Kaftancıoğlu, Utku

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Profile URL
https://hdl.handle.net/20.500.14411/7250
Name Variants
Kaftancıoglu,U.
K., Utku
U., Kaftancioğlu
U.,Kaftancioglu
Kaftancioglu,U.
K.,Utku
U., Kaftancioglu
U., Kaftancıoğlu
Utku, Kaftancioglu
U.,Kaftancioğlu
Kaftancioğlu, Utku
Kaftancıoğlu,U.
U.,Kaftancıoğlu
Utku, Kaftancioğlu
Kaftancıoğlu, Utku
Utku, Kaftancıoğlu
Kaftancioglu, Utku
Job Title
Araştırma Görevlisi
Email Address
utku.kaftancioglu@atilim.edu.tr
Main Affiliation
Mechanical Engineering
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ORCID ID
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Turkish CoHE Profile ID
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WoS Researcher ID

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Scholarly Output

2

Articles

1

Views / Downloads

16/49

Supervised MSc Theses

0

Supervised PhD Theses

0

WoS Citation Count

2

Scopus Citation Count

8

WoS h-index

1

Scopus h-index

2

Patents

0

Projects

0

WoS Citations per Publication

1.00

Scopus Citations per Publication

4.00

Open Access Source

1

Supervised Theses

0

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JournalCount
Applied Sciences1
Conference Proceedings of the Society for Experimental Mechanics Series -- SEM Annual Conference and Exposition on Experimental and Applied Mechanics, 2022 -- 13 June 2022 through 16 June 2022 -- Pittsburgh -- 2869791
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Now showing 1 - 2 of 2
  • Thumbnail Image
    Article
    Citation - WoS: 2
    Citation - Scopus: 2
    Lifetime Prediction of Single Crystal Nickel-Based Superalloys
    (Mdpi, 2025) Kasar, Cagatay; Kaftancioglu, Utku; Bayraktar, Emin; Aslan, Ozgur
    Single crystal nickel-based superalloys are extensively used in turbine blade applications due to their superior creep resistance compared to their polycrystalline counterparts. With the high creep resistance, high cycle fatigue (HCF) and low cycle fatigue (LCF) become primary failure mechanisms for such applications. This study investigates the fatigue life prediction of CMSX-4 using a combination of crystal plasticity and lifetime assessment models. The constitutive crystal plasticity model simulates the anisotropic, rate-dependent deformation behavior of CMSX-4, while the modified Chaboche damage model is used for lifetime assessment, focusing on cleavage stresses on active slip planes to include anisotropy. Both qualitative and quantitative data obtained from HCF experiments on single crystal superalloys with notched geometry were used for validation of the model. Furthermore, artificial neural networks (ANNs) were employed to enhance the accuracy of lifetime predictions across varying temperatures by analyzing the fatigue curves obtained from the damage model. The integration of crystal plasticity, damage mechanics, and ANNs resulted in an accurate prediction of fatigue life and crack initiation points under complex loading conditions of single crystals superalloys.
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    Conference Object
    Citation - Scopus: 6
    Development of Ni-al/Nb2al Composites for Aircraft Engine Applications Produced by a Combined Method: Sintering + Forging
    (Springer, 2023) Kaftancıoglu,U.; Zambelis,G.; Gatamorta,F.; Miskioglu,I.; Bayraktar,E.
    In this study, the microstructural formation and static/dynamic compression behaviour of the recycled Ni-Al/Nb2Al/ZrO2 matrix-hybrid composites reinforced with Nb and ZrO2 will be studied. It is intended to be an alternative to traditional alloys/composites used in the aeronautical industry. These composites are generally produced by using combined sintering + forging processes. The static and dynamic properties will be evaluated in detail, considering the relevant scanning electron microscopy (SEM) microstructures, including the distribution of reinforcement elements. © 2023, The Society for Experimental Mechanics, Inc.