Effects of chromium and carbon content on microstructure

The effects of the chromium content and the total carbon content on the composites were studied.The scanning electron microscopy (SEM) was used to observe the microstructure and such properties as porosity,hardness,transverse rupture strength (TRS) and fracture morphology of the samples were tested.Author:Tao Lin,You Guo,Zhi Wang,Huiping Shao,Haiyang Lu,Feihong Li,Xinbo HeCited by:8Publish Year:2018Effects of chromium and carbon content on microstructure

Was this helpful?People also askIs chromium good for cast iron?Is chromium good for cast iron?Chromium improves the elevated temperature properties of grey iron.The aim of this experimental study is to study the effect of adding (2.11% chromium,3% manganese and 2.02% silicon) to grey cast iron cast shells in order to improve the wear resistance of the surface.Effect of manganese,silicon and chromium additions on microstructure The effect of microstructure and chromium alloying content @article{osti_352620,title = {The effect of microstructure and chromium alloying content to the corrosion resistance of low-alloy steel well tubing in seawater injection service},author = {Nice,P I and Ueda,M},abstractNote = {Failure analysis of corroded well tubing steel grade L-80,removed from three separate seawater injection wells on two of their operated fields hasThe effect of Ti addition on the microstructure and The effect of niobium element on the as-cast microstructure of the hypereutectic high chromium cast irons containing 4.0 wt.% C and 20.0 wt.% Cr was studied by means of the optical microscopy,the

Steel - Effects of heat-treating Britannica

Effects of heat-treating.Adjusting the carbon content is the simplest way to change the mechanical properties of steel.Additional changes are made possible by heat-treatingfor instance,by accelerating the rate of cooling through the austenite-to-ferrite transformation point,shown by the P-S-K line in the figure.(This transformation is also called the Ar 1Some results are removed in response to a notice of local law requirement.For more information,please see here.Previous123456NextSTEEL CASTINGS HANDBOOK Supplement 7 Welding of2.1.1 Iron-chromium alloy types are martensitic or ferritic in microstructure depending on the chromium and carbon content in the composition.They are sub-divided,therefore,into hardenable and non-hardenable groups.2.1.1.1 The CA15 and CA40 (11.5 - 14 Cr) hardenable alloys transform to austenite in

Plain Carbon Steels Classification and Limitations

The microstructure of these steels contain pro-eutectoid cementite (or free cementite) and pearlite.The amount of free cementite increases up to a maximum of 22.11% as the carbon content of the steel increases from above 0.77% to 2.11%.On the effect of carbon content and tempering on Feb 27,2021 Effects of chromium and carbon content on microstructure #0183;We studied the effects of C concentration (0.1,0.3 and 0.5 wt.%) and tempering temperature (100 700 Effects of chromium and carbon content on microstructure #176;C) on the dynamic Youngs modulus,mass densityMicrostructure-property relationships in high chromium Jul 18,2013 Effects of chromium and carbon content on microstructure #0183;High chromium white irons are ferrous based alloys containing 1130 wt-% chromium and 1.83.6 wt-% carbon,with molybdenum,manganese,copper, Alloy content,solidification parameters,and thermal processing can dramatically alter the microstructure that is produced,and this in turn can influence the properties and hence performance of

Microstructure and mechanical properties of chromium oxide

Chromium oxide coatings were deposited on low-carbon steel by radiofrequency reactive magnetron sputtering at different oxygen flux values.X-ray diffraction,x-ray photoelectron spectroscopy,and high-resolution transmission electron microscopy were used to investigate the microstructure of chromium oxide coatings.Microstructural characterization of cobalt chromiumductility.It was important to understand the effect of carbon and nitrogen content on microstructure and on corresponding mechanical properties for cobalt-chromium alloy parts manufactured by EBM technique.This thesis investigates the microstructural characteristics ofMetallurgy Matters Carbon content,steel classifications And while there are steels that have up to 2 percent carbon content,they are the exception.Most steel contains less than 0.35 percent carbon.To put this in perspective,keep in mind that's 35/100 of 1 percent.Now,any steel in the 0.35 to 1.86 percent carbon content range can be hardened using a heat-quench-temper cycle.

Metallurgical Aspects of HIGH- CHROMIUM WHITE

carbon contents exceed the eutectic carbon content.These primary chromium carbides,which precipitate from the melt ahead of eutectic solidification,are quite deleterious to impact toughness and should be avoid in castings subjected to any impact in service.Carbides Microstructures of high-chromium white iron compositions.Matrix microstructure effect on the abrasion wear The chromium and carbon content were chosen in order to have different matrix microstructures (austenitic,martensitic and ferritic) with the same amount of eutectic carbide (M 7 C 3 ).The results show that the cast iron with an austenitic matrix has the best wear resistance.The good wear resistance of this material is due to strong work hardening of the austenitic matrixMECHANICAL PROPERTIES AND MICROSTRUCTUREroom temperature is directly proportional to the carbon content.The measurement of the concentration of carbon by X-ray diffraction is used to determine the variation of carbon content in the le prole.Thermopower measurements indicate that BF les have a lower concentration of carbon in the teeth than in the bulk,while the opposite is

Ironchromiumcarbonvanadium white cast irons

Ironchromiumcarbonvanadium white cast irons the microstructure and properties Mirjana M.Filipovi University of Belgrade,Faculty of Technology and Metallurgy,Belgrade,Serbia Abstract The as-cast microstructure of FeCrCV white irons consists of M7C3 and vanadium rich M6C5 carbides in austenitic matrix.Vanadium changed Ironchromiumcarbonvanadium white cast irons Ironchromiumcarbonvanadium white cast irons the microstructure and properties Mirjana M.Filipovi University of Belgrade,Faculty of Technology and Metallurgy,Belgrade,Serbia Abstract The as-cast microstructure of FeCrCV white irons consists of M7C3 and vanadium rich M6C5 carbides in austenitic matrix.Vanadium changed Influence of chromium on the mechanical properties and @article{osti_5047948,title = {Influence of chromium on the mechanical properties and microstructure of weld metal from a high-strength SMA electrode},author = {Surian,E and Trotti,J and Cassanelli,A and Vedia,L.A.De},abstractNote = {In the present work,the influence of Cr on mechanical properties and microstructure of weld metal from a high-strength SMA

Influence of carbon on hardness and strength of steels

However,additional alloying elements such as chromium,nickel,manganese,titanium,etc.can also significantly increase strength beyond a carbon content of 0.8 %.The strength of the steel is therefore decisively determined by the lamellar cementite structure.The finer the pearlite microstructure,the higher the strength.Influence of carbon on hardness and strength of steels However,additional alloying elements such as chromium,nickel,manganese,titanium,etc.can also significantly increase strength beyond a carbon content of 0.8 %.The strength of the steel is therefore decisively determined by the lamellar cementite structure.The finer the pearlite microstructure,the higher the strength.Influence of Chromium Content and Prior Deformation onThe effect of chromium content and prior hot deformation of the austenite on the continuous cooling transformation (CCT) diagram of a newly developed low-carbon bainitic steel has been studied using dilatometer measurements conducted on a Gleeble 3800 simulator with cooling rates ranging from 2-80 Effects of chromium and carbon content on microstructure #176;C/s.After austenitization at 1100 Effects of chromium and carbon content on microstructure #176;C,specimens were either cooled

High Chromium White Irons for Mining,Grinding and

The as-cast microstructure of high chromium white irons consists of primary austenite dendrites and inter-dendritic eutectic of M 7 C 3 carbides (M stands for metallic species including iron and chromium) and partially transformed austenite.Although the chromium content of high chromium white irons appears between 12High Chromium Cast Iron Part Two : Total Materia ArticleCarbon content plays a significant role in chromium carbide formation and its morphology as well as hardness,impact toughness and wear resistance.In this study,the effect of carbon content on the microstructure,mechanical properties and wear characteristics of HC-Wi has been studied and compared to the Hadfield steel.Effects of chromium/fluorine co-doping on the Download Citation Effects of chromium/fluorine co-doping on the electrochemical performance of Li1.2Ni0.13Co0.13Mn0.54O2 cathode material

Effects of Si on the Microstructures and Mechanical

Sep 20,2016 Effects of chromium and carbon content on microstructure #0183;Effect of Si on the microstructures and mechanical properties of high-chromium cast iron was investigated.The eutectic carbides are refined greatly and a transformation of matrix from austenitic matrix to pearlite is observed with increase in Si content from 0.5 to 1.5 wt.%.The refinement of eutectic microstructure is attributed to the decreaseEffects of Heat Treatment Process on Microstructure and High Chromium wear-resistant white cast iron contains more chromium elements,the cast will produce more high hardness of chromium carbon compounds.When the CR / C ratio in high chromium white cast iron is over 3.5,the main carbides are MTC3 and its micro-hardness reaches 1200 something 1800HVra.Effects of Cr2O3 Content on Microstructure andAl2O3-Cr2O3 refractories are completely substitution solid solutions and can effectively resist slag erosion when used as an industrial furnace lining.In order to provide suitable chromium corundum refractory with excellent slag resistance and mechanical properties for smelting reduction ironmaking,Al2O3-Cr2O3 samples with different mass percentages (0,10,20,30,

Effects of Cr and V additions on the microstructure and

Chromium is mainly distributed over the M 7 C 3,and the matrix also contains a small quantity of chromium.It is found that the content of VC increases with the increase of vanadium content when carbon and chromium contents are constant.The change of micro- and macro-hardness was not obvious with the increase of vanadium content.Effect of manganese,silicon and chromium additions on Nov 15,2017 Effects of chromium and carbon content on microstructure #0183;The increase in the carbon content and a low proportion of manganese and silicon in the graphite zones (Black region) is shown from the figure.On the other hand,the decrease in the carbon content and high proportion of manganese and silicon in the pearlite zones (White region) is also shown from the figure (Figs.18 20).Effect of heat treatment on hardness and wear resistance In the present study,microstructure,hardness,and abrasion resistance of a heat-treated high carbon-high chromium steel (FMU-11) used in the cement mills were investigated.To investigate the best heat-treating cycle for the FMU-11 steel,three sets of samples were heat treated.The first set was tempered two times,the second set was re-hardened,and the third

Effect of furnace atmosphere on sintering process of

Jan 10,2021 Effects of chromium and carbon content on microstructure #0183;The avoidance of oxidation and decarburization promises desired microstructure and carbon content and satisfactory properties through the adjustment of technical parameters,e.g.,the composition of gases in delubrication and various sintering zones,the rate of gas inlet,and cooling rate.Effect of chromium on microstructure and the hot ductility Abstract The effects of chromium on -austenite to -ferrite phase transformation in Nb Microalloyed steel was observed using ultra high-temperature confocal laser scanning microscopy.It is indicated that the starting temperature of the phase transformation decreases with increasing the Cr content.The hot ductility of Nb microalloyed steel isEffect of chromium content on pearlite transformation Effect of chromium content on pearlite transformation microstructure and properties of medium carbon Mn-Cr steels February 2014 Cailiao Rechuli Xuebao/Transactions of Materials and Heat Treatment

Effect of carbon presence in the substrate and salt bath

carbon content of this material and its effects on the type and thickness of coating layers.In current study,an attempt was made out to survey the aforementioned results and also to investigate the effect of carbon in both substrate and bath during the formation of the chromium coating layer on steel samples.ExperimentalEffect of carbon content on microstructure,hardness and Dec 20,2020 Effects of chromium and carbon content on microstructure #0183;The effects of carbon content on the microstructure,hardness,scratch resistance and wear resistance of the CoCrFeMnNiC x HEAs were investigated and discussed.The main conclusions are as follows (1) The carbon alloyed CoCrFeMnNiC x HEAs have a dual-phase structure comprised of FCC phase and M 7 C 3 phase.Effect of alloying elements in steel and Phase diagramOct 17,2020 Effects of chromium and carbon content on microstructure #0183;Its a long-standing tradition to discuss the effect of alloying elements in steel to achieve better properties like Nickel make steel tougher and chromium makes steel harder.This study would require investigations of a large number of ternary phase diagrams over a wide temperature range.

Effect of Ti element on the microstructure and properties

The self-made high chromium content flux-cored wire was used to surfacing low carbon steel under self-protection.The effect of Ti contents on the microstructure,hardness and wear resistance of surfacing layer was investigated.The results showed that the surfacing layer was mainly composed of martensite,M 7 C 3 carbide and residual austenite Effect of Ti element on the microstructure and properties The self-made high chromium content flux-cored wire was used to surfacing low carbon steel under self-protection.The effect of Ti contents on the microstructure,hardness and wear resistance of surfacing layer was investigated.The results showed that the surfacing layer was mainly composed of martensite,M 7 C 3 carbide and residual austenite Effect of Heat Treatment Temperature on MicrostructureThe high chromium cast iron with hypoeutectic composition was selected,the Cr/C was 4.8,the carbon content was 2.8%,and the chromium content was 14%.Medium frequency induction furnace melting,sand casting.The heat treatment of casting can be divided into three temperature sections low temperature,middle temperature,and high temperature.

Effect of Heat Treatment Temperature on Microstructure

The effect of heat treatment temperature (8601100 Effects of chromium and carbon content on microstructure #176;c) on the microstructure and properties of high chromium cast iron was studied.The microstructure and hardness are shown in Fig.3 and Fig.4 respectively,the results show that the hardness of the sample decreases with the increase of temperature,and it can be concluded that the hardness of the heat-treated material stillEffect of Chromium,Aluminum and Nickel onwith the dissolution of Nb-rich MX carbon nitride.The present authors have previously indicated that the 105 hours creep rupture strength at 650 Effects of chromium and carbon content on microstructure #176;C of 912% Cr heat resistant steels can be improved by minimizing the Ni and Al content.In this paper,the effect of Al and Ni on creep rupture strength is investigated in the view-point of Effect of Chromium on Hardenability in Medium-Carbon SteelsJan 04,2012 Effects of chromium and carbon content on microstructure #0183;Answer:As you most likely know,carbon,and to a lesser extent manganese,have the greatest effect Effect of Chromium on Hardenability in Medium-Carbon Steels This website requires certain cookies to work and uses other

Effect of Carbon Content on the Mechanical

the increase in the carbon content,the microstructure was not changed.We suggest that the carbon content dependence of the y,the UTS,and the microhard-ness of steels can be explained with the solid solution hardening.The solid solution hardening is an imper-ative phenomenon governing the plastic behaviour of materials.Effect of Carbon ,Chromium,Vanadium,Molybdenum The effect of elements on wear resistance has also been studied.With the increase in carbon,manganese and nickel contents,the microstructure changes from martensite to austenite.The improvement in wear resistance depends on the content of chromium and carbon.EFFECT OF ELEMENTS IN GRAYCarbon has long been recognized as one of the most important elements in effecting the microstructure and strength of gray and ductile iron.This has led to great efforts in controlling it.It is a rare iron foundry that doesn't have some control of their carbon in order to minimize effects

EFFECT OF CHROMIUM AND SILICON ADDITIONS ON

Raising the chromium content to 0.8 wt% resulted in increased grain size to 64 Effects of chromium and carbon content on microstructure #177;6 Effects of chromium and carbon content on microstructure #181;m.As can be seen in Figure 1c the microstructure of the alloy comprises of large alpha grains.Inside these grains,there are more amounts of the complexDoITPoMS - TLP Library The Jominy End Quench Test - Uses This composite microstructure of martensite and austenite gives a lower hardness to the steel,although the microhardness of the martensite phase itself is still high.Effect of carbon content (wt%) on hardness Carbon also increases the hardenability of steels by retarding the formation of pearlite and ferrite.Cited by 8Publish Year 2018Author Tao Lin,You Guo,Zhi Wang,Huiping Shao,Haiyang Lu,Feihong Li,Xinbo HeEffects of chromium and carbon content on microstructure The results show that the optimum sintering temperature decreases with the increase of chromium content.The porosity of sintered samples decreases with increasing the total carbon content,and increases with increasing the chromium content.The TRS and hardness of samples increase with the increase of the carbon content.

Cited by 8Publish Year 2018Author Tao Lin,You Guo,Zhi Wang,Huiping Shao,Haiyang Lu,Feihong Li,Xinbo HeEffects of carbon and chromium on microstructure

Aug 05,2019 Effects of chromium and carbon content on microstructure #0183;The carbon and chromium contents significantly affected the microstructure evolution in the stir zones of medium-carbon steels during the friction stir welding (FSW).The stir zone of the 0.2%C4%Cr steel has a high strength over 1.5 GPa with a good elongation of 30.3%,while the stir zones of the 0.4%C2%Cr and 0.4%C4%Cr steels had ultrahigh tensileCited by 5Publish Year 2019Author Chun Cheng,Kota Kadoi,Shun Tokita,Hidetoshi Fujii,Kohsaku Ushioda,Hiroshige InoueEffects of chromium sources on the microstructure and The chromium in the steel matrix was provided by pure chromium powder (PCP),low carbon ferrochrome powder,medium carbon ferrochrome powder (MCFP) and high carbon ferrochrome powder.The SEM was used to observe the particle morphology and microstructure.Density,hardness and transverse rupture strength (TRS) of the samples were tested.Characterization of Microstructure and Mechanical The effects of composition changes and heat treatment on the microstructure and mechanical properties of high-chromium white cast irons were studied in order to characterize possible improvements in product performance and machinability.Materials characterization was performed using nanoindentation,SEM,and EDS techniques.Present results show that changes in carbon

Author Tao Lin,You Guo,Zhi Wang,Huiping Shao,Haiyang Lu,Xinbo HePublish Year 2018Effects of Chromium Additions upon Microstructure and

The effects of microstructure on the mechanical properties of the high-carbon steel wires were investigated.The wires were fabricated with carbon content of12345NextEffects of Chromium Additions upon Microstructure and Jun 22,2018 Effects of chromium and carbon content on microstructure #0183;Cr-containing pearlitic steel wires were prepared through cold drawing and simulated galvanization process.Effect of chromium microalloying on microstructural and mechanical properties of the steel wires was investigated.Experimental results show that size of pearlitic colonies of the steel rods decreased as Cr content increased from 0.2 to 0.6 wt.%;(PDF) The Effect of Chromium on Microstructure Development Dec 31,2015 Effects of chromium and carbon content on microstructure #0183;Micro alloying by Niobium was designed to refine the final microstructure and increase retained austenite content [8][9][10].Chromium alloying of medium carbon

(PDF) Microstructure and properties of high chromium

Microstructure and properties of high chromium cast irons effect of heat treatments and alloying additions A.Lekatou IntroductionHigh chromium white cast irons are extensively used in applications where high friction and wear resistance are demanded,as in ore and mining industry,cement manufacturing and heavy slurry pumping applications.(PDF) Effect of titanium on the as-cast microstructure of Effect of titanium on the as-cast microstructure of a 16%chromium white iron Carlos Maldonado IntroductionHigh-chromium white irons can be described as in situ composites with large,hard eutectic and/or proeutectic M 7 C 3 carbides in a softer iron matrix (commonly austenitic in the as-cast conditions and mostly martensitic after a (PDF) Effect of molybdenum and chromium on hardenability METALS AND MATERIALS International,Vol.14,No.6 (2008),pp.667~672 doi 10.3365/met.mat.2008.12.667 Published 18 December 2008 Effect of Molybdenum and Chromium on Hardenability of Low-Carbon Boron-Added Steels 1,2 1,1 2 Futao Han ,Byoungchul Hwang *,Dong-Woo Suh ,Zuocheng Wang ,Duk Lak Lee3 and Sung-Joon Kim1

(PDF) Cladding high chromium cast irons on low carbon

In the present work,high chromium cast irons (HCCIs) with different high carbon ferro-chrome (HCFC) content were cladded on a low carbon steel (LCS).The microstructure results for this questionWhat is the carbon content of cementite?What is the carbon content of cementite?As the carbon content increases,so does the strength of the steel.From a carbon concentration of 0.8 %,however,additional precipitation of cementite takes place at the grain boundaries,which in turn leads to embrittlement.This of course only applies to unalloyed steels,i.e.steels that contain no other alloying elements apart from carbon.Influence of carbon on hardness and strength of steels results for this questionWhat is the carbon content of cast iron?What is the carbon content of cast iron?Before we look at a couple of common steel classification systems,let's consider one more high-carbon metal,cast iron.The carbon content of cast iron is 2.1 percent or more.There are four basic types of cast iron Gray cast iron ,which is relatively soft.Metallurgy Matters Carbon content,steel classifications,and alloy steels

results for this questionWhat is chromium level?What is chromium level?Chromium is generally present in amounts below 0.10% as a residual element carried over from the charge materials.Chromium is often added to improve hardness and strength of grey iron,and for this purpose,the chromium level is raised to 0.200.35%.Effect of manganese,silicon and chromium additions on microstructure results for this questionFeedbackEffects of chromium and carbon content on microstructure

Apr 01,2018 Effects of chromium and carbon content on microstructure #0183;As shown in Table 5,the TRS and hardness of samples increase with the increase of carbon content in the same chromium content.This effect can be attributed to improvement of wettability between metal binder and TiC particles because of the reaction of carbon and oxide on the particle surface,and lower solid solubility of alloy elements in the binder phase as a result of the formation of carbides through alloy

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