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dc.contributor.authorKumar M.-
dc.contributor.authorAhmad S.-
dc.contributor.authorSingh, Indra Vir-
dc.contributor.authorRao A.V.-
dc.contributor.authorKumar J.-
dc.contributor.authorKumar V.-
dc.date.accessioned2020-10-15T12:15:20Z-
dc.date.available2020-10-15T12:15:20Z-
dc.date.issued2018-
dc.identifier.citationTheoretical and Applied Fracture Mechanics (2018), 96(): 604-616-
dc.identifier.issn1678442-
dc.identifier.urihttps://doi.org/10.1016/j.tafmec.2018.07.002-
dc.identifier.urihttp://repository.iitr.ac.in/handle/123456789/11489-
dc.description.abstractIn this work, the fatigue crack growth behavior of the Nickel based super alloy is investigated at room (26 °C) and elevated temperature (650 °C). The fatigue crack growth experiments are performed to understand the effect of temperature and loading rate. The elasto plastic fracture toughness tests are performed to evaluate JIC. Paris law is used in conjunction with extended finite element method (XFEM) to numerically predict the fatigue life. The stress intensity factors of individual mode (KI and KII) are computed from J-integral by decomposing the stress, strain and strain derivatives into symmetric and antisymmetric parts. Few parametric studies are performed to show the mesh convergence and path independency of J-integral. Fatigue crack growth in an aero-engine turbine disc is predicted. The numerically predicted fatigue life is found in good match with the experimental results. © 2018 Elsevier Ltd-
dc.language.isoen_US-
dc.publisherElsevier B.V.-
dc.relation.ispartofTheoretical and Applied Fracture Mechanics-
dc.subjectFatigue crack growth-
dc.subjectFracture toughness-
dc.subjectJ-decomposition-
dc.subjectXFEM-
dc.titleExperimental and numerical studies to estimate fatigue crack growth behavior of Ni-based super alloy-
dc.typeArticle-
dc.scopusid57199856545-
dc.scopusid56640431400-
dc.scopusid57204061377-
dc.scopusid57198920326-
dc.scopusid24461703400-
dc.scopusid57200714018-
dc.affiliationKumar, M., Department of Mechanical and Industrial Engineering, Indian Institute of Technology, Roorkee, Uttarakhand 247667, India-
dc.affiliationAhmad, S., Defence Metallurgical Research Laboratory, DRDO, Hyderabad, India-
dc.affiliationSingh, I.V., Department of Mechanical and Industrial Engineering, Indian Institute of Technology, Roorkee, Uttarakhand 247667, India-
dc.affiliationRao, A.V., Defence Metallurgical Research Laboratory, DRDO, Hyderabad, India-
dc.affiliationKumar, J., Defence Metallurgical Research Laboratory, DRDO, Hyderabad, India-
dc.affiliationKumar, V., Defence Metallurgical Research Laboratory, DRDO, Hyderabad, India-
dc.description.fundingThis work is done as part of doctoral thesis work of Mr. Manish Kumar under the scheme of Ministry of Human Resource Development, Government of India, and is partially supported by Defence Metallurgical Research Laboratory , Hyderabad, India.-
dc.description.correspondingauthorSingh, I.V.; Department of Mechanical and Industrial Engineering, Indian Institute of TechnologyIndia; email: indrafme@iitr.ac.in-
Appears in Collections:Journal Publications [ME]

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