OMHT method for weak signal processing of GPR and its application in identification of concrete micro-crack
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Central South University"
DOI: 10.1007/s11771-019-4236-y
Abstract: In the light of the problem of weak reflection signals shielded by strong reflections from the concrete surface, the detection and the recognition of hidden micro-cracks in the shield tunnel lining were studied using the… read more here.
Keywords: omht method; method; signal; micro ... See more keywords
Faceted crack induced failure behavior and micro-crack growth based strength evaluation of titanium alloys under very high cycle fatigue
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Fatigue"
DOI: 10.1016/j.ijfatigue.2019.105369
Abstract: Abstract Very high cycle fatigue properties of titanium alloys under symmetrical and asymmetrical loads were experimentally examined to clarify the failure behavior. An inhomogeneous microstructure zone (IMZ) containing facets is observable. By focused ion beam… read more here.
Keywords: failure behavior; fatigue; growth; micro crack ... See more keywords
Numerical modelling approach for considering effects of surface integrity on micro-crack formation
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Constructional Steel Research"
DOI: 10.1016/j.jcsr.2020.106387
Abstract: Abstract This work studies the simultaneous effects of surface roughness and residual stress on the micro-crack formation under peak load conditions. The manufacturing process of e.g. steel components influences the surface topography and the material… read more here.
Keywords: approach; micro crack; surface integrity;
Effect of a micro-crack on the kinked macro-crack
Sign Up to like & getrecommendations! Published in 2018 at "Theoretical and Applied Fracture Mechanics"
DOI: 10.1016/j.tafmec.2018.04.003
Abstract: Abstract The solution of an infinite plane containing an arbitrarily located micro-crack and a kinked macro-crack is presented based on the distributed dislocation technique (DDT). The stress field, the plastic zone of the macro-crack tip… read more here.
Keywords: macro crack; effect micro; micro crack; crack ... See more keywords
Investigation on the fracture mechanism of homogenized micro-crack crushing technology for portland cement concrete pavement rehabilitation
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DOI: 10.1063/1.5111055
Abstract: The homogenized micro-crack crushing technology for concrete pavement maintenance has received increased attention in China. To study the fracture mechanism of the homogenized micro-crack crushing technology, a low-velocity impact test system is developed and experiments… read more here.
Keywords: homogenized micro; crack crushing; crushing technology; micro crack ... See more keywords