Investigation of gamma-ray attenuation coefficients for solid boronized 304L stainless steel

Araz, Sule Ocak; Gümüş, Hasan; Bayça, Salih Uğur; Aydın, A.

doi:10.1016/j.apradiso.2021.109605

Cited by 11 publications

(3 citation statements)

References 32 publications

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“…1 exemplary images of the microstructure obtained on the cross-section of the boride layers on the X6CrNiTi18-10 steel have been presented. It is known [9,[27][28][29][30] that the thickness and phase composition of boron layers are strictly dependent on the applied parameters of the thermo-chemical treatment. As can be seen from Fig.…”

Section: Resultsmentioning

confidence: 99%

Effect of boronizing process of AISI 321 stainless steel surface on its corrosion resistance in acid environment (pH = 1)

Jagielska-Wiaderek¹

2021

Manufacturing Technology

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The paper presents results of research under the effect of surface thermo-chemical treatment on the corrosion resistance of X6CrNiTi18-10 steel. The corrosion resistance of the surface layers of stainless steel obtained as a result of thermo-chemical treatment (boronizing process) was assessed using the method of progressive thinning, which consists in performing corrosion tests on deeper and deeper areas of the surface layer. This method allowed for the determination of changes in individual characteristic corrosion parameters read from the potentiokinetic polarization curves and the determination of the depth profiles of these parameters. In the paper, results of tests of X6CrNiTi18-10 steel resistance to general corrosion, performed in acidified sulphate solutions (pH = 1) have been presented. The thickness of the surface layer was assessed on the basis of structural tests and changes in microhardness on the cross-section of the material. It has been found that the extremely high hardness of the boron layer was accompanied by deterioration of the corrosion resistance. The general corrosion rate of the surface layer is 3-4 times higher than the corrosion rate of the material core (substrate). The characteristics of the passive state of steel are particularly worsened, which is manifested by an increase in the value of the critical passivation current, the minimum current in the passive range and by limiting the tendency to secondary passivation.

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Section: Resultsmentioning

confidence: 99%

Effect of boronizing process of AISI 321 stainless steel surface on its corrosion resistance in acid environment (pH = 1)

Jagielska-Wiaderek¹

2021

Manufacturing Technology

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“…Since 10 B exhibited both the large hot neutron absorption and low corresponding maximum energy of γ-ray, many typical materials like B 4 C reinforced Al alloys, 7,8 boron steels, 5 and B 4 C modified polymers 6,9 were developed. Owing to the good tensile strength and plasticity, B 4 C-Al metal matrix composites were widely used in wet or dry container for the storage and transportation of spent nuclear fuel.…”

Section: Introductionmentioning

confidence: 99%

“…With the development of nuclear energy, future nuclear reactors and other nuclear power systems tend to be smart with decreased size and enhanced mobility 3 . Nevertheless, traditional shielding materials like shielding concrete, 4 high boron steel, 5 and lead boron polyethylene 6 are usually used in traditional large‐scale commercial nuclear power plants, but difficult to meet the special requirements of advanced radiation protection design exhibiting improved shielding effectiveness, light‐weight, limited size with customized/complex structure. Therefore, new composite shielding materials should be explored.…”

Section: Introductionmentioning

confidence: 99%

Additive manufacturing of B4C‐W‐based composites via fused deposition molding using highly filled granular feedstocks

Sun

Zhang

et al. 2023

Int J Applied Ceramic Tech

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The miniaturization and mobility of nuclear reactors have become an important trend in the development of nuclear energy. In order to simplify the design of shielding materials with improved complexity and reduced weight, 3D B4C‐W‐based composites were fabricated via fused deposition molding using highly‐filled granular feedstocks containing 62 vol% B4C‐W powders (boron carbide accounted for 30 wt% and tungsten for 70 wt%) and 38 vol% polymer binders (60 wt% Carnauba wax, 22 wt% polypropylene, 13 wt% polystyrene, and 5 wt% stearic acid). The rheological properties and microstructure of the feedstock and extruded filaments were clarified. Roles of the printing parameters including extrusion temperature, platform temperature and deposited‐layer height in the morphology of 3D composites were investigated in detail. Extruded filaments with good shape retention, dense fracture surface, and uniformly dispersed B4C‐W grains were achieved, benefiting from the smooth printing and shear thinning behaviour of the feedstock. Defects including warping, small pores or stacking pores could be formed under improper printing parameters, owing to the poor bonding strength between deposited layers induced by thermal internal stress or decomposition of wax. 3D composites with large size of 130 × 130 × 5 mm were fabricated, which showed a satisfactory compressive strength of 34.8 MPa. This work showed a facile route to fabricate 3D radiation shielding materials based on highly‐filled polymers.

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Impacts of the colemanite on the enhancement of the radiation shielding capacity of polypropylene

Ekinci

Mahmoud

Aygün

et al. 2022

J Mater Sci: Mater Electron

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Investigation of gamma-ray attenuation coefficients for solid boronized 304L stainless steel

Cited by 11 publications

References 32 publications

Effect of boronizing process of AISI 321 stainless steel surface on its corrosion resistance in acid environment (pH = 1)

Effect of boronizing process of AISI 321 stainless steel surface on its corrosion resistance in acid environment (pH = 1)

Additive manufacturing of B4C‐W‐based composites via fused deposition molding using highly filled granular feedstocks

Impacts of the colemanite on the enhancement of the radiation shielding capacity of polypropylene

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