On the Capability of Nonmetallic Inclusions to Act as Nuclei for Acicular Ferrite in Different Steel Grades
Sign Up to like & getrecommendations! Published in 2017 at "Metallurgical and Materials Transactions B"
DOI: 10.1007/s11663-017-0984-y
Abstract: Acicular ferrite nucleates intragranularly on nonmetallic inclusions, forming a microstructure with excellent fracture toughness. The formation of acicular ferrite is strongly affected by the size, content, and composition of nonmetallic inclusions, but also by the… read more here.
Keywords: steel grades; acicular ferrite; nonmetallic inclusions; capability ... See more keywords
Microstructural and Inclusion Characteristics of C–Mn Steel Welds at a Minimal Level of Titanium
Sign Up to like & getrecommendations! Published in 2019 at "Metals and Materials International"
DOI: 10.1007/s12540-019-00390-4
Abstract: Abstract To better determine the lower limit of titanium content for the formation of acicular ferrite, C–Mn steel welds varying the titanium concentration at a minimal level from nearly zero to about 30 ppm have been… read more here.
Keywords: minimal level; steel welds; titanium; acicular ferrite ... See more keywords
Effects of TiC on the microstructure and formation of acicular ferrite in ferritic stainless steel
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Minerals, Metallurgy and Materials"
DOI: 10.1007/s12613-019-1845-2
Abstract: k]The formation mechanism of acicular ferrite and its microstructural characteristics in 430 ferrite stainless steel with TiC additions were studied by theory and experiment. Using an “edge-to-edge matching” model, a 5.25 mismatch between TiC (FCC… read more here.
Keywords: stainless steel; ferritic stainless; acicular ferrite; formation ... See more keywords
Effects of Mg-Al-O-Mn-S inclusion on the nucleation of acicular ferrite in magnesium-containing low-carbon steel
Sign Up to like & getrecommendations! Published in 2018 at "Materials Characterization"
DOI: 10.1016/j.matchar.2018.05.005
Abstract: Abstract The effects of inclusion size and chemical composition on acicular ferrite (AF) nucleation and possible nucleation mechanisms were discussed. With the use of low-carbon structure steel containing 13 ppm Mg, the chemical composition and size of… read more here.
Keywords: acicular ferrite; low carbon; nucleation; effects inclusion ... See more keywords
Acicular ferrite nucleation mechanism in laser-MAG hybrid welds of X100 pipeline steel
Sign Up to like & getrecommendations! Published in 2021 at "Materials Letters"
DOI: 10.1016/j.matlet.2021.130603
Abstract: Abstract Acicular ferrite nucleation mechanism in laser-MAG hybrid welding of X100 pipeline steel is studied in this paper. The experimental results show that the inclusions are mainly composed of Ti2O3 and Al2O3 in the weld,… read more here.
Keywords: nucleation; acicular ferrite; x100 pipeline; ferrite nucleation ... See more keywords
Study on toughening mechanism of Ti on weld metal of high strength steel
Sign Up to like & getrecommendations! Published in 2021 at "Materials Research Express"
DOI: 10.1088/2053-1591/abf281
Abstract: The effect of Ti element on acicular ferrite microstructure of high strength steel weld was studied by scanning electron microscope(SEM), Transmission electron microscopy(TEM) and EDX spectrum analysis. The results show that Ti element content in… read more here.
Keywords: strength; high strength; acicular ferrite; weld metal ... See more keywords
Transformation of M/A Constituents during Tempering and Its Effects on Impact Toughness of Weld Metals for X80 Hot Bends
Sign Up to like & getrecommendations! Published in 2019 at "Advances in Materials Science and Engineering"
DOI: 10.1155/2019/6429045
Abstract: Impact toughness of the weld metal is one of the important factors affecting the quality of hot bends, which is strongly dependent on the microstructure transformation during hot bending and tempering. In this study, three… read more here.
Keywords: acicular ferrite; weld metals; hot bends; impact toughness ... See more keywords
Mechanism of BN-Promoting Acicular Ferrite Nucleation to Improve Heat-Affected Zone Toughness of V-N-Ti Microalloyed Offshore Steel
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15041420
Abstract: This study examined the effect of boron (B) on the microstructure and toughness of the simulated coarse-grained heat-affected zone (CGHAZ) of normalized vanadium microalloyed offshore steel by using the welding thermal simulation method under different… read more here.
Keywords: microalloyed offshore; affected zone; offshore steel; acicular ferrite ... See more keywords