Results 51 to 60 of about 10,505 (224)

Structural Phase Transformation of Rail Steel in Compression

Metals, 2022
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, Victor Gromov, Yurii Ivanov, Rongshan Qin, Ekaterina Vashchuk   +4 more
doaj   +1 more source

An Investigation on Divorced Eutectoid Growth of Cementite in Eutectoid Steel [PDF]

Archives of Metallurgy and Materials, 2020
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
doaj   +1 more source

Optimisation of post-drawing treatments by means of neutron diffraction

, 2008
The mechanical properties and the durability of cold-drawn eutectoid wires (especially in aggressive environments) are influenced by the residual stresses generated during the drawing process.
Atienza, Atienza, Atienza, Daymond, Dove, E.C. Oliver, Elices, Elices, Elices, Gil Sevillano, Gil Sevillano, Gil-Sevillano, Gnaupel-Herold, Godfrey, J. Ruiz-Hervias, J.M. Atienza, Lanford, Llorca, M. Elices, Martinez-Perez, Noyan, Renz, Ruiz, Ruiz-Hervias, Santisteban, Tomota, Van Acker, Verpoest, Zelin   +28 more
core   +1 more source

Alteration of Phase Transformation Behavior and Prior Austenite Grain Structure Due to Elevated Tramp Element Concentrations in a Hypoeutectoid Steel

steel research international, EarlyView.
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, Marek Gocnik, Phillip Haslberger, Matthew Galler, Andreas Stark, Oleksandr Glushko, Jozef Keckes, Ronald Schnitzer   +7 more
wiley   +1 more source

In situ high-temperature Mössbauer spectroscopic study of carbon nanotube-Fe-Al2O3 nanocomposite powder [PDF]

, 2009
The oxidation of a carbon nanotube–Fe–Al2O3 nanocomposite powder was investigated using notably thermogravimetric analysis, room temperature transmission and emission Mössbauer spectroscopy and, for the first time, in situ high-temperature transmission ...
De Grave, Eddy, Gonzaga de Resende, Valdirene, Laurent, Christophe, Peigney, Alain   +3 more
core   +2 more sources

Influence of Higher Tramp Element Level on the Weldability of Automotive Steels

steel research international, EarlyView.
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, Patrick Veyel, Lars Gebel, Christian Meyer, Robert Thomas, Michael Thomas, Christoph Herrmann   +6 more
wiley   +1 more source

Justification of the Changes in Work Hardening Exponent Based on Micro-Mechanisms of Deformation in a Plain Carbon Steel [PDF]

Archives of Metallurgy and Materials
Although several studies have been conducted on the evaluation of work hardening behavior of dual-phase steels with the Hollomon equation, few studies have investigated the factors affecting the number of work hardening stages and the changes of work ...
M.S. Mohsenzadeh
doaj   +1 more source

Pressure dependence of Raman modes in double wall carbon nanotubes filled with α-Fe. [PDF]

, 2008
The preparation of highly anisotropic one-dimensional (1D) structures confined into carbon nanotubes (CNTs) in general is a key objective in CNTs research. In this work, the capillary effect was used to fill double wall carbon nanotubes with iron.
Borowiak-Palen E., C. Power, Dresselhauss M. S., E. Belandria, E. Flahaut, F. Gonzalez-Jimenez, Flahaut E., J. González, J. Jorge, J. M. Broto, Jain D., Jorge J., Karmacar S., Li Y., Li Y. F., M. Millot, Marco J. F., Pichot V., Ruskov T., S. Nanot, Weissmann M.   +20 more
core   +2 more sources

Using Thermodynamics and Microstructure to Mitigate Overfitting in Pellet Reduction Models

steel research international, EarlyView.
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, Fabrice Yang, Dierk Raabe, Moritz to Baben, Anna L. Ravensburg   +4 more
wiley   +1 more source

Studies and Researches on Heating Microstructures of Some Steels

Scientific Bulletin of Valahia University: Materials and Mechanics, 2022
An important category of widely used steels is chromium alloy improvement steels (STAS 9382/4-89) intended for the execution of shafts, axles, cams, sprockets and sprockets subjected to operation at important demands.
Stoian Elena Valentina, Bratu Vasile, Bratu Ruxandra Elena, Petre Ivona Camelia, Enescu Maria Cristiana, Rusanescu Carmen Otilia   +5 more
doaj   +1 more source