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  • Nov
    1

    MSE Colloquium: High Entropy Alloys and How to Strengthen Them

    Department of Materials Science and Engineering

    4:00 PM Tech L361 Technological Institute

    EVENT DETAILS

    High entropy alloys and how to strengthen them

    Presented by: Tai-Gang Nieh

    In this presentation, I will first give a brief overview of the recent development of high-entropy alloys and, then, discuss and summarize different traditional strengthening mechanisms that have been observed in high-entropy alloys. Some of these mechanisms are useful for low-temperature and some for high-temperature applications. Special emphasis is placed on the perspective of developing precipitation-hardened alloys for both low and high temperature applications. Examples of coherent precipitates strengthened fcc-base alloys, such as Al and Ti-modified NiFeCoCr, will be given. Microstructure-wise, these precipitation-hardened alloys, in fact, bear great resemblance to the well-known γ-γ' Ni-base superalloys. Aging response as well as strengthening of this alloy will be presented. Finally, if time permits, I will discuss the intrinsic strength (or frictional stress) resulting from lattice distortion induced by the uniform distribution of concentrated constituent elements. The measurements of intrinsic strength will correct the misuse of traditional solid-solution theory for the
    explanation of the apparent high strength in high-entropy alloys.

    Biography: Dr. T.G. Nieh is currently a professor in Department of Materials Science and Engineering at The University of Tennessee. From 1980 to 1992, he worked at Lockheed Missiles and Space Co. (now Lockheed-Martin Corporation) as a Senior Fellow of Research Laboratory. He subsequently worked at Lawrence Livermore National Laboratory as a Senior Research Fellow until he joined UT in 2004. Nieh is a world leader in superplasticity and superplastic forming. He is also widely recognized for his work in several material science disciplines, including multicomponent complex alloys (including high entropy alloys and bulk metallic glasses), nanocrystalline materials, lightweight alloys, metal-matrix composites, intermetallics, refractory metals and nanolaminates. He published over 400 papers and a textbook on “Superplasticity of metals and ceramics'. He is now serving as Editor-in-Chief, Journal of Intermetallics., has served as Editor, Materials Letters, 2008-2013. Nieh received the Ph.D. degree in Materials Science and Engineering from Stanford University, the M.S. degree in Physics from University of Washington, Seattle, and the B.S. degree in Physics from National Cheng-Kung University in Taiwan.

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    TIME Tuesday, November 1, 2016 at 4:00 PM - 5:00 PM

    LOCATION Tech L361 Technological Institute    map it

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    CONTACT Department Office    matsci@northwestern.edu EMAIL

    CALENDAR Department of Materials Science and Engineering

  • Apr
    25

    MSE Resource Center Open Lab Sessions

    Department of Materials Science and Engineering (MatSci)

    10:00 AM 2036, Cook Hall

    EVENT DETAILS

    TIME Thursday, April 25, 2024 at 10:00 AM - 11:00 AM

    LOCATION 2036, Cook Hall    map it

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    CONTACT Wade Tischhauser    wade@northwestern.edu EMAIL

    CALENDAR Department of Materials Science and Engineering (MatSci)

  • Apr
    29

    MSE Resource Center Open Lab Sessions

    Department of Materials Science and Engineering (MatSci)

    10:00 AM 2036, Cook Hall

    EVENT DETAILS

    TIME Monday, April 29, 2024 at 10:00 AM - 11:00 AM

    LOCATION 2036, Cook Hall    map it

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    CONTACT Wade Tischhauser    wade@northwestern.edu EMAIL

    CALENDAR Department of Materials Science and Engineering (MatSci)

  • May
    2

    MSE Resource Center Open Lab Sessions

    Department of Materials Science and Engineering (MatSci)

    10:00 AM 2036, Cook Hall

    EVENT DETAILS

    TIME Thursday, May 2, 2024 at 10:00 AM - 11:00 AM

    LOCATION 2036, Cook Hall    map it

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    CONTACT Wade Tischhauser    wade@northwestern.edu EMAIL

    CALENDAR Department of Materials Science and Engineering (MatSci)

  • May
    6

    MSE Resource Center Open Lab Sessions

    Department of Materials Science and Engineering (MatSci)

    10:00 AM 2036, Cook Hall

    EVENT DETAILS

    TIME Monday, May 6, 2024 at 10:00 AM - 11:00 AM

    LOCATION 2036, Cook Hall    map it

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    CONTACT Wade Tischhauser    wade@northwestern.edu EMAIL

    CALENDAR Department of Materials Science and Engineering (MatSci)

  • May
    8

    Extending Care: A Conversation about Conservation and Futurity

    Block Museum of Art

    6:00 PM Block Museum of Art, Mary and Leigh

    EVENT DETAILSmore info

    TIME Wednesday, May 8, 2024 at 6:00 PM - 7:30 PM

    LOCATION Block Museum of Art, Mary and Leigh    map it

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    CONTACT Block Museum of Art    block-museum@northwestern.edu EMAIL

    CALENDAR Block Museum of Art

  • May
    9

    MSE Resource Center Open Lab Sessions

    Department of Materials Science and Engineering (MatSci)

    10:00 AM 2036, Cook Hall

    EVENT DETAILS

    TIME Thursday, May 9, 2024 at 10:00 AM - 11:00 AM

    LOCATION 2036, Cook Hall    map it

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    CONTACT Wade Tischhauser    wade@northwestern.edu EMAIL

    CALENDAR Department of Materials Science and Engineering (MatSci)

  • May
    13

    MSE Resource Center Open Lab Sessions

    Department of Materials Science and Engineering (MatSci)

    10:00 AM 2036, Cook Hall

    EVENT DETAILS

    TIME Monday, May 13, 2024 at 10:00 AM - 11:00 AM

    LOCATION 2036, Cook Hall    map it

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    CONTACT Wade Tischhauser    wade@northwestern.edu EMAIL

    CALENDAR Department of Materials Science and Engineering (MatSci)

  • May
    16

    MSE Resource Center Open Lab Sessions

    Department of Materials Science and Engineering (MatSci)

    10:00 AM 2036, Cook Hall

    EVENT DETAILS

    TIME Thursday, May 16, 2024 at 10:00 AM - 11:00 AM

    LOCATION 2036, Cook Hall    map it

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    CONTACT Wade Tischhauser    wade@northwestern.edu EMAIL

    CALENDAR Department of Materials Science and Engineering (MatSci)

  • May
    20

    MSE Resource Center Open Lab Sessions

    Department of Materials Science and Engineering (MatSci)

    10:00 AM 2036, Cook Hall

    EVENT DETAILS

    TIME Monday, May 20, 2024 at 10:00 AM - 11:00 AM

    LOCATION 2036, Cook Hall    map it

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    CONTACT Wade Tischhauser    wade@northwestern.edu EMAIL

    CALENDAR Department of Materials Science and Engineering (MatSci)

  • May
    23

    MSE Resource Center Open Lab Sessions

    Department of Materials Science and Engineering (MatSci)

    10:00 AM 2036, Cook Hall

    EVENT DETAILS

    TIME Thursday, May 23, 2024 at 10:00 AM - 11:00 AM

    LOCATION 2036, Cook Hall    map it

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    CONTACT Wade Tischhauser    wade@northwestern.edu EMAIL

    CALENDAR Department of Materials Science and Engineering (MatSci)

  • May
    27

    MSE Resource Center Open Lab Sessions

    Department of Materials Science and Engineering (MatSci)

    10:00 AM 2036, Cook Hall

    EVENT DETAILS

    TIME Monday, May 27, 2024 at 10:00 AM - 11:00 AM

    LOCATION 2036, Cook Hall    map it

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    CONTACT Wade Tischhauser    wade@northwestern.edu EMAIL

    CALENDAR Department of Materials Science and Engineering (MatSci)

  • May
    30

    MSE Resource Center Open Lab Sessions

    Department of Materials Science and Engineering (MatSci)

    10:00 AM 2036, Cook Hall

    EVENT DETAILS

    TIME Thursday, May 30, 2024 at 10:00 AM - 11:00 AM

    LOCATION 2036, Cook Hall    map it

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    CONTACT Wade Tischhauser    wade@northwestern.edu EMAIL

    CALENDAR Department of Materials Science and Engineering (MatSci)

  • Jun
    10

    Northwestern Engineering PhD Hooding and Master's Degree Recognition Ceremony

    McCormick School of Engineering and Applied Science

    9:00 AM Welsh-Ryan Arena

    EVENT DETAILSmore info

    TIME Monday, June 10, 2024 at 9:00 AM - 11:00 AM

    LOCATION Welsh-Ryan Arena   

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    CONTACT Amy Pokrass    amy.pokrass@northwestern.edu EMAIL

    CALENDAR McCormick School of Engineering and Applied Science

  • Jun
    10

    Northwestern Engineering Undergraduate Convocation

    McCormick School of Engineering and Applied Science

    2:00 PM Welsh-Ryan Arena

    EVENT DETAILSmore info

    TIME Monday, June 10, 2024 at 2:00 PM - 4:00 PM

    LOCATION Welsh-Ryan Arena   

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    CONTACT Amy Pokrass    amy.pokrass@northwestern.edu EMAIL

    CALENDAR McCormick School of Engineering and Applied Science