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Free Webinar: Using Diffraction-contrast Electron Microscopy to Elucidate Dislocation Pathways in Refractory Multi-principal Element Alloys

  • 1.  Free Webinar: Using Diffraction-contrast Electron Microscopy to Elucidate Dislocation Pathways in Refractory Multi-principal Element Alloys

    Posted 02-10-2021 09:17
    Edited by Carrie Hawk 02-10-2021 09:19

    Thermofisher, March 11, 11:00 AM EST

    Title: Using Diffraction-contrast Electron Microscopy to Elucidate Dislocation Pathways in Refractory Multi-principal Element Alloys

    Register here

    Speakers: Dr. Fulin Wang and Prof. Daniel S. Gianola, Materials Department, University of California, Santa Barbara

    Abstract: Refractory multi-principal element alloys (MPEAs) are promising candidates for structural applications demanding mechanical robustness at temperatures exceeding the capacity of state-of-the-art superalloys. While excellent high temperature strength has been demonstrated in many refractory MPEAs, a fundamental understanding of the nature of dislocation pathways in the BCC versions of these chemically complex alloys and their ability to enable macroscopic ductility is still in its infancy.

     In this webinar, attendees will learn:

    • How in situ scanning transmission electron microscopy in a scanning electron microscope can study the dynamics of dislocation slip pathways in these chemically complex materials
    • How diffraction contrast transmission electron microscopy can quantify the character and slip planes of dislocations generated in these materials
    • How synergies between electron microscopy and simulation can be combined to uncover the origins of unusual slip pathways

    Fulin Wang is a postdoctoral researcher in the Materials Department at University of California, Santa Barbara. He received his Ph.D. in 2017 in materials science and engineering at the University of Virginia, focusing on dislocation-twin interactions and precipitate strengthening in Mg alloys. His recent interests are dislocation behaviors in BCC refractory multi-principal element alloys, the development of automated/correlative in situ mechanical tests and EBSD using direct electron detector.

    Daniel S. Gianola is a professor of materials at the University of California, Santa Barbara (UCSB). He is currently the faculty director of the Microscopy and Microanalysis Facility at UCSB, a central shared facility. Dr. Gianola joined the Materials Department at UCSB in early 2016 after holding the positions of associate professor and Skirkanich Assistant Professor, all in the Department of Materials Science and Engineering at the University of Pennsylvania. He received a B.S. degree from the University of Wisconsin-Madison and his Ph.D. from Johns Hopkins University. Prior to joining the University of Pennsylvania, Gianola was an Alexander von Humboldt Postdoctoral Fellow at the Forschungszentrum Karlsruhe (now Karlsruhe Institute of Technology) in Germany. Dr. Gianola is the recipient of the National Science Foundation CAREER, Department of Energy Early Career, and TMS Early Career Faculty Fellow awards. His research group at UCSB specializes in analysis dealing with deformation at the micro- and nanoscale, particularly using in situ nanomechanical testing techniques.

     



    ------------------------------
    Carrie Hawk
    ASM International
    Community Engagement Specialist

    440-338-5497
    carrieh@asminternational.org
    ------------------------------


  • 2.  RE: Free Webinar: Using Diffraction-contrast Electron Microscopy to Elucidate Dislocation Pathways in Refractory Multi-principal Element Alloys

    Posted 03-08-2021 10:26
    Reminder to sign-up.

    Thermofisher, March 11, 11:00 AM EST

    Title: Using Diffraction-contrast Electron Microscopy to Elucidate Dislocation Pathways in Refractory Multi-principal Element Alloys

    Register here

    Speakers: Dr. Fulin Wang and Prof. Daniel S. Gianola, Materials Department, University of California, Santa Barbara



    ------------------------------
    Carrie Hawk
    ASM International
    Community Engagement Specialist

    440-338-5497
    carrieh@asminternational.org
    ------------------------------