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Proceedings Paper

Characterization of miniaturized tensile specimens using micromagnetic techniques
Author(s): Henrik Roesner; Norbert Meyendorf
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Paper Abstract

Miniaturized dogbone tensile specimens are used to determine mechanical properties when only a small amount of material is available. Because of the high surface to volume ratio, surface finishing becomes critical for specimens with diameters less than 2 mm. Barkhausen noise technique was used to characterize the machined surfaces of small diameter tensile specimens. Full surface scans were conducted using a new magnetization technique. The Barkhausen noise profile curves for several different analyzing frequencies were compared to those obtained on electro-polished specimens using correlation techniques in order to characterize the penetration depth of the surface treatment.

Paper Details

Date Published: 7 June 2002
PDF: 8 pages
Proc. SPIE 4703, Nondestructive Evaluation and Reliability of Micro- and Nanomaterial Systems, (7 June 2002); doi: 10.1117/12.469618
Show Author Affiliations
Henrik Roesner, Fraunhofer-Institut fuer Zerstoerungsfreie Pruefverfahren (Germany)
Norbert Meyendorf, Univ. of Dayton (United States)

Published in SPIE Proceedings Vol. 4703:
Nondestructive Evaluation and Reliability of Micro- and Nanomaterial Systems
Norbert Meyendorf; George Y. Baaklini; Bernd Michel, Editor(s)

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