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Fatigue behaviour of G20Mn5QT cast steel and butt welds

Zhang,Yunfeng Department of Civil Environmental

Fatigue of welded steel structures and numerical modeling of metal fatigue life and ultra-low-cycle fatigue induced fracture; Zhang,L.,Liu,H.,Zhang,Z.,and Li,R.(2018).Ductility and energy dissipation behavior of G20Mn5QT cast steel shear link beams under cyclic loading. Journal of Constructional Steel Research,149,64-77.Traction structural stress analysis of fatigue behaviors Jan 01,2020 Fatigue behaviour of G20Mn5QT cast steel and butt welds#0183;At present,test on full-scale welded cast steel joints can be difficult to implement [8,18] due to the size restriction of this kind of welded cast steel joint,thus fatigue researches of welded cast steel joints are mainly restricted in lab-scale test specimens sliced from full-scale welded cast steel joints [,,,],as shown in Fig.2(a).Traction structural stress analysis of fatigue behaviors Jan 01,2020 Fatigue behaviour of G20Mn5QT cast steel and butt welds#0183;At present,test on full-scale welded cast steel joints can be difficult to implement [8,18] due to the size restriction of this kind of welded cast steel joint,thus fatigue researches of welded cast steel joints are mainly restricted in lab-scale test specimens sliced from full-scale welded cast steel joints [,,,],as shown in Fig.2(a).

The effect of pit size and density on the fatigue

Jun 25,2018 Fatigue behaviour of G20Mn5QT cast steel and butt welds#0183;Qinghua Han,Xin Wang,Yan Lu,Effect of corrosion on the fatigue behaviour of butt welds of G20Mn5QT cast steel and Q345D hot rolled steel in 3.5wt% NaCl solution,Fatigue Fracture of Engineering Materials Structures,10.1111/ffe.13337,0,0,(undefined).The Effect of Ultrasonic Peening Treatment on Fatigue Ultrasonic peening treatment (UPT) as a method of severe plastic deformation was used to treat cruciform welded joints of Q345 steel.The application of UPT achieves material surface nanocrystallization of the peening zone,reduces stress concentration,and produces residual compressive stresses at the welded toe.Micro-structure,hardness,stress relief,S-N curve,and the fatigueStructural Steel Connections,Joints Details 6430 AWS D1.1 Structural Welding Code 6500 6510 Nondestructive Testing Methods 6520 AWS D1.1 Structural Welding Code Tests 6600 6610Steel Construction BMA Engineering,Inc. 6000 1 6620/6630 NUREG0800 / RG 1.94 6300.Design 6320.Structural Steel

Some results are removed in response to a notice of local law requirement.For more information,please see here.Previous123456NextExperimental and Numerical Study on the Capability

Although it is a scale model test,the thickness of the test specimen in this experiment is still up to 150 mm.It is rare in cast-steel joints.In existing researches,most of the cast-steel joints do not have a thick cross section.Only few researches are about the thick cast-steel joints,and the thickness is no more than 80 mm.Existing research also advises that the thickness of the joint Some results are removed in response to a notice of local law requirement.For more information,please see here.12345NextFatigue of girth butt weld for cast steel node connection Aug 16,2013 Fatigue behaviour of G20Mn5QT cast steel and butt welds#0183;The girth butt welds in the joint are the critical parts under fatigue loading.This study presents a fatigue life evaluation of the girth butt welds for the cast steel node connections,which are in a steel tower structure on an offshore platform under heavy wave fatigue loadings.The refined node FEM model is built including the welds.Some results are removed in response to a notice of local law requirement.For more information,please see here.

Qi Guo's research works Tianjin University,Tianjin (tju

A total number of 44 fatigue tests were conducted under total stain control,26 for G20Mn5QT cast steel and 18 for butt welds between G20Mn5QT cast steel and Q345B steel.Qi Guo's research works Tianjin University,Tianjin (tju A total number of 44 fatigue tests were conducted under total stain control,26 for G20Mn5QT cast steel and 18 for butt welds between G20Mn5QT cast steel and Q345B steel.International Journal of Steel Structures,Volume 16 Mar 01,2016 Fatigue behaviour of G20Mn5QT cast steel and butt welds#0183;Fatigue behaviour of G20Mn5QT cast steel and butt welds with Q345B steel.Qinghua Han,Qi Guo,Yue Yin,Ying Xing Pages 139-149.OriginalPaper.A simplified method for free vibration analysis of cable-stayed bridges.Jin Cheng,Fenghui Dong Pages 151-162.OriginalPaper.

International Journal of Steel Structures,Volume 16

Fatigue behaviour of G20Mn5QT cast steel and butt welds#0183;This article showcases details on enumerative information of dissimilar aluminum (Al) to steel welds manufactured using different friction-based welding processes with an emphasis on the description of the manufacturing process,influence of parameters,microstructural variations,formation of intermetallic compounds (IMCs),and variations in mechanical properties.Fracture toughness research of G20Mn5QT cast steel based Jan 10,2020 Fatigue behaviour of G20Mn5QT cast steel and butt welds#0183;G20Mn5QT cast steel is a low carbon alloy steel described in European Standard E10293 .The mechanical properties of G20Mn5QT cast steel are similar to those of Q345,S355 and A572 steels,which are extensively used in China,Europe and America respectively ,.This material is mainly used in bridges,ocean and offshore engineering structures,such as oil drilling platforms in theFatigue crack propagation near the interface between Al Sep 01,2020 Fatigue behaviour of G20Mn5QT cast steel and butt welds#0183;The fatigue properties of butt FSW ,or lap FSSW ,joints of dissimilar Al/steel welds had been studied,in which dissimilar butt FSW joints had lower fatigue strengths than Al parent metal.From the view point of damage tolerance fatigue design,it is also important to understand the fatigue crack propagation (FCP) behaviour in the FSW joints.

Fatigue crack propagation near the interface between Al

Sep 01,2020 Fatigue behaviour of G20Mn5QT cast steel and butt welds#0183;The fatigue properties of butt FSW ,or lap FSSW ,joints of dissimilar Al/steel welds had been studied,in which dissimilar butt FSW joints had lower fatigue strengths than Al parent metal.From the view point of damage tolerance fatigue design,it is also important to understand the fatigue crack propagation (FCP) behaviour in the FSW joints.Fatigue behaviour of G20Mn5QT cast steel and butt welds Fatigue behaviour of G20Mn5QT cast steel and butt welds#0183;In this paper,the corrosion behavior of the G20Mn5QT cast steel and butt weld with Q345D steel is tested.The corrosion morphology and corrosion mechanism are further investigated.The main conclusions are summarized as follows.1) The microstructure of G20Mn5QT cast steel,weld zone and the HAZ is observed by scanning electron microscopy (SEM).Experimental and Numerical Study on the Capability Although it is a scale model test,the thickness of the test specimen in this experiment is still up to 150 mm.It is rare in cast-steel joints.In existing researches,most of the cast-steel joints do not have a thick cross section.Only few researches are about the thick cast-steel joints,and the thickness is no more than 80 mm.Existing research also advises that the thickness of the joint

Effects of strain ratio on fatigue behavior of G20Mn5QT

Han Q,Guo Q,Yin Y et al.Fatigue behaviour of G20Mn5QT cast steel and butt welds with Q345B steel[J].International Journal of Steel Structures,2016,16(1) 139149.Article Google ScholarEffects of strain ratio on fatigue behavior of G20Mn5QT Han Q,Guo Q,Yin Y et al.Fatigue behaviour of G20Mn5QT cast steel and butt welds with Q345B steel[J].International Journal of Steel Structures,2016,16(1) 139149.Article Google ScholarCyclic Response and Constitutive Model Study of G20Mn5QT Fatigue behavior of G20Mn5QT cast steel and butt welds with Q345B steel.International Journal of Steel Structures,16 (1),139149.Article Google Scholar

Corrosion fatigue of coated AISI 4340 high strength steel

Qinghua Han,Xin Wang,Yan Lu,Effect of corrosion on the fatigue behaviour of butt welds of G20Mn5QT cast steel and Q345D hot rolled steel in 3.5wt% NaCl solution,Fatigue Fracture of Engineering Materials Structures,10.1111/ffe.13337,0,0,(undefined).Corrosion Fatigue Crack Initiation in Aluminum Alloys 7075 (2019) Corrosion fatigue behaviour and microstructural characterisation of G20Mn5QT cast steel in 3.5wt% NaCl solution.Fatigue Fracture of Engineering Materials Structures 42:10,2397-2409.Online publication date 21-May-2019.Balance fatigue design of cast steel nodes in tubular Jan 01,2013 Fatigue behaviour of G20Mn5QT cast steel and butt welds#0183;They studied the fatigue properties of the cast steel nodes and the whole trusses,the influence of casting defects,and compared the fatigue properties of cast steel node with that of traditional welded node [5-9].The researches in Germany studied and tested the fatigue strength of the girth butt welds in cast steel node [10].

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