M. Herrera–Trejo
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View article: Influence of S and Mn Initial Concentrations on the Graphite Branching in Gray Cast Iron as Quantified by 2D Image Analysis
Influence of S and Mn Initial Concentrations on the Graphite Branching in Gray Cast Iron as Quantified by 2D Image Analysis Open
The morphology changes in graphite flakes due to the difference in S and Mn contents were analyzed in gray iron samples with a Carbon Equivalent (CE) of 4.0. Although these Mn and S contents are within the range of industrial usage, the mo…
View article: Influence of Sample Mass and Pouring Temperature on the Effectiveness of Thermal Analysis for Estimating Gray Iron Inoculation Potential
Influence of Sample Mass and Pouring Temperature on the Effectiveness of Thermal Analysis for Estimating Gray Iron Inoculation Potential Open
Thermal analysis (TA) has been a valuable tool for controlling the carbon equivalent (CE) of cast irons. Additionally, this technique can provide enhanced control over melt quality, allowing for the avoidance of defects such as undesirable…
View article: Analysis of the Steelmaking Process via Data Mining and Pearson Correlation
Analysis of the Steelmaking Process via Data Mining and Pearson Correlation Open
The continuous improvement of the steelmaking process is a critical issue for steelmakers. In the production of Ca-treated Al-killed steel, the Ca and S contents are controlled for successful inclusion modification treatment. In this study…
View article: Characterization of Inclusion Size Distributions in Steel Wire Rods
Characterization of Inclusion Size Distributions in Steel Wire Rods Open
The control of inclusions in steel components is essential to guarantee strong performance. The reliable characterization of inclusion populations is essential not only to evaluate the quality of the components but also to allow the use of…
View article: Evolution of inclusion populations in Al-killed steel during the steelmaking process
Evolution of inclusion populations in Al-killed steel during the steelmaking process Open
The increasing demand for higher steel inclusion cleanliness has motivated control over the formation and evolution of inclusions during the production process. To generate knowledge of the formation and evolution of inclusions during the …
View article: Secondary dendritic arm spacing and cooling rate relationship for an ASTM F75 alloy
Secondary dendritic arm spacing and cooling rate relationship for an ASTM F75 alloy Open
The solidification evolution of an ASTM F75 alloy was studied for samples quenched during directional cooling. These samples were obtained using five extraction rates (1.2–18 mm/min) and two temperature gradients (6 and 12 K/mm), leading t…
View article: Evolution of the Inclusion Population During the Processing of Al-killed Steel
Evolution of the Inclusion Population During the Processing of Al-killed Steel Open
The increasing demand for higher inclusion cleanliness levels motivates the control over the formation and evolution of inclusions in the steel production process. In this work, the evolution of the chemical composition and size distributi…
View article: Metallurgical Interaction among BNi-9 and Waspaloy, FSX-414 or 304-Type Stainless Steel under TLP Cycle
Metallurgical Interaction among BNi-9 and Waspaloy, FSX-414 or 304-Type Stainless Steel under TLP Cycle Open
The metallurgical interaction of BNi-9 filler metal paste with Waspaloy, Ni-coated Waspaloy, FSX-414, and 304-SS is studied in a brazing treatment under an argon atmosphere with an isothermal hold for one hour at 1150 °C. The Waspaloy allo…
View article: Phase Selection during Solidification of Ni-10.95 at. % and B-3.23 at. % Si Alloy
Phase Selection during Solidification of Ni-10.95 at. % and B-3.23 at. % Si Alloy Open
To gain insight into the solidification of the Ni-10.95 at. % and B-3.23 at. % Si alloy, 29 cast samples extracted from a casting of this alloy were remelted under an Ar atmosphere, using either DSC or an in-house thermal analysis apparatu…
View article: Peroxidase-Like Activity of Ferrihydrite and Hematite Nanoparticles for the Degradation of Methylene Blue
Peroxidase-Like Activity of Ferrihydrite and Hematite Nanoparticles for the Degradation of Methylene Blue Open
The peroxidase-like catalytic properties of 2-line ferrihydrite (2LFh) and hematite nanoparticles (NPs) for the degradation of methylene blue (MB) were studied. It is highlighted that the hematite NPs were prepared from the transformation …