Rottmann Research Group

Publications

2023

T. Connor Varney, T. Oldham, Md. Imran Noor, Paul F. Rottmann, Quantifying the Microstructure and Mechanical Property Differences between Bulk and Thin-wall Additively Manufactured Inconel 718. Materialia, 2023. 31: p. 101867.

T. C. Varney, M. I. Noor, P. F. Rottmann, "Effects of Scan Strategy Induced Microstructural Differences on Thin-Wall SLM IN718 Fatigue Performance" Proceedings of the 10th International Symposium on Superalloy 718 and Derivatives, E. A. Ott et al., Eds. (Springer Nature Switzerland, Cham, 2023), pp. 537-552.

Robert N. Quammen and Paul F. Rottmann. "Quantification of Directionally Dependent Mechanical Properties and Damage Tolerance of FiberForm," AIAA 2023-2597. AIAA SCITECH 2023 Forum. January 2023.

2022

Leu, B., Kumar, M.A., Rottmann, P.F. et al. Micromechanical Fields Associated with Irregular Deformation Twins in Magnesium. J. of Materi Eng and Perform 32, 2688–2699 (2023).

Witzen, W.A., Polonsky, A.T., Rottmann, P.F. et al. Boundary characterization using 3D mapping of geometrically necessary dislocations in AM Ta microstructure. J Mater Sci 57, 9885–9902 (2022).

R.N. Quammen, P.F. Rottmann, Investigation of Low Temperature Oxidation Behavior of MoNbTaW Thin Films. Journal of Alloys and Compounds 900 (2022) 163373.

2021

P.F. Rottmann, A.T. Polonsky, T. Francis, M.G. Emigh, M. Krispin, G. Rieger, M.P. Echlin, C.G. Levi, T.M. Pollock, TriBeam tomography and microstructure evolution in additively manufactured Alnico magnets, Materials Today  (2021).

T. Francis, P.F. Rottmann, A.T. Polonsky, M.-A. Charpagne, M.P. Echlin, V. Livescu, D. Jones, G. Gray, M. De Graef, T.M. Pollock, Multimodal 3D Characterization of Voids in Shock-Loaded Tantalum: Implications for Ductile Spallation Mechanisms, Acta Materialia  (2021) 117057.

T.C. Varney, R.N. Quammen, N. Telesz, T.J. Balk, A. Wessman, P.F. Rottmann, Effects of Pore Geometry on the Fatigue Properties of Electron Beam Melted Titanium-6Al-4V, Metallurgical and Materials Transactions A 52(5) (2021) 1836-1849.

2020

F. Wang, G.H. Balbus, S. Xu, Y. Su, J. Shin, P.F. Rottmann, K.E. Knipling, J.-C. Stinville, L.H. Mills, O.N. Senkov, I.J. Beyerlein, T.M. Pollock, D.S. Gianola, Multiplicity of dislocation pathways in a refractory multiprincipal element alloy, Science 370(6512) (2020) 95.

2019

M. Arul Kumar, B. Leu, P. Rottmann, I.J. Beyerlein, Characterization of Staggered Twin Formation in HCP Magnesium, in: V.V. Joshi, J.B. Jordon, D. Orlov, N.R. Neelameggham (Eds.) Magnesium Technology 2019, Springer International Publishing, Cham, 2019, pp. 207-213.

2018

L. Ma, P.F. Rottmann, K. Xie, K.J. Hemker, Nano-scale Elastic Strain Maps of Twins in Magnesium Alloys, Microscopy and Microanalysis 24(S1) (2018) 970-971.

P.F. Rottmann, K.J. Hemker, Nanoscale elastic strain mapping of polycrystalline materials, Materials Research Letters 6(4) (2018) 249-254.

2017

P.F. Rottmann, K.J. Hemker, Experimental observations of twin formation during thermal annealing of nanocrystalline copper films using orientation mapping, Scripta Materialia 141 (2017) 76-79.

L. Cao, D. Raciti, C. Li, K.J.T. Livi, P.F. Rottmann, K.J. Hemker, T. Mueller, C. Wang, Mechanistic Insights for Low-Overpotential Electroreduction of CO2 to CO on Copper Nanowires, ACS Catalysis 7(12) (2017) 8578-8587.

P.F. Rottmann, K.J. Hemker, Experimental quantification of mechanically induced boundary migration in nanocrystalline copper films, Acta Materialia 140 (2017) 46-55.

D. Raciti, L. Cao, K.J.T. Livi, P.F. Rottmann, X. Tang, C. Li, Z. Hicks, K.H. Bowen, K.J. Hemker, T. Mueller, C. Wang, Low-Overpotential Electroreduction of Carbon Monoxide Using Copper Nanowires, ACS Catalysis 7(7) (2017) 4467-4472.

2015

P. Rottmann, K. Hemker, In Situ Analysis of the Fracture Behavior of Nanocrystalline Copper Using Precession-Assisted Crystal Orientation Mapping, Microscopy and Microanalysis 21 (2015) 273-274.

2014

P.W. Trimby, Y. Cao, Z. Chen, S. Han, K.J. Hemker, J. Lian, X. Liao, P. Rottmann, S. Samudrala, J. Sun, J.T. Wang, J. Wheeler, J.M. Cairney, Characterizing deformed ultrafine-grained and nanocrystalline materials using transmission Kikuchi diffraction in a scanning electron microscope, Acta Materialia 62 (2014) 69-80.