full elastic strain and stress tensor measurements from individual dislocation cells in copper through-si vias

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ID: 130716
2015
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Ranked #34 of 40 articles by views in european journal of orthopaedic surgery & traumatology : orthopedie traumatologie

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Abstract
Nondestructive measurements of the full elastic strain and stress tensors from individual dislocation cells distributed along the full extent of a 50 µm-long polycrystalline copper via in Si is reported. Determining all of the components of these tensors from sub-micrometre regions within deformed metals presents considerable challenges. The primary issues are ensuring that different diffraction peaks originate from the same sample volume and that accurate determination is made of the peak positions from plastically deformed samples. For these measurements, three widely separated reflections were examined from selected, individual grains along the via. The lattice spacings and peak positions were measured for multiple dislocation cell interiors within each grain and the cell-interior peaks were sorted out using the measured included angles. A comprehensive uncertainty analysis using a Monte Carlo uncertainty algorithm provided uncertainties for the elastic strain tensor and stress tensor components.
Reference Key
levine2015iucrjfull Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Lyle E. Levine;Chukwudi Okoro;Ruqing Xu
Journal european journal of orthopaedic surgery & traumatology : orthopedie traumatologie
Year 2015
DOI
10.1107/S2052252515015031
URL
http://scripts.iucr.org/cgi-bin/paper?S2052252515015031
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