Test Stand for Analysis of Fatigue Crack Propagation under Bending with Torsion

Grzegorz Gasiak; Grzegorz Robak

doi:10.4028/www.scientific.net/SSP.144.90

Paper Titles

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Assessment of Dynamical Properties of Die Hammer MPM 10000 B Considering Deformations of Working Material
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Control of Operational Motions of a Mobile Crane under a Threat of Loss of Stability
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Weak Interactions between Objects Used as New Diagnostic Signals in the Detection of Pipeline Leakages
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Test Stand for Analysis of Fatigue Crack Propagation under Bending with Torsion
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Analysis of Timings in Networks that Use TCP/IP or UDP/IP Protocols for Communication with Industrial Controllers in Mechatronic Systems
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Constitutive Models of Vascular Tissue
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Application of Modern E-Learning Techniques in the Vocational Training in Automation and Robotics
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Wavelet Analysis of Barkhausen Noise in Reconstructing Distributions of Residual Stress
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Test Stand for Analysis of Fatigue Crack Propagation under Bending with Torsion

Abstract:

The paper presents a test stand for measurements of fatigue crack propagation. The stand includes a fatigue machine MZGS–100 and a device for registration of the crack length. The test stand is equipped with a stereoscopic microscope with fluent magnification of 7× – 67.5×. The microscope can be applied for observation of fatigue crack development. The microscope is also equipped with a digital camera, which enables continuous observation of fatigue crack development on the computer monitor and it is not necessary to stop the machine. The test results obtained at this stand can be used for determination of fatigue life and fatigue crack propagation rate.