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Yuxuan Xia, Jingxia Yue, Jiankang Lei, Ke Yang and Yordan Garbatov
The welding residual stress re-distribution behavior during fatigue crack propagation in butt-welded high-strength steel plates for ship construction is investigated based on experimental test results and numerical analyses. The specimens? initial weldin...
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Dong Qin, Xu Geng, Zhao Jie and Hu Yaoyu
The traditional study on fatigue strength for ship structures usually focuses on high cycle fatigue and ignores low cycle fatigue. However, given the recent trend towards large-scale ship development, the stress and deformation experienced by ship struct...
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Zhiqiang Xu, Yunxian Cui, Baoliang Li, Ketong Liu, Feiting Shi and Peng Cao
A fatigue test on the failure mode of flange shafts was conducted. The propagation characteristics of the initial crack at the junction between the shaft and the flange as well as its angle effect were studied. This study developed an analysis program of...
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Jingxia Yue, Jiankang Lei, Yordan Garbatov and Ke Yang
Many studies have shown that the linear elastic fracture mechanics (LEFM) method based on the stress intensity factor range (?K) has limitations that cannot be ignored. Due to neglecting the influence of plastic deformation near the crack tip, LEFM shows...
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Yongmei Zhu, Rujun Li and Jiahao Yang
This study focused on the three-dimensional surface crack growth of a spherical pressure shell. Eight maraging steel 18Ni (250) samples were fabricated and tested, and the fatigue crack growth rate curves were obtained. Considering the influence of plast...
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Peter Kote? and Josef Vican
During the years of bridge exploitation, many degradation processes and external influences attack its structure. Therefore, bridge reliability and durability is decreasing in time. On the other hand, the traffic load remains almost the same or even high...
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Jinfeng Liu, Guoqing Feng, Jiaying Wang, Huilong Ren, Wei Song and Panpan Lin
Welding defects are known to cause crack propagation and reduce structural fatigue performance. Based on the Paris theory of fracture mechanics, research is conducted on evaluation methods for analyzing fatigue crack propagation by adopting random loads ...
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Huating Chen, Yifan Zhuo, Yubo Jiao and Weigang Bao
The fatigue safety of cable-girder anchorage structures in cable-stayed bridges under long-term service has attracted much attention. For bridges located in seasonally cold regions, the effect of low-temperature environments should be considered when eva...
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Huile Li and Gang Wu
The presented framework has a potential application of enhanced fatigue assessment of steel railway bridges with respect to fatigue-prone structural details.
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Kai Liu, Fangli Wang, Wei Pan, Le Yang, Shuwei Bai, Qiang Zhu and Mingbo Tong
In order to determine the average behavior time of widespread fatigue damage (WFD) in an aircraft multi-site damage (MSD) structure and complete the fatigue analysis of WFD sensitive parts, this paper adopts a probabilistic method to analyze the crack in...
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Ivana Gledic, Antonio Mikulic and Jo?ko Parunov
Specialized procedures to help in the emergency response situations following ship accidents have been under development by the Classification Societies. Such procedures consider the hull-girder collapse as the most important failure mode, without the po...
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Baijian Wu, Zhaoxia Li, Keke Tang and Kang Wang
Microcracks in concrete can coalesce into larger cracks that further propagate under repetitive load cycles. Complex process of crack formation and growth are essentially involved in the failure mechanism of concrete. Understanding the crack formation an...
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Yusuf O. Busari, Yupiter H. P. Manurung, Martin Leitner, Yusuf L. Shuaib-Babata, Muhd F. Mat, Hassan K. Ibrahim, David Simunek and Mohd Shahar Sulaiman
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 and cr...
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Hongzhang Pan, Yongmei Zhu and Mingjiang Fang
Maraging steel is the material of deep sea pressure equipment. The characteristics of corrosion fatigue crack initiation in 18Ni (250) were investigated by performing a tensile fatigue test under different loading conditions. The mechanism of corrosion f...
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Benny Suryanto,George Staniforth
Pág. 6 - 12
A series of three reinforced concrete beams without shear reinforcement were tested to failure under a centre-span monotonic load, a centre-span pulsating load, and a stepwise-moving pulsating load. During each experiment, load-deflection response was co...
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Vincentius Ewald, Roger M. Groves and Rinze Benedictus
In this paper, we investigated transducer placement strategies for detecting cracks in primary aircraft structures using ultrasonic Structural Health Monitoring (SHM). The approach developed is for an expected damage location based on fracture mechanics,...
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Vincentius Ewald, Roger M. Groves and Rinze Benedictus
In this paper, we investigated transducer placement strategies for detecting cracks in primary aircraft structures using ultrasonic Structural Health Monitoring (SHM). The approach developed is for an expected damage location based on fracture mechanics,...
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Murat Demiral, Fethi Abbassi, Abolfazl Zahedi and Salih Akpinar
Single shear or single lap joints are the most prevalent type of adhesive joints used in advanced engineering applications, where they are exposed to fatigue loadings in their services. Although their mechanical performances under static loading have bee...
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Murat Demiral, Fethi Abbassi, Riaz Muhammad and Salih Akpinar
Bonded joints used in wing sections and frames of aircraft structures are mostly exposed to cyclic loadings instead of static ones during their services. Bending types of dynamic loadings are mostly encountered. In this study, the fatigue response of a s...
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Abdulnaser M. Alshoaibi and Abdullateef H. Bashiri
The objective of this study is to examine the behavior of fatigue crack growth (FCG) in the mixed mode (I/II) of the AISI 316 austenitic stainless steel alloy, considering mode mixity angles of 30°, 45°, and 60°. This particular alloy is widely used in t...
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