---
_id: '62025'
abstract:
- lang: eng
  text: <jats:title>ABSTRACT</jats:title><jats:p>This paper deals with micromagnetic
    measurements for online detection of strain‐induced α′‐martensite during plastic
    deformation of metastable austenitic steel AISI 304L. The operating principles
    of the sensors are magnetic Barkhausen noise (MBN) and eddy currents (EC), which
    are suitable for detection of microstructure evolution due to formation of ferromagnetic
    phases. The focus of this study was put on the qualification of different micromagnetic
    techniques and different measurement systems under conditions similar to the real
    ones during production, which is crucial for implementation of a property‐controlled
    flow forming process. The investigation was carried out on tubular specimens produced
    by flow forming, which have different content of α′‐martensite. To characterize
    the sensitivity of the sensors, different contact conditions between sensors and
    workpieces were reproduced. MBN sensors are suitable for detecting amount of α′‐martensite,
    but the measurements are affected by the surface roughness. This entails that
    the calibration models for MBN sensors must take account of these effects. EC
    sensors show a closer match with the amount of α′‐martensite without having major
    affectation by other effects.</jats:p>
article_number: e13070
author:
- first_name: Julian
  full_name: Rozo Vasquez, Julian
  last_name: Rozo Vasquez
- first_name: Hanigah
  full_name: Kanagarajah, Hanigah
  last_name: Kanagarajah
- first_name: Bahman
  full_name: Arian, Bahman
  id: '36287'
  last_name: Arian
- first_name: Lukas
  full_name: Kersting, Lukas
  last_name: Kersting
- first_name: Werner
  full_name: Homberg, Werner
  id: '233'
  last_name: Homberg
- first_name: Ansgar
  full_name: Trächtler, Ansgar
  id: '552'
  last_name: Trächtler
- first_name: Frank
  full_name: Walther, Frank
  last_name: Walther
citation:
  ama: Rozo Vasquez J, Kanagarajah H, Arian B, et al. Barkhausen Noise‐ and Eddy Current‐Based
    Measurements for Online Detection of Deformation‐Induced Martensite During Flow
    Forming of Metastable Austenitic Steel &#60;scp&#62;AISI 304L&#60;/scp&#62;. <i>Engineering
    Reports</i>. 2024;7(1). doi:<a href="https://doi.org/10.1002/eng2.13070">10.1002/eng2.13070</a>
  apa: Rozo Vasquez, J., Kanagarajah, H., Arian, B., Kersting, L., Homberg, W., Trächtler,
    A., &#38; Walther, F. (2024). Barkhausen Noise‐ and Eddy Current‐Based Measurements
    for Online Detection of Deformation‐Induced Martensite During Flow Forming of
    Metastable Austenitic Steel &#60;scp&#62;AISI 304L&#60;/scp&#62;. <i>Engineering
    Reports</i>, <i>7</i>(1), Article e13070. <a href="https://doi.org/10.1002/eng2.13070">https://doi.org/10.1002/eng2.13070</a>
  bibtex: '@article{Rozo Vasquez_Kanagarajah_Arian_Kersting_Homberg_Trächtler_Walther_2024,
    title={Barkhausen Noise‐ and Eddy Current‐Based Measurements for Online Detection
    of Deformation‐Induced Martensite During Flow Forming of Metastable Austenitic
    Steel &#60;scp&#62;AISI 304L&#60;/scp&#62;}, volume={7}, DOI={<a href="https://doi.org/10.1002/eng2.13070">10.1002/eng2.13070</a>},
    number={1e13070}, journal={Engineering Reports}, publisher={Wiley}, author={Rozo
    Vasquez, Julian and Kanagarajah, Hanigah and Arian, Bahman and Kersting, Lukas
    and Homberg, Werner and Trächtler, Ansgar and Walther, Frank}, year={2024} }'
  chicago: Rozo Vasquez, Julian, Hanigah Kanagarajah, Bahman Arian, Lukas Kersting,
    Werner Homberg, Ansgar Trächtler, and Frank Walther. “Barkhausen Noise‐ and Eddy
    Current‐Based Measurements for Online Detection of Deformation‐Induced Martensite
    During Flow Forming of Metastable Austenitic Steel &#60;scp&#62;AISI 304L&#60;/Scp&#62;.”
    <i>Engineering Reports</i> 7, no. 1 (2024). <a href="https://doi.org/10.1002/eng2.13070">https://doi.org/10.1002/eng2.13070</a>.
  ieee: 'J. Rozo Vasquez <i>et al.</i>, “Barkhausen Noise‐ and Eddy Current‐Based
    Measurements for Online Detection of Deformation‐Induced Martensite During Flow
    Forming of Metastable Austenitic Steel &#60;scp&#62;AISI 304L&#60;/scp&#62;,”
    <i>Engineering Reports</i>, vol. 7, no. 1, Art. no. e13070, 2024, doi: <a href="https://doi.org/10.1002/eng2.13070">10.1002/eng2.13070</a>.'
  mla: Rozo Vasquez, Julian, et al. “Barkhausen Noise‐ and Eddy Current‐Based Measurements
    for Online Detection of Deformation‐Induced Martensite During Flow Forming of
    Metastable Austenitic Steel &#60;scp&#62;AISI 304L&#60;/Scp&#62;.” <i>Engineering
    Reports</i>, vol. 7, no. 1, e13070, Wiley, 2024, doi:<a href="https://doi.org/10.1002/eng2.13070">10.1002/eng2.13070</a>.
  short: J. Rozo Vasquez, H. Kanagarajah, B. Arian, L. Kersting, W. Homberg, A. Trächtler,
    F. Walther, Engineering Reports 7 (2024).
date_created: 2025-10-30T12:25:57Z
date_updated: 2025-10-30T12:54:40Z
department:
- _id: '153'
- _id: '241'
- _id: '156'
doi: 10.1002/eng2.13070
intvolume: '         7'
issue: '1'
language:
- iso: eng
main_file_link:
- open_access: '1'
  url: https://doi.org/10.1002/eng2.13070
oa: '1'
publication: Engineering Reports
publication_identifier:
  issn:
  - 2577-8196
  - 2577-8196
publication_status: published
publisher: Wiley
status: public
title: Barkhausen Noise‐ and Eddy Current‐Based Measurements for Online Detection
  of Deformation‐Induced Martensite During Flow Forming of Metastable Austenitic Steel
  <scp>AISI 304L</scp>
type: journal_article
user_id: '82875'
volume: 7
year: '2024'
...