Fracture Behaviour of Skin Materials of Civil Airplane Structures

Nesterenko, B. G.; Nesterenko, Grirory I.; Basov, V. N.

doi:10.1007/978-90-481-2746-7_38

Cited by 3 publications

(3 citation statements)

References 2 publications

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“…The surrounding substance is only present on one side of a material's free surface. Because surface grains are less constrained by the grains around them, plastic deformation can occur at a lower stress level than subsurface grains [42].…”

Section: Physics Of Crack Initiationmentioning

confidence: 99%

“…Grain boundaries are other preferred locations for the start of fatigue cracks. Kim and Laird [42,43] investigated the formation of fatigue cracks in high angle grain boundaries in copper polycrystals. They deduced from interferometric measurements that cyclic loading causes steps at grain borders, and the stress concentration created at this step is the source of grain boundary fatigue fracture start.…”

Section: Physics Of Crack Initiationmentioning

confidence: 99%

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Prediction of Fatigue Crack Initiation under Variable Amplitude Loading: Literature Review

Kedir

Lemu

2023

Metals

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Metallic materials are widely employed in engineering constructions, and one of the most common failure mechanisms in metals is fatigue failure. Even though metal fatigue has been studied for almost 160 years, many problems remain unsolved. Fatigue in metal occurs when the metallic material is subjected to varying loads, resulting in failure due to damage accumulation. The fatigue process consists of a buildup of damage that leads to crack initiation, followed by a period of crack growth until the critical flaw size is reached. The sum of a start phase and a propagation phase represents the total life. To better understand the fatigue phenomenon at its different stages and predict the fatigue life, various types of prediction models have been developed and reported in the literature. This paper reviewed the different models that include microstructure scale parameters that can be used to predict how fatigue cracks start under variable amplitude loading, including the Modified Tanaka-Mura Model, Acoustic Second Harmonic Generation, and the Probability of Crack Initiation on Defects. For perfect life prediction under variable amplitude loading, a stress-based approach, a strain-based approach, and a continuum damage mechanics approach are reviewed. The purpose of this paper is to get overview of the current state of approaches to the life prediction of fatigue crack initiation with variable amplitude. Finally, gaps in knowledge about the prediction of fatigue crack initiation under variable loading at high temperatures are pointed out.

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Section: Physics Of Crack Initiationmentioning

confidence: 99%

Section: Physics Of Crack Initiationmentioning

confidence: 99%

Prediction of Fatigue Crack Initiation under Variable Amplitude Loading: Literature Review

Kedir

Lemu

2023

Metals

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“…Figure 2 demonstrates the decreased fatigue resistance due to degradation for the various types of Russian aging aircraft [6]. Here N new test is a fatigue life of new structure; N oper is the time in service, N test is simulated (tested) operation in laboratory.…”

Section: Degradation Of Fatigue and Crack Resistance Characteristics ...mentioning

confidence: 99%

Fatigue and Damage Tolerance of Aging Airplane Structures

Nesterenko

2014

AMR

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The paper highlights key questions in ensuring safe operation of aging civil\transport aircraft in Russia. Presented is the analysis of current requirements to fatigue, fail-safe and damage tolerance for transport aircraft structures stated in FARs, Advisory Circulars (UAS) and Russian Airworthiness Regulations\ AR IAC Aviation Regulations. The paper gives the design goals and actual service life values\ service years of aging aircraft fleet and data on full-scaled fatigue tests, together with methods and approaches to ensure safe operation of aircraft structures in case of multiple site damages, corrosion and materials degradation for Russian aging fleet.

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Production Variables Influencing the Fatigue Behaviour of Riveted Lap Joints

Skorupa¹,

Skorupa²

2012

Solid Mechanics and Its Applications

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Fracture Behaviour of Skin Materials of Civil Airplane Structures

Cited by 3 publications

References 2 publications

Prediction of Fatigue Crack Initiation under Variable Amplitude Loading: Literature Review

Prediction of Fatigue Crack Initiation under Variable Amplitude Loading: Literature Review

Fatigue and Damage Tolerance of Aging Airplane Structures

Production Variables Influencing the Fatigue Behaviour of Riveted Lap Joints

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