Characterization of miniaturized tensile specimens using micromagnetic techniques

Henrik Roesner; Norbert Meyendorf

doi:10.1117/12.469618

7 June 2002 Characterization of miniaturized tensile specimens using micromagnetic techniques

Henrik Roesner, Norbert Meyendorf

Proceedings Volume 4703, Nondestructive Evaluation and Reliability of Micro- and Nanomaterial Systems; (2002) https://doi.org/10.1117/12.469618
Event: NDE For Health Monitoring and Diagnostics, 2002, San Diego, California, United States

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.

Citation Download Citation

Henrik Roesner and Norbert Meyendorf "Characterization of miniaturized tensile specimens using micromagnetic techniques", Proc. SPIE 4703, Nondestructive Evaluation and Reliability of Micro- and Nanomaterial Systems, (7 June 2002); https://doi.org/10.1117/12.469618

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