Effect of hot isostatic pressing on fatigue behavior and fracture mechanism of A319 aluminum alloy under uniaxial and nonproportional multiaxial loading conditions

Liao, Yiping; Liu, Xiaoshan; He, Guoqiu; Zhou, Zhiqiang; Huang, Ziao; Pan, Jiaqi; Li, Jingquan; Wang, Qigui

doi:10.1111/ffe.13695

Cited by 4 publications

(4 citation statements)

References 61 publications

(99 reference statements)

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“…In addition, the strain energy of the hysteresis loop is also commonly used to replace the stress or strain as a fatigue parameter. According to the hysteresis energy model proposed by Liao et al, 52 the relationship between hysteresis energy and fatigue life is shown in Equation (6):

W_{s} goodbreak= W_{0} {(N_{f})}^{- 1 / β}

where

W_{s}

is the saturation hysteresis energy (i.e., the area enclosed by the stress–strain hysteresis loops formed during the mid‐life cycles), and

W_{0}

and

β

are material constants, which are the intrinsic fatigue toughness and the damage transition exponent, respectively.…”

Section: Resultsmentioning

confidence: 99%

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Low‐cycle fatigue characteristics and fracture behavior of the die‐forged 2014 aircraft wheel

Shen

Yang

Deng

et al. 2022

Fatigue Fract Eng Mat Struct

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In order to provide a sufficient theoretical basis for the fatigue‐resistant design of the aircraft wheels, strain‐controlled low‐cycle fatigue (LCF) tests were carried out on specimens machined in the extrusion direction (ED) and transverse direction (TD) of die‐forged 2014 aluminum alloy wheels. Although the TD specimens have lower tensile strength and yield strength, the fatigue test results show that the TD specimens have superior fatigue life compared with the ED specimens at total strain amplitudes of 0.5–0.8%. This is predominantly caused by the coarse Al12(MnSi)2(FeCu) intermetallic particles close to the surface layer, which results in a relatively short crack initiation stage for the ED specimens. In contrast, TD specimens with finer and more uniform recrystallized grains exhibit more excellent resistance to fatigue crack initiation (FCI) and propagation (FCP). Moreover, the fatigue life of alloys could be accurately predicted via a Manson–Coffin–Basquin (MCB) model based on total strain.

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W_{s} goodbreak= W_{0} {(N_{f})}^{- 1 / β}

where

W_{s}

is the saturation hysteresis energy (i.e., the area enclosed by the stress–strain hysteresis loops formed during the mid‐life cycles), and

W_{0}

and

β

are material constants, which are the intrinsic fatigue toughness and the damage transition exponent, respectively.…”

Section: Resultsmentioning

confidence: 99%

Section: Fatigue Life Analysismentioning

confidence: 99%

Low‐cycle fatigue characteristics and fracture behavior of the die‐forged 2014 aircraft wheel

Shen

Yang

Deng

et al. 2022

Fatigue Fract Eng Mat Struct

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“…The fatigue life of aluminum alloys is sensitive to the loading path, and the load path sensitivity is influenced by a number of factors, such as the material properties, loading conditions, and microstructure. [12][13][14][15] Already in 1970, Miller et al 16 called attention to the effect of strain rate on the cyclic behavior of materials, emphasizing the need for further research on the cyclic stress-strain curve. Woodthorpe et al 17 Many authors have studied the cyclic behavior of aluminum alloys under various conditions such as heat treatments, anisotropy, strain rate, mean strain, and squeeze casting in stress control tests.…”

Section: Introductionmentioning

confidence: 99%

“…Recently, some research confirmed that the loading path and heat treatment can have a significant effect on the fatigue life and fracture mode of aluminum alloys. The fatigue life of aluminum alloys is sensitive to the loading path, and the load path sensitivity is influenced by a number of factors, such as the material properties, loading conditions, and microstructure 12–15 …”

Section: Introductionmentioning

confidence: 99%

Cyclic behavior of AA2024 aluminum alloy under different loading paths and heat treatments

Mokdad,

May,

Belattar

et al. 2023

Fatigue Fract Eng Mat Struct

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The focus of this study is to investigate the impact of cyclic loading path and temperature on the mechanical behavior of AA2024 aluminum alloy, a material commonly used in the aerospace industry. Our study aims to understand the cyclic evolution of work hardening (isotropic and kinematic) in response to different loading paths: tension‐compression cycles followed by equivalent torsion cycles, and vice versa. We also perform microstructural investigations using a scanning electron microscope (SEM) to gain insights into the evolution of fatigue damage during cyclic loading. By examining these factors, we aim to provide insights into the material's mechanical behavior and anisotropy. This research contributes to improving our understanding of the performance of AA2024 alloy under cyclic loading conditions.

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The influence of hot isostatic pressing on precipitates, mechanical properties of Mg-12Gd-0.8Zn-0.4Zr (wt.%) alloy manufactured by sand casting

Wang,

Ma,

Chen

et al. 2024

Sci Rep

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Microstructures and mechanical properties of Mg-12Gd-0.8Zn-0.4Zr (GZ1208K, wt.%) alloy under different treatments (as-cast: signed as nonHIP-GZ1208K, hot isostatic pressing (HIP): signed as HIP-GZ1208K) were characterized. Based on microstructure characterization, two prismatic precipitates, β′ and β1 precipitates, and one basal precipitate, γ′ precipitate, formed in both of nonHIP-GZ1208K and HIP-GZ1208K alloy. According to analysis, the area number density and the size of β′ precipitate could be adjusted through HIP treatment. The area number density of β′ precipitate increased after HIP treatment when aged at 32 h, and the size of β′ precipitate refined in both of the HIP-GZ1208K alloy aged at 8 h and 32 h. Except the influence of HIP treatment on microstructures, the ultimate tensile strength (UTS) and elongation of nonHIP-GZ1208K alloy also improved after HIP treatment. The UTS of the GZ1208K alloy aged at 8 h increased from 348 MPa (nonHIP-) to 371 MPa (HIP-) and the elongation increased from 2.6% to 4.7%. The density of the nonHIP-GZ1208K alloy increased after HIP treatment, that is to say the casting defects could be eliminated and the compactness of microstructures could be increased under the high pressure of HIP treatment.

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Effect of hot isostatic pressing on fatigue behavior and fracture mechanism of A319 aluminum alloy under uniaxial and nonproportional multiaxial loading conditions

Cited by 4 publications

References 61 publications

Low‐cycle fatigue characteristics and fracture behavior of the die‐forged 2014 aircraft wheel

Low‐cycle fatigue characteristics and fracture behavior of the die‐forged 2014 aircraft wheel

Cyclic behavior of AA2024 aluminum alloy under different loading paths and heat treatments

The influence of hot isostatic pressing on precipitates, mechanical properties of Mg-12Gd-0.8Zn-0.4Zr (wt.%) alloy manufactured by sand casting

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