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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...
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Article
Open AccessHigh-Throughput Nanoindentation for Statistical and Spatial Property Determination
Standard nanoindentation tests are “high throughput” compared to nearly all other mechanical tests, such as tension or compression. However, the typical rates of tens of tests per hour can be significantly im...
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Article
In Situ TEM Scratch Testing of Perpendicular Magnetic Recording Multilayers with a Novel MEMS Tribometer
Utilizing a newly developed two-dimensional (2D) transducer designed for in situ transmission electron microscope (TEM) nanotribology, deformation mechanisms of a perpendicular magnetic recording film stack u...
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Article
Correlative Nanomechanical Measurements for Complex Engineered Systems
Multilayered film stacks, with length scales less than 10 nm are commonly used in a variety of devices, but present significant challenges to mechanical testing and evaluation. This is due to property convolut...
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Chapter
Resolution Limits of Nanoindentation Testing
As material and device length scales decrease, there must be a corresponding increase in the instrumentation resolution for accurate measurements. For these small length scale systems, including thin films, fi...
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Article
Deformation and Fracture of Oxides Fabricated on 304L Stainless Steel via Pulsed Laser Irradiation
Localized heating of metals and alloys using a focused laser beam in ambient atmosphere produces dielectric oxide layers that have characteristic optical appearances including different colors. Nanoindentation...
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Article
A brittleness transition in silicon due to scale
To understand the brittleness transition in low-toughness materials, the nucleation and kinetics of dislocations must be measured and modeled. One aspect overlooked is that the apparent activation energy for p...
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Article
Plastic response of the native oxide on Cr and Al thin films from in situ conductive nanoindentation
Thin native oxide layers can dominate the mechanical properties of metallic thin films. However, to date there has been little quantification of how such overlayers affect yield and fracture during indentation...
