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Meeting Materials Science & Technology 2020
Symposium Metallurgy and Magnetism
Presentation Title Effects of Steel Sensitization on Magnetic Properties Measured through MOKE Magnetometry
Author(s) Nicholas John Jones, Olaf van 't Erve, Emily Guzas, Matthew T. Roberts
On-Site Speaker (Planned) Nicholas John Jones
Abstract Scope Magneto-Optical Kerr Effect (MOKE) magnetometry has been used to non-destructively measure the change in magnetic properties of stainless steel samples as a result of welding. While welding is used to join and repair steels, the heat input may cause undesirable changes in the base metal. Of particular interest is the precipitation or dissolution of carbide precipitates, resulting in sensitization or desensitization of the stainless steels, respectively, along with potential changes in the magnetic properties of the steel. While the state of the material within a given region can be discerned through traditional non-destructive techniques, there is also a magnetic component to the post-welded material properties. MOKE results indicate a notable difference in magnetic performance between the base materials, heat affected zones, and weld material. Non-destructive MOKE results are correlated with changes in sensitization, composition, and microstructure that have been determined through a variety of traditional, destructive metallography and magnetometry techniques.


Comparative Studies on the Structure and Magnetic Properties of Mechanically Alloyed Fe40Co30Ni30 Medium-entropy Alloy in Argon and Ambient Atmospheres
Development of FeCo/MnZn Ferrite Composite by Field Assisted Sintering Technique
Effects of Steel Sensitization on Magnetic Properties Measured through MOKE Magnetometry
Exchange Coupled Ferromagnetism in Nanochessboards Obtained By Eutectoid Decomposition in the Co-Pt and Fe-Pt Systems
Improvement of the Magnetic Characteristics of Materials Due to the Formation of Unidirectional Boundaries of Ferrite during Processing in SHS Conditions
Introductory Comments: Metallurgy and Magnetism
Magnetic Performance of Gas-atomized Maraging Steel Powders
Microstructural Development and Mechanical Property Changes Due to Temper Embrittlement in HY-80 Submarine Steel
Modeling the Magnetostructural Interactions in Austenitic Steels at the Quantum Mechanical Level
Processing of Fe-Co Alloys: Past and Present
Processing of Vitreous Fe-based Wires into Nanostructured Soft Magnetic Material
Rapid Thermal Processing of Amorphous and Nanocrystalline Soft Magnetic Alloys
The Effect of Deformation of Low Alloy Steels Used in Metallurgy on Their Magnetic Characteristics
The Influence of the Microstructure Obtained After Processing in SHS Conditions on the Magnetic Characteristics of Steels

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