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What is the effect of martensitic transformation on stainless steel?
Martensitic transformation has been reported to have the potential to significantly reduce the grain size of this grade of stainless steels, thereby overcoming the mentioned service weaknesses [9]. As previously stated, a few researches have been carried out to understand the effect of ultra-fine grained structure on the wear property of the steel.See all results for this questionThe effect of grain size and martensitic transformation on microstructural transformation of stainless steel slag Surface treatmentDec 01, 2014 · In the present study, a combination of cold rolling and subsequent annealing was used to produce an AISI 304L stainless steel with different grain sizes (650 nm, 3 m and 12 m).Wear behavior of the steel was subsequently examined using dry sliding wear test under different loads of 10 N, 20 N and 30 N. Different microstructural characterizations were conducted on the samples.Surface treatment and corrosion behavior of 316L stainless microstructural transformation of stainless steel slag Surface treatmentAug 07, 2019 · The relationship between surface treatment and corrosion of 316L stainless steel fabricated by selective laser melting (SLM 316L SS) was investigated by microstructural characterization and electrochemical tests. Sandblasting can remove the spheroidized particles and pores to inhibit the formation of corrosion cracks on the surface of the SLM microstructural transformation of stainless steel slag Surface treatment
Stainless steel slag fundamentals: From furnace to tundish
The microstructural evolution of the slag during the electric arc furnace (EAF) austenitic stainless steelmaking was investigated with respect to its effect on chromium recovery and slag foaming.Stabilisation and Microstructural Modification of microstructural transformation of stainless steel slag Surface treatmentJan 04, 2014 · This work aimed to assess the possibility of stabilising argon oxygen decarburisation (AOD) stainless steel slag with CaO/SiO2 ~ 1.6, by using a secondary alumina by-product (~75 wt% Al2O3, referred herein as SA, found under the name Valoxy®) and reduced levels of B2O3. Two groups of samples were synthesised: one reference group with AOD slag and 0.26, 0.16, 0.10 and 0.05 wt% Cited by: 7Publish Year: 2014Author: Remus Ion Iacobescu, Annelies Malfliet, Lieven Machiels, Peter Tom Jones, Bart Blanpain, Yiannis Pon microstructural transformation of stainless steel slag Surface treatmentEstimated Reading Time: 6 minsROLE OF THE STABILIZING ELEMENTS IN THE FERRITIC of surface condition, steel cleanliness and level of titanium in the material after final adjustment. The production of stainless steel typically starts with the melting of steel scrap and alloys in an electric arc furnace. This melt is further refined in a steel con-verter. During the
Minerals | Free Full-Text | The Influence of Slag Tapping microstructural transformation of stainless steel slag Surface treatment
The results clearly indicated that the cooling in the slag pot improved the efficiency of the stabilization treatment, leading to a complete transformation of the microstructure by a full development of homogeneous gehlenite matrix and a coarsening of Cr-spinels, Microstructural transformation of stainless steel slag microstructural transformation of stainless steel slag Surface treatmentJan 01, 2021 · Stainless steel slag-based CaOAl 2 O 3 MgOSiO 2 (CAMS) glass ceramics were prepared by spark plasma sintering (SPS), which provided enhanced hardness, reaching a maximum of 16.3 GPa at 800 °C. The crystallinity of diopside (the main crystalline phase) increased with sintering temperature. Under pressure, diopside directionally grows parallel to the pressure direction.Cited by: 1Publish Year: 2021Author: Saiyu Liu, Yuxin Chen, Shunli Ouyang, Shunli Ouyang, Hangren Li, Xin Li, Baowei LiMicrostructural transformation of stainless steel slag microstructural transformation of stainless steel slag Surface treatmentAug 01, 2020 · PDF | Stainless steel slag-based CaOAl2O3MgOSiO2 (CAMS) glass ceramics were prepared by spark plasma sintering (SPS), which provided enhanced microstructural transformation of stainless steel slag Surface treatment | Find,
Microstructural changes due to laser surface melting of an microstructural transformation of stainless steel slag Surface treatment
In the present work surface melting with a 3kW CO2 cw laser was done to alter surface features of an AISI 304 stainless steel. Microstructure characterisation was done by optical and scanning electron microscopy. Vickers and Knoop microhardness tests evaluated mechanical features after surface melting.Microstructural changes due to laser surface melting of an microstructural transformation of stainless steel slag Surface treatmentAn austenitic stainless steel, AISI 304, 16 mm plate in an annealed condition, was submitted to laser surface melting. Chemical composition of the as received material is presented on Table 1 . The laser used for the surface treatment was a CW 3 kW CO 2 laser, and an area of 100 mm x 100 mm was melted by overlapping parallel tracks.Microstructural and Passivation Response of Severely microstructural transformation of stainless steel slag Surface treatmentOct 08, 2020 · The present study investigates the microstructural and passivation behavior of surface mechanical attrition treated (SMAT) AISI 304 stainless steel in a 0.6 M NaCl solution at room temperature. SMAT process, which is more advanced than the classical shot-peening, causes 2-3 times improvement in surface hardness of the steel.Cited by: 1Publish Year: 2020Author: Digvijay Singh, Dudekula A. Basha, Alok Singh, Rupesh S. Devan, Santosh S. HosmaniEstimated Reading Time: 3 mins
Microstructural alteration and oxidation behavior of microstructural transformation of stainless steel slag Surface treatment
The martensitic stainless steel AISI 440C was boronized at a temperature of 950 °C for about 4 hr. Heat treatments at a temperature of 850 °C for about 2-8 hr were performed to eliminate the FeB phase of the boride layer. The oxidation investigations were carried out at a given temperature of 900 °C on different surface conditions.Microstructural Evolution of Surface Layer of TWIP Steel microstructural transformation of stainless steel slag Surface treatmentMar 01, 2012 · Abstract. A nanocrystalline layer was synthesized on the surface of TWIP steel samples by surface mechanical attrition treatment (SMAT) under varying durations. Microhardness variation was examined along the depth of the deformation layer. Microstructural characteristics of the surface at the TWIP steel SMATed for 90 min were observed and analyzed by optical microscope, X-ray diffraction, Microstructural Evolution in 2101 Lean Duplex Stainless microstructural transformation of stainless steel slag Surface treatmentThe microstructural evolution of a 2101 lean duplex stainless steel (DSS) during isothermal aging from room temperature to 470 °C was investigated using thermoelectric power (TEP) measurements to follow the kinetics, atom probe tomography, and transmission electron microscopy.
Microstructural Changes During Static Recrystallization of microstructural transformation of stainless steel slag Surface treatment
Feb 18, 2020 · Abstract Static recrystallization and microstructural changes in austenitic stainless steel 304L were studied. The rolling experiments at 200 °C were carried out, and then, annealing treatment was made at temperatures ranging between 500 and 830 °C.Cited by: 2Publish Year: 2020Author: P. Alavi, S. SerajzadehEstimated Reading Time: 6 minsMicrostructural Changes During Short-Term Heat Treatment microstructural transformation of stainless steel slag Surface treatmentApr 28, 2021 · With the investigations presented here it was shown that the microstructural processes during a short-term heat treatment of a martensitic stainless steel can be modeled in a simulation program with small uncertainties. Considering the limited local validity of the chemical composition, the simulation can be transferred to real experiments.Microstructural Analysis of the Laser-Cladded AISI 420 microstructural transformation of stainless steel slag Surface treatmentMar 05, 2019 · This study investigates the microstructural evolution and phase transformation of laser-cladded AISI 420 martensitic stainless steel. The microstructural morphologies of the laser-cladded sample were examined using optical microscopy, scanning electron microscopy, and transmission electron microscopy (TEM) equipped with energy-dispersive spectroscopy.Cited by: 7Publish Year: 2019Author: Mohammad K. Alam, Afsaneh Edrisy, Jill UrbanicEstimated Reading Time: 3 mins
Improvement of Corrosion Resistance of Steels by
surface treatment, ion beam surface treatment and electrical discharge machining, which give a modified surface with specific combination of properties in result of nonequilibrium microstructural characteristics. The obtained by all these methods surface layers can Images of Microstructural Transformation of stainless steel Sl See allSee all imagesINTERNATIONAL JOURNAL OF SCIENTIFIC & Microstructural changes in duplex stainless steel due to changes in annealing temperature are characterized by ultrasonic pulse echo technique and optical microscopy. Type 2205 duplex stainless steel are heat treated at 1000 deg C, 1050 deg C, 1100 deg C, 1150 deg C and 1200 deg C for 15 min and water quenched.
How is corrosion resistance improved by surface modification?
Improvement of Corrosion Resistance of Steels by Surface Modification 299 Machlet and was for nitrogenization of iron and steel in an ammonia gas atmosphere diluted by hydrogen. Either a single-stage or a double-stage process can be used when nitriding with anhydrous ammonia.See all results for this questionHow does nitrided surface improve corrosion resistance of steel?The nitrided surface of an alloy steel or tool exhibits increased resistance to saltwater corrosion, moisture and water. The treatment temperature is usually between 500 and 550 ºC for periods of 1 to 100 h depending of the nitriding method, type of steel and the desired depth of the layer.See all results for this questionHow are nonmetals used in surface modification of steel?Thermochemical treatment technologies for surface modification of steels have been very well investigated and developed on research and industrial level. These are methods by which nonmetals or metals are penetrated into the metallic surface by thermodiffusion after chemical reaction and adsorption.See all results for this question