Defects and anomalies in powder bed fusion metal additive manufacturing

A Mostafaei, C Zhao, Y He, SR Ghiaasiaan… - Current Opinion in Solid …, 2022 - Elsevier
Metal additive manufacturing is a disruptive technology that is revolutionizing the
manufacturing industry. Despite its unrivaled capability for directly fabricating metal parts …

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 …

Effects of porosity on the mechanical properties of additively manufactured components: a critical review

AY Al-Maharma, SP Patil… - Materials Research …, 2020 - iopscience.iop.org
In the present review, the effect of porosity on the mechanical properties of the fabricated
parts, which are additively manufactured by powder bed fusion and filament extrusion-based …

[HTML][HTML] Essential structure of SN curve: Prediction of fatigue life and fatigue limit of defective materials and nature of scatter

Y Murakami, T Takagi, K Wada, H Matsunaga - International Journal of …, 2021 - Elsevier
Historically, SN curve has been expressed in the form of an exponential relationship
between applied stress σ and number of cycles to failure N f. This paper elucidates the …

Deep learning for plasticity and thermo-viscoplasticity

DW Abueidda, S Koric, NA Sobh, H Sehitoglu - International Journal of …, 2021 - Elsevier
Predicting history-dependent materials' responses is crucial, as path-dependent behavior
appears while characterizing or geometrically designing many materials (eg, metallic and …

Laser additive manufacturing of steels

Y Yin, Q Tan, M Bermingham, N Mo… - International …, 2022 - Taylor & Francis
Despite strong interest from many industrial sectors driving demand and advancements in
laser additive manufacturing (LAM) of steels, some issues remain as barriers limiting the …

Killer notches: The effect of as-built surface roughness on fatigue failure in AlSi10Mg produced by laser powder bed fusion

A Du Plessis, S Beretta - Additive Manufacturing, 2020 - Elsevier
Additive manufacturing allows the production of complex components for critical applications
such as in the aerospace industry. Laser powder bed fusion is the most widely used form of …

Fatigue strength assessment of “as built” AlSi10Mg manufactured by SLM with different build orientations

S Beretta, M Gargourimotlagh, S Foletti… - International Journal of …, 2020 - Elsevier
This study investigated the effects of the 'as-built'condition on the fatigue properties of an
AlSi 10 Mg aluminium alloy manufactured by Selective Laser Melting (SLM) in different …