Zhongyu Cui - Google
The effect of crack tip environment on crack growth behaviour of a low alloy steel at cathodic potentials in artificial seawater Y Li, Z Liu, E Fan, Z Cui, J Zhao Journal of Materials Science & Technology 54, 119-131 , 2020Why are hardenable grades of steel susceptible to corrosion?In addition, weldments in hardenable higher strength grades of steel can be susceptible to preferential corrosion when immersed, so that in regions where loss of coating can occur through abrasion, impact or wear, additional effort is required to ensure preferential corrosion will not take place.See all results for this questionWhat causes corrosion in low alloy steels?The issues influencing the corrosion performance of welded carbon and low alloy steels, corrosion resistant alloys and aluminium alloys are presented. Possible issues related to wet underwater repair welds for permanent solutions are highlighted.See all results for this question
The effect of crack tip environment on crack growth crack growth behaviour of e690 steel in artificial Assembling
The environment at crack tip and its effect on the crack growth behaviour of low alloy steel- E690 steel were studied at cathodic potentials in artificial seawater. The results showed that the micro environment at crack tip and crack growth behaviour were related to the electrochemical reactions at crack tip, which were affected by the stress state and applied potentials.Cited by: 4Publish Year: 2020Author: Yong Li, Zhiyong Liu, Zhiyong Liu, Endian Fan, Zhongyu Cui, Jinbin ZhaoThe effect of crack tip environment on crack growth crack growth behaviour of e690 steel in artificial AssemblingOct 01, 2020 · The crack growth behaviour of E690 steel in artificial seawater was studied under cyclic loading, with the tests according to ASTM E647 . Fig. 1(a) and (b) shows the schematic diagram of equipment and the dimensions of the compact tension (CT) specimen used in the test. An electrochemical workstation with a traditional three-electrode system was used to apply cathodic Cited by: 4Publish Year: 2020Author: Yong Li, Zhiyong Liu, Zhiyong Liu, Endian Fan, Zhongyu Cui, Jinbin ZhaoStress Corrosion Cracking of Simulated Weld Heat-Affected crack growth behaviour of e690 steel in artificial AssemblingMar 28, 2020 · The stress corrosion cracking (SCC) of a simulated weld heat-affected zone (HAZ) in X100 pipeline steel in a carbonate/bicarbonate solution was studied at the open-circuit potential (OCP) and various cathodic potentials. Microstructure of the weld HAZ was simulated by Gleeble processing. Results showed that the steel had a higher sensitivity to SCC at the OCP than at the cathodic potentials.
Stress Corrosion Cracking of 2205 Duplex Stainless Steel crack growth behaviour of e690 steel in artificial Assembling
Aug 19, 2020 · The stress corrosion cracking (SCC) of 2205 duplex stainless steels (DSSs) with different microstructures in simulated sea environments were studied by electrochemical measurements, electron backscattered diffraction and slow strain rate tensile tests. Heat treatments were used to obtain different microstructures. The DSSs were held at 1350 and 850 °C for 30 min and then quenched in the water.Life extension of self-healing polymers with rapidly crack growth behaviour of e690 steel in artificial AssemblingApr 22, 2007 · A careful examination of the fatigue fracture surfaces as shown in figure 7 reveals that in regions of the crack plane where there is reduced catalyst concentration (due to the non-uniform dispersion of the catalyst), the crack growth rate is accelerated, and in areas where there is high catalyst concentration, the surface is covered with poly-DCPD, the crack growth is retarded and, in some Journal of Chinese Society for Corrosion and protectionThe corrosion behavior and stress corrosion cracking (SCC) of 35CrMo steel were examined respectively by means of electrochemical measurements and slow strain rate tensile test in an artificial solution with various concentration of H 2 S, which aimed to simulate the drilling well environments at oil field. It is shown that 35CrMo steel exhibits a susceptibility to SCC in hydrogen sulfide crack growth behaviour of e690 steel in artificial Assembling
How does welding affect the performance of carbon steel?
Whilst welding can have significant influence upon the corrosion performance of materials, for carbon steels exposed to marine environments, it is recognised that best practice in mitigation of general corrosion through coatings, cathodic protection or inhibition will usually also avoid any enhanced attack at weldments.See all results for this questionFracture of Soft Foam Solids: Interplay of Visco- and crack growth behaviour of e690 steel in artificial AssemblingFracture mechanical properties of a very soft solidified foam of polyethylene with Youngs modulus about 1 MPa are studied by changing stretching velocity in a wide range, by using sheets of the material in order to suppress finite-size effects. Unexpectedly, we find that the fracture can be described well by linear elastic fracture mechanics for a given fracture rate in the wide range.Some results are removed in response to a notice of local law requirement. For more information, please see here.Fracture behavior of all-ceramic, implant-supported, and crack growth behaviour of e690 steel in artificial AssemblingDec 02, 2017 · Objectives In vitro investigation of the effects of fixed dental prosthesis (FDP) support and loading conditions on the fracture behavior of all-ceramic, zirconia-based FDP veneered with computer-aided design/computer-aided manufacturing (CAD/CAM)-manufactured lithium disilicate ceramic. Materials and methods Based on a model for a 3-unit FDP in the molar region (tooth in region 15,
Fatigue in Adhesively Bonded Joints: A Review
At test temperature of 40°C, for high crack growth rates the fatigue behaviour was insensitive to moisture, while for low crack growth rates close to the threshold it became more sensitive. It was also concluded that at higher crack growth rates the fatigue performance was degraded due to only the effect of temperature, while at low crack growth rates it was degraded due to the effect of moisture.Environmental Stability and Residual Stresses in Zirconia crack growth behaviour of e690 steel in artificial AssemblingJun 03, 2015 · The objective of this study was to compare the low temperature degradation (LTD) behavior of femoral heads made of 3Y-TZP as observed on retrievals with that induced in vitro upon prolonged exposures to a hydrothermal environment. The time-dependent evolution of tetragonal-to-monoclinic transformation and the related residual stresses were nondestructively monitored by Effects of cathodic polarization on corrosion fatigue life crack growth behaviour of e690 steel in artificial AssemblingAbstract Effects of cathodic polarization on corrosion fatigue life of E690 steel in simulated seawater were studied by carried out electrochemical measurements and corrosion fatigue tests under different cathodic potentials. The results show that effects of cathodic polarization on corrosion fatigue life are different with different stress levels.
Effect of cathodic potential on stress corrosion cracking crack growth behaviour of e690 steel in artificial Assembling
In this work, the stress corrosion cracking (SCC) behavior of E690 steel base metal (BM) and different heat-affected zone (HAZ) microstructures, i.e., coarse grain HAZ (CGHAZ), fine grain HAZ (FGHAZ), and intercritical HAZ (ICHAZ), was investigated at different cathodic potentials in artificial seawater by slow strain rate tensile tests, scanning electron microscopy and electron back-scattered Effect of Different Forms of Application of a Laser crack growth behaviour of e690 steel in artificial AssemblingSep 06, 2019 · This work analyzes the effect of surface-localized laser heating treatment on the fatigue crack growth (FCG) rate on region II of the sigmoidal da/dN × K curve of an aerospace-grade AA6013-T4 aluminum alloy sheet with 1.3 mm thickness. The influence on microstructure changes is also evaluated. Aiming to improve the FCG resistance without changing the mechanical behavior of the Effect of AC Current Density on the Stress Corrosion crack growth behaviour of e690 steel in artificial AssemblingOct 29, 2019 · The Effect of AC on the SCC Behavior and Mechanism of E690 Steel. Results shows AC application enhances SCC susceptibility significantly. This influence is mainly ascribed to localized AD and hydrogen effects. As for localized AD, it is accelerated on AC conditions and becomes more severe as AC current density increases.
Development of Fatigue Crack Growth Prediction Model in crack growth behaviour of e690 steel in artificial Assembling
May 21, 2018 · In order to investigate influence of reactor coolant environment on crack initiation and crack growth, two-step replica observations were conducted for environmental fatigue test specimens (type 316 stainless steel) subjected to three kinds of strain range. Crack initiation, growth, and coalescence were observed in the experiments.Crack growth behaviour of E690 steel in artificial crack growth behaviour of e690 steel in artificial AssemblingMar 01, 2020 · The crack growth behaviour of E690 steel is influenced by the seawater pH. As seawater pH decreases from 8.23.0, the CGR first decreases, then increases, with the lowest CGR at seawater pH 4.0. (2) The acidification occurs at the crack tip.Cited by: 6Publish Year: 2020Author: Yong Li, Zhiyong Liu, Zhiyong Liu, Wei Wu, Xiaogang Li, Jinbin ZhaoCorrosion of welded components in marine environments crack growth behaviour of e690 steel in artificial AssemblingAluminium alloys in the 5xxx series of Al-Mg alloys are readily weldable, have good corrosion resistance in marine conditions, but with higher Mg content cold work and ageing can lead to sensitisation to SCC. Alloy 5083 can be used in marine environments without coatings etc provided it is not sensitised to corrosion. The study assessed the performance of welds in alloy 5454 (2.6%Mg) and 5083 (4.6%Mg) produced by MIG weSee more on twi-global crack growth behaviour of e690 steel in artificial Assembling
Corrosion Science | Vol 164, March 2020 | ScienceDirect crack growth behaviour of e690 steel in artificial Assembling
Effect of rare earth elements on high temperature oxidation behaviour of austenitic steel Zhibin Zheng, Shuai Wang, Jun Long, Juan Wang, Kaihong Zheng Article 108359Comparative study on corrosion fatigue behaviour of high crack growth behaviour of e690 steel in artificial AssemblingAug 01, 2020 · Abstract In this study, corrosion fatigue (CF) behaviour of E690 steel and simulated heat-affected zone (HAZ) microstructures were investigated in a SO 2 -polluted marine atmosphere. Results revealed that E690 steel and simulated HAZ microstructures were all susceptible to CF cracking in this environment with transgranular fracture.Cited by: 2Publish Year: 2020Author: Hongchi Ma, Jinbin Zhao, Yi Fan, Yunhua Huang, Zhiyong Liu, Cuiwei Du, Xiaogang LiBone Mechanical Properties in Healthy and Diseased StatesJun 04, 2018 · 2.1.1. Basic material properties . The material behavior of cortical bone is anisotropic. The strength and tensile/compressive moduli of cortical bone along the longitudinal direction (the direction aligned with the diaphyseal axis) are greater than those along the radial and circumferential directions (Table 1).Comparatively small differences in these properties have been observed in the crack growth behaviour of e690 steel in artificial Assembling