A Weldability Study of Steel of Strength Class X100

Ringinen, D. A.; Chastukhin, A. V.; Khadeev, G. E.; Éfron, L. I.; Степанов, П. П.

doi:10.1007/s11015-014-9854-x

Cited by 6 publications

(1 citation statement)

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“…Ringinen et al [3] used Gleeble thermomechanical simulation to generate HAZ material from the candidate SCR material X100. The microstructure and impact strength of the simulated HAZ material were compared to HAZ material obtained from welded joints, and the simulated HAZ material was shown to exhibit a representative microstructure, and an impact strength within the spread of the experimentally observed values for the HAZ material obtained from welded X100 joints.…”

Section: Introductionmentioning

confidence: 99%

Cyclic plasticity and low cycle fatigue damage characterisation of thermally simulated X100Q heat affected zone

et al. 2018

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Abstract. This paper presents the cyclic plasticity and low cycle fatigue (LCF) damage characterisation of thermally simulated heat affected zone (HAZ) for API 5L X100Q weldments. Microstructures representative of the HAZ for two cooling rates are generated using a Gleeble thermomechanical simulator for manufacture of strain-controlled cyclic plasticity test specimens. The simulated HAZ specimens are subjected to a strain controlled test programme which examines the cyclic effects of strain-range and the tensile response at room temperature. A modified version of the Chaboche rate independent plasticity model, which accounts for early stage damage is implemented to characterise the cyclic plasticity response, including isotropic and kinematic hardening effects. The constitutive parameters are fitted to experimental data using an optimisation procedure developed within a MATLAB code. The measured response of the simulated HAZ specimens is compared to that of the X100Q parent material (PM), and the simulated HAZ is shown to share the early stage fatigue damage behaviour of the PM, but exhibits significantly a higher yield and cyclic strength.

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Section: Introductionmentioning

confidence: 99%