Tensile properties of GH4169 superalloy for smooth and notch specimens determined by tests and simulation

Yukui Gao and Rui Wang
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Yukui Gao: School of Materials Science and Engineering, Tongji University, No. 4800 of Caoan Road, Jiading District, Shanghai 201804, P. R. China†Shanghai Key Laboratory of R&D for Metallic Function Materials, No. 4800 of Caoan Road, Jiading District, Shanghai 201804, P. R. China
Rui Wang: ��School of Aerospace Engineering and Applied Mechanics, Tongji University, No. 100 of Zhangwu Road, Yangpu District, Shanghai 200092, P. R. China

International Journal of Modern Physics C (IJMPC), 2024, vol. 35, issue 06, 1-10

Abstract: Tensile mechanical tests of GH4169 superalloy were performed for smooth and notch specimens at room temperature. Moreover, a finite element method (FEM) was employed by an Abaqus simulation software to provide the tensile test processes during elastic and plastic deformation. Comparing the experimental measurements with the simulation and analysis results, it was found that the Ket value decreased with increasing Kt value, and the Ket value of smooth and notched specimens were close to the Kε⋅Kσ value of both elastic deformation and plastic deformation. Reasonable explanations were also provided for the stress concentration factor Kσ and strain concentration factor Kε.

Keywords: Elastic properties; plastic deformation; mechanical properties; GH4169 superalloy (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1142/S0129183124500748

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