The Characteristics of Selected Triaxiality Measures of the Stresses for a C(T) Specimen Dominated by the Plane Strain State-Reference-Cited by-同舟云学术

The Characteristics of Selected Triaxiality Measures of the Stresses for a C(T) Specimen Dominated by the Plane Strain State

Published:2020-03-01 Issue:1 Volume:25 Page:52-74
ISSN:2353-9003
Container-title:International Journal of Applied Mechanics and Engineering
language:en
Short-container-title:

Author:

Graba M.¹

Affiliation:

1. Kielce University and Technology , Faculty of Mechatronics and Mechanical Engineering, Department of Manufacturing Engineering and Metrology , Al. 1000-lecia PP 7, 25-314 Kielce , Poland

Abstract

Abstract The paper presents a comprehensive analysis of the stress field and selected triaxiality parameters near the crack tip for C(T) specimen dominated by the plane strain state using the finite element method. It includes some theoretical information about elastic-plastic fracture mechanics, the basics of the FEM modeling and presentation of the numerical results. The FEM analysis includes calculations with large strain assumptions. The influence of the external load and crack length is discussed. Additional elements of the paper are a qualitative assessment of the size of plastic zones and the crack tip opening displacement.

Publisher

Walter de Gruyter GmbH

Subject

Fluid Flow and Transfer Processes,Transportation,Civil and Structural Engineering

Link

https://www.sciendo.com/pdf/10.2478/ijame-2020-0005

Reference36 articles.

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2. [2] ASTM (2011): ASTM E1921-11 Standard test method for determining of reference temperature T0 for ferritic steels in the transition range. – American Society for Testing and Materials.

3. [3] BS 5762. Methods for crack opening displacement (COD) testing. – London: British Standards Institute; 1979.

4. [4] BS 7448: Part 1. Fracture mechanics toughness tests: Part 1 – Method for determining of KIc, critical CTOD and critical J values of metallic materials. – London: British Standards Institute; 1991.

5. [5] PN-87/H-4335, Metals – Test method for measurement of the fracture toughness for plane strain conditions.

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