Results 1 to 10 of about 107,154 (163)
Influence of ageing treatment temperature and duration on σ-phase precipitation and mechanical properties of UNS S32750 SDSS alloy [PDF]
Journal of Advanced Research, 2021 Introduction: Super-Duplex Stainless Steeles (SDSS) proved an excellent potential for its use in many chemical and offshore applications due to their both high mechanical properties and a high corrosion resistance in chloride ion solutions.
Elisabeta Mirela Cojocaru +3 more
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Materials & DesignThe current understanding of the formation mechanism and kinetics of the σ phase in DSS remains ambiguous. This study investigates the in-situ evolution of the σ phase in DSS through a multi-faceted approach.
Raj Narayan Hajra +6 more
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Journal of Materials Research and Technology, 2023 Topologically close-packed phases (TCP phase), with ordered dense-stacked structure, realize the atomic diffusion at high temperatures by forming the defects. In this study, we investigated the σ → γ transformation process at high temperature in cast 7Mo
Runze Zhang +4 more
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Effect of sigma phase precipitation on microstructure and properties of cast ZG0Cr26Ni5Mo3Cu3 duplex stainless steel under different heat treatments [PDF]
China Foundry, 2018 ZG0Cr26Ni5Mo3Cu3 Duplex Stainless Steel (DSS) was solution treated at 1,060 ìC for 3 h,followed by water cooling. Tempering treatments were conducted at 720, 750 and 780 ìC, respectively, for 16 h, followed by air cooling.
Ze-hua Zhu +2 more
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Precipitation behavior of σ phase in 23Cr-14Ni high-nitrogen austenitic stainless steel
Cailiao gongcheng, 2022 Precipitation behavior of σ phase in 23Cr-14Ni high-nitrogen austenitic stainless steel was investigated by empirical formulas, thermodynamic calculations, Gleeble thermo-mechanical simulation, optical microscope, scanning electron microscopy and ...
ZHANG Yuxiang +4 more
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Interdiffusion behavior in sigma-phase using Ni3Al/Mo diffusion couples [PDF]
Journal of Mining and Metallurgy. Section B: Metallurgy, 2011 The sigmaNiMo( Al) phase was formed using Ni3Al/Mo diffusion couples at 1423, 1473 and 1523 K. The growth of formed phase and the concentration-distance profiles for each component in the diffusion couples were examined by electron probe microanalysis
Zhou C., Gong W., Huang S., Wei H.
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Journal of Materials Research and Technology, 2023 The influence mechanisms of Ce addition on the precipitation behaviour of σ phase and nitrides were systematically investigated. The results demonstrated that the addition of Ce significantly promoted the nucleation and slightly inhibited the growth of ...
Jiangtao Yu +7 more
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Effect of Ferrite on the Precipitation of σ Phase in Cast Austenitic Stainless Steel Used for Primary Coolant Pipes of Nuclear Power Plants [PDF]
Materials Research, 2017 The effect of ferrite phase on the precipitation of σ phase in a Z3CN20.09M cast austenitic stainless steel (CASS) used for primary coolant pipes of pressurized water reactor (PWR) nuclear power plants was investigated by using isothermal heat-treatment,
Yongqiang Wang, Na Li
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Journal of Materials Research and Technology, 2023 The effect of cold rolling reduction on the precipitation of σ phase at 800 °C in the 2906 DSS was investigated. The results show that the precipitation rate of the σ phase is improved with the increase of rolling reduction, and the maximum volume ...
Jing-kun Li +6 more
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Effect of Al Content on Phase Compositions of FeNiCoCrMo0.5Alx High Entropy Alloy
Metals, 2021 The FeCoNiCrMo0.5Alx system with x up to 2.13 was analyzed from the point of view of evolution of the phase composition and microstructure. Cast samples were synthesized by induction melting and analyzed by X-ray diffraction, energy dispersive ...
Anton Semikolenov +6 more
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