3 citations · 6 across the 13 of their papers we have counts for
14 papers
Comparative qualification of advanced plasma-facing materials for fusion pilot plants through public- and private-sector experiments in DIII-D
Florian Effenberg, Jonathan D. Coburn, Luca Cappelli +44
A coordinated DIII-D campaign exposed and comparatively assessed 44 advanced plasma-facing materials from 12 institutions, including four public-private fusion partnerships, to sup…
Synergistic doping of the grain interior and grain boundary alters deformation mechanisms and enables extreme strength in nanocrystalline Ni-Cr-Y alloys
Yi Liu, Jason R. Trelewicz, Timothy J. Rupert
Solid solution addition and grain boundary segregation have been independently shown to enhance the strength of nanocrystalline alloys. In the present study, the interplay between…
A computational alloy design framework for the promotion of amorphous grain boundary complexions
Prince Sharma, Jaime Marian, Jason R. Trelewicz +1
Amorphous grain boundary complexions have been shown to be radiation tolerant interfaces that can also reduce grain boundary embrittlement, marking them as favorable microstructura…
Fragmenting Diffusion Pathways Confers Extraordinary Radiation Resistance in Refractory Multicomponent Alloys
Bin Xing, Bijun Xie, Wanjuan Zou +11
The accumulation and growth of vacancy clusters under irradiation is a pivotal degradation mode for structural materials in extreme environments. Even tungsten undergoes rapid defe…
Irradiation-Driven Recrystallization in Fusion-Grade Tungsten: A Mesoscale, Microstructure-Aware Model
Jinxin Yu, Sicong He, Giacomo Po +3
Tungsten (W) is the leading candidate material for plasma-facing components in fusion reactors, yet its upper operational temperature is limited by premature grain growth and recry…
Grain Boundary Anisotropy and Its Influence on Helium Bubble Nucleation, Growth, and Decohesion in Polycrystalline Iron
Yang Zhang, Peter Hatton, Blas P. Uberuaga +1
The accumulation of helium bubbles at grain boundaries (GBs) critically degrades the mechanical integrity of structural materials in nuclear reactors. While GBs act as sinks for ra…
The Role of Temperature on Irradiation Defect Evolution near Surfaces and Grain Boundaries in Tungsten
Yang Zhang, Jason R. Trelewicz
This study explores the impact of temperature on defect dynamics in tungsten, emphasizing its application in nuclear fusion reactors as Plasma Facing Components (PFCs). Through ato…
Primary Defect Production in Doped Iron Grain Boundaries during Low Energy Collision Cascades
Yang Zhang, Blas P. Uberuaga, Enrique Martinez Saez +1
This study explores the intricate interactions between grain boundaries (GBs) and irradiation-induced defects in nanocrystalline iron, highlighting the role of dopants like copper.…
Role of Helium Bubbles and Voids on the Property of Nanocrystalline Tungsten
Yang Zhang, Jason Trelewicz
This manuscript embarks on an inquiry into the influence of helium implantation on nanocrystalline tungsten, a contender for plasma-facing components (PFCs) in nuclear fusion react…
Grain Boundary Defect Production during Successive Displacement Cascades on a Tungsten Surface
Yang Zhang, Anus Manzoor, Predrag Krstic +2
The interaction of radiation defects with grain boundaries (GBs) governs damage tolerance in refractory materials for extreme environments. Tungsten (W), a leading plasma-facing ma…
Alloying Effects on the Microstructure and Properties of Laser Additively Manufactured Tungsten Materials
W. Streit Cunningham, Eric Lang, David J. Sprouster +6
A large body of literature within the additive manufacturing (AM) community has focused on successfully creating stable tungsten (W) microstructures due to significant interest in…
Enhanced radiation damage tolerance of amorphous interphase and grain boundary complexions in Cu-Ta
Doruk Aksoy, Penghui Cao, Jason R. Trelewicz +2
Amorphous interfacial complexions are particularly resistant to radiation damage and have been primarily studied in alloys with good glass-forming ability, yet recent reports sugge…
Grain Boundary Softening from Stress Assisted Helium Cavity Coalescence in Ultrafine-Grained Tungsten
W. S. Cunningham, Y. Zhang, S. L. Thomas +3
The formation of helium cavities in coarse-grained materials produces hardening proportional to the number density and size of the cavities and due to the interaction of dislocatio…
Nanocrystalline Al-Mg with extreme strength due to grain boundary doping
Simon C. Pun, Wenbo Wang, Amirhossein Khalajhedayati +3
Nanocrystalline Al-Mg alloys are used to isolate the effect of grain boundary doping on the strength of nanostructured metals. Mg is added during mechanical milling, followed by lo…