Low cycle fatigue behavior of aluminium 6063 alloy under the cyclic frequency of 0.2 Hz

SreeArravind, M.; Kumar, Suresh; Ravishankar, B; Kumar, S. Senthil

doi:10.1016/j.matpr.2019.09.133

Cited by 10 publications

(4 citation statements)

References 8 publications

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“…As the cycling proceeds, the total density tends to reach its equilibrium state, and then the stress amplitude remains almost unchanged. Thus, the cyclic stress response can be divided into three main stages: (i) a rapid initial variation corresponding to 10% of the total life; (ii) a saturated stage that ends at about 90% of the total life; and (iii) a final stage characterized by a rapid drop of the stress amplitude until fatigue failure occurs 47–49 …”

Section: Resultsmentioning

confidence: 99%

Effect of artificial aging time on torsional fatigue life and cyclic behavior of AA6351 aluminum alloy and evaluation of estimation methods

Betemps

Haskel

Barbieri

et al. 2023

Fatigue Fract Eng Mat Struct

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Section: Resultsmentioning

confidence: 99%

Effect of artificial aging time on torsional fatigue life and cyclic behavior of AA6351 aluminum alloy and evaluation of estimation methods

Betemps

Haskel

Barbieri

et al. 2023

Fatigue Fract Eng Mat Struct

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“…As strain amplitude increases, the elastic strain amplitude remains constant while the plastic strain amplitude increases. This suggests that the material primarily dissipates energy due to plastic strain [20].…”

Section: Strain-life Relationshipmentioning

confidence: 99%

Low-cycle fatigue mechanical behavior of 30CrMo steel under hydrogen environment and numerical verification of chaboche model

Guan,

Wang,

et al. 2024

Mater. Res. Express

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In order to investigate the fatigue behavior of the hydrogen storage material, 30CrMo steel, in a hydrogen environment, an electrochemical hydrogen charging method was employed. Low-cycle fatigue experiments were conducted on the material to obtain half-life stress-strain hysteresis curves, cyclic response characteristics, and strain-life relationships under different hydrogen charging durations. The results indicate that the material exhibited an overall cyclic softening behavior, transitioning from ductile fracture to brittle fracture after hydrogen charging, resulting in a significant reduction in fatigue life. The Manson-Coffin formula was fitted based on material cyclic response characteristics and strain-life relationship curves. Additionally, fatigue toughness and Chaboche kinematic hardening models were fitted based on low-cycle fatigue test data. Finite element analysis was used to validate the accuracy and reliability of the Chaboche kinematic hardening model. The Chaboche kinematic hardening model showed minimal error compared to experimental data and accurately described the influence of hydrogen on the low-cycle fatigue mechanical behavior of 30CrMo steel.

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“…Because of its good formability, weldability, and corrosion resistance, 6xxx series aluminum alloy welded joint components are widely used in urban rail, highspeed rail bodies and shells. [4,5]. Welded joint components have a wide range of applications in rails.…”

Section: Introductionmentioning

confidence: 99%

Fatigue Property and Small Crack Propagation Mechanism of MIG Welding Joint of 6005A-T6 Aluminum Alloy

et al. 2022

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In this study, metal inert gas welding (MIG) was applied to 4 mm thick 6005A-T6 aluminum alloy welding. Compared with other parts, the hardness of the weld zone (WZ) was the lowest, about 67 HV. There was the Softening in WZ, which might make WZ the weakest zone. Then, fatigue tests were carried out on MIG welded joints. All the fatigue specimens fractured at the weld toe of the lap joint, and the fracture was characterized by a cleavage fracture. Crack closure induced by oxide was observed during the steady propagation of the fatigue crack. Impurities hindered crack propagation, changed the direction of crack propagation, and appeared in stepped fatigue strip distribution morphology; in the process of the main crack propagation, the initiation and propagation of small cracks were easily restricted and hindered by the main crack, which slowed down the propagation rate and even stopped the propagation directly.

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Low cycle fatigue behavior of aluminium 6063 alloy under the cyclic frequency of 0.2 Hz

Cited by 10 publications

References 8 publications

Effect of artificial aging time on torsional fatigue life and cyclic behavior of AA6351 aluminum alloy and evaluation of estimation methods

Effect of artificial aging time on torsional fatigue life and cyclic behavior of AA6351 aluminum alloy and evaluation of estimation methods

Low-cycle fatigue mechanical behavior of 30CrMo steel under hydrogen environment and numerical verification of chaboche model

Fatigue Property and Small Crack Propagation Mechanism of MIG Welding Joint of 6005A-T6 Aluminum Alloy

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Low cycle fatigue behavior of aluminium 6063 alloy under the cyclic frequency of 0.2 Hz

Cited by 10 publications

References 8 publications

Effect of artificial aging time on torsional fatigue life and cyclic behavior of AA6351 aluminum alloy and evaluation of estimation methods

Effect of artificial aging time on torsional fatigue life and cyclic behavior of AA6351 aluminum alloy and evaluation of estimation methods

Low-cycle fatigue mechanical behavior of 30CrMo steel under hydrogen environment and numerical verification of chaboche model

Fatigue Property and Small Crack Propagation Mechanism of MIG Welding Joint of 6005A-T6 Aluminum Alloy

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Low cycle fatigue behavior of aluminium 6063 alloy under the cyclic frequency of 0.2 Hz