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Investigation on transverse defect and cavitation depth in ferrous pipe using melt spun FeSiB ribbon as magnetostrictive sensing element
Affiliation:1. Department of Anthropology and Center for the Advanced Study of Human Paleobiology, The George Washington University, Washington, DC 20052, USA;2. Department of Anthropology and School of Biomedical Sciences, Kent State University, Kent, OH 44242, USA;3. MAEBIOS, Alamogordo, NM 88330, USA;4. Fishberg Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA;5. Department of Molecular and Integrative Physiology and Carl R. Woese Institute for Genomic Biology, University of Illinois, Urbana-Champaign, Urbana, IL 61801, USA;6. Center for Molecular Medicine and Genetics, Wayne State University School of Medicine, Detroit, MI 48201, USA;1. Liver Research Center, Rhode Island Hospital, Warren Alpert Medical School of Brown University, Providence, RI, United States;2. Division of Gastroenterology, Rhode Island Hospital, Warren Alpert Medical School of Brown University, Providence, RI, United States;3. Division of Neuropathology, Rhode Island Hospital, Warren Alpert Medical School of Brown University, Providence, RI, United States;4. Department of Medicine, Rhode Island Hospital, Warren Alpert Medical School of Brown University, Providence, RI, United States;5. Department of Pathology, Rhode Island Hospital, Warren Alpert Medical School of Brown University, Providence, RI, United States;6. Department of Neurology, Rhode Island Hospital, Warren Alpert Medical School of Brown University, Providence, RI, United States;7. Department of Neurosurgery, Rhode Island Hospital, Warren Alpert Medical School of Brown University, Providence, RI, United States;8. Pathobiology Graduate Program, Brown University, United States;9. Department of Chemical Engineering, California State University, Long Beach, CA, United States;10. Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
Abstract:The investigation addresses the scope of rapidly quenched Fe80Si8B12 ribbons as magnetostrictive sensor (MsS) material to generate guided waves in galvanised iron pipe and evaluation of defects with different geometries and dimensions. Enhancement in the effective defect size (EDS) of transverse and pit type defects increased the MsS signal. However, the backwall echo showed opposing trend (transverse: reduced and pit: increased) with increase in dimensions of these defects. Such behaviour of backwall intensities has been correlated to different type of guided wave strain field distributions around these defects and reflection coefficients.
Keywords:Rapidly quenched ribbons  Magnetostrictive sensor  Reflection coefficient  Transverse defect  Pit defect
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