Veröffentlichungen

  • Scharifi E, Yardley VA, Weidig U, Szegda D, Lin J, Steinhof K. Hot sheet metal forming strategies for high‐Strength aluminum alloys: a review—fundamentals and applications. In: Advanced Engineering Materials, 2300141, https://doi.org/10.1002/adem.202300141.

  • Sajadifar SV, Krooß P, Krochmal K, Wegener T, Heidarzadeh A, Fröck H, Zavašnik J, Kessler O, Niendorf T. On the low-cycle fatigue performance of stress-aged EN AW-7075 alloy. In: Advanced Engineering Materials, https://doi.org/10.1002/adem.202300090.

  • Suckow T, Öcal EB, Groche P. A Comparative Study on the Production of a Hat Profile by Roll Forming and Stamping. In: Advanced Engineering Materials, https://doi.org/10.1002/adem.202201877.

  • Jöckel A, Maciolek A, Baumgartner J, Möller B, Völkers S, Graß M, Böhm S. Fatigue Strength Assessment of Laser Beam Welded Joints Made of AA7075 and Magnetic Pulse Welded Joints Made of AA7075 and 3D-Printed AlSi10Mg.  In: Advanced Engineering Materials, https://doi.org/10.1002/adem.202300108

  • Schell L, Sellner E, Massold M, Groche P. Tribology in Warm and Hot Aluminum Sheet Forming: Transferability of Strip Drawing Tests to Forming Trials. In: Advanced Engineering Materials, https://doi.org/10.1002/adem.202201900.

  • Öcal EB, Sajadifar SV, Sellner E, Vollmer M, Heidarzadeh A, Zavašnik J, Niendorf T, Groche P. Functionally graded AA7075 components produced via hot stamping: A novel process design inspired from analysis of microstructure and mechanical properties. In: Advanced Engineering Materials,  https://doi.org/10.1002/adem.202201879

  • Sajadifar, S.V.; Suckow, T.; Chandra, C.K.; Heider, B.; Heidarzadeh, A.; Zavasnik, J.; Reitz, R.; Oechsner, M.; Groche, P.; Niendorf, T. (2023): Assessment of the impact of process parameters on the final material properties in forming of EN AW 7075 employing a simulated forming process. In: Journal of Manufacturing Processes 86, S. 336-353, https://doi.org/10.1016/j.jmapro.2022.12.056.
  • Yapici, G.G; Sajadifar, S.V.; Hosseinzadeh, A.; Wegener, T.; Sobrero, C.; Engelhardt, A.; Niendorf, T. (2023): Effect of Friction Stir Processing on the Fatigue Performance of AZ31 Magnesium Alloy. In: Advanced Engineering Materialshttps://doi.org/10.1002/adem.202201638.
  • Scharifi, E.; Mianroodi, J.R.; Roscher, M; Weidig, U.; Jägle, E.A.; Steinhoff, K.: Thermo-mechanical gradation of precipitation-hardenable aluminum alloy AA7075 by differential cooling. In: Materials Letters 331, 15, S 133465, doi.org/10.1016/j.matlet.2022.133465.
  • Sajadifar, S.V.; Suckow, T.; Heider, B.; Oechsner, M.; Groche, P.; Niendorf, T. (2022): Cooling rate as a process parameter in advanced roll forming to tailor microstructure, mechanical and corrosion properties of EN AW 7075 tubes. In: Materialwissenschaft und Werkstofftechnik 53 (12), S. 1479–1493, https://doi.org/10.1002/mawe.202200116.
  • Decke, J.; Engelhardt, A.; Rauch, L.; Degener, S.; Sajadifar, S.V.; Scharifi, E.; Steinhoff, K.; Niendorf, T.; Sick, B. (2022): Predicting Flow Stress Behavior of an AA7075 Alloy Using Machine Learning Methods. In: Crystals 12(9), S. 1281, https://doi.org/10.3390/cryst12091281.
  • Scharifi, E.; Nietsch, J.A.;  Angela Quadfasel, A.; Weidig, U.; Steinhoff, K. (2022): Effect of Thermo-Mechanically Activated Precipitation on the Hot Deformation Behavior of High Strength Aluminum Alloy AA7075.  In: Metals 12 (10), S. 1609. https://doi.org/10.3390/met12101609.
  • Lotz, S.; Scharifi, E.; Weidig, W.; Steinhoff, K. (2022): Effect of Combined Forming and Aging Processes on the Mechanical Properties of the Precipitation-Hardenable High-Strength Aluminum Alloys AA6082 and AA7075. In: Metals 12 (8), S. 1250. https://doi.org/10.3390/met12081250.
  • Scharifi, E.; Nietsch, J. A.; Quadfasel, A.; Weidig, U.; Steinhoff, K. (2022): Influence of Microstructural Conditions on Hot Deformation Behavior of Precipitation Hardenable Aluminum Alloy AA7075. In: Oldenburg, M.; Hardell, J.; Casellas, D. (Edtrs.): Proceedings of the 8th International Conference on Hot Sheet Metal forming of High-Performance Steel, Barcelona (Spain). S. 711, ISBN: 978-3-95735-150-0
  • Schell, L.; Emele, M.; Holzbeck, A.; Groche, P. (2022): Investigation of different lubricant classes for aluminium warm and hot forming based on a strip drawing test. In: Tribology International 168, S. 107449. https://doi.org/10.1016/j.triboint.2022.107449.
  • Suckow, T.; Völkers, S.; Öcal, E. B.; Grass, M.; Böhm, S.; M.; Groche. P. (2022): Effect of Shortened Post Weld Heat Treatment on the Laser Welded AA7075 Alloy. In: Metals 12 (3), S. 393. https://doi.org/10.3390/met12030393.
  • Sajadifar, S. V.; Scharifi, E.; Wegener, T.; Krochmal, M.; Lotz, S.; Steinhoff, K.; Niendorf, T. (2022): On the low-cycle fatigue behavior of thermo-mechanically processed high-strength aluminum alloys. In: International Journal of Fatigue 156 (35), S. 106676. https://doi.org/10.1016/j.ijfatigue.2021.106676.
  • Maciolek, A.; Wagener, R.; Melz, T.(2021): Review of and a new approach to elastic modulus evaluation for fatigue design of metallic components. In: International Journal of Fatigue 151, S. 106325. https://doi.org/10.1016/j.ijfatigue.2021.106325.
  • Sajadifar, S. V.; Krooß, P.; Fröck, H.; Milkereit, B.; Kessler, O.; Niendorf, T. (2021): Effects of Aging under Stress on Mechanical Properties and Microstructure of EN AW 7075 Alloy. In: Metals 11 (7), S. 1142. https://doi.org/10.3390/met11071142.
  • Richter, J.; Sajadifar, S. V.; Niendorf, T. (2021): On the influence of process interruptions during additive manufacturing on the fatigue resistance of AlSi12. In: Additive Manufacturing 47, S. 102346. https://doi.org/10.1016/j.addma.2021.102346.
  • Hosseinzadeh, A.; Radi, A.; Richter, J.; Wegener, T.; Sajadifar, S. V.; Niendorf, T.; Yapici, G. G. (2021): Severe plastic deformation as a processing tool for strengthening of additive manufactured alloys. In: Journal of Manufacturing Processes 68 (2), S. 788-795. https://doi.org/10.1016/j.jmapro.2021.05.070.
  • Scharifi, E.; Savaci, U.; Kavaklioglu, Z. B.; Weidig, U.; Turan, S.; Steinhoff, K. (2021): Effect of thermo-mechanical processing on quench-induced precipitates morphology and mechanical properties in high strength AA7075 aluminum alloy. In: Materials Characterization 174 (A), S. 111026. https://doi.org/10.1016/j.matchar.2021.111026.
  • Suckow, Timon; Schroeder, Julius; Groche, Peter (2021): Roll forming of a high strength AA7075 aluminum tube. In: Prod. Eng. Res. Devel. https://doi.org/10.1007/s11740-021-01046-2.
  • Scharifi, E.; Shoshmina, D.; Biegler, S.; Weidig, U.; Steinhoff, K. (2021): Influence of Hot Deformation on the Precipitation Hardening of High-Strength Aluminum AA7075 during Thermo-Mechanical Processing. In: Metals 11 (5), S. 681. https://doi.org/10.3390/met11050681.
  • Mucci, G.; Bernhard, J.; Baumgartner, J.; Frendo, F. (2021): Fatigue assessment of laser beam and friction stir welded joints made of aluminium. In: Weld World 65 (4), S. 611–621. https://doi.org/10.1007/s40194-020-01045-4.
  • Moeini, G.; Sajadifar, S. V.; Wegener, T.; Rössler, C.; Gerber, A.; Böhm, S.; Niendorf, T. (2021): On the influence of build orientation on properties of friction stir welded Al–Si10Mg parts produced by selective laser melting. In: Journal of Materials Research and Technology 12, S. 1446–1460. https://doi.org/10.1016/j.jmrt.2021.03.101.
  • Heider, B.; Scharifi, E.; Engler, T.; Oechsner, M.; Steinhoff, K. (2021): Influence of heated forming tools on corrosion behavior of high strength aluminum alloys. In: Materialwissenschaft und Werkstofftechnik 52 (2), S. 145–151. https://doi.org/10.1002/mawe.202000125.
  • Völkers, S.; Scharifi, E.; Sajjadifar, S. V.; Böhm, S.; Weidig, U.; Niendorf, T. (2020): On the influence of in situ sound wave superposition on the microstructure of laser welded 7000 aluminum alloys. In: Journal of Advanced Joining Processes 1 (16–17), S. 100013. https://doi.org/10.1016/j.jajp.2020.100013.
  • Günzel, J.; Suckow, T.; Veitenheimer, C.; Hauß, J.; Groche, P. (2020): Robuste W-Temper-Umformung von hochfestem Aluminium/Robust W-Temper forming of high-strength aluminum – How time and quenching method affect the mechanical properties of EN AW-7075. In: wt Werkstattstechnik online 110 (10), S. 697–703. https://doi.org/10.37544/1436-4980-2020-10-53.
  • Scharifi, E.; Sajadifar, S. V.; Moeini, G.; Weidig, U.; Böhm, S.; Niendorf, T.; Steinhoff, K. (2020): Dynamic Tensile Deformation of High Strength Aluminum Alloys Processed Following Novel Thermomechanical Treatment Strategies. In: Advanced Engineering Materials 22 (8), S. 2000193. https://doi.org/10.1002/adem.202000193.
  • Moeini, G.; Sajadifar, S. V.; Engler, T.; Heider, B.; Niendorf, T.; Oechsner, M.; Böhm, S. (2020): Effect of Friction Stir Processing on Microstructural, Mechanical, and Corrosion Properties of Al-Si12 Additive Manufactured Components. In: Metals 10 (1), S. 85. https://doi.org/10.3390/met10010085.
  • Sajadifar, S. V.; Scharifi, E.; Weidig, U.; Steinhoff, K.; Niendorf, T. (2020): Effect of Tool Temperature on Mechanical Properties and Microstructure of Thermo-Mechanically Processed AA6082 and AA7075 Aluminum Alloys. In: HTM Journal of Heat Treatment and Materials 75 (3), S. 177–191. https://doi.org/10.3139/105.110412.
  • Sajadifar, S. V.; Scharifi, E.; Weidig, U.; Steinhoff, K.; Niendorf, T. (2020): Performance of Thermo-Mechanically Processed AA7075 Alloy at Elevated Temperatures—From Microstructure to Mechanical Properties. In: Metals 10 (7), S. 884. https://doi.org/10.3390/met10070884.
  • Scharifi, E.; Knoth, R.; Weidig, U. (2019): Thermo-mechanical forming procedure of high strength Aluminum sheet with improved mechanical properties and process efficiency. In: Procedia Manufacturing 29, S. 481–489. https://doi.org/10.1016/j.promfg.2019.02.165.
  • Sajadifar, S. V.; Moeini, G.; Scharifi, E.; Lauhoff, C.; Böhm, S.; Niendorf, T. (2019): On the Effect of Quenching on Postweld Heat Treatment of Friction-Stir-Welded Aluminum 7075 Alloy. In: J. of Materi Eng and Perform 28 (8), S. 5255–5265. https://doi.org/10.1007/s11665-019-04252-3.
  • Moeini, G.; Sajadifar, S. V.; Wegener, T.; Brenne, F.; Niendorf, T.; Böhm, S. (2019): On the low-cycle fatigue behavior of friction stir welded Al–Si12 parts produced by selective laser melting. In: Materials Science and Engineering: A 764, S. 138189. https://doi.org/10.1016/j.msea.2019.138189.
  • Suckow, T.; Günzel, J.; Schell, L.; Sellner, E.; Dagnew, J.; Groche, P. (2019): Temperatureinfluss in der Aluminium-Blechumformung - Rückfederungsverhalten und Prozessgrenzen beim Gesenkbiegen von EN AW-6082 und EN AW-7075. In: wt Werkstattstechnik online, 109 (10), S. 733-739. VDI Fachmedien, e-ISSN 1436-4980.
  • Scharifi, E., Erbskorn, F., Ademaj, A., Kavaklioglu, Z. B., Weidig, U., Steinhoff, K. (2019): Potentialities of Process Cycle Time Reductions at Hot Stamping of Aluminum Alloys. In:  Proceedings of the 7th International Conference on Hot Sheet Metal forming of High-Performance Steel. Auerbach (D): Verlag Wissenschaftliche Scripten.
  • Scharifi, E., Danilenko, A., Weidig, U., Steinhoff, K. (2019): Influence of plastic deformation gradients at room temperature on precipitation kinetics and mechanical properties of high-strength aluminum alloys. In: Journal of Engineering Research and Application 9 (6), S.42-48 https://www.ijera.com/papers/vol9no6/Series-2/H0906024248.pdf.
  • Wagener, R.; Maciolek, A.; Kaufmann, H. (2019): Description of the cyclic material behaviour of aluminium wrought alloys as basis for a digital twin. In: Procedia Structural Integrity 18 (2005), S. 490–500. https://doi.org/10.1016/j.prostr.2019.08.191.
  • Groche, P.; Günzel, J.; Suckow, T. (2018): Blechkomponenten aus hochfestem Aluminium - Möglichkeiten und Potenzial der Inline-Wärmebehandlung von EN AW-7075 beim Walzprofilieren. In: wt Werkstattstechnik online, 108 (10), S. 639-645. Springer-VDI-Verlag, e-ISSN 1436-4980.