2018
DOI: 10.1016/j.conbuildmat.2018.07.231
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Fatigue properties of welded Q420 high strength steel at room and low temperatures

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Cited by 28 publications
(9 citation statements)
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“…By means of statistical assessment, a correlation between test temperature and fatigue life is verified for the majority of weld details and steel types. This result is in line with studies on FCG rate testing of base materials as well as S-N fatigue tests of welded joints at sub-zero temperatures ( [7,10,12,[15][16][17]).…”
Section: Discussionsupporting
confidence: 90%
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“…By means of statistical assessment, a correlation between test temperature and fatigue life is verified for the majority of weld details and steel types. This result is in line with studies on FCG rate testing of base materials as well as S-N fatigue tests of welded joints at sub-zero temperatures ( [7,10,12,[15][16][17]).…”
Section: Discussionsupporting
confidence: 90%
“…While effects of high temperatures on material behavior are well covered in international standards and guidelines, there is no comprehensive guidance for sub-zero temperature fatigue strength assessment of welded joints. This is likely related to the small number of publications concerning fatigue of welded steel joints at sub-zero temperatures, see [6][7][8][9][10][11][12][13][14][15][16][17]. Moreover, the majority of studies focuses on fatigue crack growth (FCG) rate testing for cryogenic applications and butt-welded joints.…”
Section: Introductionmentioning
confidence: 99%
“…This was observed by Yan et al, 8 who tested the mechanical properties of 63 steel coupons under low temperatures in the range of −165°C to 20°C and found that the yield and ultimate strength of HRB335, HRB400, and SLTS type of reinforcing steels increased with the decrease of temperature. The same observations for Q420 high-strength steel were also validated by Li et al, 9 who performed tensile tests of welded joints under normal and low temperatures. On the basis of these test results, Liu et al 10,11 studied the mechanical properties of welded joints under low temperatures in the range of −60°C to 20°C and observed that their yield-to-ultimate strength ratio increased slightly with temperature decrease.…”
Section: Introductionsupporting
confidence: 73%
“…If a building does not collapse during a fire, the post-fire evaluation and repair of the fire-exposed building require better understanding and awareness of the post-fire performances of its construction materials. Extensive research works were conducted in last decades to study the post-fire behaviour of different types of structural steels including high strength steels, hot-rolled and cold-formed steels, duplex stainless steels, marine steels and so on (Azhari et al, 2017; Chiew et al, 2014; Gunalan and Mahendran, 2014; Hai et al, 2018; Huang and Young, 2018; Kang et al, 2018b; Li et al, 2017, 2018a, 2018b; Liu et al, 2017; Lu et al, 2016; Maraveas et al, 2017a, 2017b; Qiang et al, 2012, 2013; Ren et al, 2020; Sajid and Kiran, 2019; Wang et al, 2015, 2020b; Xie et al, 2018; Yahyai et al, 2016; Yan et al, 2014; Zhang et al, 2020). However, research works on the post-fire performance of Grade 460 HSS, one of current most commonly used HSS with a nominal yield strength of 460 MPa, are still very limited.…”
Section: Introductionmentioning
confidence: 99%