Fatigue life prediction of butt weld joint with weld defects at multiple locations

Gnanasigamony Thankareathenam, Ebron Shaji (avtor), Venugopal, Prabhu Raja (avtor), Velayudhan, Gautham (avtor), Selvakumar, Mohanraj (avtor)

A numerical model developed using finite element software is used to determine the fatigue life of an arc-welded butt joint with weld defects: lack of penetration, lack of fusion, and undercut, which occur predominantly in welded structures. High-strength, tempered, and quenched fine grain ASTM A517 grade F structural steel, widely used in welded structures, is selected as the base material. The finite element analysis approach adopted in the present work is validated using the experimental and analytical results by performing a benchmark study. The validated numerical approach is then used to generate datasets for developing an empirical model for predicting the fatigue life of a butt joint with defects, modelled as cracks at specific locations, subjected to bending and/or membrane stresses. An experimental investigation was undertaken to validate the empirical model. The influencing parameters are ranked based on their severity on the fatigue life of butt joint.

• Jezik: Angleški jezik
• Ključne besede: butt joint, weld defects, fatigue loading, fatigue life
• Vrsta gradiva: Članek v reviji
• Tipologija: 1.01 - Izvirni znanstveni članek
• Organizacija: FS - Fakulteta za strojništvo
• Status publikacije: Objavljeno
• Različica publikacije: Objavljena publikacija
• Datum objave: 01.01.2022
• Leto izida: 2022
• Št. strani: Str. 350-358
• Številčenje: Vol. 68, no. 5
• PID: 20.500.12556/RUL-137286
• UDK: 539.422.24
• ISSN pri članku: 0039-2480
• DOI: 10.5545/sv-jme.2021.7536
• COBISS.SI-ID: 111038211
• Datum objave v RUL: 09.06.2022

Gradivo je del revije

• Naslov: Strojniški vestnik
• Skrajšan naslov: Stroj. vestn.
• Založnik: Zveza strojnih inženirjev in tehnikov Slovenije [etc.], = Association of Mechanical Engineers and Technicians of Slovenia [etc.
• ISSN: 0039-2480
• COBISS.SI-ID: 762116

Licence

• Licenca: CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
• Povezava: http://creativecommons.org/licenses/by/4.0/deed.sl
• Opis: To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.
• Začetek licenciranja: 24.02.2022

Sekundarni jezik

• Jezik: Slovenski jezik
• Naslov: Napovedovanje časovne trdnosti sočelnih zvarov z napakami na več mestih
• Ključne besede: sočelni spoji, napake v zvarih, rast razpok, utrujenostne obremenitve, časovna trdnost