Alloy 718 is a Ni-Fe-based superalloy, which has been successfully adapted to
powder bed fusion (PBF) additive manufacturing because of the alloy's adaptability with …

Laser powder bed fusion additive manufacturing (LPBF-AM): the influence of design features and LPBF variables on surface topography and effect on fatigue …

J Elambasseril, J Rogers, C Wallbrink… - Critical reviews in …, 2023 - Taylor & Francis
The design freedom offered by additive manufacturing (AM) enables the fabrication of
components with internal surfaces that are challenging to access post-manufacture. This is …

On the effect of laser powder-bed fusion process parameters on quasi-static and fatigue behaviour of Hastelloy X: A microstructure/defect interaction study

R Esmaeilizadeh, A Keshavarzkermani, U Ali… - Additive …, 2021 - Elsevier
The mechanical performance of parts, made by laser powder-bed fusion (LPBF), under
quasi-static and cyclic loadings can be altered significantly by changing the process …

Defect sensitivity and fatigue design: Deterministic and probabilistic aspects in AM metallic materials

X Niu, C He, SP Zhu, P Foti, F Berto, L Wang… - Progress in Materials …, 2024 - Elsevier
Fatigue performance in both traditional and additively manufactured materials is severely
affected by the presence of defects, which deserve special attention to ensure the in-service …

Multiaxial fatigue of LB-PBF additive manufactured 17–4 PH stainless steel including the effects of surface roughness and HIP treatment and comparisons with the …

R Molaei, A Fatemi, N Phan - International Journal of Fatigue, 2020 - Elsevier
Additive manufacturing (AM) offers a number of advantages over the traditional subtractive
manufacturing techniques. However, there is a little information available on cyclic …

Surface roughness considerations in design for additive manufacturing-a literature review

D Obilanade, C Dordlofva, P Törlind - Proceedings of the design …, 2021 - cambridge.org
One often-cited benefit of using metal additive manufacturing (AM) is the possibility to design
and produce complex geometries that suit the required function and performance of end-use …

Mixed-mode small fatigue crack growth rates and modeling in additively manufactured metals

MJ Markham, A Fatemi, N Phan - International Journal of Fatigue, 2024 - Elsevier
The fatigue life of metals can be generally divided into three stages: crack nucleation, small
crack growth up to about 2 mm, and large crack growth up to fracture. In additively …

Notched fatigue of additive manufactured metals under axial and multiaxial loadings, part II: Data correlations and life estimations

R Molaei, A Fatemi, N Phan - International Journal of Fatigue, 2022 - Elsevier
Fatigue performance of additive manufactured (AM) metals is highly sensitive to the
existence of defects. This becomes more challenging when mechanically induced stress …