Barkhausen Noise‐ and Eddy Current‐Based Measurements for Online Detection of Deformation‐Induced Martensite During Flow Forming of Metastable Austenitic Steel AISI 304L
ABSTRACT 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 f...
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| Format: | Article |
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Wiley
2025-01-01
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| Series: | Engineering Reports |
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| Online Access: | https://doi.org/10.1002/eng2.13070 |
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| author | Julian Rozo Vasquez Hanigah Kanagarajah Bahman Arian Lukas Kersting Werner Homberg Ansgar Trächtler Frank Walther |
| author_facet | Julian Rozo Vasquez Hanigah Kanagarajah Bahman Arian Lukas Kersting Werner Homberg Ansgar Trächtler Frank Walther |
| author_sort | Julian Rozo Vasquez |
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| description | ABSTRACT 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. |
| format | Article |
| id | doaj-art-d5db31f4eb91463e9be3de085d97d822 |
| institution | Kabale University |
| issn | 2577-8196 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Wiley |
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| series | Engineering Reports |
| spelling | doaj-art-d5db31f4eb91463e9be3de085d97d8222025-01-31T00:22:49ZengWileyEngineering Reports2577-81962025-01-0171n/an/a10.1002/eng2.13070Barkhausen Noise‐ and Eddy Current‐Based Measurements for Online Detection of Deformation‐Induced Martensite During Flow Forming of Metastable Austenitic Steel AISI 304LJulian Rozo Vasquez0Hanigah Kanagarajah1Bahman Arian2Lukas Kersting3Werner Homberg4Ansgar Trächtler5Frank Walther6Chair of Materials Test Engineering (WPT) TU Dortmund University Dortmund GermanyChair of Materials Test Engineering (WPT) TU Dortmund University Dortmund GermanyForming and Machining Technology (LUF) Paderborn University Paderborn GermanyFraunhofer Institute for Mechatronic Systems Design (IEM) Paderborn GermanyForming and Machining Technology (LUF) Paderborn University Paderborn GermanyFraunhofer Institute for Mechatronic Systems Design (IEM) Paderborn GermanyChair of Materials Test Engineering (WPT) TU Dortmund University Dortmund GermanyABSTRACT 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.https://doi.org/10.1002/eng2.13070Barkhausen noise analysiseddy currentflow formingmicromagnetic testingnon‐destructive testingphase transformation |
| spellingShingle | Julian Rozo Vasquez Hanigah Kanagarajah Bahman Arian Lukas Kersting Werner Homberg Ansgar Trächtler Frank Walther Barkhausen Noise‐ and Eddy Current‐Based Measurements for Online Detection of Deformation‐Induced Martensite During Flow Forming of Metastable Austenitic Steel AISI 304L Engineering Reports Barkhausen noise analysis eddy current flow forming micromagnetic testing non‐destructive testing phase transformation |
| title | Barkhausen Noise‐ and Eddy Current‐Based Measurements for Online Detection of Deformation‐Induced Martensite During Flow Forming of Metastable Austenitic Steel AISI 304L |
| title_full | Barkhausen Noise‐ and Eddy Current‐Based Measurements for Online Detection of Deformation‐Induced Martensite During Flow Forming of Metastable Austenitic Steel AISI 304L |
| title_fullStr | Barkhausen Noise‐ and Eddy Current‐Based Measurements for Online Detection of Deformation‐Induced Martensite During Flow Forming of Metastable Austenitic Steel AISI 304L |
| title_full_unstemmed | Barkhausen Noise‐ and Eddy Current‐Based Measurements for Online Detection of Deformation‐Induced Martensite During Flow Forming of Metastable Austenitic Steel AISI 304L |
| title_short | Barkhausen Noise‐ and Eddy Current‐Based Measurements for Online Detection of Deformation‐Induced Martensite During Flow Forming of Metastable Austenitic Steel AISI 304L |
| title_sort | barkhausen noise and eddy current based measurements for online detection of deformation induced martensite during flow forming of metastable austenitic steel aisi 304l |
| topic | Barkhausen noise analysis eddy current flow forming micromagnetic testing non‐destructive testing phase transformation |
| url | https://doi.org/10.1002/eng2.13070 |
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