Results 11 to 20 of about 75,430 (252)

Very High Cycle Fatigue of Welds: A Review

Metals, 2023
The design life of welded structures and components extends into the very high cycle fatigue (VHCF) regime across various applications. However, the availability of data on the fatigue behaviour of welded joints in the VHCF regime is limited ...
Andrew England, Athanasios Toumpis, Yevgen Gorash   +2 more
doaj   +4 more sources

Investigation of very high cycle fatigue by thermographyc method [PDF]

Fracture and Structural Integrity, 2014
Nowadays, many components and structures are subjected to fatigue loading with a number of cycles higher than 107. In this scientific work, the behaviour of two kinds of tool steel was investigated in very high cycle fatigue regime.
V. Crupi, G. Epasto, E. Guglielmino, G. Risitano   +3 more
doaj   +4 more sources

Evaluation of Lower Limit of Fatigue Strength in High Cycle and Very High Cycle Fatigue Regime. [PDF]

Materials (Basel)
In this paper, very high cycle fatigue (VHCF) strengths are first evaluated for the TC17 titanium alloy and the welding joint of the 6005A-T6 aluminum alloy using the up-and-down method (UDM) and continuous testing method (CTM). Then, the influence of the sample size on the lower limit of the high cycle and VHCF strength (107, 108 and 109 cycles) is ...
Wang S, Zhang Y, Gao Y, Sun C.
europepmc   +4 more sources

Very High Cycle Fatigue and Fatigue Crack Growth of Steels: A Review

Applied Sciences
This review presents a comprehensive examination of the total fatigue life behaviour of high-strength steels (HSS) with particular emphasis on fatigue crack initiation in the very high cycle fatigue (VHCF) regime and crack propagation based on fracture ...
Monisha Manjunatha, Yevgen Gorash, Tugrul Comlekci, Lewis Milne, Donald Mackenzie   +4 more
doaj   +3 more sources

Crack initiation mechanisms and life prediction of GH4169 superalloy in the high cycle and very high cycle fatigue regime

Journal of Materials Research and Technology, 2023
In this study, the high cycle and very high cycle fatigue behavior of the GH4169 superalloy was investigated. The results of the fatigue tests demonstrated that failures in the high cycle fatigue regime were initiated from the material surface, whereas ...
Zhi Qin, Bin Li, Chen Chen, Tianyue Chen, Rui Chen, Han Zhang, Hongqian Xue, Changfeng Yao, Liang Tan   +8 more
doaj   +3 more sources

Redesigning axial-axial (biaxial) cruciform specimens for very high cycle fatigue ultrasonic testing machines [PDF]

Heliyon, 2017
The necessity to increase performances in terms of lifetime and security in mechanical components or structures is the motivation for intense research in fatigue. Applications range from aeronautics to medical devices.
Diogo Montalvão, Andrew Wren
doaj   +2 more sources

Titanium Alloy Materials with Very High Cycle Fatigue: A Review [PDF]

Materials (Basel)
As the reliability and lifespan requirements of modern equipment continues to escalate, the problems with very high cycle fatigue (VHCF) has obtained increasingly widespread attention, becoming a hot topic in fatigue research. Titanium alloys, which are the most extensively used metal materials in the modern aerospace industry, are particularly prone ...
Wu Y, He W, Ma H, Nie X, Liang X, Pan J, Wang S, Shang M, Cheng L.   +8 more
europepmc   +3 more sources

Scaling of damage mechanism for additively manufactured alloys at very high cycle fatigue [PDF]

Scientific Reports
A comparative analysis of fracture mechanisms in high- and very high- cycle fatigue (HCF, VHCF) regimes was carried out based on the results of multifractal analysis of the fracture surfaces of additively manufactured 316L stainless steel samples.
B. S. Voloskov, M. V. Bannikov, Y. V. Bayandin, O. B. Naimark, I. V. Sergeichev   +4 more
doaj   +2 more sources

A microplasticity evaluation method in very high cycle fatigue [PDF]

International Journal of Fatigue, 2017
Abstract This paper is concerned with an application of full-field calorimetric method for the microplasticity evaluation in the very high cycle fatigue regime. The employed method is essentially based on the establishment of an experimental energy balance during the fatigue process.
X G Wang, C Jiang
exaly   +2 more sources

Development of a Very High Cycle Fatigue (VHCF) multiaxial testing device [PDF]

Fracture and Structural Integrity, 2016
The very high cycle region of the S-N fatigue curve has been the subject of intensive research on the last years, with special focus on axial, bending, torsional and fretting fatigue tests.
M. Vieira, M. de Freitas, L. Reis, A. M. R. Ribeiro   +3 more
doaj   +2 more sources