Small Volume Mechanical Response Insights:
Revealed Contributions In Advancing High
Mechanical Performance
Author(s)
Y. Katz
Abstract
Three factors have emerged in order to upgrade the understanding of ultra small
volume mechanical behavior in terms of multi-scale analysis and models. Firstly,
the global/local approach based on physical models formulation, secondly, the
continuous effort vis-à-vis microelectronic requirements for effective material
performance and thirdly, the remarkable progress in experimental capacity that
requires ultra-fine features visualization and measurements beside computational
abilities. The current study is centered on iron based silicon polycrystalline alloy
and the mechanical characterization of 20–50 nm silicon particles by contact
methodology at ambient temperatures. In both, either monotonic or cyclic,
mechanical properties were size dependent. Regarding the iron-silicon single
crystals, mini compact tension specimens enabled the tracking of crack-tip
dislocation emissions and their interactions in order to deepen the shielding
potential exploration. Deformation/fracture processes and ductile-brittle fracture
models could be elaborated. The aforementioned examples in elastic-plastic
crystals were still intended to emphasize conceptual insights. Higher mechanical
performance is examined from emerging localized findings and nanomechanical
response analysis.
Keywords: silicon, iron-based silicon, single crystals, contact tests, fracture
mechanics, nano mechanical response.
1 Introduction
The practical sense of high performance materials deserves further elaboration.
Still on a practical level, material is evaluated by optimizing the exact functional
properties for certain applications. However, structural integrity or lifetime
Keywords
silicon, iron-based silicon, single crystals, contact tests, fracture
mechanics, nano mechanical response.
Related Book
Other papers in this volume
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