Technical & Poster Presentations

Session 1
Design for Manufacturing and Topology Optimization – I
Tuesday, July 12, 2022
8:30 AM – 10:00 AM
Session Chairs: John S. Taylor (University of North Carolina – Charlotte) and Dirk Oberschmidt (Technische Universität Berlin)

1. Invited – Enabling Process-aware Design Optimization for Mitigating Residual Stress and Distortion in Metal Additive Manufacturing
   Wen Dong, Praveen Vulimiri, Albert C. To (University of Pittsburgh)
2. Invited – (Micro)structure Considerations in Additive Manufacturing
   John J. Lewandowski, Hannah Sims (Case Western Reserve University); Mohsen Seifi (ASTM International)
3. Invited – Controlling Cooling Rates through Topology Optimization for Required Microstructure in Additive Manufacturing Process
   Vibhas Mishra, Can Ayas, Matthijs Langelaar, Fred van Keulen (Delft University of Technology)

Session 2
Applications of Additive Manufacturing
Tuesday, July 12, 2022
10:30 AM – 11:50 AM
Session Chairs: Henning Zeidler (TU Freiberg, Germany) and Xiayun Zhao (University of Pittsburgh)

1. Heat Transfer Characteristics of Additively Manufactured Surfaces: An Experimental and Computational Study
   Kuldeep Mandloi, Christopher J. Evans, Harish P. Cherukuri, Jimmie A. Miller, Angela Allen, Jeff Raquet, Brian Dutterer (University of North Carolina at Charlotte); Jason C. Fox (National Institute of Standards and Technology)
2. Additive Manufacturing of High Resolution PZT Components: Slurry Development, Characterization, Design and Fabrication
   Marina Artemeva, Anna Danielak, Alberto Basso, Javier L. Navas, Macarena M. Ribo, David B. Pedersen, Venkata K. Nadimpalli (Technical University of Denmark)
3. Hybrid Manufacturing of Steel Boat Propellers
   Joshua Penney, Aaron Cornelius, Tiffany Quigley, William Hamel, Bradley H. Jared, Tony L. Schmitz (University of Tennessee, Knoxville)
4. Non-destructive, Low Cost Qualification of AM Materials and Processes using RF Measurements
   Paul R. Carriere, Nanda Matavalan, Pedro Frigola, Aurora Araujo, Sergey Kutsaev (Radiabeam Technologies)

Session 3
Poster Introductions-Rapid Fire
Tuesday, July 12, 2022
11:50 AM – 12:30 PM
Session Chairs: Adam Thompson (University of Nottingham) and Seno Rekawa (Lawrence Berkeley National Laboratory)

1. Microstructure Analysis of Laser-based Powder Bed Fusion Surfaces
   Ahmet Koca, Mingyu Liu, Richard Leach (University of Nottingham)
2. Inside an MPVP Light Engine: Illumination System Analysis
   Gwendoline A. E. Anand, Anna H. Danielak, Alberto Basso, Macarena Méndez Ribó, Javier Navas López, Marina Artemeva, Jon Spangenberg, David B. Pedersen (Technical University of Denmark)
3. Machine Learning Aided High Dynamic Range 3D Measurements of Surface Topography During LPBF Additive Manufacturing with In-situ Fringe Projection Profilometry Topography
   Haolin Zhang, Chaitanya Krishna Prasad Vallabh, Sizhe Xu, Xiayun Zhao (University of Pittsburgh)
4. Spatial Resolution of 3D Printed Silica-acrylate Hybrid Materials via VAT Photopolymerization
   Javier López Navas, Gwendoline A. E. Anand, Alberto Basso, Anna H. Danielak, Marina Artemeva, Macarena Méndez Ribó, David B. Pedersen (Technical University of Denmark); Zhang Liu, King Lun Yeung (The Hong Kong University of Science and Technology)
5. In-situ Optical Sensor Integration in an Open Source L-PBF System for Correlating Laser Power to Melt Pool Radiation
   Kenneth Æ. Meinert, Christian L. Budden, Aakil Raj Lalwani, David B. Pedersen (Technical University of Denmark); Rob Kleijnen (LEGO System A/S)
6. In-Situ Monitoring of Wire Arc Additive Manufacturing for Defect Prediction Using Random Forests
   Eduardo Miramontes, Bradley H. Jared, Joshua Penney, William R. Hamel,, Tony L. Schmitz, Samuel St. John, Anahita Khojandi (University of Tennessee Knoxville)
7. Topology Optimization of Thin-walled Parts for Hybrid Manufacturing
   Eduardo Miramontes, William R. Hamel, Joshua Penney, Tony L. Schmitz, Bradley H. Jared (University of Tennessee Knoxville); Joshua Robbins (Sandia National Laboratories)
8. Precision Finishing of Additive Manufactured Ti-Al-components Using Diamond Slide Burnishing
   Julian Polte, Mitchel Polte, Eckart Uhlmann (Fraunhofer Institute for Production Systems and Design Technology IPK); Christian Lahoda (Technische Universität Berlin)
9. Optimal Dispersant Concentration of PZT Ceramic-containing Slurry to Enhance Printing and Surface Quality of DLP 3D Printed Ceramics
   Insup Kim, Sanglae Kim, Alberto Andreu, Jeong-Hwan Kim, Yong-Jin Yoon (Korea Advanced institute of Science and Technology)
10. Continuously Varied Infill Pattern (ConVIP) for Fused Filament Fabrication 3D Printing
    Sanglae Kim, Alberto Andreu, Insup Kim, Jeong-Hwan Kim, Yong-Jin Yoon (Korea Advanced institute of Science and Technology)
11. Fast Impression Painting Using Multi-color Fused Deposition Modeling with a Diamond Hotend
    Riccardo Tonello, David Bue Pedersen, Jeppe Revall Frisvad (Technical University of Denmark), Fereshteh Abedini (Linkoping University)
12. Compounding for Material Extrusion Additive Manufacturing
    Frederik Grønborg, Jon Spangenberg, David B. Pedersen (Technical University of Denmark)
13. Extrusion Head Geometry Influence on Strand Wall Uniformity in Additive Manufacturing
    Marco Brander, Mathias M. Christensen, Jonathan T. Pedersen-Bjergaard, Berin Seta, David B. Pedersen, and Jon Spangenberg (Technical University of Denmark)
    

Session 4
Design for Manufacturing and Topology Optimization – II
Tuesday, July 12, 2022
1:30 PM – 2:30 PM
Session Chairs: Bradley Jared (University of Tennessee, Knoxville) and Fred van Keulen (Delft University of Technology)

1. Increased Damping for Shape Memory Alloy Powder Bed Fusion Structures
   Gregory M. Corson, Matthew Robert Patterson, Tony L. Schmitz (University of Tennessee, Knoxville); Patxi Fernandez-Zelaia, Christopher Ledford (Oak Ridge National Laboratory)
2. A Physics-based Topology Optimization Method for Enhancing Precision in Metal Parts
   Rajit Ranjan, Can Ayas, Matthijs Langelaar, Fred van Keulen (Delft University of Technology); Zhuoer Chen (Chalmers University of Technology)
3. Field Driven Design and Additive Manufacturing of Optomechanical Components
   Nicholas Horvath, Prabhjot Singh, Ivan Lucatero, Isaac Weingrod (Lockheed Martin Space, USA)

Session 5
Additive Manufacturing Process Physics
Tuesday, July 12, 2022
2:45 PM – 3:45 PM
Session Chairs: Paul Hooper (Imperial College) and Jason Fox (National Institute of Standards & Technology)

1. Influence of Critical Process Parameters on Surface Roughness and Statistical Optimization of LPBF 316L Stainless Steel
   S. R. Narasimharaju, W. Liu, W. Zeng, Paul J. Scott, X. Jiang, S. Lou (University of Huddersfield, Queensgate)
2. Modelling of Additive Manufacturing — Compression Molding Process using Computational Fluid Dynamics
   Berin Šeta, Marco Brander, Md. Tusher Mollah, Jon Spangenberg (Technical University of Denmark); Vipin Kumar, Deepak Kumar Pokkalla, Seokpum Kim (Oak Ridge National Laboratory)
3. Layer-to-layer Dynamics in DED and their Relation to Stability and Geometric Accuracy in 5-axis Parts
   Douglas A. Bristow, Michelle Gegel (Missouri University of Science and Technology)

Session 6
Poster Session
Tuesday, July 12, 2022
3:45 PM – 4:30 PM

For a listing of the posters, see Session 3.

Session 7
Additive Manufacturing Process Optimization
Tuesday, July 12, 2022
4:30 PM – 5:30 PM
Session Chairs: David Bue Pedersen (Technical University of Denmark) and Michael Cullinan (The University of Texas at Austin)

Session 8
Machine Learning & Data Fusion
Wednesday, July 13, 2022
8:30 AM – 10:20 AM
Session Chairs: Ron Aman (EWI) and Seno Rekawa (Lawrence Berkeley National Laboratory)

1. Invited – Multi-sensor Measurement for In-situ Defect Identification in Metal Laser Powder Bed Fusion
   Afaf Remani, Adam Thompson, Nicola Senin, Richard Leach (University of Nottingham); Richard Williams, Paul Hooper (Imperial College London); Arianna Rossi (University of Perugia); Fernando Peña (University of Oviedo); John Dardis, Nick Jones (Renishaw Plc)
2. Machine Learning Based Melt Pool Spattering Registration and Defect-correlation for LPBF Additive Manufacturing
   Haolin Zhang, Chaitanya Krishna Prasad Vallabh, Xiayun Zhao (University of Pittsburgh Pittsburgh)
3. Improving Camera Calibration with Machine Learning for the Measurement of Additively Manufactured Parts
   Joe Eastwood, George Gayton, Richard Leach, Samanta Piano (University of Nottingham)
4. Classification of PBF-LB Surfaces using Light Scattering and Machine Learning: Influence of Scattering Image Resolution on Classification Accuracy and Speed
   Mingyu Liu, Adam Thompson, Nicola Senin, Richard Leach (University of Nottingham)
5. High Throughput Deep Learning-based X-ray CT Characterization for Process Optimization in Metal Additive Manufacturing
   Amirkoushyar Ziabari, Singanallur Venkatakrishnan, Ryan Dehoff, Alex Plotkowski, Vincent Paquit (Oak Ridge National Lab) Alex Lisovich, Paul Brackman, Pradeep Bhattad (Carl Zeiss Industrial Metrology, LLC)

Session 9
Micro-Nano & Lattice Structures
Wednesday, July 13, 2022
1:30 PM – 2:30 PM
Session Chairs: Dirk Oberschmidt (Technische Universität Berlin) and John S. Taylor (University of North Carolina – Charlotte)

1. Investigation of the Contrast Limits of Hybrid Polymers in Two-photon Lithography
   Eugenia Bosler, Stefan Kühne, Marco Jagodzinski, Dirk Oberschmidt (Technische Universität Berlin)
2. Assessment of the Fatigue Performance of Titanium Lattice Structure Components Made by SLM AM Technology
   Ahmed Tawfik, Paul Bills, Janine Downs, Liam Blunt (University of Huddersfield); Philip Sperling, Gerd Schwaderer, Philipp Sugg (Volume Graphics); S Tammas-Williams (University of Edinburgh)
3. Part Scale Simulation of Heat Affected Zones for Parameter Optimization in a Microscale Selective Laser Sintering System
   Joshua Grose, Obehi G. Dibua, Aaron Liao, Francis Caruso, Michael A. Cullinan (The University of Texas at Austin); Chee S. Foong (NXP Semiconductors)

Session 10
Characterizing the Performance of AM Machines
Thursday, July 14, 2022
8:30 AM – 9:50 AM
Session Chairs: David Bue Pedersen (Technical University of Denmark) and Bradley Jared (University of Tennessee, Knoxville)

1. Measurement of Laser Focal Plane Error in Laser Powder Bed Fusion Systems
   Jaime Berez, Elliott Jost, Enea Dushaj, Chris Saldaña (Georgia Institute of Technology)
2. Chamber Heat Calibration by Emissivity Measurements in an Open Source SLS System
   Christian L. Budden, Kenneth Æ. Meinert, Aakil R. Lalwani, David B. Pedersen (Technical University of Denmark)
3. Novel Pin-hold Analyzer for Characterizing Laser Beam Quality Across the Build Environment in L-PBF
   Ronald Aman, Ajay Krishnan, Arushi Dhakad, Jake Hay (EWI)

Session 11
In-Process Metrology
Thursday, July 14, 2022
10:20 AM – 12:20 PM
Session Chairs: Paul Hooper (Imperial College) and Michael Kirka (Oak Ridge National Laboratory)

1. A Data-driven Dynamics Model for Defect Detection in Laser Powder Bed Fusion
   Sebastian Larsen, Paul A. Hooper (Imperial College London)
2. In-situ Monitoring of Laser-powder-bed-fusion using IR and NIR Emissions to Detect Thermal Anomalies
   Matthew A. Roach, Bennett Fowler, Bradley H. Jared (University of Tennessee, Knoxville); Darshan Thakkar, Charles Babbitt, Shuchi Khurana (Addiguru USA)
3. Use of Electron Imaging for In-situ Process Monitoring of Electron Beam Powder Bed Fusion
   Christopher Ledford, Michael Sprayberry, Michael Kirka (Oak Ridge National Laboratory); Timothy Horn (North Carolina State University)
4. In-Situ Monitoring of Laser Powder Bed Fusion Using Optical Camera for Detection of Process Anomalies
   Charles Babbitt, Darshan Thakkar, Shuchi Khurana (Addiguru); Bradley H. Jared, Devon Goodspeed, Matthew A. Roach (University of Tennessee, Knoxville)
5. Detection Theory and the Comparison and Evaluation of In-situ Monitoring Systems in Laser Powder Bed Fusion
   Henry C. de Winton, Richard J. Williams Paul A. Hooper (Imperial College London)
6. Radiometric Sensing for Digital Glass Forming
   Nicholas E Capps, Robert G. Landers, Edward C. Kinzel (University of Notre Dame); Douglas Meredith, Alexander Rose, Andre Bos, John D. Bernardin (Los Alamos National Laboratory); Douglas A. Bristow (Missouri University of Science and Technology)

Session 12
Topography Characterization & Metrology
Thursday, July 14, 2022
1:30 PM – 2:30 PM
Session Chairs: John S. Taylor (University of North Carolina – Charlotte) and Xiayun Zhao (University of Pittsburgh)

1. Invited – Segmentation and Characterization of Surface Features to Aid Computational Modelling of Nickel Superalloy 625 As-built Laser Powder Bed Fusion Parts
   Jason C. Fox (National Institute of Standards and Technology); Christopher J. Evans (University of North Carolina at Charlotte)
2. 3D Surface Texture Characterisation Techniques for Additive Manufacturing Components
   Shan Lou, Wenhan Zeng, Paul J. Scott, Xiangqian Jane Jiang (University of Huddersfield)
3. Weld Track Distortion in Laser Powder Bed Fusion of Nickel Superalloy 625
   Jason C. Fox (National Institute of Standards and Technology); Christopher J. Evans, Aarush Sood, Brigid Mullany, Angela Allen, Edward P. Morse (University of North Carolina at Charlotte); Romaine Isaacs (Carl Zeiss Industrial Metrology LLC)

Session 13
CT to Characterize Inner and Outer Features
Thursday, July 14, 2022
2:45 PM – 3:45 PM
Session Chairs: Shan Lou (University of Huddersfield) and Adam Thompson (University of Nottingham)

1. Investigate Geometry and Surface Texture of Selective Laser Melting Built Internal Channels with Varying Inclination Angles Using XCT
   Weidong Liu, Shubhavardhan R. Narasimharaju, Huodao Huang, Wenhan Zeng, Paul J. Scott, Xiangqian Jiang, Shan Lou (University of Huddersfield)
2. Image Quality Metrics for Similarity Assessment in the XCT Measurement of Lattice Structures
   Maxwell R. Praniewicz, Jason C. Fox (National Institute of Standards and Technology)
3. Characterization of Laser Powder Bed and Laser Wire Directed Energy Deposited AM Samples with X-ray CT
   Paul Brackman, Curtis Frederick, Pradeep Bhattad (Carl Zeiss Industrial Metrology LLC), Joshua Penney, Bradley H. Jared (University of Tennessee, Knoxville)

Session 14
Integration of AM into a Holistic Manufacturing Process
Thursday, July 14, 2022
4:15 PM – 5:35 PM
Session Chairs: Doug Bristow (Missouri University of Science & Technology) and Bradley Jared (University of Tennessee, Knoxville)

1. Tiffany Quigley, Joshua Penney, Devon Goodspeed, Aaron Cornelius, William Hamel, Tony Schmitz, Bradley Jared (University of Tennessee, Knoxville)
2. Additive Manufacturing of Strain Wave Gears in 17-4 PH Stainless Steel
   Satyanarayana Konala, Ian Crawford, Ola Harrysson (North Carolina State University); Moritz Stolpe, Peter Czer (Amorphology, Inc.)
3. Invar Mold Manufacturing by Additive + Metrology + Machining
   Aaron W. Cornelius, Jake F. Dvorak, William R. Hamel, Bradley H. Jared, Tony L. Schmitz (University of Tennessee, Knoxville)