Influence of Vanadium on the Corrosion Behavior of High Manganese Steel in 0.5 M H<sub>2</sub>SO<sub>4</sub> Solution

Gharbi, A.; Maouche, H.; Ghelloudj, Oualid

doi:10.12693/aphyspola.131.346

Cited by 8 publications

(1 citation statement)

References 4 publications

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“…Dissolution of these carbides requires a particular heat treatment (holding at 1000°C to 1100°C and cooling in the water). The obtaining of the enriched austenite free of precipitates at grain boundaries affects positively hardness and wear resistance [16][17][18][19].…”

Section: Introductionmentioning

confidence: 99%

Effect of Heat Treatments on the Microstructure and Wear Resistance of a Modified Hadfield Steel

Ayadi¹,

Hadji²

2019

Metallofiz. Noveishie Tekhnol.

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In this study, the effect of heat treatments on the microstructure and wear resistance of Hadfield steel with different Cr + Ni contents is investigated. Hadfield steel with 1.2% wt. C and 12% wt. Mn is melted in an electric arc furnace. Added elements (Cr and Ni) are crushed and added as ultra-fine powders of ferro-alloyed composition in a well heated ladle. Two series of heat treatments are applied: one at 1100°C and the other at 1050°C. The microstructure of these steels is analysed using optical microscopy, scanning electron microscopy and X-ray diffraction. The Rockwell C hardness and the Vickers microhardness are measured at ambient temperature. The wear behaviour of all samples in as-cast and heat treated states is studied using pinon-disk wear tests. The obtained results show that the microstructure of the as-cast Hadfield steel samples consists of an austenitic matrix and complex carbides precipitated at the grain boundaries. Increase in the Cr + Ni content refines the structure that improves the hardness and the wear resistance. In the heat-treated state, the microstructure reveals two distinct phases: martensite and retained austenite. The increase of heat treatment temperature favours the martensitic transformation, which positively affects the hardness and wear behaviour of studied steels.

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Section: Introductionmentioning

confidence: 99%

Effect of Heat Treatments on the Microstructure and Wear Resistance of a Modified Hadfield Steel

Ayadi¹,

Hadji²

2019

Metallofiz. Noveishie Tekhnol.

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Influence of thermomechanical treatment on the structure, hardness and corrosion behavior of super duplex stainless steel

Bachiri

BADJI

TOUHAMI

et al. 2023

Materials Today: Proceedings

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Study of The Structure and Corrosion Behavior of Al-15%Mo Alloy

Ghelloudj

Gharbi

Bouhamla

et al. 2021

J. Phys.: Conf. Ser.

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The influence of the addition of molybdenum on the structure and corrosion behaviour of aluminium was studied using optical microscopy, scanning electron microscope (SEM), potentiodynamic polarization and electrochemical impedance spectroscopy. The results show that the addition of 15%wt molybdenum causes the precipitation of the AI12Mo intermetallic phase which appears in plate form on the aAl matrix. The results of the electrochemical tests show that the addition of molybdenum displaces the corrosion potential of aluminium towards positive values from -699 mV/ECS to -633 mV/ECS and increases the charge transfer resistance from to 4752 Ω2.cm2 to 6608 Ω2.cm2.

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Influence of Vanadium on the Corrosion Behavior of High Manganese Steel in 0.5 M H₂SO₄ Solution

Cited by 8 publications

References 4 publications

Effect of Heat Treatments on the Microstructure and Wear Resistance of a Modified Hadfield Steel

Effect of Heat Treatments on the Microstructure and Wear Resistance of a Modified Hadfield Steel

Influence of thermomechanical treatment on the structure, hardness and corrosion behavior of super duplex stainless steel

Study of The Structure and Corrosion Behavior of Al-15%Mo Alloy

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Influence of Vanadium on the Corrosion Behavior of High Manganese Steel in 0.5 M H2SO4 Solution

Cited by 8 publications

References 4 publications

Effect of Heat Treatments on the Microstructure and Wear Resistance of a Modified Hadfield Steel

Effect of Heat Treatments on the Microstructure and Wear Resistance of a Modified Hadfield Steel

Influence of thermomechanical treatment on the structure, hardness and corrosion behavior of super duplex stainless steel

Study of The Structure and Corrosion Behavior of Al-15%Mo Alloy

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Product

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Influence of Vanadium on the Corrosion Behavior of High Manganese Steel in 0.5 M H₂SO₄ Solution