The Effect of Vanadium Content on Microstructure and

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Wpyw wanadu na proces krystalizacji,mikrostruktur i

vanadium; R p0.2 = 113 MPa with the content of 0.1,and 0.2% and HB = 116 for the V addition of about 0.2 wt.%.As regards the Al-Si alloy without a vanadium addition,the obtained values caused an increase of m by 26%; R p0.2 by 12% and HB by 7%.Key words Al-Si alloy,vanadium,microstructure,mechanical properties,pressure die casting 1.The effects of vanadium,niobium,titanium and zirconium The evolution of precipitation and microstructure during a simulation of the thin slab direct rolling process,in six vanadium based,low carbon,steels with V,V-N,V-Ti-N,V-Nb,V-Nb-Ti and V-Zr additions was studied by optical microscopy,analytical transmission electron microscopy (TEM),energy dispersive X-ray analysis (EDAX) and parallel electron energy loss spectroscopy (PEELS).The effect of vanadium on microstructure and mechanical Dec 01,2019 The Effect of Vanadium Content on Microstructure and#0183;In this paper,the microstructure and mechanical properties of FeCrMoVC high-speed steels fabricated using a rapid solidification technique were investigated.It was found that the alloy with free V content exhibited ultra-high fracture strength of 4900 MPa and large compression strain of 31.8%,but a lower yield strength of 1100 MPa.

The Effects of Vanadium,Niobium,Titanium and Zirconium

Abstract The evolution of precipitation and microstructure during a simulation of the thin slab direct rolling process,in six vanadium based,low carbon,steels with V,V-N,V-Ti-N,V-Nb,V-Nb-Ti and V-Zr additions was studied by optical microscopy,analytical transmission electron microscopy (TEM),energy dispersive X-ray analysis (EDAX) and parallel electron energy loss spectroscopy (PEELS).The Effect of Vanadium on the Microstructure andThe Effect of Vanadium on the Microstructure and Toughness of Weld Heat Affected Zones.Abstract Work on factors affecting heat affected zone toughness is summarised and includes the effects of vanadium,nitrogen and heat input on the toughness of the coarse grained HAZ and thr intercritically reheated,grain coarsened HAZ as well as the The Effect of Vanadium and Other Microalloying ElementsModern high-strength low-alloy (HSLA) steels,used extensively in commercial products such as high-strength linepipe and structural construction components,are coiled at temperatures ranging from 400-600 The Effect of Vanadium Content on Microstructure and#176;C.The microstructures produced are bainitic,often do not contain iron carbides,and contain microalloying additions such as vanadium (V).This study attempted to characterize the

The Effect of Vanadium and Other Microalloying Elements

Modern high-strength low-alloy (HSLA) steels,used extensively in commercial products such as high-strength linepipe and structural construction components,are coiled at temperatures ranging from 400-600 The Effect of Vanadium Content on Microstructure and#176;C.The microstructures produced are bainitic,often do not contain iron carbides,and contain microalloying additions such as vanadium (V).This study attempted to characterize the The Effect of Vanadium and Other Microalloying Elements on Modern high-strength low-alloy (HSLA) steels,used extensively in commercial products such as high-strength linepipe and structural construction components,are coiled at temperatures ranging from 400-600 The Effect of Vanadium Content on Microstructure and#176;C.The microstructures produced are bainitic,often do not contain iron carbides,and contain microalloying additions such as vanadium (V).This study attempted to characterize the Previous123456NextInfluence of Vanadium Content on the Microstructurevanadium was 115J/cm2,the highest Brinell hardness (HB) was 223.Besides,the results of reduction in impact toughness and hardness after increasing the vanadium content were shown.Also,the analysis of transmission electron microscopy in the microstructure revealed that fine vanadium carbide particles

Ironchromiumcarbonvanadium white cast irons the

lower vanadium content,which was different from the report of Stefanescu and Cracium [49] who indicated that vanadium carbides are present in the microstruc-ture of 14.66% Cr2.95% C2.9% V alloy.Furthermore,Sawamoto et al.[16] found that vanadium carbides formed in high chromium white cast irons contained more than 5% V.Influence of Vanadium Content on the Microstructure and In this study,the influence of the vanadium content on the grain size and the hardness of a high-manganese steel (HMnS) like Mn15Cr2 were investigated.The HMnS microstructure was studied and determined by using OM (Optical microscopy),SEM (Scanning electron microscopy),EDX (Energy dispersive X-ray spectroscopy),and BSED (Back scattering electron diffraction).Influence of Vanadium Content on the Microstructure and In this study,the influence of the vanadium content on the grain size and the hardness of a high-manganese steel (HMnS) like Mn15Cr2 were investigated.The HMnS microstructure was studied and determined by using OM (Optical microscopy),SEM (Scanning electron microscopy),EDX (Energy dispersive X-ray spectroscopy),and BSED (Back scattering electron diffraction).

Effect of vanadium on microstructure and property of

Effects of vanadium micro-alloying on the microstructure and material properties of pearlitic steel were investigated,in an effort to obtain higher strength wire with good thermal stability.Experimental results showed that V element mainly existed in cementite and acted toEffect of vanadium on microstructure and mechanical (2018).Effect of vanadium on microstructure and mechanical properties of Fe1.8Ni0.5Mo2Cu0.45C PM steel.Materials Science and Technology Vol.Effect of vanadium on microstructure and mechanical (2018).Effect of vanadium on microstructure and mechanical properties of Fe1.8Ni0.5Mo2Cu0.45C PM steel.Materials Science and Technology Vol.

Effect of vanadium and titanium modication on the

Effect of vanadium and titanium modication on the microstructure and mechanical properties of a microalloyed HSLA steel B.K.Show1,R.Veerababu,R.Balamuralikrishnan,G.Malakondaiah Defence Metallurgical Research Laboratory,Kanchanbagh P.O.,Hyderabad 500058,Andhra Pradesh,India article info Article history Received 22 July 2009Effect of vanadium and niobium alloying elements onThis research explains the results of microstructure and mechanical property investigations of four drop forging microalloyed HSLA steels,ME Wrench 1,ME Wrench 2,ME Wrench 3,and ME Wrench 4.The purpose was to find the influence of vanadium (0.121,0.119,0.120,and 0.210%) and niobium (0.00045,0.00055,0.00052,and 0.00057%) content on theEffect of vanadium addition on the microstructure and Mehmet Akif Erden,S The Effect of Vanadium Content on Microstructure and#252;leyman G The Effect of Vanadium Content on Microstructure and#252;nd The Effect of Vanadium Content on Microstructure and#252;z,Hasan Karabulut,and Mustafa T The Effect of Vanadium Content on Microstructure and#252;rkmen (2016).Effect of vanadium addition on the microstructure and mechanical properties of low carbon micro-alloyed powder metallurgy steels.

Effect of vanadium addition on the microstructure

Apr 01,2006 The Effect of Vanadium Content on Microstructure and#0183;The authors studied the effect of vanadium addition on the microstructure and properties of Al0.5CoCrCuFeNi high-entropy alloy.The microstructure of Al0.5CoCrCuFeNiV x (x=0 to 2.0 in molar ratio) alloys was investigated by scanning electron microscopy,energy dispersive spectrometry,and X-ray diffraction.With little vanadium addition,the alloys are composed of a simpleEffect of vanadium addition on the microstructure Apr 01,2006 The Effect of Vanadium Content on Microstructure and#0183;The authors studied the effect of vanadium addition on the microstructure and properties of Al0.5CoCrCuFeNi high-entropy alloy.The microstructure of Al0.5CoCrCuFeNiV x (x=0 to 2.0 in molar ratio) alloys was investigated by scanning electron microscopy,energy dispersive spectrometry,and X-ray diffraction.With little vanadium addition,the alloys are composed of a simpleEffect of vanadium addition on the microstructure Apr 01,2006 The Effect of Vanadium Content on Microstructure and#0183;The authors studied the effect of vanadium addition on the microstructure and properties of Al0.5CoCrCuFeNi high-entropy alloy.The microstructure of Al0.5CoCrCuFeNiV x (x=0 to 2.0 in molar ratio) alloys was investigated by scanning electron microscopy,energy dispersive spectrometry,and X-ray diffraction.With little vanadium addition,the alloys are composed of a simple

Effect of Vanadium on the Microstructure and Property of

Rebar steel is used in the construction of various buildings.Vanadium (V),one of microalloying elements,is often added in the rebar steel to improve mechanical property.In order to analyse the effect of V on the microstructure and property of rebar steel,0.043 wt.% V was added in a 20MnSi rebar steel.The base steel and V added steel were refined in a 50 kg vacuum induction furnace and Effect of Vanadium on the Microstructure and Elevated The relationship between the microstructure and properties was analyzed.It has been found that the amount of vanadium precipitates would be raised as vanadium content rose.Adding vanadium into the steel was effective to increase the room temperature and elevated temperature yield strength,especially increased the content of nitrogen.Effect of Vanadium on the Microstructure and Elevated The relationship between the microstructure and properties was analyzed.It has been found that the amount of vanadium precipitates would be raised as vanadium content rose.Adding vanadium into the steel was effective to increase the room temperature and elevated temperature yield strength,especially increased the content of nitrogen.

Effect of Vanadium on Microstructure and Mechanical

The effect of silicon,vanadium and nitrogen on the microstructure and hardness of air cooled medium carbon low alloy steels,Journal of Materials Processing Technology,VOL.134 (2003),pp.405-412.DOI 10.1016/s0924-0136(02)01131-7Effect of Vanadium Addition on Reliability and Dec 21,2013 The Effect of Vanadium Content on Microstructure and#0183;The vanadium distribution in multilayer ceramic capacitors (MLCCs),sintered under a reducing atmosphere,was investigated using scanning transmission electron microscopyelectron energy loss spectroscopy (STEMEELS),and insulation resistance degradation was analyzed using impedance spectroscopy in highly accelerated lifetime tests to clarify the effects of vanadium onEffect of Vanadium Addition at a Rate of 0.1% on the The specimens for microstructure,microhardness and compression tests were machined.The mechanical tests were performed to investigate the effect of vanadium addition and the effect of upsetting process.It was found that the 0.1% vanadium addition resulted in grain

Effect of Vanadium Addition at a Rate of 0.1% on the

The specimens for microstructure,microhardness and compression tests were machined.The mechanical tests were performed to investigate the effect of vanadium addition and the effect of upsetting process.It was found that the 0.1% vanadium addition resulted in grainEffect of Niobium and Vanadium on the MicrostructureThe microalloy additions had comparatively little effect on the microstructure except when low levels of niobium ( The Effect of Vanadium Content on Microstructure andlt;0.02 percent) were added to lean alloy (1.2Mn) deposits,when a marked increase in acicular ferrite content occurred.Effect of Niobium and Vanadium Additions on the As-Cast 4.2.Effect of Vanadium on the Microstructure.Vanadium affects the solidification process and changes the transformation characteristics of austenite in high chromium white cast iron.With an increase of vanadium content the alloy composition approaches the eutectic composition in the quaternary FeCrCV system,causing a decrease of

Effect of Cooling Rate and Vanadium Content on the

This paper reports the effect of cooling rate on the microstructure and hardness of a kind of medium carbon steel microalloyed with two levels of V content (0.15% and 0.28%) after hot deformation by using single compression tests on a Gleeble-3800 thermal simulator.EFFECT OF NIOBIUM AND VANADIUM AS AN the formation of primary vanadium carbides,that make the melt viscous,is possible [4],there is no information available about difc ulties of pouring or gas atomizing melts with higher vanadium content.Contrary tovanadium,higher contents ofniobium cause considerable dif-culties in the melt.In melts containing more than about 2.5 wt EFFECT OF NIOBIUM AND VANADIUM AS AN the formation of primary vanadium carbides,that make the melt viscous,is possible [4],there is no information available about difc ulties of pouring or gas atomizing melts with higher vanadium content.Contrary tovanadium,higher contents ofniobium cause considerable dif-culties in the melt.In melts containing more than about 2.5 wt

Cited by 23Publish Year 2016Author Weijun Hui,Yongjian Zhang,Chengwei Shao,Silian Chen,Xiaoli Zhao,Han Dong12345NextInfluence of Vanadium Content on the Microstructure

vanadium was 115J/cm2,the highest Brinell hardness (HB) was 223.Besides,the results of reduction in impact toughness and hardness after increasing the vanadium content were shown.Also,the analysis of transmission electron microscopy in the microstructure revealed that fine vanadium carbide particlesCited by 1Publish Year 2019Author Qianyi Zhang,Yucheng Zhao,Guanglin Yuan,Weiming YangInfluence of Vanadium Content on the Microstructurevanadium was 115J/cm2,the highest Brinell hardness (HB) was 223.Besides,the results of reduction in impact toughness and hardness after increasing the vanadium content were shown.Also,the analysis of transmission electron microscopy in the microstructure revealed that fine vanadium carbide particlesAuthor Liu Qingchun,Yong Qilong,Zheng ZhiwangPublish Year 2016(PDF) The effect of vanadium on microstructure and The effect of vanadium on microstructure and mechanical properties of Fe-based high-strength alloys It was found that the alloy with free V content exhibited ultra-high fracture strength of

Author H.Bakhshinezhad,A.Honarbakhshraouf,H.Abdollah-PourPublish Year 2019(PDF) Effects of Vanadium on Microstructure and Wear

Vanadium (0.52.5%) and boron (120150 ppm) were added to the 18Cr-1.9C-0.5Mo steel heats to examine their effects on the steel microstructure,mechanical properties especially impact A Study of Effect of Vanadium on Microstructure and Jun 17,2019 The Effect of Vanadium Content on Microstructure and#0183;The presence of vanadium,as an alloying element,has various effects on the properties of cast irons.In this research,the effects of adding different amounts of vanadium,including 0,0.87,and 1.45 wt % V,on the microstructure,the formation of different phases,and the mechanical properties of the as-cast and austempered ductile iron have been investigated.

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