Professor Jordon

Dr. J. Brian Jordon is an Associate Professor in the Department of Mechanical Engineering at The University of Alabama. Dr. Jordon has extensive experience in fatigue and fracture of metals and in particular, has studied fatigue in solid-state processing and welding for nearly a decade. His other interests include, constitutive modeling of plasticity and damage, process-structure-property-performance relationships, modeling of welding and joining, and solid-state additive manufacturing.  Dr. Jordon has published over 90 refereed journal articles and conference proceedings in these and related areas. His research has been supported by the Department of Energy, the Department of Defense, the State of Alabama, and various private industries. 
Contact info:
Department of Mechanical Engineering
Materials Science Program
The University of Alabama
Box 870276, Tuscaloosa, AL 35487, USA
Tel: (205) 348-2701  Email: bjordon@eng.ua.edu

Current Graduate Students

Conner Cleek 
MS Mechanical Engineering
Expected Graduation: Spring 2020
Research: Solid-state additive repair of hard to weld metals
Publications:
  • “Fatigue of Additive Friction Stir Layer Welding of AZ31 Mg Alloy" Journal of Manufacturing Processes [in review]
Ben Rutherford
PhD Materials Science
Expected Graduation: Spring 2020
Research: Fatigue of solid state additive manufacturing of IN625 
Robert Escobar
PhD Mechanical Engineering
Expected Graduation: Spring 2020
Research: SPH modeling Oxide Dispersion of ​Solid-State Additive Manufacturing
George Stubblefield 
PhD Mechanical Engineering
Expected Graduation: Spring 2020
Research: SPH Modeling of ​Plasticity and damage in Solid-State Additive Manufacturing
​Georgina Harell
PhD Mechanical Engineering
Expected Graduation: Spring 2021
Research: Machine Learning for Process Optimization of Additive Manufacturing
​Taylor Mason
PhD Mechanical Engineering
Expected Graduation: Spring 2020
Research: ​Solid-State Additive Manufacturing High-Strenght Aluminum Alloys
​Publications:
  • “Microstructure-Deformation Relationship of Additive Friction Stir-Deposited Aluminum Alloy 6061,” Materialia [in review]
  • “Plasticity-Damage Modeling of Strain-Rate and Temperature Dependence of AA7075-T651", Journal of Dynamic Behavior of Materials, 5:1, 105-114 (2019)
  • “Fatigue Behavior of Solid-State Additive Manufacturing of Inconel 625,” JOM, 70(11), 2475-2484 (2018)​
Dustin Avery
PhD Mechanical Engineering
Expected Graduation: Spring 2020
Research:  Structure-property relationships of solid state additive manufacturing of IN625 
Publications:
  • “Microstructure-Deformation Relationship of Additive Friction Stir-Deposited Aluminum Alloy 6061,” Materialia [in review]
  • “Plasticity-Damage Modeling of Strain-Rate and Temperature Dependence of AA7075-T651", Journal of Dynamic Behavior of Materials, 5:1, 105-114 (2019)
  • "Characterization of the Fatigue Behavior in Al-Li Alloy 2099," Materials Characterization, 151, 496-505 (2019)
  • “Experiments and Modeling of Fatigue Behavior of Friction Stir Welded Aluminum Lithium Alloy," Metals, 9:3, 293 (2019)
  •  “Fatigue Behavior of Solid-State Additive Manufacturing of Inconel 625,” JOM 70, 11, 2475-2484 (2018)

Alumni

​Dr. Ben White
PhD in Materials Science, May 2019
​Employer: Sandia National Lab
Research:  Fatigue Structure-property relationships of cold spray deposition in aluminum alloys
Publications:
  • “Fatigue of Additive Friction Stir Layer Welding of AZ31 Mg Alloy" Journal of Manufacturing Processes [in review]
  • "Fatigue Behavior of Fastener Holes in High Strength Aluminum Plates Repaired by Cold Spray Deposition," International Journal of Fatigue [in review]
  • Fracture Mechanics Methods for Evaluating the Adhesion of Cold Spray Deposits, Engineering Fracture Mechanics 205, 57-69, (2019) 
  • “The Effect of Tensile Pre-Straining on Fatigue Crack Initiation Mechanisms and Mechanical Behavior of AA7050 Friction Stir Welds,” Mater Sci Eng: A, 736, 228-238 (2018)
  • “Effect of Heat Exposure on the Fatigue Properties of AA7050 Friction Stir Welds,” J. Mat. Eng. Performance, 27, 3007-3013 (2018)
  • “Fatigue Behavior of freestanding AA2024 and AA7075 Cold Spray Deposits,” International Journal of Fatigue, 112, 355-360 (2018)
  • “A strategy to optimize recovery in orthopedic sports injuries,” Journal of Bioanalysis and Biomedicine, 9:144-151 (2017)
Dr. Abby Cisko
PhD in Mechanical Engineering, Dec 2018
​​Employer: US Army ERDC
Research:  Friction Stir Welding of Al-Li 2099
Publications:
  • ​“Parametric Investigation on Friction Stir Welding of Al-Li Alloy 2099,” Materials and Manufacturing Processes [in review]
  • "Characterization of the Fatigue Behavior in Al-Li Alloy 2099," Materials Characterization, 151, 496-505 (2019)
  • “Experiments and Modeling of Fatigue Behavior of Friction Stir Welded Aluminum Lithium Alloy," Metals, 9:3, 293 (2019)
  • “Effect of Heat Exposure on the Fatigue Properties of AA7050 Friction Stir Welds,” J. Mat. Eng. Performance, 27, 3007-3013 (2018)
James Wlodarski
MS in Mechanical Engineering, Aug 2018
Research:  Additive Friction Stir Layer Welding of AZ61 Mg Alloy
Employer: Invariant Corporation 
Publications:​​
  • “Fatigue of Additive Friction Stir Layer Welding of AZ31 Mg Alloy" Journal of Manufacturing Processes [in review]
  • Parametric Investigation on Friction Stir Welding of Al-Li Alloy 2099,” Materials and Manufacturing Processes [in review]
Thompson King
MS in Mechanical Engineering, May 2018
Research:  Effect of Pre-Existing Core Damage in Honeycomb Core Sandwich Structures
Publications:​​
  • “Characterization Pre-Existing Core Damage in Honeycomb Core Sandwich Structures" Journal of Composite Materials [in review]
Dr. Joao F. C. Moraes
PhD in Mechanical Engineering, Dec 2016
​​Employer:  Novelis
Research:  Numerical analysis of self-pierce riveting in aluminum and magnesium alloys
Publications:​
  • “Effect of Process Deformation History on Mechanical Performance in Self-Pierce Riveted Joints,” Engineering Fracture Mechanics [accepted]
  • ​"Residual Stresses and Plastic Deformation in Self-Pierce Riveting of Dissimilar Aluminum-to-Magnesium Alloys,” SAE International Journal of Materials and Manufacturing, 11(2), 139-150 (2018)
  • ​"Influence of the Friction Coefficient in Self-Pierce Riveting Simulations: A Statistical Analysis,” SAE International Journal of Materials and Manufacturing, 11(2), 123-130 (2018)
  • “High Cycle Fatigue Mechanisms of Aluminum Self-Piercing Riveted Joints,” Fatigue Fract Eng Mater & Struct. 1-14 (2017)
  • “Effect of Overlap Orientation on Fatigue Behavior in Friction Stir Linear Welds of Magnesium Alloy Sheets.” Int. J. Fatigue 100, 1-11 (2017)
  • “Finite Element Analysis of Self-Pierce Riveting in Magnesium Alloys Sheets,” J. Eng. Mater. Technol 137 (2), 021002 (2015)
Dr. Rogie Rodriguez
PhD in Mechanical Engineering, Dec 2015​
​Employer: Boeing Co.
Research:  Structure-Property Relationships of friction stir welding of high strength aluminum alloys
Publications:​
  • “Corrosion Effects on the Fatigue Behavior of Dissimilar Friction Stir Welding of High-Strength Aluminum Alloys,” Mater Sci Eng: A 742, 255-268 (2019)
  • “Effect of Heat Exposure on the Fatigue Properties of AA7050 Friction Stir Welds,” J. Mat. Eng. Performance, 27, 3007-3013 (2018)
  • “Effect of Overlap Orientation on Fatigue Behavior in Friction Stir Linear Welds of Magnesium Alloy Sheets.” Int. J. Fatigue 100, 1-11 (2017)
  •  “Low-Cycle Fatigue of Dissimilar Friction Stir Welded Aluminum Alloys,” Mater Sci Eng. A 618, 637-644 (2016)
  • ​“Dissimilar Friction Stir Welding of 6061-to-7050 Aluminum Alloys,” Materials and Design, 83, 60-65 (2015)
  • “Microstructure and Texture Evolution of Magnesium-Zinc-Rare Earth Alloy Sheets During Friction Stir Spot Welding,” Mater Sci Eng. A, 618, 637-644 (2014)
  • “Feasibility Study of Friction Stir Spot Welding of Rare-Earth Magnesium Alloy Sheets,” Materials and Design 56, 750-754 (2014)
​Dr. Harish Rao
PhD in Mechanical Engineering, Aug 2014​
​Employer: National Energy Technology Laboratory
Research:  Structure-Property Relationships of friction stir welding of dissimilar Mg-to-Al joining
Publications:​​
  • “High Cycle Fatigue Mechanisms of Aluminum Self-Piercing Riveted Joints,” Fatigue Fract Eng Mater & Struct. 1-14 (2017)
  • “Influence of the Key-hole on Fatigue Life in Friction Stir Linear Welded Aluminum to Magnesium,” Int. J. Fatigue 105, 16-26 (2017)
  • "Effect of Process Parameters on Lap-Shear Strength of Friction Stir Linear Welded Aluminum-to-Magnesium," Mater Sci Eng. A 651, 27-36 (2016)
  • “Fatigue and Fracture of Friction Stir Linear Welded Dissimilar Aluminum-to-Magnesium Alloys,” Int. J. Fatigue 82, 737-747 (2016)
  • “Microstructure and Texture Evolution of Magnesium-Zinc-Rare Earth Alloy Sheets During Friction Stir Spot Welding,” Mater Sci Eng. A, 618, 637-644 (2014)
  • “Feasibility Study of Friction Stir Spot Welding of Rare-Earth Magnesium Alloy Sheets,” Materials and Design 56, 750-754 (2014)
  • “Influence of Structural Integrity on Fatigue Behavior of Friction Stir Spot Welded AZ31 Mg Alloy,” Mat. Sci. Eng A 564(1) 369–380 (2013)
  • “Structure-property relationships and residual stress quantification of a friction stir spot welded Magnesium alloy,”  Scripta Materialia, 66(10) 797-800 (2012)
Bobby McCullough
MS in Mechanical Engineering, Dec 2014
Research:  Experiments and modeling of plasticity and damage in aluminum alloys
Employer:  Michelin North America, Inc
Publications:​​
  • “Fatigue crack nucleation and small crack growth in an extruded 6061 aluminum alloy,” International Journal of Fatigue, 119, 52-61 (2019)
  • “Characterization of the Bauschinger Effect in Extruded Aluminum Alloy,” Strength, Fracture, and Complexity, 10:3-4, 175-190 (2017)
  • “A Fatigue Model For Discontinuous Particulate-Reinforced Aluminum Alloy Composite: Influence of Microstructure.”  J. Met. Eng. Performance, 23, 65-78 (2014)
Mohammed Haroon Sheikh
MS in Mechanical Engineering, May 2014
Research: Structural stress analysis of friction stir welded joints of AZ31 Mg alloy
Employer: Cummings, Inc
Publications:​​
  • “Fatigue Behavior and Structural Stress Analysis of Friction Stir Welded Joints of AZ31 Magnesium Alloy,” [in preparation]
Andrew Brammer
MS in Mechanical Engineering, May 2013
Research: Fatigue characterization and modeling of 6061 aluminum alloy
Employer: Dana Holding Corparation
Publications:​​
  • “Strain-Controlled Low Cycle Fatigue Properties of Extruded 6061-T6 Aluminum Alloy,” J. Met. Eng. Performance, 22, 5, 1348-1350 (2013)
Dr. Jairus Bernard
MS in Mechanical Engineering, May 2013
Research: Small fatigue crack growth in Mg alloys
Employer:  Eglin Air Force Base
Publications:​​
  • “Role of Different Material Processing Methods on the Fatigue Behavior of AZ31 Magnesium Alloy,” Int. J. Fatigue 52, 131-143 (2013)
  • “Observations and Modeling of the Small Fatigue Crack Behavior of an Extruded AZ61 Magnesium Alloy,” Int. J. Fatigue 52, 20-29 (2013)
  • “Quantifying Microstructurally Small Fatigue Crack Growth in an Aluminum Alloy Using a Silicon-Rubber Replica Method,” Int. J. Fatigue 36, 206-210; (2012)
  • “Structure–property relations of cyclic damage in a wrought magnesium alloy,” Scripta Mater. 63, 751-756; (2010)
  • “Damage Characterization and Modeling of a 7075-T651 Aluminum Plate,” Mat Sci Eng. A 527, 1-2, p. 169-178; (2009) 
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