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Hugo Ricardo Zschommler Sandim

Hugo Ricardo Zschommler Sandim

:email: sandim@usp.br
:telephone_receiver: 55 12 3159 9916

Research interests: Physical Metallurgy, Plastic Deformation, Recrystallization, Grain Growth, EBSD, Crystallographic texture, Powder Metallurgy, Pyrometallurgy.

Info:

Bachelor in Chemical Engineering (1986), Master in Materials Engineering (1991) and PhD in Metallurgical Engineering from the Polytechnic School of the University of São Paulo (1996). Habilitation (tenure) in 2008 in the specialty “Metallic Materials” by the Polytechnic School of the University of São Paulo. Since 2017, he has been Full Professor of Materials Engineering at the Lorena School of Engineering (EEL-USP) and ad hoc advisor of FAPESP, CAPES, CNPq and FAPEMIG. He works in Materials Science and Engineering with emphasis in Physical Metallurgy and Processing in the following subjects: plastic deformation, recovery, recrystallization, grain growth, crystallographic texture, EBSD, primary processing of niobium and refractory metals, powder metallurgy and superconductivity in niobium and its compounds.

Recent Publications

2025

  1. Lyrio, M.S., Oliveira, H.R., Sandim, M.J.R., Devulapalli, V., & Sandim, H.R.Z. (2025) Effect of the scanning strategy on texture of grain-oriented electrical steel (Fe-4wt%Si) processed via laser powder-bed fusion and subsequent thermomechanical processing. Materials Characterization, 221, 114789.

    DOI: 10.1016/j.matchar.2025.114789

  2. Gauss, C., Sandim, M.J.R., & Sandim, H.R.Z. (2025) Microstructural Evolution of UNS S32205 Duplex Stainless Steel During Cold Rolling and Subsequent Annealing. Materials Research, 28.

    DOI: 10.1590/1980-5373-mr-2024-0276

2024

  1. Sandim, M.J.R., Nagamine, L.C.C.M., da Silva, A.K., Aota, L.S., Han, L., Cohen, R., Sandim, H.R.Z., Gault, B., & Filho, I.R.S. (2024) Anomalous magnetization induced by local chemistry fluctuations in Mn-containing α’-martensite. Acta Materialia, 272, 119956.

    DOI: 10.1016/j.actamat.2024.119956

  2. Lyrio, M.S., Aota, L.S., Sandim, M.J.R., & Sandim, H.R.Z. (2024) Additive manufacturing of Fe-3.5 wt.-%Si electrical steel via laser powder bed fusion and subsequent thermomechanical processing. Journal of Materials Science, 59, 4019–4038.

    DOI: 10.1007/s10853-024-09418-6

  3. Castanheira, B.C., Aota, L.S., Zilnyk, K.D., Sandim, M.J.R., & Sandim, H.R.Z. (2024) Strain-induced martensite formation in cryorolled AISI 317 L stainless steel. Materials Characterization, 211, 113857.

    DOI: 10.1016/j.matchar.2024.113857

2023

  1. Zilnyk, K.D., Suzuki, P.A., & Sandim, H.R.Z. (2023) Subtle microstructural changes during prolonged annealing of ODS-Eurofer steel. Nuclear Materials and Energy, 35, 101450.

    DOI: 10.1016/j.nme.2023.101450

  2. Pinto, F.C. & Sandim, H.R.Z. (2023) Electron Beam Welding of API 5L X65 Steel. Journal of Materials Engineering and Performance, 33, 2513–2522.

    DOI: 10.1007/s11665-023-08153-4

  3. Mota, C.F.G.S., Aota, L.S., Sandim, H.R.Z., Zilnyk, K.D., & Sandim, M.J.R. (2023) Austenite reversion in lean duplex steel: Microstructural, dilatometric and magnetic characterization. Materials Characterization, 195, 112509.

    DOI: 10.1016/j.matchar.2022.112509

  4. Filho, I.R.S., Knabl, W., Kestler, H., & Sandim, H.R.Z. (2023) Strain-rate effects on the recrystallization of molybdenum-based MZ17 alloy. International Journal of Refractory Metals and Hard Materials, 112, 106124.

    DOI: 10.1016/j.ijrmhm.2023.106124

2022

  1. Pinto, F.C., Aota, L.S., Souza Filho, I.R., Raabe, D., & Sandim, H.R.Z. (2022) Recrystallization in non-conventional microstructures of 316L stainless steel produced via laser powder-bed fusion: effect of particle coarsening kinetics. Journal of Materials Science, 57, 9576–9598.

    DOI: 10.1007/s10853-021-06859-1

  2. Aota, L.S., Souza Filho, I.R., Roscher, M., Ponge, D., & Zschommler Sandim, H.R. (2022) Strain hardening engineering via grain size control in laser powder-bed fusion. Materials Science and Engineering: A, 838, 142773.

    DOI: 10.1016/j.msea.2022.142773

2021

  1. Unti, L.F.K., Aota, L.S., Jardini, A.L., Tschiptschin, A.P., Sandim, H.R.Z., Jägle, E.A., & Zilnyk, K.D. (2021) Microstructural characterization of 15-5PH stainless steel processed by laser powder-bed fusion. Materials Characterization, 181, 111485.

    DOI: 10.1016/j.matchar.2021.111485

  2. Sandim, M.J.R., Mauro, V., Tavares, S.S.M., Zilnyk, K.D., & Sandim, H.R.Z. (2021) Magnetic properties and microstructural characterization of cold-rolled and annealed 317L austenitic stainless steel. Journal of Magnetism and Magnetic Materials, 539, 168336.

    DOI: 10.1016/j.jmmm.2021.168336

  3. Sandim, M.J.R., Filho, I.R.S., Mota, C.F.G.S., Zilnyk, K.D., & Sandim, H.R.Z. (2021) Microstructural and magnetic characterization of a lean duplex steel: Strain-induced martensite formation and austenite reversion. Journal of Magnetism and Magnetic Materials, 517, 167370.

    DOI: 10.1016/j.jmmm.2020.167370

  4. Fulop, G.O., Dias, M.B.S., Sandim, H.R.Z., & Bormio-Nunes, C. (2021) High saturation magnetic induction and low magnetostriction of a novel ferritic Fe-Ti alloy compared to a non-oriented silicon steel. Journal of Magnetism and Magnetic Materials, 527, 167702.

    DOI: 10.1016/j.jmmm.2020.167702

  5. Aota, L.S., Bajaj, P., Zilnyk, K.D., Ponge, D., & Sandim, H.R.Z. (2021) The origin of abnormal grain growth upon thermomechanical processing of laser powder-bed fusion alloys. Materialia, 20, 101243.

    DOI: 10.1016/j.mtla.2021.101243

  6. Aota, L.S., Bajaj, P., Zilnyk, K.D., Jägle, E.A., Ponge, D., Sandim, H.R.Z., & Raabe, D. (2021) Recrystallization kinetics, mechanisms, and topology in alloys processed by laser powder-bed fusion: AISI 316L stainless steel as example. Materialia, 20, 101236.

    DOI: 10.1016/j.mtla.2021.101236

2020

  1. Pinto, F.C., Filho, I.R.S., Sandim, M.J.R., & Sandim, H.R.Z. (2020) Defects in parts manufactured by selective laser melting caused by \updelta-ferrite in reused 316L steel powder feedstock. Additive Manufacturing, 31, 100979.

    DOI: 10.1016/j.addma.2019.100979

  2. Jr., D.R.A., Rios, P.R., Zöllner, D., & Sandim, H.R.Z. (2020) Abnormal grain growth in thin wires of commercially pure iron with anisotropic microstructure. Journal of Materials Research and Technology, 9, 11099–11110.

    DOI: 10.1016/j.jmrt.2020.07.065

  3. Filho, I.R.S., Dutta, A., Junior, D.R.A., Lu, W., Sandim, M.J.R., Ponge, D., Sandim, H.R.Z., & Raabe, D. (2020) The impact of grain-scale strain localization on strain hardening of a high-Mn steel: Real-time tracking of the transition from the \upgamma → \upepsilon → \upalpha.’ Acta Materialia, 197, 123–136.

    DOI: 10.1016/j.actamat.2020.07.038

  4. Aota, L.S., Bajaj, P., Sandim, H.R.Z., & Jägle, E.A. (2020) Laser Powder-Bed Fusion as an Alloy Development Tool: Parameter Selection for In-Situ Alloying Using Elemental Powders. Materials, 13, 3922.

    DOI: 10.3390/ma13183922

Faculty