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Postdoctoral Researcher

Seyed Hojjatzadeh

2024

Current Position: Assistant Professor at University of Memphis

Graduate Students

* Previous Ph.D. students:

David Garcia

Ph.D. 2020

Thesis: An investigation of the processing history during Additive Friction Stir Deposition using in-process monitoring techniques
Current Position: Materials Scientist at Pacific Northwest National Laboratory

Hunter Rauch
Ph.D. 2021
Thesis: Granular Shape Memory Ceramics
Current Position: Assistant Research Professor at Penn State University

Joey Griffiths

Ph.D. 2021

Thesis: Dynamic and Post-Dynamic Microstructure Evolution in Additive Friction Stir Deposition
Current Position: Postdoc at Lawrence Livermore National Laboratory

Mackenzie Perry

Ph.D. 2021

Thesis: Material Flow and Microstructure Evolution During Additive Friction Stir Deposition of Aluminum Alloys
Current Position: Materials Engineer, NSWC Carderock

Jake Yoder

Ph.D. 2022

Thesis: Origins of Embrittlement of an Al-Zn-Mg-Cu Alloy Post Additive Friction Stir Deposition
Current Position: Senior Materials Scientist,  MELD Manufacturing Corporation

Doug Hartley

Ph.D. 2022

Thesis: Processing Mechanics of Additive Friction Stir Deposition 
Current Position: Materials and Process Engineer, Blue Origin

Greg Hahn

Ph.D. 2023

Thesis: Additive Friction Stir Deposition of Aerospace Al-Zn-Mg-Cu-Zr Alloys: Leveraging Processing and Metallurgical Science for Structural Repair

Kendall Knight

Ph.D. 2024

Thesis: Heat Generation and Transfer in Additive Friction Stir Deposition

* Previous M.S. students:

Jingran Li

Masters of Science 2017
Thesis: Integration of Physically-based and Data-driven Approaches for Thermal Field Prediction in Additive Manufacturing
Current Position: Quality Assurance Engineer at Zyno Medical


Jee Yun Kim
​Masters of Science 2018
​Thesis: Data-driven Methods in Mechanical Model Calibration and Prediction for Mesostructured Materials
Current Position: Process Development Engineer II at Beyond Meat

Ryan Gottwald

​Masters of Science 2022
​Thesis: Exploration of Small-Scale Solid-State Additive Manufacturing for the Repair of Metal Alloys
Current Position: Graduate Student at Virginia Tech

Haozheng Wang

​Masters of Science 2023
​Thesis: Selective Laser Melting of Finemet Soft Magnetic Material
Current Position: Graduate Student at University of Michigan

Reece Preisser

Masters of Science 2024

Current Position: Engineer at Space X

Brett Pennington

Masters of Science 2024

Thesis: Frequency Response Modeling of AFSD Parts with Print Defects

Current Position: Engineer at GE Edison Engineering Development Program

* Previous M. Eng. students:

Daniel Eynisfeld
Masters of Engineering 2018
Current Position: Mechanical Engineer II at Raytheon Technologies


Son-Nam Nguyen
Masters of Engineering 2018
Current Position: Metallurgist at Howmet

Dylan Petersen
Masters of Engineering 2021

Current Position: Characterization Engineer at Li Industries

Robert Palisin
Masters of Engineering 2022

Current Position: Materials Engineer at US Marine 

Robert Callaham

Current Position: Lead Engineer at Salient Motion

Alexander Koelsch

Masters of Engineering 2023

Current Position: Materials Engineer at Pratt & Whitney

 

Undergraduate Students

Aaron Knust
BS Mechanical Engineering 2017
Current Position: Project Engineer for Newport News Shipbuilding
Anna (Kofer) Rawlings
BS Materials Science and Engineering 2017
​Current Position: Ph.D. student, Johns Hopkins University
Jesse Dubrowsky
BS Materials Science and Engineering 2017
Current Position: Sr. Manufacturing Process Engineer at Cue Health
Chauvien Bui-Huynh
BS Materials Science and Engineering 2018
Current Position: Additive Manufacturing Integration Engineer at BLUE ORIGIN

Robert Wear
BS Materials Science and Engineering 2019
Current Position: Staff Engineer at Froehling and Robertson
Irena Shaffer
BS Engineering Science and Mechanics 2019
Current Position: Graduate Student at Virginia Tech

Gideon Crawford
BS Materials Science adn Engineering, 2022
Current Position: Ph.D. student, Colorado School of Mines

Senior Design Teams

·     Daniel Fiedore, Riley Gates, Alex Thoden, Lily Tran, 2022, Department of Materials Science and Engineering, “Exploring Bonding of Dissimilar Metals Through Additive Friction Stir Deposition: Aluminum and Steel”.

·     Matt Wiggins, Jason Stimson, Luke Bradshaw, Haozheng Wang, 2021, Department of Materials Science and Engineering, “Solid State Recycling of Aluminum Scrap Using Additive Friction Stir Deposition”.

·       Ariel Lee, David Sanches, Will Blankenship, Rob Palisin, 2021, Department of Materials Science and Engineering, “Metallic Glass Synthesis for Metal Matrix Composite Reinforcement”.

·     Kendall Knight, Ross Williams, Annelise Wright, Minh Tran, Rob Callaham, 2021, Department of Mechanical Engineering, “Additive Friction Stir Deposition Heated Print Bed”.

·     Greg Hahn, Sam Ashby, Cameron Yi, Tyler Powers, 2020, Department of Materials Science and Engineering, "Developing a process to create aluminum-graphene composite for Additive Friction Stir Deposition".

·     Alexander Koelsch, Adam Marcy, Joshua Echols, Zhanhong Song, 2020, Department of Materials Science and Engineering, “Reinforcing Aluminum Matrices Using Cerium-Doped Zirconia For Use In Additive Friction Stir Deposition”.

·     Emily Bautista, Dylan Petersen, David Kang, 2019, Department of Materials Science and Engineering, “Investigation of Additive Friction Stir for Al 7075 Hole Repair”.  Best Poster Award. 

·     ​Jake Yoder, Drew Arvan, Kyle Nelson, Neal Patel, 2018, Department of Materials Science and Engineering, "Ceramic 3D Printing by Stereolithography".

·     Mackenzie Jones, Seba Periera, Son-Nam Nugyen, Mathew How Yew Kin, 2017, Department of Materials Science and Engineering, “3D Architectured Twinning Induced Plasticity (TWIP) Steel”.