Design and Fabrication of Fatigue Testing Machine

Kattimani, Mohammed Asif; Khatib, Mohammed Iqbal; Ghori, Mohammed Musa; Sajjad, M.A; Jahangir, Shaik; Baqtaiyan, Hamdaan; Sadiq, Mohd Ayub

doi:10.32628/ijsrset20728

Cited by 3 publications

(2 citation statements)

References 2 publications

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“…Fatigue testing is very important to ensure the safety and reliability of various components used in the medical industry, aerospace industry, oil and gas industries etc. [2] According to a paper by Singh et al on short crack propagation, the samples that are hydrogen charged by electrochemical charging had shown short crack initiation at less number of cycles of loading for the same load stress range. The charged samples also showed a higher rate of FCG in comparison.…”

Section: Fatiguementioning

confidence: 99%

A study of the effect of hydrogen on the fatigue behaviour of metals

Lokhande

Vishwakarma

2022

IOP Conf. Ser.: Mater. Sci. Eng.

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Hydrogen Embrittlement is a phenomenon in which the presence of hydrogen can lead to various detrimental effects on the mechanical properties of the material. These effects include reduction in ductility, delayed fracture under constant loading, increase in fatigue crack initiation and growth rates, and subcritical cracking even below the threshold fracture toughness of the material. Fatigue is one of the most common modes of material nature during the operation of components during their service life. Hence it is very important to study the effect of hydrogen on the fatigue behaviour of steel and find methods for their prevention. This paper deals with the study of hydrogen on various types of fatigue in materials, various factors that affect the susceptibility to HE in fatigue, the effect on the microscopic morphology of the fatigue crack generated and the methods suggested for the prevention of HE in fatigue.

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Section: Fatiguementioning

confidence: 99%

A study of the effect of hydrogen on the fatigue behaviour of metals

Lokhande

Vishwakarma

2022

IOP Conf. Ser.: Mater. Sci. Eng.

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“…In their work, Rajesh and Saravanan [5] develop an economical device for fatigue testing of materials with 95% efficiency. The authors emphasize the simplicity of its modeling of the device and ease of understanding [6][7][8]. More than one sample can be tested simultaneously on the material fatigue tester.…”

Section: Introductionmentioning

confidence: 99%

Development of Devices for Testing Dynamic Durability of Materials

Kostić¹,

Živković²,

Ivanović³

et al. 2022

MVM

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Many automotive parts are exposed to complex dynamic stresses during their exploitation. For the design of such elements as shafts, axles, etc., it is necessary to perform fatigue testing in order to obtain permanent dynamic strength of the part. For the purposes of such tests, a device has been developed that provides the possibility of dynamic testing of parts loaded only by torsion, only on bending or parts that are loaded with combined bending and torsional stress. The device provides the possibility of testing cylindrical workpieces. The obtained experimental data show that the maximum error of measuring the dynamic strength of materials at complex stresses is 5%.

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Design and Experimental Study of a Down-Drive Piezoelectric High-Frequency Fatigue Testing Machine

Zhang,

Yang,

Liu

2024

Applied Sciences

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In order to solve the problem of large dynamic load and low loading accuracy prevailing in traditional fatigue testing machines, and to meet the fatigue test loading demand of alternating small-load microelectromechanical devices and bionic devices, a high-frequency resonant piezoelectric fatigue tester that can apply alternating small loads in the range of 0.1 N~100 N was designed and manufactured, with a piezoelectric oscillator as the driving source of the system. Firstly, the structure of this fatigue testing machine is designed, and a dynamic model is established for the fatigue testing machine to theoretically study the influence of the system mass and stiffness on the change in the resonance frequency of the fatigue testing machine. Then, numerical calculations and experiments are carried out to verify the effect of system mass and stiffness changes on the intrinsic frequency of the fatigue testing machine. Finally, the fatigue testing machine was used to carry out fatigue test on the dog-bone-shaped specimens, and the failure process of specimen fatigue was verified by analysing the load applied to the specimen by the fatigue testing machine, and at the same time, it was proved that the performance of the present fatigue testing machine complied with the requirements. It provides a new technical means to meet the fatigue test loading demand of small-load electromechanical devices and bionic devices.

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Design and Fabrication of Fatigue Testing Machine

Cited by 3 publications

References 2 publications

A study of the effect of hydrogen on the fatigue behaviour of metals

A study of the effect of hydrogen on the fatigue behaviour of metals

Development of Devices for Testing Dynamic Durability of Materials

Design and Experimental Study of a Down-Drive Piezoelectric High-Frequency Fatigue Testing Machine

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