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

Joseph R.P.a,b, Putra I.S.c,d, Darmawan A.S.e, Liew H.L.f, Ramesh S.f,g, Kadarno P.c, Mohammad M.A.g, Purbolaksono J.c

a School of Civil Engineering, Qingdao University of Technology, Qingdao, 266033, China
b Centre for Infrastructure Engineering, Western Sydney University, 2571, Australia
c Department of Mechanical Engineering, Faculty of Industrial Technology, Universitas Pertamina, Jakarta, 12220, Indonesia
d Department of Aeronautics and Astronautics, Institut Teknologi Bandung, Bandung, 40132, Indonesia
e Department of Mechanical Engineering, Faculty of Engineering, Universitas Muhammadiyah Surakarta, Surakarta, 57162, Indonesia
f Department of Mechanical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur, 50603, Malaysia
g Department of Mechanical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Gadong, BE1410, Brunei Darussalam

[vc_row][vc_column][vc_row_inner][vc_column_inner][vc_separator css=”.vc_custom_1624529070653{padding-top: 30px !important;padding-bottom: 30px !important;}”][/vc_column_inner][/vc_row_inner][vc_row_inner layout=”boxed”][vc_column_inner width=”3/4″ css=”.vc_custom_1624695412187{border-right-width: 1px !important;border-right-color: #dddddd !important;border-right-style: solid !important;border-radius: 1px !important;}”][vc_empty_space][megatron_heading title=”Abstract” size=”size-sm” text_align=”text-left”][vc_column_text]© 2020 Growing Science Ltd. All rights reserved.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.[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Author keywords” size=”size-sm” text_align=”text-left”][vc_column_text][/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Indexed keywords” size=”size-sm” text_align=”text-left”][vc_column_text]Corner crack,DBEM simulation,Fatigue crack growth,Pinhole,Stress intensity factor,Torsion loading[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Funding details” size=”size-sm” text_align=”text-left”][vc_column_text]The authors wish to thank the Ministry of Higher Education, Malaysia for the financial support through the High Impact Research Grant (UM.C/625/1/HIR/MOHE/ENG/33).[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”DOI” size=”size-sm” text_align=”text-left”][vc_column_text]https://doi.org/10.5267/j.esm.2020.3.003[/vc_column_text][/vc_column_inner][vc_column_inner width=”1/4″][vc_column_text]Widget Plumx[/vc_column_text][/vc_column_inner][/vc_row_inner][/vc_column][/vc_row][vc_row][vc_column][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][/vc_column][/vc_row]