a study on fatigue behavior of sm490a steel under low


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A Study on Fatigue Behavior of SM490A Steel under Low

Abstract. This paper deals with the fatigue behavior and its statistical properties of SM490A steel at various temperatures, which is utilized in the railway vehicle. For these goals, the tensile ad fatigue tests were performed by using a servo-hydraulic fatigue testing machine at Experimental investigation on static and fatigue behavior The paper aims to evaluate the fatigue behavior and its probabilistic properties in welded SM490A steels, which is utilized in high speed train, under low temperatures. For the goal, the tensile and fatigue tests are performed under displacement control mode and constant amplitude loading cycles, respectively at various temperatures (293K, 263K and 233K). The static strengths for base and Experimental study on fatigue behavior of Q420 high Jun 01, 2018 · In order to study the fatigue behavior of Q420B steel at low temperatures, this paper conducted a series of experiments. Firstly, Charpy V-notch impact tests and strength tests of Q420B steel under normal and low temperatures were performed, and this type of steel can meet the requirements of Chinese and American standards. Key Engineering Materials Vols. 353-358 p. 4 A Study on Fatigue Behavior of SM490A Steel under Low Temperature Authors:Ki Weon Kang, Byeong Choon Goo, J.H. Kim, Heung Seob Kim, Jung Kyu Kim Abstract:This paper deals with the fatigue behavior and its statistical properties of SM490A steel at various temperatures, which is utilized in the railway vehicle. Effect of low temperatures on constant amplitude fatigue Nov 01, 2019 · This study targets to conduct the high-cycle constant-amplitude fatigue test of butt-welded joints at RT and 60 °C. Fig. 1(a) presents the geometric dimensions and physic configuration of the fatigue specimens. The main plate thickness (t) is 15.5 mm, and the width (W) of the effective segment in the specimens is equal to 60 mm.Except for the values in brackets, which are the Fatigue properties of welded Q420 high strength steel at Nov 20, 2018 · To study the fatigue behavior of Q420B steel weld joints under low temperatures, this paper conducted a series of experiments. Firstly, Charpy V-notch impact tests and strength tests of Q420B steel under normal and low temperatures were performed, and this type of steel can meet the requirements of Chinese and American standards. International Journal of Steel StructuresThe paper aims to evaluate the fatigue behavior and its probabilistic properties in welded SM490A steels, which is utilized in high speed train, under low temperatures. For the goal, the tensile and fatigue tests are performed under displacement control mode and constant amplitude loading cycles, respectively at various temperatures (293K, 263K Fatigue crack growth prediction of welded joints in low Aug 08, 2017 · Low-cycle fatigue is one of the failure modes in steel structures during earthquakes. With a focus on crack growth in the low-cycle fatigue region, this study developed a fatigue crack growth curve and verified its applicability to crack growth prediction in welded joints. Fatigue crack growth tests under highly plastic conditions were performed using compact tension specimens with side Influence of Accelerated Cooling Condition on Welding Jul 14, 2015 · In this study, an experimental mock-up was manufactured to measure the temperature cycles at several typical positions. Its cross-sectional view and dimensions are shown in Fig. 3. The material of the mock-up is low alloy high-tensile steel named SM490A, and the wire is YGW18. The chemical components of SM490A are shown in Table 1. During the Fatigue strength of filletwelded joints at subzero Dec 01, 2019 · In the present study, welded normal and high strength steel joints are tested to analyse the fatigue strength under subzero temperatures. The aim of the paper is to present the change in fatigue strength and to assess the effect on fatigue assessment procedures for structures experiencing low service temperatures. Fatigue strength of filletwelded joints at subzero Dec 01, 2019 · In the present study, welded normal and high strength steel joints are tested to analyse the fatigue strength under subzero temperatures. The aim of the paper is to present the change in fatigue strength and to assess the effect on fatigue assessment procedures for structures experiencing low service temperatures. Corrosion rate prediction and influencing factors Jun 19, 2020 · In recent years, low-alloy steels have been widely used as construction materials in marine environments due to their excellent physical properties and low cost. To understand the corrosion behavior of low-alloy steel in the marine atmosphere, factors that may affect the corrosion resistance have been extensively explored [2,3].

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