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Dislocation cells in additively manufactured metallic alloys characterized by electron backscatter diffraction pattern sharpness

https://doi.org/10.1016/j.matchar.2023.112673

Wang, Fulin; Stinville, Jean-Charles; Charpagne, Marie; Echlin, McLean P.; Agnew, Sean R.; Pollock, Tresa M.; Graef, Marc De; Gianola, Daniel S. (March 2023, Materials Characterization)

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Suppression of shear localization in nanocrystalline Al–Ni–Ce via segregation engineering

https://doi.org/10.1016/j.actamat.2020.01.041

Balbus, Glenn H.; Wang, Fulin; Gianola, Daniel S. (April 2020, Acta Materialia)

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Electron backscattered diffraction using a new monolithic direct detector: High resolution and fast acquisition

https://doi.org/10.1016/j.ultramic.2020.113160

Wang, Fulin; Echlin, McLean P.; Taylor, Aidan A.; Shin, Jungho; Bammes, Benjamin; Levin, Barnaby D.A.; De Graef, Marc; Pollock, Tresa M.; Gianola, Daniel S. (January 2021, Ultramicroscopy)
null (Ed.)
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Investigations into the Antibacterial Mechanism of Action of Viridicatumtoxins

https://doi.org/10.1021/acsinfecdis.0c00031

Li, Weijia; Li, Li; Zhang, Chao; Cai, Yuanheng; Gao, Qiyu; Wang, Fulin; Cao, Yu; Lin, Jinzhong; Li, Jie; Shang, Zhuo; et al (July 2020, ACS Infectious Diseases)
null (Ed.)
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Multiplicity of dislocation pathways in a refractory multiprincipal element alloy

https://doi.org/10.1126/science.aba3722

Wang, Fulin; Balbus, Glenn H.; Xu, Shuozhi; Su, Yanqing; Shin, Jungho; Rottmann, Paul F.; Knipling, Keith E.; Stinville, Jean-Charles; Mills, Leah H.; Senkov, Oleg N.; et al (October 2020, Science)

Refractory multiprincipal element alloys (MPEAs) are promising materials to meet the demands of aggressive structural applications, yet require fundamentally different avenues for accommodating plastic deformation in the body-centered cubic (bcc) variants of these alloys. We show a desirable combination of homogeneous plastic deformability and strength in the bcc MPEA MoNbTi, enabled by the rugged atomic environment through which dislocations must navigate. Our observations of dislocation motion and atomistic calculations unveil the unexpected dominance of nonscrew character dislocations and numerous slip planes for dislocation glide. This behavior lends credence to theories that explain the exceptional high temperature strength of similar alloys. Our results advance a defect-aware perspective to alloy design strategies for materials capable of performance across the temperature spectrum.
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