Research

Research Interests

My work spans applied materials research and the federal research strategy that supports it, with a current focus on the technology areas Integer Technologies works across:

Publications

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Refereed Journal Articles

• Hangarter, C., Geltmacher, A., Tailleart, N., Callahan, P., Watring, D., Olig, S., & Kinee, W. (2025). X-ray Computed Microtomography Evaluation of Electrochemically Accelerated Stainless Steel Crevice Corrosion.
  ECS Advances 4(1), 011501
• Hangarter, C., Geltmacher, A., Tailleart, N., Callahan, P., Watring, D., Olig, S., & Kinee, W. (2024). Multimodal Characterization of AM316 Crevice Corrosion.
  Electrochemical Society Meeting 245
• Callahan, P., Watring, D., & Rowenhorst, D. (2023). Non-Local Means Denoising of EDS Spectra for Rapid Composition Mapping in a Nickel Aluminum Bronze.
  Microscopy and Microanalysis 29
• Dubon, J., Seisdedos, G., Watring, D., Pajon, M., Khizroev, S., McDaniel, D., & Boesl, B. (2022). Multifunctional MEN-doped adhesives: strengthening, bond quality evaluation, and variations in magnetic signal with environmental exposure.
  Applied Sciences 12(16), 8238
• Detwiler, S., Watring, D., Spear, A., & Raeymaekers, B. (2022). Relating the surface topography of as-built Inconel 718 surfaces to laser powder bed fusion process parameters using multivariate regression analysis.
  Precision Engineering 74, 303–315
• Watring, D., Benzing, J., Kafka, O., Liew, L.A., Moser, N., Erickson, J., Hrabe, N., & Spear, A. (2022). Evaluation of a modified void descriptor function to uniquely characterize pore networks and predict fracture-related properties in additively manufactured metals.
  Acta Materialia 223, 117464
• Watring, D. (2021). Multiscale Characterization of Process-Structure-Property Relationships in Additively Manufactured IN718.
  The University of Utah, ProQuest Dissertations & Theses, 28652283
• Watring, D., Benzing, J., Hrabe, N., & Spear, A. (2020). Effects of laser-energy density and build orientation on the structure–property relationships in as-built Inconel 718 manufactured by laser powder bed fusion.
  Additive Manufacturing 36, 101425
• Kouraytem, N., Chanut, R., Watring, D., Loveless, T., Varga, J., Spear, A., & Kingstedt, O. (2020). Dynamic-loading behavior and anisotropic deformation of pre- and post-heat-treated IN718 fabricated by laser powder bed fusion.
  Additive Manufacturing 33, 101083
• Watring, D., Carter, K., Crouse, D., Raeymaekers, B., & Spear, A. (2019). Mechanisms driving high-cycle fatigue life of as-built Inconel 718 processed by laser powder bed fusion.
  Materials Science and Engineering: A 761, 137993
• Watring, D. (2017). Development of Novel, Microscale Fracture Toughness Testing for Adhesives.
  Florida International University, FIU Electronic Theses and Dissertations
• Watring, D. (2016). Development of a Novel Health Monitoring System for Adhesively Bonded Composite Joints Using Magneto-Electric Nanoparticles.
  Proceedings of the American Society for Composites: Thirty-First Technical Conference 2016

Conference Presentations

* denotes presenting author

• D. Watring*, P. Callahan, & D. Rowenhorst (2024). Hardness Predictions of Additively Manufactured Components Using Convolutional Neural Networks on Backscattered Electron Images.
  TMS 2024 Annual Meeting & Exhibition · Orlando, FL
• C. Hangarter*, A. Geltmacher, N. Tailleart, P. Callahan, D. Watring, & S. Olig (2024). Multimodal Characterization of AM316 Crevice Corrosion.
  245th ECS Meeting · San Francisco, CA
• P. Callahan*, D. Watring, & D. Rowenhorst (2023). Non-local Means Denoising of EDS Spectra for Rapid Mapping of Composition in Nickel Aluminum Bronze.
  TMS 2023 Annual Meeting & Exhibition · San Diego, CA
• D. Watring*, C. Stewart, R. Fonda, & D. Rowenhorst (2023). Effect of Cooling Rates on the α-Lathe, κ Precipitates, and Reconstructed Prior-β Grains in Nickel Aluminum Bronze.
  TMS 2023 Annual Meeting & Exhibition · San Diego, CA
• E. Marsden*, D. Watring, J. Erickson, L. Ziegler, A. Chuang, & A. Spear (2023). Parameterizing Surface Defects and Internal Porosity to Predict Fracture Location in As-built AM Tensile Specimens Using a Modified Void Descriptor Function.
  TMS 2023 Annual Meeting & Exhibition · San Diego, CA
• P. Callahan*, D. Watring, & D. Rowenhorst (2023). Non-local Means Denoising of EDS Spectra for Rapid Mapping of Composition in Nickel Aluminum Bronze.
  M&M 2023 · Minneapolis, MN
• D. Watring*, D. Rowenhorst, & R. Fonda (2023). Evolution of the Texture and Variant Selection during Beta to Alpha Transformation in Wire Arc Additive Manufactured Nickel Aluminum Bronze.
  MS&T (Materials Science & Technology) 2023 · Columbus, OH
• D. Watring*, C. Stewart, R. Fonda, & D. Rowenhorst (2022). Crystallographic Relationships between the Prior-beta Structure and Precipitate Phases in Additively Manufactured Nickel Aluminum Bronze.
  MS&T (Materials Science & Technology) 2022 · Pittsburgh, PA
• D. Watring*, et al. (2022). Evaluation of an Improved Void Descriptor Function to Uniquely Characterize Three-dimensional Pore Networks and to Predict Failure Location in Additively Manufactured Metals.
  3DMS (3D Materials Science) 2022 · Washington, D.C.
• D. Watring*, et al. (2021). Predicting Failure Location in Additively Manufactured Metals Using an Improved Void Descriptor Function.
  MS&T (Materials Science & Technology) 2023 · Columbus, OH
• D. Watring*, J.T. Benzing, N. Hrabe, & A.D. Spear (2020). Processing-structure-property relationships in as-built laser powder bed fused Inconel 718.
  ASTM International Conference on Additive Manufacturing (virtual conference)
• D. Watring*, D. Crouse, K. Carter, B. Raeymaekers, J. Benzing, N. Hrabe, & A.D. Spear (2020). Effects of laser processing parameters on high-cycle fatigue life of L-PBF IN718 and investigation into 3D pore structure and microstructure.
  TMS 2020 Annual Meeting & Exhibition
• D. Watring*, K. Carter, D. Crouse, B. Raeymaekers, & A.D. Spear (2019). Effects of processing parameters and surface roughness on the high-cycle fatigue life of Inconel 718 manufactured by laser powder bed fusion.
  International Mechanical Engineering Congress & Exposition (IMECE)
• D. Watring*, J.T. Benzing, N. Hrabe, & A.D. Spear (2019). Effects of laser-energy density and build orientation on defect structure, microstructure, and tensile properties of laser powder bed fused Inconel 718.
  Fourth ASTM Symposium on Structural Integrity of Additive Manufactured Materials and Parts
• T. Loveless*, N. Kouraytem, R.A. Chanut, D. Watring, O.T. Kingstedt, & A.D. Spear (2019). Effect of intra-build location, loading direction, and direct age hardening heat-treatment on quasi-static and dynamic response of additively manufactured Inconel 718.
  Fourth ASTM Symposium on Structural Integrity of Additive Manufactured Materials and Parts
• D. Watring*, K. Carter, D. Crouse, & A.D. Spear (2019). Effects of laser processing parameters and build orientation on the surface roughness and high-cycle fatigue life of Inconel 718 manufactured using laser powder bed fusion.
  Materials Science and Technology (MS&T) 2019
• N. Kouraytem*, R.A. Chanut, D. Watring, O.T. Kingstedt, & A.D. Spear (2019). Effect of intra-build location and loading direction on quasi-static and dynamic response of additively manufactured Inconel 718.
  Materials Science and Technology (MS&T) 2019
• A.D. Spear*, D. Watring, & N. Kouraytem (2019). A Data-driven Approach to Investigate the Influence of Process Parameters on Fatigue Life of Additively Manufactured Metals.
  TMS 2019 Annual Meeting & Exhibition
• Loganathan*, P. Nautiyal, D. Watring, L. Embrey, B. Boesl, & A. Agarwal (2017). Nanomechanical and Nanotribological Studies of BNNP Reinforced UHMWPE Coating for Biomedical Applications.
  Materials Science and Technology (MS&T) 2017
• D. Watring*, S. Tashakori, B. Boesl, & D. McDaniel (2017). Effect of Surface Contamination on Composite Bond Integrity and Durability.
  FAA JAMS 2017 Technical Review Meeting
• D. Watring, K. Yang, J. Coria*, B. Boesl, D. McDaniel, & S. Khizroev (2016). Development of a Novel Health Monitoring System for Adhesively Bonded Composite Joints Using Magneto-Electric Nanoparticles.
  31st ASC Technical Conference
• D. Watring*, K. Yang, J. Coria, P. Wang, B. Boesl, S. Khizroev, & D. McDaniel (2016). Development of a Novel Health Monitoring System for Adhesively Bonded Composite Joints Using Magneto-Electric Nanoparticles.
  12th International Conference on Durability of Composite Systems (DURACOSYS)
• K. Yang, D. Watring, J. Coria, P. Wang, B. Boesl, S. Khizroev, & D. McDaniel* (2016). Assessment of Fracture Properties of MENs Doped Multifunctional Adhesives.
  Society for the Advancement of Material and Process Engineering (SAMPE) Conference
• Invited seminar, Oak Ridge National Lab MDF · Knoxville, TN. Presented concepts of using machine learning to drive designs of experiments in additive manufacturing processes, and how machine learning and data-driven techniques can be leveraged for characterization.
• Invited seminar, Institut für Materialforschung (IMFAA), Hochschule Aalen · Aalen, Germany. Presented concepts and applications of machine learning in microscopy and X-ray computed tomography.