Ultrahigh strength ductile microalloyed steel with a very low yield ratio developed by quenching and partitioning heat treatment [PDF]
Scientific Reports, 2022 In this study, a microalloyed low carbon steel was subjected to quenching and partitioning (Q&P) heat treatment processes. The primary ferrite-pearlite microstructure of the steel was transformed into a bainitic microstructure containing interlath and ...
S. Fida Hassan, H. AlWadei
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Effect of solidification rate on microstructure evolution in dual phase microalloyed steel. [PDF]
Sci Rep, 2016 In steels the dependence of ambient temperature microstructure and mechanical properties on solidification rate is not well reported. In this work we investigate the microstructure and hardness evolution for a low C low Mn NbTi-microalloyed steel ...
Kostryzhev AG +3 more
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Study on the Corrosion Behavior of Rare Earth / Niobium Microalloyed Steels in Marine Atmospheric Environments [PDF]
Cailiao Baohu, 2021 For providing the data support to design and develop microalloyzed steels, the corrosion behavior of rare earth microalloyed steels and niobium microalloyed steels in marine atmospheric environments was investigated by the means of surface microstructure
ZHANG Xian, HU Hong-yi, GONG Li, WANG Zhi-yuan, PENG Ding, ZHU Chang-jin, WEI Wen-zhui, WU Kai-ming
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The investigation of the effect of cu addition on the Nb-V microalloyed steel produced by powder metallurgy [PDF]
Science of Sintering, 2022 In this work, the effect of Cu content on the microstructures, mechanical properties and electrical conductivity of Nb-V added microalloyed powder metallurgy (PM) steels were investigated.
Erden Mehmet Akif +3 more
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Study of the Rotary Bending Fatigue Resistance of 30MnB5, 41CrS4 and 30MnVS6 Steels
Applied Sciences, 2022 In this study, a comparative analysis of the fatigue behavior of four types of steels, three of quenching and tempering (30MnB5 subjected to two different heat treatments and 41CrS4) and one microalloyed (30MnVS6), was carried out.
Ana Isabel García-Diez +3 more
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Cailiao gongcheng, 2021 In order to develop a new generation of high strength weathering steel for railway vehicle, V-N-Cr microalloyed Q690 weathering steel was produced by two-stage rolling, and the microstructures and mechanical properties were studied.
LIU Yue, DU Lin-xiu
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Effect of Austempering on Mechanical Properties of Nb/V Microalloyed Bainitic Bearing Steel
Crystals, 2022 In this study, a multi-element microalloyed GCr15Si1MoNbV bainitic bearing steel was designed by adding trace amounts of Nb and V. The bainite/martensite/retained austenite/undissolved carbide multiphase bearing steel with a short heat-treated cycle and ...
Yanhui Wang +7 more
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Effect of Ti Addition on the Precipitation Mechanism and Precipitate Size in Nb-Microalloyed Steels
Metals, 2022 The effect of Ti microalloying on the precipitation of NbC particles in Nb-microalloyed and Nb-Ti-microalloyed steels was investigated by scanning transmission electron microscopy.
Jun Xing +4 more
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Effects of Sn and Sb on the Hot Ductility of Nb+Ti Microalloyed Steels
Metals, 2020 Referencing the composition of a typical Nb+Ti microalloyed steel (Q345B), two kinds of steels, one microalloyed with Sn and Sb, and the other one only microalloyed with Sb were designed to study the effects of Sn and Sb on the hot ductility of Nb+Ti ...
Chunyu He +4 more
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Effect of Mg on Inclusion and High Cycle Fatigue Behavior in Titanium Microalloyed Beam Steel
Metals, 2023 In this paper, the fatigue behavior of titanium microalloyed beam steels were studied by high cycle fatigue test and fatigue crack growth rate test. The effect of Mg addition on the fatigue behavior in titanium microalloyed beam steel was systematically ...
Zhijun Gao +5 more
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