Prof. Dr.-Ing. Ulrich Tetzlaff

Programme director and Academic advisor Material Science in Engineering (Master)

+49 841 9348-3520

Ulrich.Tetzlaff@thi.de

Room: A232

Subject Area: Materials Science, Chipless Manufacturing Technology and Advanced Composites

Research

Creep and fatigue behaviour of metallic composites
Tribology of metallic composites
High-temperature behaviour of lead-free solder materials

Vita

Since 2009: Professor at THI, Laboratory Officer of the Faculty of Mechanical Engineering, Head of the Materials Analysis Laboratory
2001-2008: AUDI AG: Metallurgy of Aggregates
1990-2000: Studies in Materials Science, Research Assistant at the Institute for General Material Properties, PhD

Publications

2025

GÜLDALI, Derya, Angela DE ROSE, Max MITTAG, Benjamin GRÜBEL, Holger NEUHAUS und Ulrich TETZLAFF, 2025. Interconnection of low-temperature metallization on silicon solar cells - The role of silver in tin-bismuth-based solder alloys. Solar Energy Materials and Solar Cells, 2025(285), 113488. ISSN 1879-3398. Available at: https://doi.org/10.1016/j.solmat.2025.113488

2024

ERNST, Benedikt, Paul KUBASCHINSKI, Andreas SCHIESSL, Manuela WALTZ, Heinz Werner HÖPPEL und Ulrich TETZLAFF, 2024. Comparison of the Young’s modulus of the lead free solder alloy Sn-Ag3.8-Cu0.7 determined by hot tensile tests, ultrasonic measurements and ????-Sn single crystal calculations. Materials Science and Engineering: A, 2024(916), 147354. ISSN 1873-4936. Available at: https://doi.org/10.1016/j.msea.2024.147354

ERNST, Benedikt, Paul KUBASCHINSKI, Andreas SCHIESSL, Manuela WALTZ, Heinz Werner HÖPPEL und Ulrich TETZLAFF, 2024. Comparison of the Young’s modulus of the lead free solder alloy Sn-Ag3.8-Cu0.7 determined by hot tensile tests, ultrasonic measurements and ????-Sn single crystal calculations. Materials Science and Engineering: A, 2024, 147354. ISSN 1873-4936. Available at: https://doi.org/10.1016/j.msea.2024.147354

MOHD, Zubair Akhtar, Christian KREINER, Maximilian SCHMID, Andreas ZIPPELIUS, Ulrich TETZLAFF und Gordon ELGER, 2024. Fully Connected Neural Network (FCNN) Based Validation Framework for FEA Post Processing to Improve SAC Solder Reliability Analysis. 2024 IEEE 10th Electronics System-Integration Technology Conference (ESTC), Proceedings. Piscataway: IEEE. ISBN 979-8-3503-9036-0. Available at: https://doi.org/10.1109/ESTC60143.2024.10712023

GOTTWALT, Albin, Paul KUBASCHINSKI, Manuela WALTZ und Ulrich TETZLAFF, 2024. Influence of Subsequent Heat Treatment on Fatigue Behavior of Shear-Cut Electrical Steel Sheets. Alloys, 3(4), 281-294. ISSN 2674-063X. Available at: https://doi.org/10.3390/alloys3040017

VIEWEGER, Daniel, Sergej DIEL, Hans-Georg SCHWEIGER und Ulrich TETZLAFF, 2024. Mechanical Properties of Raw Filaments and Printed Specimens: Effects of Fiber Reinforcements and Process Parameters. Polymers, 16(11), 1576. ISSN 2073-4360. Available at: https://doi.org/10.3390/polym16111576

VOLPATO, Guilherme, A. S. P. PEREIRA, Márcio Celso FREDEL und Ulrich TETZLAFF, 2024. On the Development of a Heat Treatment for Inconel Alloy X-750 Produced Using Laser Powder Bed Fusion. Metallurgical and Materials Transactions A: Physical metallurgy and materials science, 55(11), 4585-4599. ISSN 1073-5623. Available at: https://doi.org/10.1007/s11661-024-07589-0

2023

KIEHL, Maximilian, Adriano SCHEID, Karin GRAF, Benedikt ERNST und Ulrich TETZLAFF, 2023. Coaxial laser cladding of cobalt-base alloy Stellite™ 6 on gray cast iron/investigations on friction, wear versus commercial brake pad, and corrosion characteristics. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 237(14), 3285-3303. ISSN 2041-2991. Available at: https://doi.org/10.1177/09544070221145512

GOTTWALT, Albin, Paul KUBASCHINSKI, Manuela WALTZ, Rainer VÖLKL, Uwe GLATZEL und Ulrich TETZLAFF, 2023. Cyclic deformation behavior of non-oriented electrical steel sheets. Materials Science and Engineering: A, 2023(886), 145684. ISSN 0921-5093. Available at: https://doi.org/10.1016/j.msea.2023.145684

GOTTWALT, Albin, Paul KUBASCHINSKI, Manuela WALTZ und Ulrich TETZLAFF, 2023. Influence of the cutting method on the fatigue life and crack initiation of non-oriented electrical steel sheets. International Journal of Fatigue, 2024(180), 108073. ISSN 1879-3452. Available at: https://doi.org/10.1016/j.ijfatigue.2023.108073

KUBASCHINSKI, Paul, Albin GOTTWALT, Ulrich TETZLAFF, Holm ALTENBACH und Manuela WALTZ, 2023. Modelling and simulation of the hardness profile and its effect on the stress‐strain behaviour of punched electrical steel sheets. Materials Science & Engineering Technology, 54(4), 512-526. ISSN 0933-5137. Available at: https://doi.org/10.1002/mawe.202200283

VOLPATO, Guilherme, A. S. P. PEREIRA, Georges LEMOS, Matthias SCHMITT, Uwe GLATZEL, Florian PYCZAK, Ulrich TETZLAFF und Márcio Celso FREDEL, 2023. Out-of-Equilibrium Formation of Ni3Ti η-Phase in Inconel X-750 Produced via Laser Powder Bed Fusion and Spark Plasma Sintering. Metallurgical and Materials Transactions A: Physical metallurgy and materials science, 54(5), 1924-1936. ISSN 1073-5623. Available at: https://doi.org/10.1007/s11661-022-06946-1

DE SOUZA PINTO PEREIRA, Adriano, Jhonattan GUTJAHR, Milton PEREIRA, Ulrich TETZLAFF und Márcio Celso FREDEL, 2023. Processability of thin-powdered Inconel X750 and TiC metal matrix composite by laser-directed energy deposition. Journal of Laser Applications, 35(4), 042040. ISSN 1042-346X. Available at: https://doi.org/10.2351/7.0001134

2022

VOLPATO, Guilherme, Ulrich TETZLAFF und Márcio Celso FREDEL, 2022. A comprehensive literature review on laser powder bed fusion of Inconel superalloys. Additive Manufacturing, 2022(55), 102871. ISSN 2214-7810. Available at: https://doi.org/10.1016/j.addma.2022.102871

GOTTWALT, Albin, Paul KUBASCHINSKI, Manuela WALTZ, Uwe GLATZEL und Ulrich TETZLAFF, 2022. An experimental setup for fatigue testing of thin electrical steel sheets. International Journal of Fatigue, 2022(162), 106987. ISSN 0142-1123. Available at: https://doi.org/10.1016/j.ijfatigue.2022.106987

KUBASCHINSKI, Paul, Albin GOTTWALT, Ulrich TETZLAFF, Holm ALTENBACH und Manuela WALTZ, 2022. Calibration of a combined isotropic-kinematic hardening material model for the simulation of thin electrical steel sheets subjected to cyclic loading. Materials Science & Engineering Technology, 53(4), 422-439. ISSN 1521-4052. Available at: https://doi.org/10.1002/mawe.202100341

KIEHL, Maximilian, Adriano SCHEID, Karin GRAF, Benedikt ERNST und Ulrich TETZLAFF, 2022. Coaxial Laser Cladding of Cobalt-Base Alloy Stellite™ 6 on Grey Cast Iron Analysis of the Microstructural and Mechanical Properties Depending on the Laser Power. Journal of Materials Engineering and Performance, 32(8), 3821-3838. ISSN 1544-1024. Available at: https://doi.org/10.1007/s11665-022-07358-3

LEMOS, Georges, Márcio Celso FREDEL, Florian PYCZAK und Ulrich TETZLAFF, 2022. Creep resistance improvement of a polycrystalline Ni-based superalloy via TiC particles reinforcement. Materials Science and Engineering: A, 2022(854), 143821. ISSN 1873-4936. Available at: https://doi.org/10.1016/j.msea.2022.143821

BENEDET DUTRA, Gabriel, Ulrich TETZLAFF, Tiago VIEIRA DA CUNHA, Carlos Eduardo DOS SANTOS und Georges LEMOS, 2022. Microstructural Characterization of an ERNiCrMo-3 and Grey Cast Iron Interface Obtained via TIG Welding. Metallurgical and Materials Transactions B, 53(4), 2534-2546. ISSN 1073-5615. Available at: https://doi.org/10.1007/s11663-022-02549-8

ERNST, Benedikt, Simon KEIM und Ulrich TETZLAFF, 2022. On the anisotropic indentation modulus and anisotropic creep behavior of β-Sn characterized by nanoindentation methods. Materials Science and Engineering: A, 2022(848), 143392. ISSN 1873-4936. Available at: https://doi.org/10.1016/j.msea.2022.143392

HANDWERKER, Michael, Jörg KESSLER, Hormoz MARZBANI und Ulrich TETZLAFF, 2022. Pressure and heat treatment of continuous fibre reinforced thermoplastics produced by fused filament fabrication. Progress in Additive Manufacturing, 8(2), 99-116. ISSN 2363-9520. Available at: https://doi.org/10.1007/s40964-022-00315-5

KUBASCHINSKI, Paul, Albin BARUTH, Ulrich TETZLAFF, Holm ALTENBACH und Manuela WALTZ, 2022. Untersuchungen zur Ermittlung der zyklischen Kennwerte von dünnem Elektroblech im Rahmen der rechnerischen Lebensdauerabschätzung. Betriebsfestigkeit - Wissensmanagement und Methodenentwicklung entlang der Wertschöpfungskette, Page 163-178. Available at: https://doi.org/10.48447/BF-2022-014

2021

HANDWERKER, Michael, Jörg KESSLER, Hormoz MARZBANI und Ulrich TETZLAFF, 2021. Annealing of chopped and continuous fibre reinforced polyamide 6 produced by fused filament fabrication. Composites Part B: Engineering, 2021(223), 109119. ISSN 1879-1069. Available at: https://doi.org/10.1016/j.compositesb.2021.109119

SCHMITT, Matthias, Albin GOTTWALT, Jakob WINKLER, Thomas TOBIE, Georg SCHLICK, Karsten STAHL, Ulrich TETZLAFF, Johannes SCHLIP und Gunther REINHART, 2021. Carbon Particle In-Situ Alloying of the Case-Hardening Steel 16MnCr5 in Laser Powder Bed Fusion. Metals, 11(6), 11060896. ISSN 2075-4701. Available at: https://doi.org/10.3390/met11060896

2020

THAMBI, Joel Luther, Ulrich TETZLAFF, Andreas SCHIESSL, Klaus-Dieter LANG und Manuela WALTZ, 2020. Evaluation of the relationship between stress and lifetime of Pb-free solder joints subjected to vibration load using a generalized local stress approach. Microelectronics Reliability, 2020(106), 113560. ISSN 0026-2714. Available at: https://doi.org/10.1016/j.microrel.2019.113560

BHOGARAJU, Sri Krishna, Fosca CONTI, Hiren R. KOTADIA, Simon KEIM, Ulrich TETZLAFF und Gordon ELGER, 2020. Novel approach to copper sintering using surface enhanced brass micro flakes for microelectronics packaging. Journal of Alloys and Compounds, 2020(844), 156043. ISSN 1873-4669. Available at: https://doi.org/10.1016/j.jallcom.2020.156043

KEIM, Simon, Ulrich TETZLAFF und Gordon ELGER, 2020. The influence of different-sized Ni micro- and nanopowders on the processing and microstructural properties of Sn-Ag-Cu-solder with low Ag content. Proceedings: IEEE 70th Electronic Components and Technology Conference, ECTC 2020. Piscataway: IEEE, Page 2005-2012. ISBN 978-1-7281-6180-8. Available at: https://doi.org/10.1109/ECTC32862.2020.00312

2019

MOKHTARI, Omid, Fosca CONTI, Sri Krishna BHOGARAJU, Markus MEIER, Helmut SCHWEIGART, Ulrich TETZLAFF und Gordon ELGER, 2019. Characterization of tin-oxides and tin-formate crystals obtained from SnAgCu solder alloy under formic acid vapor. New Journal of Chemistry, 43(26), 10227-10231. ISSN 1369-9261. Available at: https://doi.org/10.1039/C9NJ02135C

VOLPATO, Guilherme, Márcio Celso FREDEL und Ulrich TETZLAFF, 2019. Dry Sliding Wear and Fe Contamination of Investment-cast SiC Foam Reinforced Aluminum Matrix Composites. EuroBrake 2019 Conference Proceedings. Bishops Stortford: FISITA. ISBN 978-0-9572076-3-9.

LEMOS, Georges, Márcio Celso FREDEL, Florian PYCZAK und Ulrich TETZLAFF, 2019. Influence of distinct manufacturing processes on the microstructure of Ni-based metal matrix composites submitted to long thermal exposure. Key Engineering Materials, 2019(809), 79-86. ISSN 1662-9795. Available at: https://doi.org/10.4028/www.scientific.net/KEM.809.79

TETZLAFF, Ulrich, Alexander GERBER, Rudolf AMELANG und Georges LEMOS, 2019. Investigation of the Creep Resistance of a Spray-Compacted Si-Particle Reinforced Al-Based MMC (Dispal® S270). Key Engineering Materials, 2019(809), 87-93. ISSN 1662-9795. Available at: https://doi.org/10.4028/www.scientific.net/KEM.809.87

GULDEN, Florian, B. REINHOLD, Sebastian GRAMSTAT, Ulrich TETZLAFF und Heinz Werner HÖPPEL, 2019. Investigation of the run-in and corrosion behavior of a PEO-coated aluminum brake disc. In: PFEFFER, Peter E., Editors 10th International Munich Chassis Symposium 2019: chassis.tech plus. Wiesbaden: Springer Vieweg, Page 611-631. ISBN 978-3-658-26435-2. Available at: https://doi.org/10.1007/978-3-658-26435-2_43

CORRÊA DA SILVA, Cauê, Guilherme VOLPATO, Márcio Celso FREDEL und Ulrich TETZLAFF, 2019. Low-pressure processing and microstructural evaluation of unidirectional carbon fiber-reinforced aluminum-nickel matrix composites. Journal of Materials Processing Technology, 2019(269), 10-15. ISSN 0924-0136. Available at: https://doi.org/10.1016/j.jmatprotec.2019.01.032

2018

GRAF, Karin, Ulrich TETZLAFF, Gelson BISCAIA DE SOUZA und Adriano SCHEID, 2018. Effect of Dilution on the Microstructure and Properties of CoCrMoSi alloy Coatings Processed on High-Carbon Substrate. Materials Research: Revista Ibero-Americana de Materiais, 22(1), e20180502. ISSN 1980-5373. Available at: https://doi.org/10.1590/1980-5373-MR-2018-0502

GULDEN, Florian, Anton STICH, Sebastian GRAMSTAT, Heinz Werner HÖPPEL und Ulrich TETZLAFF, 2018. Investigations of the third body using pin-on-disc and brake dynamometer on all-MMC brake rotors. EuroBrake 2018 Conference Proceedings. Bishops Stortford: FISITA, Page 401-407. ISBN 978-1-5108-7963-8.

GULDEN, Florian, Sebastian GRAMSTAT, Anton STICH, Heinz Werner HÖPPEL und Ulrich TETZLAFF, 2018. Properties and Limitation of an Oxide Coated Aluminum Brake Rotor. SAE technical papers, 2018-01-1877. ISSN 0148-7191. Available at: https://doi.org/10.4271/2018-01-1877

2017

THAMBI, Joel Luther, Andreas SCHIESSL, Manuela WALTZ, Klaus-Dieter LANG und Ulrich TETZLAFF, 2017. Modified Constitutive Creep Laws With Micromechanical Modeling of Pb-Free Solder Alloys. Journal of Electronic Packaging, 139(3), 031002. ISSN 1528-9044. Available at: https://doi.org/10.1115/1.4035850

2016

THAMBI, Joel Luther, Ulrich TETZLAFF, Andreas SCHIESSL, Klaus-Dieter LANG und Manuela WALTZ, 2016. High cycle fatigue behaviour and generalized fatigue model development of lead-free solder alloy based on local stress approach. Microelectronics Reliability, 98-105. ISSN 0026-2714. Available at: https://doi.org/10.1016/j.microrel.2016.10.004