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effects of carbon and chromium on microstructure evolution

The carbon and chromiumcontents significantly affected the microstructure evolution in the stir zones of medium-carbon steelsduring the friction stir welding (FSW).Author:Chun Cheng,Kota Kadoi,Shun Tokita,Hidetoshi Fujii,Kohsaku Ushioda,Hiroshige InoueCited by:4Publish Year:2019Effects of carbon and chromium on microstructure evolution

Was this helpful?Effects of carbon and chromium on microstructure evolution Aug 05,2019 effects of carbon and chromium on microstructure evolution#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 tensile strengths over 2 GPa withPrevious123456NextMicrostructures and Properties of a Low-Carbon-Chromium Therefore,a low-carbon-chromium ferritic stainless steel is chosen in this paper to study the effect of quenching-partitioning treatment on the material from the point of view of microstructure,mechanical properties,corrosion resistance,and plate deformation,and compares it with traditional quenching-tempering and annealing treatments.Phase evolution,microstructure characteristics and Jan 01,2011 effects of carbon and chromium on microstructure evolution#0183;XRD investigation shown that in case of chromium to carbide ratio 8:1,the microstructure contains mainly Cr7C3,microstructures of other ratios contain Cr3C2 with small amount of Cr7C3; in case of chromium to carbide ratio 4:1,there is amount of free carbon in microstructure,due to bigger amount of graphite in mixture (Figure 4).

Microstructures and Properties of a Low-Carbon-Chromium

Therefore,a low-carbon-chromium ferritic stainless steel is chosen in this paper to study the effect of quenching-partitioning treatment on the material from the point of view of microstructure,mechanical properties,corrosion resistance,and plate deformation,and compares it with traditional quenching-tempering and annealing treatments.Microstructure evolution during heat treatment of The effects of heat treatment for recovering microstructure of a Ni-based single crystal superalloy with carbon addition have been evaluated.The heat treatment resulted in increased levels of chemical homogeneity.All the samples experienced more coarsening than as-cast samples.Significant changes to as-cast carbide morphologies were Microstructure and mechanical properties of chromiumChromium 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

Microstructure Evolution in Steels SpringerLink

Steel is an iron alloy containing carbon from as low as 0.005 wt% (as in interstitial free steel) to 2.5 wt% (as in cast iron) and varying amounts of other elements (mainly chromium,manganese,molybdenum,nickel,and silicon) depending on its end use.Metallurgical Aspects of HIGH- CHROMIUM WHITE IRONScarbon 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.MICROSTRUCTURE AND MECHANICAL PROPERTIES OFreduce the diffusion of carbon will decrease the pearlite spacing.Since there are many factors influencing the formation of pearlite,the present study was undertaken to examine the effects of various alloying elements on the microstructure and mechanical properties of sintered PM steels.

Influence of Chromium Content and Prior Deformation on

The 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 carbon and chromium on microstructure evolution#176;C/s.After austenitization at 1100 effects of carbon and chromium on microstructure evolution#176;C,specimens were either cooled without strain or given 0 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 carbon and chromium on microstructure evolution#176;C/s.After austenitization at 1100 effects of carbon and chromium on microstructure evolution#176;C,specimens were either cooled without strain or given 0 Heat treatment and effects of Cr and Ni in low alloy steelAbstract.The effects of Cr and Ni on low carbon steel was observed.Undissolved carbide particles refine the austenite grain size.In the presence of nickel,chromium carbide is less effective in austenite grain refinement than chromium carbide in absence of nickel at temperature below 975 effects of carbon and chromium on microstructure evolution#176;C.Nickel does not produce any austen-

Heat treatment and effects of Cr and Ni in low alloy steel

Abstract.The effects of Cr and Ni on low carbon steel was observed.Undissolved carbide particles refine the austenite grain size.In the presence of nickel,chromium carbide is less effective in austenite grain refinement than chromium carbide in absence of nickel at temperature below 975 effects of carbon and chromium on microstructure evolution#176;C.Nickel does not produce any austen-Evolution of carbides and chromium depletion profiles Oct 01,2013 effects of carbon and chromium on microstructure evolution#0183;The microstructure evolution in carbide strengthened Alloy 602 CA during exposure to a synthetic flue gas (N 2 2.5%O 2 8.6%H 2 O16.4%CO 2) at 1100 effects of carbon and chromium on microstructure evolution#176;C has been studied.The chromium and aluminium loss resulted in a chromium depleted alloy subsurface area and the dissolution of the carbides within this area.Effects 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.

Effects of Laser Scanning Speed on Microstructure

The effects of laser scanning speed on the microstructure,microhardness,and corrosion behavior of Ni45 coatings were investigated by using optical microscopy (OM),scanning electron microscopy (SEM),X-ray diffraction (XRD),microhardness,and electrochemical measurements.The results showed that increasing laser scanning speed promotes the transformation from planar crystals to dendrites Effects of Heat Treatment Process on Microstructure and High Chromium wear-resistant cast iron is widely used because of its excellent wear resistance.High Chromium cast iron grinding balls are widely used in cement,mining,thermal power generation,etc.To improve the production and heat treatment process of grinding balls and actively explore the relevant laws in the production process has a good guiding role for the actual production.Effect of nickel with chromium on microstructure and AbstractIn the present work,the effects of nickel with chromium and of varying heat input on the microstructure and toughness of the grain coarsened heat affected zone (GCHAZ) of a low carbon steel were investigated.In the welding experiments,low carbon steel specimens having five different combinations of nickel and chromium content (09Ni03Cr,19Ni08Cr,28Ni13Cr,38

Effect of nickel with chromium on microstructure and

AbstractIn the present work,the effects of nickel with chromium and of varying heat input on the microstructure and toughness of the grain coarsened heat affected zone (GCHAZ) of a low carbon steel were investigated.In the welding experiments,low carbon steel specimens having five different combinations of nickel and chromium content (09Ni03Cr,19Ni08Cr,28Ni13Cr,38 Effect of carbon fiber on microstructure evolution and Nov 22,2019 effects of carbon and chromium on microstructure evolution#0183;FeCoCrNiCu and C f /FeCoCrNiCu highentropy alloy coatings are prepared by laser cladding to study the effects of carbon fiber on the microstructure and surface properties of the FeCoCrNiCu alloy.It is found that the addition of carbon fiber has little effect on the phase structure of the FeCoCrNiCu alloy coating.However,an interesting finding is that the addition of carbon fiberEffect of carbon fiber on microstructure evolution and Nov 22,2019 effects of carbon and chromium on microstructure evolution#0183;FeCoCrNiCu and C f /FeCoCrNiCu highentropy alloy coatings are prepared by laser cladding to study the effects of carbon fiber on the microstructure and surface properties of the FeCoCrNiCu alloy.It is found that the addition of carbon fiber has little effect on the phase structure of the FeCoCrNiCu alloy coating.However,an interesting finding is that the addition of carbon fiber

Effect of carbon activity on microstructure evolution in

2018 (English) Independent thesis Advanced level (degree of Master (Two Years)),20 credits / 30 HE credits Student thesis Abstract [en] The aim of this work was to systematically study how the microstructure evolution is affected by the carbon activity in WC-Ni cemented carbides.Effect of Heat Treatment on the Microstructure and In order to research the effect of heat treatment on the microstructure and corrosion resistance of stainless/carbon steel bimetal plate,the annealing process at 700 effects of carbon and chromium on microstructure evolution#176;C with different times was carried out for stainless/carbon steel bimetal plate.Because the carbon content of carbon steel was higher than that of stainless steel,the carbon would diffuse from carbon steel to stainless steel Effect of Heat Treatment on Microstructure andThe effect of heat treatment at 850oCon the microstructure and mechanical properties of SAE 1025 carbon steel has been studied.Annealing,normalizing and age-hardening heat-treatments at 850oC were used for the experimental work.Hardness tests,tensile tests and metallography were carried out on the heat-treated and control samples.The

Effect of Cr Content on Microstructure and Mechanical

effects of carbon and chromium on microstructure evolution#0183;Translate this pageAbstract The effect of chromium content in the range of 1 wt.%-4 wt.% on the microstructure and mechanical properties of controlled-rolled and direct-quenched 12 mm thick low-carbon (0.04 wt Effect of Chromium on Hardenability in Medium-Carbon SteelsJan 04,2012 effects of carbon and chromium on microstructure evolution#0183;As you most likely know,carbon,and to a lesser extent manganese,have the greatest effect on hardenability in steels.Still,chromium does have an influence,which can be summarized below Chromium (Cr) is one of the most versatile and widely used alloying elements in steel.Effect of Carbon Stabilizing Elements on WC Cemented 202 ISSN 13921320 MATERIALS SCIENCE (MEDIAGOTYRA).Vol.25,No.2.2019 Effect of Carbon Stabilizing Elements on WC Cemented Carbides with Chromium Steel Binder Marek TARRASTE 1 ,Jakob K effects of carbon and chromium on microstructure evolution#220;BARSEPP 1,Kristjan JUHANI 1,Arvo MERE 2,Mart VILJUS 1 1 Department of Mechanical and Industrial Engineering,Tallinn University of Technology,Ehitajate tee 5,19086 Tallinn,

Cited by 7Publish Year 2018Author Tao Lin,You Guo,Zhi Wang,Huiping Shao,Haiyang Lu,Feihong Li,Xinbo HeEvolution of carbides and chromium depletion profiles

Oct 01,2013 effects of carbon and chromium on microstructure evolution#0183;The microstructure evolution in carbide strengthened Alloy 602 CA during exposure to a synthetic flue gas (N 2 2.5%O 2 8.6%H 2 O16.4%CO 2) at 1100 effects of carbon and chromium on microstructure evolution#176;C has been studied.The chromium and aluminium loss resulted in a chromium depleted alloy subsurface area and the dissolution of the carbides within this area.Cited by 7Publish Year 2018Author Tao Lin,You Guo,Zhi Wang,Huiping Shao,Haiyang Lu,Feihong Li,Xinbo HeEffects of carbon and chromium on microstructure evolution Request PDF Effects of carbon and chromium on microstructure evolution and mechanical properties of friction stir weldment in medium-carbon steel The carbon and chromiumCited by 4Publish Year 2019Author Chun Cheng,Kota Kadoi,Shun Tokita,Hidetoshi Fujii,Kohsaku Ushioda,Hiroshige InoueEffects of chromium and carbon content on microstructure Apr 01,2018 effects of carbon and chromium on microstructure evolution#0183;The porosity of sintered samples decreases with increasing the total carbon content,and increases with increasing the chromium content.The change in the chromium and carbon content can cause the difference of phase composition in the steel matrix,which influences the mechanical properties of the composite.

Chromium and its negative effects on the environment

Nov 14,2016 effects of carbon and chromium on microstructure evolution#0183;Chromium and its negative effects on the environment.Author Charles Sneddon.This case study is part of a collection of pages developed by students in the 2012 introductory-level Geology and Human Health course in the Department of Earth Sciences,Montana State University.Bonding Evolution with Sintering Temperature in Low sensitivity of chromium to oxidation during sintering,even in a prealloyed state,represents the main limitation for producing PM parts from this alloying system [2,3,4].This paper explores the effects of composition and processing conditions on the developed microstructure,sintering bonding,and hence,the material behavior of such alloys.12345NextEffects of carbon and chromium on microstructure evolution Request PDF Effects of carbon and chromium on microstructure evolution and mechanical properties of friction stir weldment in medium-carbon steel The carbon and chromium

(PDF) The Effect of Chromium on Microstructure

The effects of Cr addition on bainitic transformation,microstructure,and properties of low carbon bainitic steels were investigated by dilatometry,metallography,X-ray diffraction,and a (PDF) Effect of Ultrafast Heating on the Microstructure Effect of Ultrafast Heating on the Microstructure Evolution of a Medium Carbon Chromium Manganese Steel Poster (PDF Available) August 2018 with 73 Reads How we measure 'reads'(PDF) Effect of Cr and C on microstructure evolution of PDF On Aug 1,2019,C Cheng and others published Effect of Cr and C on microstructure evolution of medium carbon steels during friction stir welding process and their mechanical property Find

(PDF) Effect of Cr and C on microstructure evolution of

PDF On Aug 1,2019,C Cheng and others published Effect of Cr and C on microstructure evolution of medium carbon steels during friction stir welding process and their mechanical property Find

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