EXPERIMENTAL DETERMINATION AND NUMERICAL IMPLEMENTATION OF DUCTILE DAMAGE PARAMETERS OF AL 2024-O

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Salimpour maman Esmail; MIRZAEI MAJID

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Journal: Modares Mechanical Engineering Year:2018 | Volume:18 | Issue:2 Page(s): 45-52

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Title

EXPERIMENTAL DETERMINATION AND NUMERICAL IMPLEMENTATION OF DUCTILE DAMAGE PARAMETERS OF AL 2024-O

Author(s)

Salimpour maman Esmail | MIRZAEI MAJID | Issue Writer Certificate

Keywords

DUCTILE DAMAGEQ1

FINITE ELEMENT SIMULATIONQ2

STRESS TRIAXIALITYQ2

FRACTURE STRAINQ1

Abstract

Determination of the damage parameters for different materials can be beneficial to the analysis and assessment of rupture during forming of thin metallic plates. The amount of damage depends on the strain amplitude, the state of stress, and also the path and rate of the strain. The state of stress at the damage location is an important and effective parameter which is described by stress triaxilality, load angle and equivalent stress. In this paper, the mechanical behavior and DUCTILE DAMAGE properties of Al 2024-O have been investigated. The aim was the determination of the mechanical behavior and development of an expression for correlation between the failure strain and the state of stress at the damage location. Hence, the experimental tests were carried out on both smooth and notched flat specimens. Various levels of STRESS TRIAXIALITY in notched specimens were created by variation of the notch radius. Based on the test results, a new expression has been developed for correlation between the failure strain and the triaxiality ratio for Al 2024-O in the plane strain regime. In order to evaluate the simulation procedure and applicability of the proposed expressions in more complex problems, the process was simulated using DUCTILE DAMAGE criterion in the ABAQUS software, and the experimental and numerical results were compared. Very good agreements were observed between the simulation and experimental results.

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APA: Copy

Salimpour maman, Esmail, & MIRZAEI, MAJID. (2018). EXPERIMENTAL DETERMINATION AND NUMERICAL IMPLEMENTATION OF DUCTILE DAMAGE PARAMETERS OF AL 2024-O. MODARES MECHANICAL ENGINEERING, 18(2 ), 45-52. SID. https://sid.ir/paper/178651/en

Vancouver: Copy

Salimpour maman Esmail, MIRZAEI MAJID. EXPERIMENTAL DETERMINATION AND NUMERICAL IMPLEMENTATION OF DUCTILE DAMAGE PARAMETERS OF AL 2024-O. MODARES MECHANICAL ENGINEERING[Internet]. 2018;18(2 ):45-52. Available from: https://sid.ir/paper/178651/en

IEEE: Copy

Esmail Salimpour maman, and MAJID MIRZAEI, “EXPERIMENTAL DETERMINATION AND NUMERICAL IMPLEMENTATION OF DUCTILE DAMAGE PARAMETERS OF AL 2024-O,” MODARES MECHANICAL ENGINEERING, vol. 18, no. 2 , pp. 45–52, 2018, [Online]. Available: https://sid.ir/paper/178651/en

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