Zobrazeno 1 - 10
of 18
pro vyhledávání: '"David Simunek"'
Autor:
Yusuf O. Busari, Yupiter H. P. Manurung, Martin Leitner, Yusuf L. Shuaib-Babata, Muhd F. Mat, Hassan K. Ibrahim, David Simunek, Mohd Shahar Sulaiman
Publikováno v:
Applied Sciences, Vol 12, Iss 5, p 2641 (2022)
This research presents the numerical evaluation of fatigue crack growth of structural steels S355 and S960 based on Paris’ law parameters (C and m) that are experimentally determined with a single edge notched tension (SENT) specimen using optical
Externí odkaz:
https://doaj.org/article/4f4941716bb24ef79f7cecb7d916edb5
Publikováno v:
Metals, Vol 9, Iss 2, p 184 (2019)
This paper deals with experimental fatigue crack propagation in rotating bending loaded round bar specimens as well as an analytical and numerical analysis of the residual lifetime. Constant amplitude (CA) load tests are performed with the surface cr
Externí odkaz:
https://doaj.org/article/c196b63ed3854c61babfca40fc6e3c4d
Publikováno v:
Metals, Vol 9, Iss 2, p 156 (2019)
This work investigates overload-induced retardation effects for semi-elliptically cracked steel round bars. The specimen geometry equals the shaft area of a 1:3 down-scaled railway axle and the material is extracted from railway axle blanks made of E
Externí odkaz:
https://doaj.org/article/02c861719ebd4f5daf560a29d8434151
Publikováno v:
Lecture Notes in Mechanical Engineering ISBN: 9783031073045
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0c5f7e24971c3ef77e1b35d550bedcc6
https://doi.org/10.1007/978-3-031-07305-2_49
https://doi.org/10.1007/978-3-031-07305-2_49
Beside well-known influence factors like residual stresses, component and crack geometry also load sequence effects significantly impact the crack propagation rate. In this paper two major load sequence effects, namely overloads and small loads, and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0843b17914d984f06b9468dc354c5759
https://publica.fraunhofer.de/handle/publica/262436
https://publica.fraunhofer.de/handle/publica/262436
Publikováno v:
International Journal of Fatigue. 117:21-26
Within this work the influence of oxide particle transport during fatigue loading on the fatigue propagation rate was investigated in detail by means of load-shedding tests in the near threshold region (crack propagation rate between 0.1 and 10 nm pe
Publikováno v:
Advances in Engineering Software. 120:96-106
Post-treatment methods enhance the fatigue strength of welded high-strength steel joints significantly. In industrial applications, one commonly applied technique is the high frequency mechanical impact (HFMI) treatment. Attained local benefits incre
Publikováno v:
Procedia Structural Integrity. 4:27-34
Assessment of railway axles requires a detailed analysis of the crack driving mechanisms in the component. Therefore, experimental investigations are performed to determine input parameters for analytical and numerical calculations and analyze materi
Autor:
Hans-Peter Gänser, Reinhard Pippan, Martin Rieger, Martin Leitner, David Simunek, Franz Josef Weber
Publikováno v:
International Journal of Fatigue. 133:105421
The issue of transferability of crack propagation parameters from small-scale specimens up to real-scale components is investigated. Crack growth material parameters are determined based on single edge notched bending SE(B) specimen tests and the cra
Autor:
Andreas Deisl, Norbert Enzinger, Martin Rieger, Christian Moser, Franz Josef Weber, Hans-Peter Gänser, Reinhard Pippan, Peter Brunnhofer, David Simunek
Publikováno v:
International Journal of Fatigue. 132:105360
A wheel-set axle is located in the unsprung part of a rail vehicle and takes a supporting role in the running gear. If the wheel-set axle fails, the train will inevitably derail. Depending on the time of failure, this can lead to catastrophic consequ