Skip to main content

Microstructural Evolution under Shear Deformation


EMSL Project ID
51167

Abstract

Solid phase processing (SPP) of alloys using shear-deformation results in nanoscale metastable phases and enhanced mechanical properties. High-speed mass and energy transfer during such process makes the atomic-scale mechanisms in solid phase processing quite complex to understand in real time. Hence as a part of solid phase processing initiative in PNNL, we use an array of shear deformation capabilities ranging from a pin-on-disk tribometer, in situ rotational diamond anvil cell, atomic force microscopy and in situ shear deformation in transmission electron microscope to emulate localized shear deformation conditions and characterize microstructures before-after processing using advanced multimodal microstructural characterization.

Project Details

Start Date
2019-10-09
End Date
2020-09-30
Status
Closed

Team

Principal Investigator

Arun Devaraj
Institution
Pacific Northwest National Laboratory

Team Members

Tingkun Liu
Institution
Pacific Northwest National Laboratory

Bharat Gwalani
Institution
Pacific Northwest National Laboratory

Miao Song
Institution
Pacific Northwest National Laboratory

Jia Liu
Institution
Environmental Molecular Sciences Laboratory

Libor Kovarik
Institution
Pacific Northwest National Laboratory

Tamas Varga
Institution
Environmental Molecular Sciences Laboratory

Chongmin Wang
Institution
Environmental Molecular Sciences Laboratory

Tiffany Kaspar
Institution
Pacific Northwest National Laboratory