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Fatigue of steel components occurs when small cracks form and continue to grow to a size large enough to cause failure. Detecting the cracks and determining whether the cracks will cause failure is very important for developing reliability of steel components. We applied a non-destructive method of in- vestigation and focused on the magnetic fields occurring around the cracks. In our previous study,...
An innovative type of one-point rolling contact fatigue (RCF) machine was developed to investigate crack initiation and propagation in metals. The microstructural changes and propagation of subsurface cracks during rolling contact in specimens tested by using the new device were studied by laser confocal microscope and X-ray diffraction. It was shown that this new method presents several important...
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