Creating Fatigue Curve for Steel Machine Elements Using Fatigue Test Method with Gradually Increasing Stress Amplitude

Authors

  • Nguyen Dinh Dung Faculty of Mechanical Engineering - Mechatronics, Phenikaa University
  • Vu Le Huy Faculty of Mechanical Engineering - Mechatronics, Phenikaa University https://orcid.org/0000-0003-3406-4005
  • Hoang Van Bao School of Mechanical Engineering, Hanoi University of Science and Technology

DOI:

https://doi.org/10.15625/2525-2518/58/3/14394

Keywords:

fatigue curve, fatigue test, stress, lifetime, gradually increasing amplitude

Abstract

In order to create a fatigue curve, the traditional fatigue test method is applied to specimens using a cyclic stress with constant amplitude. However, this method has disadvantages such as the experimental results could not be used because of specimens broken before reaching the expected stress amplitude, or the tests may be stopped before specimen broken because of limitation of time. To overcome this hurdle of the traditional method, a new experimental method using cyclic stress with gradually increasing amplitude was proposed to build the fatigue curve for steel machine elements.

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Published

2020-05-12

Issue

Section

Mechanical Engineering - Mechatronics