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The Engineered Metallic Nanostructures Laboratory (EMNL) focuses on understanding the design, synthesis, stability, and mechanical behavior of metallic nanostructures including monolithic nanocrystalline alloys, crystalline-amorphous nanolaminates, metallic glass matrix composites, and other unique hierarchical metallic structures. These novel materials are synthesized through electroforming, sputter and pulsed laser deposition, and additive spray manufacturing techniques. Experiments are used in concert with atomistic simulations to study thermal stability, radiation tolerance, and deformation behavior that results from competing mechanisms at the nanoscale. EMNL group members conduct research at   the Center for Functional Nanomaterials  and    NSLS-II  at Brookhaven National Laboratory,    the Advanced Energy Center  at Stony Brook University, and collaborate with    the Institute for Advanced Computational Science . EMNL is supported by the National Science Foundation through the Division of Materials Research and the Civil, Mechanical and Manufacturing Innovation Division, and Empire State Development’s Division of Science, Technology and Innovation (NYSTAR).

Research Highlights

Atomistic simulations of a nanocrystalline-amorphous nanolaminate subjected to uniaxial deformation illustrating interface-mediated emission and annihilation of dislocations.

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Recent Publications

Yang's article "Stress-assisted Grain Growth in Nanocrystalline Metals: Grain Boundary Mediated Mechanisms and Stabilization through Alloying" published in Acta Materialia

Wenbo's work with Tim Rupert's group at UCI"Nanocrystalline Al-Mg with Extreme Strength Due to Grain Boundary Doping" published in Materials Science & Engineering A

Olivia's article "Impurity Stabilization of Nanocrystalline Grain in Pulsed Laser Deposited Ta" published in the Journal of Materials Research

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News Highlights

Olivia's work with the Women in Engineering Day featured on SBU Happenings:  link

Prof. Trelewicz appointed to the Metallurgical and Materials Transactions A Board of Review.

Prof. Trelewicz receives NSF CAREER Award on “Interface Engineered Amorphous Alloys for Thermoplastic Forming of Ductile Bulk Metallic Glasses”  link

EMNL’s research featured in the Times Beacon Record.  link

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