Abstract

Abstract In the paper the numerical analysis of the stress fields for 145Cr6 steel, near crack tip is presented, based on three-dimensional finite element method (FEM) analysis. The FEM analysis is focused on SEN(B) specimens with relative crack length a/W ≈ 0.30. In addition to the presentation of the normal components of the stress tensor, the paper presents selected measures of stress triaxiality parameters, measured for the value of the J-integral, corresponding to the experimentally determined fracture toughness, denoted as JIC , which is considered to be a material constant or material characteristic [1, 2]. Presented topic is a continuation of papers [3, 4],whichwere based on experimental analysis, presented in [5].

Highlights

  • In the paper the numerical analysis of the stress fields for 145Cr6 steel, near crack tip is presented, based on three-dimensional finite element method (FEM) analysis

  • The FEM analysis is focused on SEN(B) specimens with relative crack length a/W ≈ 0.30

  • Professional literature and industry portals provide some characteristics of the mechanical properties of this steel, information about the parameters characterizing the fracture of 145Cr6 steel is quite poor, which results from the fact that this material does not appear in Eurocodes [6] as the basic construction material used in the construction of machinery and equipment or in the construction of buildings

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Summary

Introduction

In the paper the numerical analysis of the stress fields for 145Cr6 steel, near crack tip is presented, based on three-dimensional finite element method (FEM) analysis.

Results
Conclusion

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