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 …

Solidification in metal additive manufacturing: challenges, solutions, and opportunities

S Chandra, J Radhakrishnan, S Huang, S Wei… - Progress in materials …, 2024 - Elsevier
The physics of alloy solidification during additive manufacturing (AM) in methods such as
laser powder bed fusion (LPBF), electron beam powder bed fusion (EPBF), and laser …

Unique crystallographic texture formation in Inconel 718 by laser powder bed fusion and its effect on mechanical anisotropy

O Gokcekaya, T Ishimoto, S Hibino, J Yasutomi… - Acta Materialia, 2021 - Elsevier
Additive manufacturing offers an exclusive way of anisotropic microstructure control with a
high degree of freedom regarding variation in process parameters. This study demonstrates …

[HTML][HTML] Review of laser powder bed fusion (LPBF) fabricated Ti-6Al-4V: process, post-process treatment, microstructure, and property

S Cao, Y Zou, CVS Lim, X Wu - Light: Advanced Manufacturing, 2021 - light-am.com
Laser powder bed fusion (LPBF) is a timely important additive manufacturing technique that
offers many opportunities for fabricating three-dimensional complex shaped components at …

Tailoring microstructure of additively manufactured Ti6Al4V titanium alloy using hybrid additive manufacturing technology

H Lu, W Deng, K Luo, Y Chen, J Wang, J Lu - Additive Manufacturing, 2023 - Elsevier
An innovative hybrid additive manufacturing (HAM) technology combining laser shock
peening without coating (LSPwC) and laser powder bed fusion (LPBF) has been proposed …

Fracture resistance of AlSi10Mg fabricated by laser powder bed fusion

MJ Paul, Q Liu, JP Best, X Li, JJ Kruzic, U Ramamurty… - Acta Materialia, 2021 - Elsevier
The combination of refined microstructures (induced by rapid cooling) and melt pool-
induced mesostructures in AlSi10Mg fabricated using laser powder bed fusion (LPBF)–a …

High fatigue resistance in a titanium alloy via near-void-free 3D printing

Z Qu, Z Zhang, R Liu, L Xu, Y Zhang, X Li, Z Zhao… - Nature, 2024 - nature.com
The advantage of 3D printing—that is, additive manufacturing (AM) of structural materials—
has been severely compromised by their disappointing fatigue properties,. Commonly, poor …

Simultaneous enhancements of strength, ductility, and toughness in a TiB reinforced titanium matrix composite

Q Li, S Huang, Y Zhao, Y Gao, U Ramamurty - Acta Materialia, 2023 - Elsevier
In titanium matrix composites (TMCs), the enhancement in strength and specific stiffness
with the addition of ceramic reinforcements often occurs with lowered ductility and fracture …

Designing against phase and property heterogeneities in additively manufactured titanium alloys

J Zhang, Y Liu, G Sha, S **, Z Hou, M Bayat… - Nature …, 2022 - nature.com
Additive manufacturing (AM) creates digitally designed parts by successive addition of
material. However, owing to intrinsic thermal cycling, metallic parts produced by AM almost …

Extraction of mechanical properties of materials through deep learning from instrumented indentation

L Lu, M Dao, P Kumar, U Ramamurty… - Proceedings of the …, 2020 - National Acad Sciences
Instrumented indentation has been developed and widely utilized as one of the most
versatile and practical means of extracting mechanical properties of materials. This method …