The Influence of a Sudden Impact Loading on the Creep, Damage, and Fracture of Beams Made From Functionally Graded Materials

被引：0

作者：

Breslavsky, Dmytro ^{[1
,2
]}

Palamarchuk, Pavlo ^{[1
]}

Tatarinova, Oksana ^{[1
]}

Altenbach, Holm ^{[2
]}

Pellicano, Francesco ^{[3
]}

机构：

[1] Natl Tech Univ Kharkiv Polytech Inst, Dept Comp Modeling Proc & Syst, Kharkiv, Ukraine

[2] Otto von Guericke Univ, Dept Engn Mech, Magdeburg, Germany

[3] Univ Modena & Reggio Emilia, Dept Engn, Modena, Italy

来源：

FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES | 2025年 / 48卷 / 02期

关键词：

beam; crack; creep-damage behavior; fracture; functionally graded material; impact; STEADY-STATE CREEP; BEHAVIOR;

D O I：

10.1111/ffe.14528

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

An approach to the analysis of the influence of impact loading on creep, accumulation of hidden damage and fracture of structural elements made of functionally graded materials (FGM) is proposed. The approach is based on the analysis of additional damage caused by the impact loading and the stress redistribution caused by it. For the numerical modeling, finite element analysis was applied using algorithms for determining the size and direction of motion of macroscopic defects by means of the analysis of the time-varying damage field. The fracture after an impact on a beam made from FGM is considered. The nature of fracture of a beam made of two-layer metal-ceramic material was studied. The advantages of using FGM to ensure a better long-term response of a structural element to a non-destructive impact loading are shown. An approach to determine the time until the complete fracture of the FGM beam by the simultaneous description of the motion of two cracks is proposed.

引用

页码：931 / 941

页数：11

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