Microstructure and mechanical properties of P265GH cast steel after modification with TiCN particles

Lazarova, R.; Petrov, Roumen; Gaydarova, V.; Davidkov, Aleksandar; Alexeev, Alexander; Manchev, M.; Манолов, В.

doi:10.1016/j.matdes.2011.01.024

Cited by 58 publications

(38 citation statements)

References 7 publications

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“…Recently, some modifications of the solidification process have been developed in order to overcome aforementioned drawbacks of conventional manufacturing methods [1][2][3]. These modifications include e.g.…”

Section: Introductionmentioning

confidence: 99%

“…a mechanical vibration, an electromagnetic induction). An addition of nanoand micron-sized particles is a new method for an improvement of mechanical properties of metals and alloys through their microstructure modification [1,[3][4][5]. One of the most important required feature of these modifiers is their good chemical and thermal stability (originating from a high melting temperature).…”

Section: Introductionmentioning

confidence: 99%

“…Lazarova et al [1] reported that nano-modifiers strongly increase the part of the surface energy in the complete energy balance of the alloy, which determines the phase transformations. On the other hand, the nano-modifiers have a low wettability and they are hardly wetted by a molten material.…”

Section: Introductionmentioning

confidence: 99%

“…Carbides, borides, nitrides and oxides nano-particles are usually used as modifiers in order to both improve a mictrostructure of actually existed cast materials as well as to create a new materials design [1][2]6,[10][11]. In practice, the choice of modifiers is related to economic reasons and ease of performing the procedure modification.…”

Section: Introductionmentioning

confidence: 99%

“…The modification with nano and micron-sized particles has been already successfully performed in e.g. cast iron and steels [1,10], Al alloys [3] or Mg alloys [6]. In recent years intermetallic based alloys from transition metals -aluminum binary systems (e.g.…”

Section: Introductionmentioning

confidence: 99%

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The Effect of Nanometric α-Al2O3 Addition on Structure and Mechanical Properties of Feal Alloys Fabricated by Lens Technique

Łazińska¹,

Durejko²,

Polkowski³

2017

Archives of Metallurgy and Materials

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Results of the first principle study on a fabrication of FeAl intermetallic based alloy with an addition of nanometric αAl 2 O 3 (n-Al 2 O 3 ) particles by the LENS method and a subsequent characterization of the as received materials' structure and properties, are shown in the present work. A series of samples were manufactured using LENS technique while a control of temperature and the size of melted metal pool.The presence of ceramics nanoparticles was not directly confirmed by microscopy observations. Neither aluminum nor oxygen content was not elevated in the material with n-Al 2 O 3 content. Although, indirect methods revealed influence of n-Al 2 O 3 addition on the manufactured elements structure. Analyses of porosity has shown that addition of 2% vol. n-Al 2 O 3 significantly decreases this feature (~1%), as compared to the reference material made of pure FeAl intermetallic alloy (~5%). The addition of n-Al 2 O 3 causes an increase of grain size in Fe40Al intermetallic alloy. An oxidation resistance has been also improved what was associated to the n-Al 2 O 3 addition. Four times lower increase of samples mass was noticed for sample with the n-Al 2 O 3 addition as compared to the pure Fe40Al intermetallic alloy.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

The Effect of Nanometric α-Al2O3 Addition on Structure and Mechanical Properties of Feal Alloys Fabricated by Lens Technique

Łazińska¹,

Durejko²,

Polkowski³

2017

Archives of Metallurgy and Materials

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Microstructure and Tensile Properties of Graphite Ductile Iron Improved by Minor Amount of Dual‐Phased TiC–TiB₂ Nanoparticles

et al. 2021

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Herein, the effects of dual‐phased TiC–TiB2 nanoparticles on the microstructure and tensile properties of graphite ductile irons are investigated. Aluminum master alloys containing the TiC–TiB2 nanoparticles are utilized in the production of novel graphite ductile irons. It is found that the graphite nodules become finer with increased nodularity, smaller average diameter, and incremental amount per unit area. The thickness of ferritic and cementite layers in pearlite is reduced and the orientation becomes more regular. More ferrite is produced in the matrix after adding the nanoparticles. In tensile tests, the yield strength, tensile strength, and ductility are simultaneously improved. Also, it is determined that the cleavage and semicleavage fractures are transformed into ductile fractures after engaging the nanoparticles, which could be associated with more dimples and ductile risers being formed to promote the plastic deformation of the graphite ductile irons.

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Improvement of Utilization Ratio of Nanoparticles in Steel and Its Influence on Acicular Ferrite Formation

Gao

Yang²,

Li³

et al. 2017

steel research int.

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In the present study, 35MnVS experimental steels containing nanoparticles are manufactured using a vacuum induction furnace (VIF), as well as a vacuum induction levitation furnace (VILF). The differences on the utilization ratio of nanoparticles (URN), inclusion characteristics, and steel microstructure between the original steel and experimental steels are compared. The results reveal that the steel processed with a VILF has a higher URN that helps to form a finer inclusion size range. There is a critical size for each inclusion, and only when the inclusion size is the critical value, the inclusions can efficiently induce acicular ferrites (AF). Among the three steels, only the inclusion size range of the VILF steel is less than the critical size which is between %2.2 and %5.2 m. Therefore, the inclusions in VILF steel have a relatively stronger ability on inducing AF, and that is revealed by its microstructure showing large proportions of AF.

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Microstructure and mechanical properties of P265GH cast steel after modification with TiCN particles

Cited by 58 publications

References 7 publications

The Effect of Nanometric α-Al2O3 Addition on Structure and Mechanical Properties of Feal Alloys Fabricated by Lens Technique

The Effect of Nanometric α-Al2O3 Addition on Structure and Mechanical Properties of Feal Alloys Fabricated by Lens Technique

Microstructure and Tensile Properties of Graphite Ductile Iron Improved by Minor Amount of Dual‐Phased TiC–TiB₂ Nanoparticles

Improvement of Utilization Ratio of Nanoparticles in Steel and Its Influence on Acicular Ferrite Formation

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Microstructure and mechanical properties of P265GH cast steel after modification with TiCN particles

Cited by 58 publications

References 7 publications

The Effect of Nanometric α-Al2O3 Addition on Structure and Mechanical Properties of Feal Alloys Fabricated by Lens Technique

The Effect of Nanometric α-Al2O3 Addition on Structure and Mechanical Properties of Feal Alloys Fabricated by Lens Technique

Microstructure and Tensile Properties of Graphite Ductile Iron Improved by Minor Amount of Dual‐Phased TiC–TiB2 Nanoparticles

Improvement of Utilization Ratio of Nanoparticles in Steel and Its Influence on Acicular Ferrite Formation

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Product

Resources

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Microstructure and Tensile Properties of Graphite Ductile Iron Improved by Minor Amount of Dual‐Phased TiC–TiB₂ Nanoparticles