American Journal of Mechanical Engineering
ISSN (Print): 2328-4102 ISSN (Online): 2328-4110 Website: https://www.sciepub.com/journal/ajme Editor-in-chief: Kambiz Ebrahimi, Dr. SRINIVASA VENKATESHAPPA CHIKKOL
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American Journal of Mechanical Engineering. 2024, 12(1), 1-9
DOI: 10.12691/ajme-12-1-1
Open AccessArticle

Fatigue Behavior of Copper Under Rotating Bending with Constant Reversed Amplitude

Mohammed Y. Abdellah1, 2, , Mohamed Karama1, Sufyan A. Azam1, Hamzah Alharthi1 and Mohamed K. Hassan1, 3

1Mechanical Engineering Department, College of Engineering and Islamic Architecture, Umm Al-Qura University, Makkah 21955, Saudi Arabia

2Mechanical Engineering Department, Faculty of Engineering, South Valley University, Qena 83523, Egypt

3Production Engineering and Design Department, Faculty of Engineering, Minia University, Minia 61111, Egypt

Pub. Date: January 25, 2024

Cite this paper:
Mohammed Y. Abdellah, Mohamed Karama, Sufyan A. Azam, Hamzah Alharthi and Mohamed K. Hassan. Fatigue Behavior of Copper Under Rotating Bending with Constant Reversed Amplitude. American Journal of Mechanical Engineering. 2024; 12(1):1-9. doi: 10.12691/ajme-12-1-1

Abstract

Fatigue is a type of failure that affects structures that are prone to dynamic and fluctuating stresses, under cyclic loading over a period of time. It is a type of failure that arises due to the repetitive application of stress. The aim of this study is to find fatigue life, endurance limit of copper metal, study the effect of load distribution on the fracture surface under cyclic bending moments, and find the relationship between hardness and fatigue through experimentation analysis under cyclic bending moments. With a load ratio of (Fully Reversal R=-1) and a constant load amplitude of 60 Hz, the fatigue testing technique was used. According to the results of the experiment, it was determined that the endurance fatigue limit for copper was 86 MPa. Also it indicated that with increasing the applied loads, there were more dislocations and micro deformations and the possibility of deformation of the fracture surface increases. the defect size for the specimens was 17115 µm when utilizing the square root of the defect area as the defect parameter.

Keywords:
fatigue copper hardness amplitude

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