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

被引：0

作者：

Gao, Yukui ^{[1
,2
]}

Wang, Rui ^{[3
]}

机构：

[1] Tongji Univ, Sch Mat Sci & Engn, 4800 Caoan Rd, Shanghai 201804, Peoples R China

[2] Shanghai Key Lab R&D Met Funct Mat, 4800 Caoan Rd, Shanghai 201804, Peoples R China

[3] Tongji Univ, Sch Aerosp Engn & Appl Mech, 100 Zhangwu Rd, Shanghai 200092, Peoples R China

来源：

INTERNATIONAL JOURNAL OF MODERN PHYSICS C | 2024年 / 35卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Elastic properties; plastic deformation; mechanical properties; GH4169; superalloy; STRENGTH;

D O I：

10.1142/S0129183124500748

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

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 K epsilon & sdot;K sigma value of both elastic deformation and plastic deformation. Reasonable explanations were also provided for the stress concentration factor K sigma and strain concentration factor K epsilon.

引用

页数：10

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