Numerical simulation of fatigue crack growth in friction stir welded T joint made of Al 2024 T351 alloy
Апстракт
The Extended Finite Element Method (xFEM) has been applied to simulate fatigue crack growth in an AA2024-T351 T welded joint, 5 mm thick, made by friction stir welding. The ABAQUS and Morfeo software has been used. Tensile fatigue loading (mean stress 10 MPa, stress ratio R=0) is applied to Tjoints with a configuration suitable for reinforced panels where both skin and the web (reinforcement or stiffener) is made of a high strength AA2024-T351. Crack is introduced in one edge of the skin base material. The properties of materials in the areas of joints and geometry measures of Tjoint are adopted from available experiments. Following numerical results are obtained: crack front coordinates (x, y, z) and stress intensity factors (K-I, K-II, K-III and K-ef) distribution along the crack tip, as well as the fatigue life estimation for every crack propagation step. The main objective of this research is to better understand fatigue behaviour of friction stir welded T joint of AA2024-T351.
Кључне речи:
friction stir welding / fatigue life / fatigue crack growth / extended finite element method / aluminum alloysИзвор:
Procedia Structural Integrity - 21st European Conference on Fracture, (Ecf21), 2016, 2, 3065-3072Издавач:
- Elsevier Science Bv, Amsterdam
DOI: 10.1016/j.prostr.2016.06.383
ISSN: 2452-3216
WoS: 000387976803018
Scopus: 2-s2.0-85021664841
Институција/група
Inovacioni centarTY - CONF AU - Kredegh, Abubakr AU - Sedmak, Aleksandar AU - Grbović, Aleksandar AU - Milošević, Nenad AU - Daničić, Darko PY - 2016 UR - https://machinery.mas.bg.ac.rs/handle/123456789/2307 AB - The Extended Finite Element Method (xFEM) has been applied to simulate fatigue crack growth in an AA2024-T351 T welded joint, 5 mm thick, made by friction stir welding. The ABAQUS and Morfeo software has been used. Tensile fatigue loading (mean stress 10 MPa, stress ratio R=0) is applied to Tjoints with a configuration suitable for reinforced panels where both skin and the web (reinforcement or stiffener) is made of a high strength AA2024-T351. Crack is introduced in one edge of the skin base material. The properties of materials in the areas of joints and geometry measures of Tjoint are adopted from available experiments. Following numerical results are obtained: crack front coordinates (x, y, z) and stress intensity factors (K-I, K-II, K-III and K-ef) distribution along the crack tip, as well as the fatigue life estimation for every crack propagation step. The main objective of this research is to better understand fatigue behaviour of friction stir welded T joint of AA2024-T351. PB - Elsevier Science Bv, Amsterdam C3 - Procedia Structural Integrity - 21st European Conference on Fracture, (Ecf21) T1 - Numerical simulation of fatigue crack growth in friction stir welded T joint made of Al 2024 T351 alloy EP - 3072 SP - 3065 VL - 2 DO - 10.1016/j.prostr.2016.06.383 ER -
@conference{ author = "Kredegh, Abubakr and Sedmak, Aleksandar and Grbović, Aleksandar and Milošević, Nenad and Daničić, Darko", year = "2016", abstract = "The Extended Finite Element Method (xFEM) has been applied to simulate fatigue crack growth in an AA2024-T351 T welded joint, 5 mm thick, made by friction stir welding. The ABAQUS and Morfeo software has been used. Tensile fatigue loading (mean stress 10 MPa, stress ratio R=0) is applied to Tjoints with a configuration suitable for reinforced panels where both skin and the web (reinforcement or stiffener) is made of a high strength AA2024-T351. Crack is introduced in one edge of the skin base material. The properties of materials in the areas of joints and geometry measures of Tjoint are adopted from available experiments. Following numerical results are obtained: crack front coordinates (x, y, z) and stress intensity factors (K-I, K-II, K-III and K-ef) distribution along the crack tip, as well as the fatigue life estimation for every crack propagation step. The main objective of this research is to better understand fatigue behaviour of friction stir welded T joint of AA2024-T351.", publisher = "Elsevier Science Bv, Amsterdam", journal = "Procedia Structural Integrity - 21st European Conference on Fracture, (Ecf21)", title = "Numerical simulation of fatigue crack growth in friction stir welded T joint made of Al 2024 T351 alloy", pages = "3072-3065", volume = "2", doi = "10.1016/j.prostr.2016.06.383" }
Kredegh, A., Sedmak, A., Grbović, A., Milošević, N.,& Daničić, D.. (2016). Numerical simulation of fatigue crack growth in friction stir welded T joint made of Al 2024 T351 alloy. in Procedia Structural Integrity - 21st European Conference on Fracture, (Ecf21) Elsevier Science Bv, Amsterdam., 2, 3065-3072. https://doi.org/10.1016/j.prostr.2016.06.383
Kredegh A, Sedmak A, Grbović A, Milošević N, Daničić D. Numerical simulation of fatigue crack growth in friction stir welded T joint made of Al 2024 T351 alloy. in Procedia Structural Integrity - 21st European Conference on Fracture, (Ecf21). 2016;2:3065-3072. doi:10.1016/j.prostr.2016.06.383 .
Kredegh, Abubakr, Sedmak, Aleksandar, Grbović, Aleksandar, Milošević, Nenad, Daničić, Darko, "Numerical simulation of fatigue crack growth in friction stir welded T joint made of Al 2024 T351 alloy" in Procedia Structural Integrity - 21st European Conference on Fracture, (Ecf21), 2 (2016):3065-3072, https://doi.org/10.1016/j.prostr.2016.06.383 . .