Fracture analysis of a corner crack in a pinhole of a solid cylinder under torsion loading

Richardson P. Joseph; Ichsan Setya Putra; Agung Setyo Darmawan; Haw Ling Liew; Singh Ramesh; Purwo Kadarno; Md Asri Mohammad; Judha Purbolaksono

doi:10.5267/j.esm.2020.3.003

Fracture analysis of a corner crack in a pinhole of a solid cylinder under torsion loading

Richardson P. Joseph, Ichsan Setya Putra, Agung Setyo Darmawan, Haw Ling Liew, Singh Ramesh, Purwo Kadarno, Md Asri Mohammad, Judha Purbolaksono

Western Sydney University

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

Fatigue crack growths of a corner crack emanating from a pinhole of a solid cylinder subjected to cyclic torsion loading were simulated using a Dual-Boundary Element Method (DBEM) based software. For a given crack aspect ratio a/c, larger Mode I stress intensity factor (SIF) was observed at a larger pinhole diameter. Any given initial crack aspect ratio a/c would evolve towards unity. The final evolving crack aspect ratio a/c was shown to be larger than 1. For the same given initial crack length a, a smaller crack depth c was found to result in a shorter fatigue life. A shorter fatigue life yielded a larger orientation angle of the crack growth path.

Original language	English
Pages (from-to)	353-364
Number of pages	12
Journal	Engineering Solid Mechanics
Volume	8
Issue number	4
DOIs	https://doi.org/10.5267/j.esm.2020.3.003
Publication status	Published - 2020

Bibliographical note

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© 2020 Growing Science Ltd. All rights reserved.

Open Access - Access Right Statement

© 2020 by the authors; licensee Growing Science, Canada. This is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC-BY) license (http://creativecommons.org/licenses/by/4.0/).

Keywords

cracks
cylinders
fatigue
fracture mechanics
torsion

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10.5267/j.esm.2020.3.003

Cite this

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title = "Fracture analysis of a corner crack in a pinhole of a solid cylinder under torsion loading",

abstract = "Fatigue crack growths of a corner crack emanating from a pinhole of a solid cylinder subjected to cyclic torsion loading were simulated using a Dual-Boundary Element Method (DBEM) based software. For a given crack aspect ratio a/c, larger Mode I stress intensity factor (SIF) was observed at a larger pinhole diameter. Any given initial crack aspect ratio a/c would evolve towards unity. The final evolving crack aspect ratio a/c was shown to be larger than 1. For the same given initial crack length a, a smaller crack depth c was found to result in a shorter fatigue life. A shorter fatigue life yielded a larger orientation angle of the crack growth path.",

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T1 - Fracture analysis of a corner crack in a pinhole of a solid cylinder under torsion loading

AU - Joseph, Richardson P.

AU - Putra, Ichsan Setya

AU - Darmawan, Agung Setyo

AU - Liew, Haw Ling

AU - Ramesh, Singh

AU - Kadarno, Purwo

AU - Mohammad, Md Asri

AU - Purbolaksono, Judha

PY - 2020

Y1 - 2020

N2 - Fatigue crack growths of a corner crack emanating from a pinhole of a solid cylinder subjected to cyclic torsion loading were simulated using a Dual-Boundary Element Method (DBEM) based software. For a given crack aspect ratio a/c, larger Mode I stress intensity factor (SIF) was observed at a larger pinhole diameter. Any given initial crack aspect ratio a/c would evolve towards unity. The final evolving crack aspect ratio a/c was shown to be larger than 1. For the same given initial crack length a, a smaller crack depth c was found to result in a shorter fatigue life. A shorter fatigue life yielded a larger orientation angle of the crack growth path.

AB - Fatigue crack growths of a corner crack emanating from a pinhole of a solid cylinder subjected to cyclic torsion loading were simulated using a Dual-Boundary Element Method (DBEM) based software. For a given crack aspect ratio a/c, larger Mode I stress intensity factor (SIF) was observed at a larger pinhole diameter. Any given initial crack aspect ratio a/c would evolve towards unity. The final evolving crack aspect ratio a/c was shown to be larger than 1. For the same given initial crack length a, a smaller crack depth c was found to result in a shorter fatigue life. A shorter fatigue life yielded a larger orientation angle of the crack growth path.

KW - cracks

KW - cylinders

KW - fatigue

KW - fracture mechanics

KW - torsion

UR - https://hdl.handle.net/1959.7/uws:56313

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DO - 10.5267/j.esm.2020.3.003

M3 - Article

SN - 2291-8744

VL - 8

SP - 353

EP - 364

JO - Engineering Solid Mechanics

JF - Engineering Solid Mechanics

IS - 4

ER -

Fracture analysis of a corner crack in a pinhole of a solid cylinder under torsion loading

Abstract

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Keywords

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