Insights into Plastic Localization by Crystallographic Slip from Emerging Experimental and Numerical Approaches
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 …
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 …
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
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 …
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 …
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
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 …
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
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 …
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 …
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
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 …
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 …
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 …
Ni-base superalloy, RR1000, subjected to fatigue loading using crystal plasticity finite …