-
Chapter and Conference Paper
Assessing Manufacturability of the Oxide Dispersion Strengthened (ODS) 14YWT Alloy Fuel Cladding Tube Using SolidStir™ Technology
The 14YWT (Fe–14Cr–3W–0.4Ti–0.3Y2O3 (wt.%)) alloy is a potential candidate material for fabricating and other structural components to be used in next-generation advanced nuclear reactors. Due to inherent limit...
-
Article
High-Throughput Nanoindentation Map** of Additively Manufactured T91 Steel
This work aims to adapt nanoindentation map** combined with a k-means algorithm as a high-throughput technique to study the nano-scale spatial changes in mechanical properties for a heterogeneous material. T...
-
Article
Demonstration of a High-Throughput Tensile Testing Technique Using Femtosecond Laser-Fabricated Tensile Bars in AISI 316 and Additively Manufactured Grade 91 Steel
Femtosecond laser machining offers a fast, low damage route to fabricating features on the order of a few micrometers to millimeters. Within this broad application space, mechanical testing samples on this sca...
-
Article
Phase Stability of Ni/Ni3Al Multilayers Under Thermal Annealing and Irradiation
Nickel-based superalloys with L12-ordered Ni3Al precipitates exhibit excellent high-temperature mechanical properties and corrosion resistance. Here we studied the phase stability of a Ni/Ni3Al multilayer under h...
-
Article
Sizing up mechanical testing: Comparison of microscale and mesoscale mechanical testing techniques on a FeCrAl welded tube
FeCrAl alloys are among the best and most mature accident tolerant fuel cladding candidates produced to date, due to their superior combination of mechanical properties and stability at elevated temperatures. ...
-
Article
Shear Punch Testing of Neutron-Irradiated HT-9 and 14YWT
Shear punch mechanical testing was performed on neutron-irradiated HT-9 and 14YWT alloys, comparing the traditional ferritic/martensitic steel with the advanced oxide dispersion strengthened nanostructured fer...
-
Article
Microscale shear specimens for evaluating the shear deformation in single-crystal and nanocrystalline Cu and at Cu–Si interfaces
Microscale testing has enjoyed significant developments, with the majority of testing focused on tensile/compression type tests and little focus on shear testing. With the recent advances in macroscale shear t...
-
Article
Open AccessSoftening due to Grain Boundary Cavity Formation and its Competition with Hardening in Helium Implanted Nanocrystalline Tungsten
The unique ability of grain boundaries to act as effective sinks for radiation damage plays a significant role in nanocrystalline materials due to their large interfacial area per unit volume. Leveraging this ...
-
Article
Mechanical Performance of Ferritic Martensitic Steels for High Dose Applications in Advanced Nuclear Reactors
Ferritic/martensitic (F/M) steels are considered for core applications and pressure vessels in Generation IV reactors as well as first walls and blankets for fusion reactors. There are significant scientific d...
-
Article
Application of small-scale testing for investigation of ion-beam-irradiated materials
Small-scale testing techniques such as nanoindentation and micro-/nanocompression are promising methods for addressing mechanical properties of ion-beam-irradiated materials. We performed different proton irra...
-
Article
Nanostructured Engineering Alloys for Nuclear Application
In advanced nuclear applications, high temperature and a corrosive environment are present in addition to a high dose radiation field causing displacement damage in the material. In recent times it has been sh...
-
Article
Relative Defect Density Measurements of Laser Shock Peened 316L Stainless Steel Using Positron Annihilation Spectroscopy
The surface of an annealed 316L stainless steel coupon was laser shock peened and Vickers hardness measurements were subsequently taken of its surface. This Vickers hardness data was compared with measurements...
-
Article
Impression creep behavior of SiC particle-MoSi2 composites
Using a cylindrical indenter (or punch), the impression creep behavior of MoSi2-SiC composites containing 0–40% SiC by volume, was characterized at 1000–1200 °C, 258–362 MPa punch pressure. Through finite element...
-
Article
The Temperature and Strain Rate Dependence of the Flow Stress of Single Crystal Nial Deformed Along <110>
Single crystal NiAl and Ni-49.75Al-0.25Fe have been deformed along <110> at temperatures of 77, 298 and 773K and strain rates of 0.001/s, 0.1/s and 2000/s. The flow stress of <110> NiAl is rate and temperature...
-
Article
Creep Behavior of MoSi2-SiC Composites
Using a cylindrical indenter, the indentation creep behavior of hot pressed and HIPed MoSi2-SiC composites containing 0–40% SiC by volume, was characterized at 1000–1200°C, 258–362 MPa. The addition of SiC affect...
