Hugo Ricardo Zschommler Sandim

sandim@usp.br
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

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

2019

1. Junior, D.R.A., Zilnyk, K.D., Raabe, D., & Sandim, H.R.Z. (2019) Reconstructing the austenite parent microstructure of martensitic steels: A case study for reduced-activation Eurofer steels. Journal of Nuclear Materials, 516, 185–193.

   DOI: 10.1016/j.jnucmat.2019.01.022

2. Filho, I.R.S., da Silva, A.K., Sandim, M.J.R., Ponge, D., Gault, B., Sandim, H.R.Z., & Raabe, D. (2019) Martensite to austenite reversion in a high-Mn steel: Partitioning-dependent two-stage kinetics revealed by atom probe tomography, in-situ magnetic measurements and simulation. Acta Materialia, 166, 178–191.

   DOI: 10.1016/j.actamat.2018.12.046

3. Filho, I.R.S., Sandim, M.J.R., Ponge, D., Sandim, H.R.Z., & Raabe, D. (2019) Strain hardening mechanisms during cold rolling of a high-Mn steel: Interplay between submicron defects and microtexture. Materials Science and Engineering: A, 754, 636–649.

   DOI: 10.1016/j.msea.2019.03.116

4. Filho, I.R.S., Sandim, M.J.R., Cohen, R., Nagamine, L.C.C.M., Sandim, H.R.Z., & Raabe, D. (2019) Magnetic properties of a 17.6 Mn-TRIP steel: Study of strain-induced martensite formation, austenite reversion, and athermal \upalpha\prime-formation. Journal of Magnetism and Magnetic Materials, 473, 109–118.

   DOI: 10.1016/j.jmmm.2018.10.034

5. Filho, I.R.S., Junior, D.R.A., Gauss, C., Sandim, M.J.R., Suzuki, P.A., & Sandim, H.R.Z. (2019) Austenite reversion in AISI 201 austenitic stainless steel evaluated via in situ synchrotron X-ray diffraction during slow continuous annealing. Materials Science and Engineering: A, 755, 267–277.

   DOI: 10.1016/j.msea.2019.04.014

6. Brekailo, T., Almeida, D.R., Avalos, M., Bolmaro, R.E., & Sandim, H.R.Z. (2019) Protrusions formed during primary recrystallization of cross-rolled coarse-grained niobium. International Journal of Refractory Metals and Hard Materials, 85, 105080.

   DOI: 10.1016/j.ijrmhm.2019.105080