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Manipulating Retained Austenite Fraction and Stability With Controlled Chemical Heterogeneities in Q&P Steels
Advanced high-strength steels go through complex heat treatment processes with the goal of retaining austenite to enhance the mechanical properties....
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Time-Dependent Evolution of Volume Fraction and Stability of Retained Austenite in a Hot-Rolled and Intercritically Annealed Al-Alloyed Medium-Mn Steel
The development of superior mechanical properties in medium-Mn requires the optimization of microstructural parameters such as retained austenite...
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Effect of the Heating Rate on the Austenite Formation Kinetics by Isoconversion Method in Cr–Mo–V Steel
The kineticsKinetics of austenite formationAustenite formation in a Cr–Mo–V low-alloy medium-carbon steelCarbon steel was determined by dilatometric...
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Austenite Morphology and Distribution Dependence of Impact Toughness in S32101 Duplex Stainless Steel Laser Welds
In this study, S32101 duplex stainless steel (DSS) was welded by laser and then subjected to post-weld heat treatment (PWHT) at 1100 °C for various...
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Advancing Duplex Stainless Steel Microstructure: Synergistic Ferrite Grain Refinement and Austenite Formation Through Permanent Magnet Stirring
The effect of permanent magnet stirring (PMS) on the as-cast microstructure of duplex stainless steel was investigated. It is found that high-speed...
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Explaining the Abnormal Dilatation Behavior During the Austenite Formation in a Microstructure of a Low-Carbon Low-Alloy Steel Containing Retained Austenite
During continuous heating of a low-carbon low-alloy steel in a dilatometer, an abnormal macroscopic expansion has been observed in the length change...
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Prediction of Retained Austenite Fraction in Quenching-and-Partitioning (Q&P) Steels Using the Gibbs Energy Balance Approach
AbstractPrediction of retained austenite fraction is quite important in designing advanced high strength steels since retained austenite is the...
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Quantification of Retained Austenite in Low-Carbon Steels
Three steels of carbon content between 0.2 and 0.4 wt pct were directly quenched to room temperature after austenitization at 1223 K (950 °C)....
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Thermokinetic Diagrams of Transformations in Supercooled Austenite in Alloyed Steels
AbstractIndustrial alloyed steels were investigated. Transformations in supercooled austenite upon continuous cooling was analyzed by dilatometry,...
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Evolution of Dendritic Austenite in Parallel With Eutectic in Compacted Graphite Iron Under Three Cooling Conditions
Shrinkage defects are common problems in industrially produced metal cast components. Local density changes occur during freezing, which demand...
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Effect of deformation parameters on the austenite dynamic recrystallization behavior of a eutectoid pearlite rail steel
Understandings of the effect of hot deformation parameters close to the practical production line on grain refinement are crucial for enhancing both...
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A Review of Dendritic Austenite in Cast Irons
Solidification of cast irons usually involves dendritic growth of austenite. This article presents a literature survey about the dendrites in cast...
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Acceleration of Bainitic Transformation Through Chemical Patterning of Austenite
The chemically patterned austenite with alternately distributed Mn-rich and Mn-poor regions is introduced via fast-heating on initial pearlite...
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Suppression of Reverted Austenite in Cold-Rolled Maraging Steels and Its Impact on Mechanical Properties
Maraging steels are precipitation-hardened steels that show an improvement in nearly 80 pct of strength when aged to temperatures of 500 °C, but on...
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Effects of the microstructure and retained/reversed austenite on the corrosion behavior of NiCrMoV/Nb high-strength steel
A comparison of microstructure and corrosion performance has been made between NiCrMoV/Nb steel under different heat treatments in artificial...
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A Hexagonal Grid-Sampling Scheme for Improving X-Ray Diffraction-Retained Austenite Measurements of Sheet Steels
Advanced High-Strength Steels make use of retained austenite to improve mechanical properties. The benefits of the austenitic phase are directly tied...
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Effect of Austenite Grain Size on the Hot Ductility of Nb-Bearing Peritectic Steel
Austenitic grain size is an important factor affecting the hot ductility of steel slabs during continuous casting. In the present study, the effects...
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Microstructure–Mechanical Property Relationship and Austenite Stability in Transformation-Induced Plasticity Steels: Effects of Quenching and Partitioning Processing and Quenching and Tempering Treatments
We elucidate here the underlying reason for the differences in mechanical properties of cold-rolled lightweight medium manganese TRIP steel subjected...
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Deconstructing the Retained Austenite Stability: A Comparative Study of Two-Phase and Bulk Microstructures
The stability of retained austenite is a key factor in the design of advanced high-strength steels that exhibit excellent mechanical performance,...
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Constitutive Flow Equation for Cast Austenite–Ferrite Stainless Steels
Cast duplex (austenite–ferrite) stainless steels are important materials in many domains. Their mechanical properties are altered by thermal aging....
