microalloyed相关论文
Feasibility of 0.02% Nb-Based Microalloyed Steel for the Application of One-Step Quenching and Parti
To attain an enhanced combination of mechanical properties for low alloyed steel, the current study has been made to ful......
Thermodynamic model for precipitation of carbonitrides in microalloyed steels and its application in
Based on mass balance and solubility product equations,a thermodynamic model enabling the calculation of equilibrium car......
文章通过在包钢现有的310乙字钢基础上,加入0.0030%铈铁合金,对比分析稀土合金加入对铸坯内部质量及常规力学性能的影响,对比结果......
本文针对低碳、微合金化技术及TMCP工艺轧制的新型440 MPa船板,进行了钢的火工矫正、水火弯板工艺试验。对火工后的力学性能进行测......
Recrystallization and Precipitation Behavior during the Hot Deformation of Nb-Ti Microalloyed Steels
1 Introduction Thefundamentalphysicalmetallurgyofthermomechanicalprocessing(TMP)hasbecomemuchbetterunderstoodoverthelasttwodecades[1~8].ItiswellcommonlyrecognizedthattheminuteadditionofstrongcarbonitrideornitrideformingelementssuchasNb,TiandVtakesveryimpo......
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近年来,随着钢产量的稳步增长和全球应用技术研究的深入,钢结构在建筑行业得到了越来越广泛的应用,但随之而来的防火防护问题也日......
研制出一种微合金化高碳低合金工具钢及其低温二次硬化工艺技术,其主要力学性能达到国际先进水平,由此研制生产出可替代进口的高性......
利用萃取复型分析技术,对Ti-V-Nb微合金管线钢中第二相粒子进行了研究。结果表明,钢中存在大量弥散分布的细小粒子,尺寸较大的粒子近似方形,含......
用膨胀法结合金相与硬度分析研究了一种新型水轮机叶片用V、N微合金化CrNiMo不锈钢的连续冷却转变行为,获得了该钢的连续冷却转变(C......
探讨了30tUHP(EBT)、40tLF和HCC生产微合金非调质42MnMo7油井管钢的工艺,重点分析了其质量问题。...
基于热模拟、中试试验、组织观察、拉伸试验、TEM以及热力学软件等技术手段,研究了Nb含量与轧制工艺对Nb,V微合金化600MPa级高强度......
有 1-5 m 的尺寸的极其细小的奥氏体谷物(UFAG ) 通过重复处理被准备,四次快速的加热并且熄灭,并且这些 UFAG 的生长行为在再热并且......
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The effects of chemical composition and cooling rate after solidication on the grain coarseningtemperature,T<sub>GC</sub......
介绍了铌在钢中的作用和铌微合金化基本原理、特点.实践证明,采用铌微合金化生产HRB400 MPa钢筋,其性能指标达到标准要求,具有投资......
Formation of Intragranular Ferrite During Isothermal/Thermomechanical Processes in a Medium Carbon V
For a V-Ti-N microalloyed steel with 0.34%C-1.54%Mn,intragranular ferrite (IGF) was obtained in both isothermal austenit......
介绍了氮在非调质钢中的有益作用。非调质钢中增氮,改变了钒在相间的分布,促进V(C,N)析出,使析出相的颗粒尺寸明显减小,从而增强了钒的沉淀强......
The characteristics and the formation of the miscible particles in V-Ti-N microalloyed steelswere studied.It was found t......
A new high strength steel with dual matrix structure and exceptionally high toughness plus ductility have been produced ......
本文介绍了以铌代钒汽车大梁钢的成分设计及轧制工艺特点,并根据川威集团的实际制定了相应的冶炼以及轧制工艺方案;同时根据几万吨......
DevelopmentofMicroalloyedMedium-Carbon SteelwithImprovedToughnessWangQi;LiGuifen;DongHanAbstract:Theapplicationofthehot-rolle.........
Phase transformation behavior of a hot-rolled,titanium microalloyed steel during heating and continu
The critical transformation temperatures,Ac1 and Ac3,of a hot-rolled low-carbon titanium microalloyed steel were determi......
The lattice constants and chemical composition of Ti,Nb and V precipitates with differentparticle sizes have been measur......
STRAIN-INDUCED ISOTHERMAL PRECIPITATION OF Nb,V AND Ti CARBONITRIDES IN MICROALLOYED STEELS DURING C
The strain-induced isothermal precipitation and the law of coarsening of Nb,V and Ticarbonitrides in Nb-steel.V-steel.Nb......
A low carbon Nb-microalloyed high deformability pipeline steel with X100 grade has been processed by TMCP and followed t......
ThermodynamicCalculationsofCompositionofCarbideandNitridePrecipitatesandPrecipitationOrderinMulti┐MicroaloyedSteelsQuJinbo,Wa.........
An investigation was carried out of the morphology and microstructure of V-Ti complexcarbonitride in steel 09MnVTiN duri......
针对FTSR热轧生产线所产生的硼微合金化SS400B的卷形质量问题,分析卷形缺陷产生的原因。通过对设备及工艺进行调整,总结出相应的解......
研究了钛微合金化SQ700MCD高强钢焊接热影响区的软化机理。采用显微组织分析与透射电镜分析相结合,考查了母材及热模拟粗晶热影响区......