Insights into Plastic Localization by Crystallographic Slip from Emerging Experimental and Numerical Approaches

JC Stinville, MA Charpagne, R Maaß… - Annual Review of …, 2023 - annualreviews.org
Advanced experimental and numerical approaches are being developed to capture the
localization of plasticity at the nanometer scale as a function of the multiscale and …

[HTML][HTML] Review of the development of the probabilistic damage tolerance assessment of life-limited parts in compliance with the airworthiness regulations

S Ding, H Zhou, J Liu, X Zhang, G Li - Propulsion and Power Research, 2023 - Elsevier
Probabilistic damage tolerance is a critical method to understand and communicate risk and
safety. This paper reviews recent research on the probabilistic damage tolerance design for …

Synergistic effect of microstructure and defects on the initiation of fatigue cracks in additively manufactured Inconel 718

MS Dodaran, M Muhammad, N Shamsaei… - International Journal of …, 2022 - Elsevier
Fatigue cracks in additively manufactured (AMed) Inconel 718 (IN-718) in machined surface
condition often initiate from persistent slip bands (PSBs) unlike other popular AM alloys such …

In-process failure analysis of thin-wall structures made by laser powder bed fusion additive manufacturing

A Chakraborty, R Tangestani, R Batmaz… - Journal of Materials …, 2022 - Elsevier
Fabrication of thin-wall components using the laser powder bed fusion (LPBF) additive
manufacturing (AM) technology was investigated for two “hard-to-weld” high gamma prime …

[HTML][HTML] Multi-scale model to simulate stress directionality in laser powder bed fusion: Application to thin-wall part failure

R Tangestani, A Chakraborty, T Sabiston, L Yuan… - Materials & Design, 2023 - Elsevier
In this study, line heat inputs are lumped to improve the computational efficiency while
preserving stress directionality in laser powder bed fusion (LPBF). The lumped hybrid line …

Short crack propagation from cracked non-metallic inclusions in a Ni-based polycrystalline superalloy

D Texier, JC Stinville, MLP Echlin, S Pierret… - Acta Materialia, 2019 - Elsevier
Fatigue cracks initiating from surface and sub-surface non-metallic inclusions (NMIs) have
recently been demonstrated to be a necessary but not sufficient explanation for atypically …

Binder jetting of “Hard-to-Weld” high gamma prime nickel-based superalloy RENÉ 108

E Martin, A Natarajan, S Kottilingam, R Batmaz - Additive Manufacturing, 2021 - Elsevier
The ultra-high strength of high γ'nickel (Ni)-based superalloys with low ductility comes with
the price of high susceptibility to cracking and a high residual stress state when processed …

[HTML][HTML] Twin boundary fatigue crack nucleation in a polycrystalline nickel superalloy containing non-metallic inclusions

A Bergsmo, Y Xu, B Poole, FPE Dunne - … of the Mechanics and Physics of …, 2022 - Elsevier
Non-metallic inclusions and twin boundaries are preferred fatigue crack nucleation locations
in polycrystalline Ni-based superalloys. A Heaviside HR-DIC, EBSD and multi-scale …

Effect of binder jetting microstructure variability on low cycle fatigue behavior of 316L

W Muhammad, R Batmaz, A Natarajan… - Materials Science and …, 2022 - Elsevier
Despite the growing interest for Binder Jet Additive Manufacturing (BJAM), variability in the
mechanical properties hinders its industry wide adoption. In order to reduce the variability …

Crystal plasticity assessment of inclusion-and matrix-driven competing failure modes in a nickel-base superalloy

R Bandyopadhyay, MD Sangid - Acta Materialia, 2019 - Elsevier
Two competing failure modes, namely inclusion-and matrix-driven failures, are studied in a
Ni-base superalloy, RR1000, subjected to fatigue loading using crystal plasticity finite …