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  1. International Journal of Minerals, Metallurgy, and Materials
  2. International Journal of Minerals, Metallurgy, and Materials : Volume 18
  3. International Journal of Minerals, Metallurgy, and Materials : Volume 18, Issue 5, October 2011
  4. Inclusion variations and calcium treatment optimization in pipeline steel production
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International Journal of Minerals, Metallurgy, and Materials : Volume 24
International Journal of Minerals, Metallurgy, and Materials : Volume 23
International Journal of Minerals, Metallurgy, and Materials : Volume 22
International Journal of Minerals, Metallurgy, and Materials : Volume 21
International Journal of Minerals, Metallurgy, and Materials : Volume 20
International Journal of Minerals, Metallurgy, and Materials : Volume 19
International Journal of Minerals, Metallurgy, and Materials : Volume 18
International Journal of Minerals, Metallurgy, and Materials : Volume 18, Issue 6, December 2011
International Journal of Minerals, Metallurgy, and Materials : Volume 18, Issue 5, October 2011
A model to determine hole spacing in the rock fracture process by non-explosive expansion material
Effectiveness of sodium silicate as gangue depressants in iron ore slimes flotation
Zinc bioleaching from an iron concentrate using Acidithiobacillus ferrooxidans strain from Hercules Mine of Coahuila, Mexico
Inclusion variations and calcium treatment optimization in pipeline steel production
Numerical investigation of the effect of transitory strand opening on mixing in a multistrand tundish
Effects of Si on the stability of retained austenite and temper embrittlement of ultrahigh strength steels
Effect of cooling parameters on the microstructure and properties of Mo-bearing and Cr-bearing steels
Effects of cold rolling on the microstructure and mechanical properties of Fe-Ni-Mn-Mo-Ti-Cr maraging steels
Simulation of the continuous casting process in a mold of free-cutting steel 38MnVS based on a MiLE method
Kinetics of recrystallization for twin-roll casting AZ31 magnesium alloy during homogenization
Grain boundary characteristics and tensile properties of Ti14 alloy after semi-solid deformation
Mechanical properties of directionally solidified lead-antimony alloys
Comparative study of oxidation ability between boron-doped diamond (BDD) and lead oxide (PbO$_{2}$) electrodes
Synthesis and characterization of Pt-MoO$_{ x }$-TiO$_{2}$ electrodes for direct ethanol fuel cells
Influence of Ag doping on the microstructure and electrical properties of ZnO-Bi$_{2}$O$_{3}$-based varistor ceramics
Synthesis, characterization, and theoretical study of N, S-codoped nano-TiO$_{2}$ with photocatalytic activities
Electroless copper-phosphorus coatings with the addition of silicon carbide (SiC) particles
Thermal conductivity model of filled polymer composites
International Journal of Minerals, Metallurgy, and Materials : Volume 18, Issue 4, August 2011
International Journal of Minerals, Metallurgy, and Materials : Volume 18, Issue 3, June 2011
International Journal of Minerals, Metallurgy, and Materials : Volume 18, Issue 2, April 2011
International Journal of Minerals, Metallurgy, and Materials : Volume 18, Issue 1, February 2011
International Journal of Minerals, Metallurgy, and Materials : Volume 17

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Inclusion variations and calcium treatment optimization in pipeline steel production

Content Provider Springer Nature Link
Author Liu, Jian hua Wu, Hua jie Bao, Yan ping Wang, Min
Copyright Year 2011
Abstract SiCa line and SiCaBaFe alloy were injected into liquid pipeline steel at the end of LF refining as calcium treatment, and samples were taken from the ladles, mould, and slabs. Analysis of Ca content and inclusions shows that Ca content in steel decreases obviously in the following process after calcium treatment; the compositions, morphology, and sizes of inclusions also vary much in the production; primary inclusions in the ladles prior to calcium treatment are mainly Al$_{2}$O$_{3}$ inclusions, but they turn to fine irregular CaS-CaO-Al$_{2}$O$_{3}$ compound inclusions after the treatment, then become fine globular CaO-Al$_{2}$O$_{3}$ inclusions in the mould, and finally change to a few larger irregular CaS-CaO-Al$_{2}$O$_{3}$ complex inclusions in the slabs. Thermodynamic study reveals that inclusion variations are related with the preferential reactions among Ca, Al$_{2}$O$_{3}$, and S and the precipitation of S in CaO-Al$_{2}$O$_{3}$ inclusions with high sulfur capacity. New evaluation standards for calcium treatment in high-grade pipeline steel were put forward according to the inclusion variations and requirements of pipeline steel on inclusion controlling, and the calcium process was studied and optimized.
Starting Page 527
Ending Page 534
Page Count 8
File Format PDF
ISSN 16744799
Journal International Journal of Minerals, Metallurgy, and Materials
Volume Number 18
Issue Number 5
e-ISSN 1869103X
Language English
Publisher University of Science and Technology Beijing
Publisher Date 2011-10-04
Publisher Place Beijing
Access Restriction One Nation One Subscription (ONOS)
Subject Keyword pipeline steel refining inclusions calcium treatment thermodynamics precipitation Materials Science Metallic Materials Characterization and Evaluation of Materials Ceramics, Glass, Composites, Natural Methods Surfaces and Interfaces, Thin Films Tribology, Corrosion and Coatings
Content Type Text
Resource Type Article
Subject Materials Chemistry Mechanics of Materials Metals and Alloys Geochemistry and Petrology Mechanical Engineering
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