Proof of Concept for Tritium-based Accelerated Aging
Abstract not provided.
Publications
Directly Observing Structural Evolution during Sequential and Concurrent Helium Implantation and Heavy Ion Irradiation
Abstract not provided.
Heilum Bubble Accelerated Aging
Abstract not provided.
In-Situ TEM Self Ion Irradiation and Thermal Aging of Zirconium Alloys
Abstract not provided.
Exploring the Thermal Mechanical and Radiation Stability of Nanocrystalline Metals via In situ TEM
Abstract not provided.
Revealing the Behavior of Gas Species in Materials with In situ TEM
Abstract not provided.
Cavity evolution at grain boundaries as a function of radiation damage and thermal conditions in nanocrystalline nickel
Materials Research Letters
Enhanced radiation tolerance of nanostructured metals is attributed to the high density of interfaces that can absorb radiationinduced defects. Here, cavity evolution mechanisms during cascade damage, helium implantation, and annealing of nanocrystalline nickel are characterized via in situ transmission electron microscopy (TEM). Films subjected to self-ion irradiation followed by helium implantation developed evenly distributed cavity structures, whereas films exposed in the reversed order developed cavities preferentially distributed along grain boundaries. Post-irradiation annealing and orientation mapping demonstrated uniform cavity growth in the nanocrystalline structure, and cavities spanning multiple grains. These mechanisms suggest limited ability to reduce swelling, despite the stability of the nanostructure.
Results 26–32 of 32