Mechanical and Civil Engineering Seminar

Thursday, May 21, 2026

11:00am to 12:24pm

Gates-Thomas 135

X-ray Based Full Field Stress-Strain Measurements in Metals

Angkur Shaikeea, Assistant Professor of Aerospace; Bren Scholar, The Lynn Booth & Kent Kresa Department of Aerospace, California Institute of Technology,

Title: "X-ray Based Full Field Stress-Strain Measurements in Metals"

Abstract: We are developing an X-ray instrument to measure spatially resolved elastic strain fields in metals. Because stress is conjugate to elastic strain, these measurements enable reconstruction of full-field stress distributions. When combined with digital image correlation (DIC), the method captures full-field stress–strain behavior and provides much needed data for data-driven discovery in metals. It enables probing of local stress–strain responses in heterogeneous materials, including additively manufactured metals, and supports investigation of crack-tip stress fields and the micromechanics of metamaterials. The capability advances understanding of microscopic behavior under mechinical loading and supports the design of next-generation materials.

Bio:

For more information, please contact Carolina Oseguera by phone at 626 395 4271 or by email at [email protected] or visit https://mce.caltech.edu/events/seminars.

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Mechanical and Civil Engineering Seminar Series

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