Sait, Ferit

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F.,Sait
F., Sait
Sait,F.
S., Ferit
Sait, Ferit
S.,Ferit
Ferit, Sait
Job Title
Doktor Öğretim Üyesi
Email Address
ferit.sait@atilim.edu.tr
Main Affiliation
Aerospace Engineering
Status
Former Staff
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Scholarly Output

2

Articles

2

Citation Count

20

Supervised Theses

0

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2020 - 20232
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Now showing 1 - 2 of 2
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    Article
    Citation - WoS: 6
    Citation - Scopus: 6
    Finite Element Analysis of Fgm Dental Crowns Using Phase-Field Approach
    (Elsevier, 2023) Sait, Ferit; Saeidi, Nazanin; Korkmaz, Turan; Aerospace Engineering
    Functionally graded materials (FGMs) - categorized in advanced composite materials - are specially designed to reduce the stresses and failure due to material mismatches. Advances in manufacturing techniques have brought FGMs into use in a variety of applications. However, the numerical analysis is still challenging due to the difficulties in simulations of non-homogeneous material domains of complex parts. Presenting a numerical procedure that both facilitates the implementation of material non-homogeneity in geometrically complex mediums, and increases the accuracy of the calculations using a phase-field approach, this study investigates the usage of FGMs in dental prostheses. For this purpose, a porcelain fused to metal (PFM) mandibular first molar FGM crown is simulated and analyzed under the maximum masticatory bite force, and eventually the results are compared to a PFM crown prepared conventionally.
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    Article
    Citation - WoS: 16
    Citation - Scopus: 16
    Modeling and Simulation of Coupled Phase Transformation and Stress Evolution in Thermal Barrier Coatings
    (Pergamon-elsevier Science Ltd, 2020) Sait, Ferit; Aslan, Özgür; Gurses, Ercan; Aslan, Ozgur; Sait, Ferit; Aslan, Özgür; Sait, Ferit; Mechanical Engineering; Aerospace Engineering; Aerospace Engineering; Mechanical Engineering; Aerospace Engineering
    The thermally grown oxide layer is known to be responsible for the failure of coating systems due to the generation of severely high stresses. In this work, oxidation induced stresses generated in thermal barrier coating (TBC) systems are investigated for high temperature isothermal oxidation. In that sense, a comprehensive model, where phase transformation is coupled with mechanics is developed for the life-time estimation of TBC systems and a modified version of the Allen-Cahn type phase field approach is adopted in order to model the generation of thermally grown oxide (TGO) in finite strain constitutive framework. The top-coat material behavior is modeled using a rate-dependent Gurson type plasticity for porous materials which also accounts for creep. The results for the isothermal phase transformation analysis and the model validation using experimental results are demonstrated. The capability of the model in predicting the local stresses which is the main variable in the analysis of possible delaminations and accurate lifetime estimation of TBC systems is shown.