Simulation of hot-rolled dual-phase weathering steel 09CuPCrNi

Zhang, Chunyu; Cai, Dongyu; Zhao, Tianchen; Yang, Fan; Liao, Bo

doi:10.1016/j.matchar.2005.08.003

Cited by 14 publications

(10 citation statements)

References 7 publications

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“…According to the previous results, the continuous yielding in the FMDP steels was attributed to the high density of mobile dislocations introduced during the austenite transforming to martensite 8,31 . Meanwhile, the dislocation density in the ferrite regions adjacent to martensite particles was higher than that in the ferrite interior regions 21 . The detailed mechanical properties of steel A, B and C are summarized in Table 2.…”

Section: Mechanical Propertiesmentioning

confidence: 86%

“…Due to the characteristic properties of the dual-phase steels such as better deformability than other HSLA steels of similar strengths and the successful using in the automobile industries, this type of dual-phase steel inspires steel makers and provides a good candidate for the strain-based design pipeline steels 15,16 . In the past, some researches discussed about the effect of many factors on the properties of ferrite-martensite dual-phase (FMDP) steels, such as martensite morphology 17,18 , martensite amounts 19 , the tempering and carbon content of ferrite and martensite 20,21 . Moreover, attentions have been devoted to the effect of different initial microstructures on the austenitization during intercritical annealing of dual-phase steels 22,23 .…”

Section: Introductionmentioning

confidence: 99%

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Effect of initial microstructures on the properties of Ferrite-Martensite Dual-Phase pipeline steels with Strain-Based design

Zuo

et al. 2012

Mat. Res.

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This study aims to investigate the effect of initial microstructures on the properties of ferritemartensite dual-phase pipeline steels with strain-based design. For this purpose, the as-received acicular ferrite steels were first austenitized at 920 °C for 15 minutes followed by air cooling and water quenching to produce ferrite-pearlite and ferrite-martensite microstructure, respectively. Subsequently, the steels with ferrite-pearlite, ferrite-martensite and as-received acicular ferrite microstructure were intercritically annealed at 820 °C for 10 minutes followed by water quenching to produce three different ferrite-martensite dual-phase microstructures. Tensile tests, Vickers hardness and Charpy impact tests were carried out to investigate the mechanical properties. Scanning electron microscope was used to analyze the microstructures and tensile fractographs. The results showed that all the tensile specimens of these three different ferrite-martensite dual-phase steels fractured in ductile mode, however, their microstructures and mechanical properties varied significantly. By contrast, the ferrite-martensite dual-phase steel derived from acicular ferrite initial microstructure had optimal combination of the strength, toughness and deformability, which provided a good candidate for the pipeline steels with strain-based design used in severe geological environments.

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Section: Mechanical Propertiesmentioning

confidence: 86%

Section: Introductionmentioning

confidence: 99%

Effect of initial microstructures on the properties of Ferrite-Martensite Dual-Phase pipeline steels with Strain-Based design

Zuo

et al. 2012

Mat. Res.

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“…They are mainly produced by heating the low carbon hypoeutectoid steel between the A c1 and A c3 temperatures in the austenite plus ferrite phase field with subsequent rapid cooling in order to transform the austenite to martensite [4]. In addition to martensite, the microstructure may contain small amounts of other phases such as bainite, pearlite, EF, retained austenite depending on cooling rate [5].…”

Section: Introductionmentioning

confidence: 99%

The effect of microstructure on tensile strength of high martensite dual-phase steels

Saatci¹,

Salamci²

2017

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In this work, different dual phase (DP) microstructures were produced in 15CrNiMo7 steel, in order to study the effect of martensite volume fraction (MVF), martensite morphology (MM), and epitaxial ferrite (EF) on tensile strength behavior. Mechanical properties of five different DP steels have been investigated by carrying out tensile and hardness tests. By increasing the martensite content, both tensile and yield strengths increased. The presence of new ferrite caused a decrease in strength and increase in ductility. Fractography analysis after the tensile test was performed by using SEM.K e y w o r d s : high martensite, morphology, epitaxial ferrite, tensile strength, dual-phase steel

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“…La capa de óxido formada, se denomina pátina, por lo cual estos aceros se denominan "autopatinables". La motivación principal del presente trabajo surge de la discrepancia que existe entre autores [3,4,5,6] en cuanto a la resistencia a la corrosión atmosférica de aceros dual-phase al ser comparados con sus pares ferrítico-perlíticas, además otros autores [7,8,9] no hacen referencia al no especificar cual podría tener mejor comportamiento frente a la corrosión.…”

Section: Introductionunclassified

Comportamiento a la corrosión atmosférica marina de aceros autopatinables con estructura ferrítico perlítica y ferrítico martensítica

et al. 2015

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________________________________________________________________________________________ RESUMENLa industria del acero se encuentra constantemente enfrentada al desafío del desarrollo de nuevos y mejores aceros para diversas necesidades, tales como la necesidad de aceros estructurales con mayor resistencia a la corrosión marina que los que existen en la actualidad, y que además posean una mayor resistencia mecánica. Por ello y en pos de lo anteriormente expuesto es evidente que, investigar en forma sistemática tanto la influencia de los elementos aleantes, como las variables del proceso de fabricación de aceros estructurales resistentes a la corrosión marina es relevante para el desarrollo del mercado acerero nacional.El presente trabajo tendrá por objetivo, la comparación de comportamiento a la corrosión atmosférica marina (espesor corroído en el tiempo) entre aceros de composición autopatinable (ASTM A242 y ASTM A588) con estructuras ferrítico-perlítica y ferrítico-martensítica. Para lo anterior se realizaron ciclos de humectación salina y secado. La humectación salina se realizó en cámara de niebla salina, de acuerdo a los requerimientos presentados en la norma ASTM B177, y el secado, en una mufla a 40 °C. Tras el retiro de muestras, se realizaron decapados químicos, según lo requerido en ASTM G1, para la determinación de espesor corroído. Palabras clave: ambiente marino, corrosión acelerada, aceros autopatinables. ____________________________________________________________________________________ ABSTRACTThe steel industry constantly faces the challenge of developing new and better steels for diverse needs, on of this necessities is the use of structural steels with higher corrosion resistance to marine atmospheres and improved mechanical properties than those that currently exist. Therefore, it is necessary to systematically research both the influence in the corrosion resistant to marine atmospheres of the alloying elements, and others variables such as changes in the manufacturing process of this materials.This work aims to compare the behavior on marine atmospheric corrosion between weathering steels (ASTM A242 and ASTM A588) with ferritic-pearlitic and ferritic-martensitic structures. Wetting and drying cycles were performed. Saline wetting was performed in a salt spray apparatus, according to ASTM B177, while

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Simulation of hot-rolled dual-phase weathering steel 09CuPCrNi

Cited by 14 publications

References 7 publications

Effect of initial microstructures on the properties of Ferrite-Martensite Dual-Phase pipeline steels with Strain-Based design

Effect of initial microstructures on the properties of Ferrite-Martensite Dual-Phase pipeline steels with Strain-Based design

The effect of microstructure on tensile strength of high martensite dual-phase steels

Comportamiento a la corrosión atmosférica marina de aceros autopatinables con estructura ferrítico perlítica y ferrítico martensítica

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