Ultrahigh strength ductile microalloyed steel with a very low yield ratio developed by quenching and partitioning heat treatment [PDF]
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
doaj +2 more sources
The microstructure and mechanical properties of V-Ti,Nb-V-Ti microalloyed non-quenched and tempered steel were investigated by optical microscopy, scanning electron microscopy, transmission electron microscopy.
谭利, 肖波, 郑力宁, 陈少慧
doaj +1 more source
Processes, microstructure and properties of vanadium microalloyed steels [PDF]
Vanadium as an important alloying element in steels was initially associated with the properties achieved following tempering. Interest in the microstructure was stimulated by the advent of transmission electron microscopes with a resolution of ~1nm ...
Baker, T.N.
core +4 more sources
Study on the Corrosion Behavior of Rare Earth / Niobium Microalloyed Steels in Marine Atmospheric Environments [PDF]
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
doaj +1 more source
The investigation of the effect of cu addition on the Nb-V microalloyed steel produced by powder metallurgy [PDF]
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
doaj +1 more source
Study of the Rotary Bending Fatigue Resistance of 30MnB5, 41CrS4 and 30MnVS6 Steels
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
doaj +1 more source
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
doaj +1 more source
Effect of Austempering on Mechanical Properties of Nb/V Microalloyed Bainitic Bearing Steel
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
doaj +1 more source
Advances in Microalloyed Steels [PDF]
In response to the demanding requirements of different sectors, such as construction, transportation, energy, manufacturing, and mining, new generations of microalloyed steels are being developed and brought to market.
core +2 more sources
Effect of Ti Addition on the Precipitation Mechanism and Precipitate Size in Nb-Microalloyed Steels
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
doaj +1 more source

