Results 41 to 50 of about 4,141 (224)
A lamellar microstructure is, beside a granular and dispersive one, the most frequently observed microstructure in the case of metal alloys. The most well-known lamellar microstructure is pearlite, a product of a eutectoidal transformation in the Fe-Fe3C
Czarski A., Skowronek T., Matusiewicz P.
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On the pathway to climate‐neutral steel production, recycling fractions will necessarily increase over time. Since alloying elements will enrich progressively, as they cannot be removed economically from the melt, processes need to be adjusted.
Anindita Chakraborty +3 more
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In this work, the cementite spheroidization was realized by quenching and high-temperature tempering, which improved the anti-corrosion performance and strength of ferrite-pearlite low alloy steel.
Hu Liu +3 more
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The phase transformation behavior of a hypoeutectoid steel is studied in comparison with alloys containing higher concentrations of tramp elements, simulating high recycling rates. The examination of microstructures reveals that the tramp elements facilitate the formation of displacive phases along with retained austenite.
Lukas Hatzenbichler +7 more
wiley +1 more source
The Role of Microstructure in High Temperature Tribology of Iron Alloys [PDF]
The present paper describe the issue of tool materials wear in a high temperature conditions. The investigations were performed at the cast steel tool material at the tribological contact to the structural steel.
J. Krawczyk +6 more
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Structural Phase Transformation of Rail Steel in Compression
The analysis of structure and defective substructure of rail steel in uniaxial compression to a degree of 50% is carried out. It is revealed that cold hardening has a multi-stage character and is accompanied by fragmentations of pearlite grains which is ...
Krestina Aksenova +4 more
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Influence of Higher Tramp Element Level on the Weldability of Automotive Steels
The use of green recycled steels is constantly expanding in the automotive industry. The increase in tramp elements resulting from the recycling of steel is problematic. Tramp elements can lead to a negative influence on the weldability. To understand the influence, the welding properties of three green steels are characterized. The potential limits of
Elias Gebhard Vogt +6 more
wiley +1 more source
An Investigation on Divorced Eutectoid Growth of Cementite in Eutectoid Steel [PDF]
Divorced eutectoid growth of cementite in AISI 1080 steel is investigated as a function of cooling rate for incomplete austenitization-based heat treatment.
Prasenjit Biswas, Joydeep Maity
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Cementite Formation in CH4-H2-Ar Gas Mixture and Cementite Stability.
Iron ore reduction/cementation by CH 4 -H 2 -Ar gas (35vol% CH 4 , 55vol% H 2 and 10 vol% Ar) was examined in a fixed bed reactor in the temperature range of 600-925°C. Iron oxides were first reduced to metallic iron and then iron was carburised to cementite.
Zhang, Jianqiang, Ostrovski, O.
openaire +2 more sources
Using Thermodynamics and Microstructure to Mitigate Overfitting in Pellet Reduction Models
A in time and space discretized, thermodynamically sound model for direct reduction of iron oxide pellets is described. The number of fitting parameters is drastically reduced compared to existing models. Nevertheless, fitting kinetic parameters based on conversion degree data alone leads to overfitting, which can be mitigated by correlating the ...
Ömer K. Büyükuslu +4 more
wiley +1 more source

