Use of calcium in alloys: From modifying to alloying

EA Naumova - Russian Journal of Non-Ferrous Metals, 2018 - Springer
Calcium is one of the most widespread and, consequently, low-cost metals on Earth. It has
been applied for a long time in modifying and alloying alloys of heavy metals, in particular …

Evaluation of calcium treatment on oxide and sulfide inclusions through modification indexes

K Miao, M Nabeel, N Dogan - Metallurgical and Materials Transactions B, 2022 - Springer
In this work, 37 industrial trials were conducted to examine the effect of Ca treatment on
inclusion formation and transformation. The samples were taken from tundish and separated …

Effect of Mg addition on the evolution of inclusions in Al–Ca deoxidized melts

T Zhang, Y Min, C Liu, M Jiang - ISIJ International, 2015 - jstage.jst.go.jp
To investigate the effect of magnesium addition on the evolution of inclusions in Al–Ca
deoxidized melts, both thermodynamic calculations and deoxidized experiments were …

Effects of ferrosilicon alloy, Si content of steel, and slag basicity on compositions of inclusions during ladle furnace refining of Al-killed steel

J Xu, K Wang, Y Wang, Z Qu, X Tu - Journal of Iron and Steel Research …, 2020 - Springer
To obtain solid Al 2 O 3 or MgO· Al 2 O 3 inclusions in ladle furnace (LF) refining process
and achieve ultra-low total oxygen content in steel through subsequent Ruhrstahl Heraeus …

Effect of Ti content on the characteristics of inclusions in Al–Ti–Ca complex deoxidized steel

T Zhang, C Liu, J Qiu, X Li, M Jiang - ISIJ International, 2017 - jstage.jst.go.jp
Experiments with different titanium addition were carried out in alumina crucible without slag
at 1873 K to investigate the variation of inclusion composition, size and morphology in Al–Ti …

Effect of cooling rate on AlN precipitation in FeCrAl stainless steel during solidification

Z Deng, Y He, J Liu, B Yan, Y Yang, A McLean - Metals, 2019 - mdpi.com
The effect of cooling rate on the evolution of AlN inclusions precipitated during solidification
in FeCrAl stainless steel was investigated using an experimental study and thermodynamic …

Inclusion evolution after calcium addition in Al-killed steel with different sulphur content

T Zhang, C Liu, H Mu, Y Li… - Ironmaking & …, 2018 - journals.sagepub.com
The inclusion evolutions after calcium treatment in Al-killed steel with different sulphur
content were determined by chemical experiments and thermodynamics calculations. The …

Influence of calcium treatment on cleanness and fatigue life of 60Si2MnA spring steel

Y Hu, WQ Chen, HB Han… - Ironmaking & Steelmaking, 2017 - journals.sagepub.com
Contrasting experiments of Al killed 60Si2MnA spring steel were carried out between using
and excluding calcium treatment under LF refining slags with low and high basicity ratios (R …

An investigation of non-metallic inclusions in different ferroalloys using electrolytic extraction

Y Wang, A Karasev, PG Jönsson - Metals, 2019 - mdpi.com
Ferroalloys are integral constituents of the steelmaking process, since non-metallic
inclusions (NMIs) from ferroalloys significantly influence the transformation of inclusions …

Thermodynamic analysis of inclusion characteristics in as-cast FeCrAl-(La) alloys

Y He, J Liu, S Qiu, Z Deng, Y Yang… - Ironmaking & …, 2020 - journals.sagepub.com
The characteristics of inclusions in as-cast FeCrAl-(La) alloys were investigated by using
scanning electron microscopy (SEM), energy disperse spectroscopy (EDS) and confocal …