Browsing Mühendislik Fakültesi by Author "Oguzhan Demir"

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A new specimen for mixed mode-I/II fracture tests: Modeling, experiments and criteria development

Oguzhan Demir; Ayhan, Ali Osman; İriç, Sedat (PERGAMON-ELSEVIER SCIENCE LTD, 2017)

Details related to modeling and experimental analyses for a new type of specimen, which is proposed to be used for mixed mode-I/II fracture tests, are presented. The specimen is similar to a T-shape and requires less ...
Applicability of compact tension specimens for evaluation of the plane-strain fracture toughness of steel

İriç, Sedat; Oguzhan Demir; Ali O. Ayhan (CARL HANSER VERLAG, 2019)

The plane-strain fracture toughness test method enables the determination of the plane-strain fracture toughness (K-IC) of metallic materials by tests using a variety of precracked specimens, such as bend, compact tension ...
Evaluation of mixed mode-I/II criteria for fatigue crack propagation using experiments and modeling

Oguzhan Demir; Ayhan, Ali Osman; İriç, Sedat; Huseyin Lekesiz (ELSEVIER SCIENCE INC, 2018)

In this study, in-plane mixed mode-I/II fatigue crack growth simulations and experiments are performed for the Al 7075-T651 aluminum alloy which is widely used in the aerospace industry. Tests are carried out under different ...
Three-dimensional mode-I/III fatigue crack propagation: Computational modeling and experiments

Yaren, Mehmet Faruk; Oguzhan Demir; Ayhan, Ali Osman; İriç, Sedat (ELSEVIER SCI LTD, 2019)

Three dimensional mixed mode-I/III fatigue crack growth simulations and experiments are performed on Al7075-T651 aluminum under different mode mixity ratios. The crack growth surfaces obtained from numerical models are ...