M.Sc. Yashar Sarafraz

7) Sarafraz, Y.; Felinks, N.; Biermann, D.; Walther, F.:
Failure analysis of formed internal threads in flow drilled bores of AlSi10Mg cast profiles.
Engineering Failure Analysis 151, (2023) 107413. https://doi.org/10.1016/j.engfailanal.2023.107413

6) Sarafraz, Y.; Brink, M.; Baak, N.; Koch, A.; Walther, F.:
Influence of pre-deformation on fatigue life of high strength steels by means of micromagnetic Barkhausen noise.
Materials Testing 65 (5), (2023) 641-651. https://doi.org/10.1515/mt-2022-0425

5) Sarafraz, Y.; Stammkötter, S; Koch, A.; Walther, F.:
Dimension-based failure analysis of formed internal threads in AlSi10Mg cast profiles using coupled DT/NDT testing methods.
Procedia Structural Integrity 42 (2022) 125-132. https://doi.org/10.1016/j.prostr.2022.12.015 - Download

4) Felinks, N.; Krumme, E.; Beer, C.; Hechtle, D.; Sarafraz, Y.; Walther, F.; Biermann, D. :
Influence of core hole diameter on thread quality for a high-performance tapping technology in AlSi10MnMg cast alloys.
Procedia CIRP 115 (2022) 42-47. https://doi.org/10.1016/j.procir.2022.10.047 - Download

3) Felinks, N.; Sarafraz, Y.; Saelzer, J.; Walther, F.; Biermann, D.:
Influence of temperature in front face flow drilling and thread forming of lightweight cast alloys.
Procedia CIRP 104 (2021) 780-785. https://doi.org/10.1016/j.procir.2021.11.131

2) Sarafraz, Y.; Koch, A.; Felinks, N.; Biermann, D.; Walther, F.:
Influence of pre-drilling on hardness and tensile failure of formed internal threads in thin-walled AZ91 cast alloys.
Engineering Failure Analysis 130, 105783 (2021) 1-14. https://doi.org/10.1016/j.engfailanal.2021.105783

1) Felinks, N.; Overberg, T.; Sarafraz, Y.; Walther, F.; Biermann, D.:
Adapted process strategies in front face flow drilling and thread forming of lightweight casting materials.
Procedia CIRP 103 (2021) 213-218. https://doi.org/10.1016/j.procir.2021.10.034

Liste aller Publikationen

6) Sarafraz, Y. (Sp.); Felinks, N.; Biermann, D.; Walther, F.:
Effect of core hole diameter on tensile and fatigue properties of the helically formed internal thread in AlSi10MnMg cast alloys.
Thermec’2023, International Conference on Processing & Manufacturing of Advanced Materials, Vienna, Austria, 02.-07. July (2023).

5) Rozo Vasquez, J.; Sarafraz, Y.; Strodick, S.; Baak, N.; Walther, F. (Sp.):
Monitoring of fatigue evolution by in-situ measurement methods and micromagnetic analysis.
TMS 2023 Annual Meeting & Exhibition, San Diego, CA, USA, 19.-23. Mar. (2023).

4) Sarafraz, Y. (Sp.); Stammkötter, S.; Koch, A.; Walther, F.:
Dimension-based failure analysis of formed internal threads in AlSi10Mg cast profiles using coupled DT/NDT testing methods.
ECF23 - 23rd European Conference on Fracture 2022, Funchal, Madeira, Portugal, 27. June-01. July (2022).

3) Sarafraz, Y. (Sp.); Koch, A.; Walther, F.:
Influence of pre-drilling diameter on fatigue behavior of internal threads manufactured by friction drilling and thread forming in AZ91 alloy.
LightMAT 2021, 4th International Conference on Light Materials - Science and Technology, Web Conference, 02.-04. Nov. (2021).

2) Felinks, N. (Sp.); Overberg, T.; Sarafraz, Y.; Walther, F.; Biermann, D.:
Adapted process strategies in front face flow drilling and thread forming of lightweight casting materials.
CIRPe 2021, 9th CIRP Global Web Conference, Web Conference, 26.-28. Oct. (2021).

1) Felinks, N. (Sp.); Sarafraz, Y.; Saelzera, J.; Walther, F.; Biermann, D.:
Influence of temperature in front face flow drilling and thread forming of lightweight cast alloys.
54th CIRP Conference on Manufacturing Systems, Web Conference, 22.-24. Sept. (2021).

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