Associate Professor
Email: josh.kacher@mse.gatech.edu
Tel: 404-894-2781
Office: Love Building, Rm 282
Awards:
2021 NSF CAREER Award
2018 Bradley Stoughton Award for Young Teachers (ASM)
2017 DOE Early Career Research Award
2017 Office of Naval Research Young Investigator Award
2017 Class of 1969 Teaching Fellowship
2016 TMS Young Professional Development Award
Post Docs
Yang Su
Yang Su’s research focuses on the study of stress, strain and GND density in grain boundary vicinity in deformed FCC polycrystalline metals. Using in-situ cross correlation EBSD (HR-EBSD), one can capture the stress/strain caused by dislocation pile-ups and how local stress/strain tensor and GND density evolve with increasing global strain. By collecting HR-EBSD near a large number of grain boundaries (and twin boundaries), we hope to establish a correlation between the character of grain boundaries (or twin boundaries) and the maximum stress/strain that can be reached near those boundaries.
Graduate Researchers
Taylor Sloop
Taylor’s research focuses on investigating high strain rates on the dislocation and fracture of additively manufactured steels, specifically 316L stainless steel, which is important in many applications that experience high strain rates. This study involves the application of many characterization techniques such as TEM, SEM, and EBSD to study the role of dislocations and twin boundaries in this class of fractures.
Nashrah Afroze
Nashrah’s research focuses on the analysis of microstructure of ferroelectric and antiferroelectric CMOS compatible gate oxides for the application in memory and logic devices. Due to the polycrystalline nature of these oxides, the electrical performances such as operating voltage, polarization dynamics, charge trapping and endurance of the Ferroelectric Field Effect Transistors (FeFETs) depend on the phase, orientation, grain size etc. of its microstructure. Her research involves the study of the microstructure of these materials involving different microscopy techniques such as STEM, TEM, NBED and XRD for the improvement of the overall performance of FeFETs.
Masters Students
Enrique Quiros
Qasem Alhassan
Undergraduate Researchers
Shreya Paliwal
Jack Edge
Marc Boyer
Group Alumni
Graduate Students
Sarah Lombardo (PhD 2022) – TEL
Katie Koube (PhD 2022) – ICON
Jahnavi Desai (PhD 2022)- KLA
Colin Stiers (MS 2022) – US Army
Yung Suk Jeremy Yoo (PhD 2020) – Intel
Jordan Key (PhD 2020) – Department of Defense
Undergraduate Students
Stefan Debates (2021)
Joseph Stover (2021)
Josephine Deronja (2021)
Devon Phelps (2021)
Lauren Holm (2021)
Christian Schneider (2021)
Frank Yu (2021)
Bishop Wright (2021)
Colin Stiers (2021)
Annie Mullins (2020)
Melissa Hernandez Guzman (2020)
Rishab Jain (2020)
Alex Yang (2020)
Michael Knudson (2020)
Xueqiao Wang (2019)
Sarah Blust (2019)
Cassiopeia “Cassi” Cartwright (2019)
Lovelyn Wirian (2019)
Amy Clark (2018)
Chase Scott (2017)
Victoria Ohmer (2017)