A new simple specimen for mixed-mode (I/II) fracture and fatigue tests: Numerical and experimental studies

被引：7

作者：

Shukla, Shiv Sahaya ^{[1
]}

Sajith, S. ^{[2
]}

Murthy, K. S. R. K. ^{[1
]}

机构：

[1] Indian Inst Technol Guwahati, Dept Mech Engn, Gauhati 781039, India

[2] Carmel Coll Engn & Technol, Dept Mech Engn, Alappuzha 688004, Kerala, India

来源：

EUROPEAN JOURNAL OF MECHANICS A-SOLIDS | 2022年 / 94卷

关键词：

Crack; Mixed mode; Fracture; Stress intensity factor; Fatigue; Criteria; STABLE CRACK-GROWTH; FINITE-ELEMENT; T-STRESS; BRITTLE-FRACTURE; TOUGHNESS;

D O I：

10.1016/j.euromechsol.2022.104566

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

In the present investigation, a simple and efficient specimen geometry for conducting mixed mode (I/II) static fracture tests and fatigue crack growth studies has been proposed. No additional complicated fixtures are needed for loading the specimen and it can be used for both metallic and non-metallic materials. Large number of finite element analyses and mixed mode fracture experiments have been conducted. Present results of the experimental studies have been compared with widely used mixed mode (I/II) fracture criteria in terms of fracture toughness. The present experimental results are in very good agreement with the selected mixed mode (I/II) fracture criteria. Results of the present investigation clearly recommend the proposed specimen geometry as a useful mixed mode (I/II) specimen for fracture and fatigue studies.

引用

页数：14

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