Magnetostatic determination of variations of internal stress in magnetic steels
Source abstract
Abstract
This paper explores the possibility to measure changes in internal stress in ferromagnetic steels using magnetostatic methods. The device consists of a permanent magnet placed close to the steel piece and a magnetic probe between both elements. The magnetostatic field measured by using the probe is partially due to the magnetization of the steel piece. Internal stress variations in the steel alter its magnetic permeability due to the magnetoelastic effect, varying the magnetostatic field measured by using the probe. For the device we present here, the relative variation of the measured magnetic field is of the order of 1.7 × 10−5/MPa of internal stress.
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Research context
OpenAlex topics: Non-Destructive Testing Techniques · Magnetic Properties and Applications · Welding Techniques and Residual Stresses
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Instituto de Cerámica y Vidrio (ICV), CSIC 1 , Kelsen 5, 28049 Madrid, Spain
Universidad Antonio de Nebrija 2 , Calle de los Pirineos, 55, Madrid 28040, Spain
Instituto de Magnetismo Aplicado, “Salvador Velayos,” UCM-CSIC-ADIF 3 , Las Rozas, Madrid E-28230, Spain
IMDEA Nanociencia 4 , C/Faraday 9, 28049 Madrid, Spain
Donostia International Physics Center, Universidad del Pais Vasco 5 , C/Manuel de Lardizabal 5, 20018 San Sebastian, Spain
Funding
Universidad Antonio de Nebrija · Comunidad de Madrid · Ministerio de Ciencia, Innovación y Universidades
References (24)
Show source-provided references
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