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  • Jan
    22

    ME 512 & TAM Seminar - Meredith Silberstein - Mechanics and Chemistry in Designing Polymers

    McCormick - Mechanical Engineering

    3:00 PM L211, Technological Institute

    EVENT DETAILS

    Monday, January 22, 2018

    3:00pm - 4:00pm

    Mechanics and Chemistry in Designing Polymers

    Abstract

    The coupling of mechanics and chemistry is an emerging field leading to innovative material design. This talk will cover two projects within my group, one towards utilizing mechanochemistry in polymers and composites, the other towards tailoring bulk polymers formed from assemblies of single chain polymer nanoparticles (SCPN). Topic 1: Polymer and interface multifunctionality can be designed through the incorporation of chemical groups termed “mechanophores” that have a specific chemical transformation in response to applied force. Mechanophores have been developed that change color, emit light, alter polymer chain contour length, and trigger crosslinking. However, incorporating these force-driven molecules to create stress-driven functions in bulk materials can be tricky. We use a combination of computational, theoretical, and experimental approaches to understand how stress on the bulk scale is converted to mechanophore-scale force to then modify the polymer. Topic 2: SCPN are formed from intra-chain cross-linking of a single polymer chain. These units have potential as the building blocks of polymers where the properties are controlled by the highly tailorable SCPN structure rather than just by the material chemistry. We utilize both molecular dynamics simulations and experiments to investigate the mechanical behavior of a SCPN assemblies as a function of degree of polymerization and cross-linking.

    Biography

    Meredith Silberstein is an Assistant Professor and Mills Family Faculty Fellow in the Sibley School of Mechanical & Aerospace Engineering at Cornell University. She received her PhD in June 2011 from the MIT Department of Mechanical Engineering with a major in solid mechanics and a minor in energy. Afterward, she served as a postdoctoral fellow at the Beckman Institute at the University of Illinois Urbana-Champaign, investigating mechanochemically active materials. In 2013 she received the Haythornthwaite Research Initiation Grant from ASME Applied Mechanics Division. In 2017 she received the NSF CAREER award. Meredith Silberstein's Mechanics for Materials Design (MMD) Lab is devoted to using mechanical experiments and modeling methods in material design, with particular focus on multifunctional, active, and polymeric materials.

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    TIME Monday, January 22, 2018 at 3:00 PM - 4:00 PM

    LOCATION L211, Technological Institute    map it

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    CONTACT Theresa Santos    tami.santos@northwestern.edu EMAIL

    CALENDAR McCormick - Mechanical Engineering

  • Apr
    30

    ME Alumni Seminar Series- Apostolos Karafillis

    McCormick - Mechanical Engineering (ME)

    2:00 PM 1.350, Ford Motor Company Engineering Design Center

    EVENT DETAILS

    TIME Tuesday, April 30, 2024 at 2:00 PM - 3:00 PM

    LOCATION 1.350, Ford Motor Company Engineering Design Center    map it

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    CONTACT Jeremy Wells    jeremywells@northwestern.edu EMAIL

    CALENDAR McCormick - Mechanical Engineering (ME)

  • May
    3

    Russ Tedrake, MIT and Toyota Research Institute, "Dexterous Manipulation with Diffusion Policies"

    Center for Robotics and Biosystems (CRB)

    11:30 AM M416, Technological Institute

    EVENT DETAILSmore info

    TIME Friday, May 3, 2024 at 11:30 AM - 12:30 PM

    LOCATION M416, Technological Institute    map it

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    CONTACT Amy Nedoss    amy.nedoss@northwestern.edu EMAIL

    CALENDAR Center for Robotics and Biosystems (CRB)

  • 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

  • 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

  • Aug
    14

    Undergraduate Quantum Summer School

    McCormick School of Engineering and Applied Science

    All Day Ford Motor Company Engineering Design Center

    EVENT DETAILSmore info

    TIME Wednesday, August 14, 2024

    LOCATION Ford Motor Company Engineering Design Center    map it

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    CONTACT Dongyang Li    lidongyang@northwestern.edu EMAIL

    CALENDAR McCormick School of Engineering and Applied Science

  • Aug
    15

    Undergraduate Quantum Summer School

    McCormick School of Engineering and Applied Science

    All Day Ford Motor Company Engineering Design Center

    EVENT DETAILSmore info

    TIME Thursday, August 15, 2024

    LOCATION Ford Motor Company Engineering Design Center    map it

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    CONTACT Dongyang Li    lidongyang@northwestern.edu EMAIL

    CALENDAR McCormick School of Engineering and Applied Science