Numerical Analysis of Fracture Behavior of Functionally Graded Materials using 3D-XFEM

被引：2

作者：

Benhamena, Ali ^{[1
]}

Fatima, Benaoum ^{[1
]}

Foudil, Khelil ^{[1
]}

Baltach, Abdelghani ^{[2
]}

Chaouch, Mohamed Ikhlef ^{[1
]}

机构：

[1] Univ Mascara, Lab LPQ3M, BP 763, Mascara 29000, Algeria

[2] Univ Tiaret, Dept Mech Engn, Tiaret, Algeria

来源：

ADVANCES IN MATERIALS SCIENCE | 2023年 / 23卷 / 03期

关键词：

Functionally graded materials; Crack analysis; Maximum stress intensity factor; T-stress; Three-dimensional extended finite element method (3D-XFEM); Mixed mode; Phase angle; STRESS-INTENSITY FACTORS; FINITE-ELEMENT-METHOD; CRACK-PROPAGATION; FATIGUE; SIMULATION; GROWTH; PLATES;

D O I：

10.2478/adms-2023-0015

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper presents the numerical evaluation of mixed stress intensity factors (SIFs) and non-singular terms of William's series (T-stress) of functionally graded materials (FGMs) using three-dimensional extended finite element method (3D-XFEM). Four-point bending specimen with crack perpendicular to material gradation have been used in this investigation in order to study the effect of some parameters (crack position, crack size, specimen thickness) on the failure of FGMs materials. The fracture parameters (KI KII, phase angle ? and T-stress) obtained by the present simulation are compared with available experimental and numerical results. An excellent correlation was found of the 3D-XFEM simulations with those available in the literature. From the numerical results, a fitting procedure is performed in order to propose an analytical formulation and subsequently are validated against the 3D-XFEM results.

引用

页码：33 / 46

页数：14

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