Synthetic Data Generation for Steel Defect Detection and Classification Using Deep Learning

Бойков, А. В.; Payor, V. A.; Savelev, R. V.; Kolesnikov, Alexandr

doi:10.3390/sym13071176

Cited by 90 publications

(40 citation statements)

References 24 publications

(25 reference statements)

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“…The following traditional methods are most commonly used in industry to refine the structure of such metals: heat treatment based on phase transformations, cold pressure treatment of metals followed by heat treatment, often in the form of recrystallization annealing, and thermomechanical treatment. Such conventional methods allow to grind the microstructure to ultrafine grains (d ≈ 1–10 μm) [ 4 , 5 , 6 , 7 , 8 ]. In recent years, many articles have been written showing that there are severe plastic deformation (SPD) methods that can remove this limitation and grind the microstructure to 0.1 μm and below directly during deformation [ 9 , 10 , 11 , 12 , 13 , 14 , 15 ].…”

Section: Introductionmentioning

confidence: 99%

Study of the Properties of Antifriction Rings under Severe Plastic Deformation

et al. 2022

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The paper studies the properties of brass workpieces for antifriction rings under severe plastic deformation by high-pressure torsion. The evolution of microstructure and mechanical properties of deformed workpieces after six cycles of deformation by high-pressure torsion at 500 °C have been studied. All metallographic studies were performed using modern methods: transmission electron microscopy (TEM) and analysis electron back scatter diffraction patterns (EBSD). The deformation resulted in an ultrafine grained structure with a large number of large-angle boundaries. The strength properties of brass increased compared to the initial state almost by three times, the microhardness also increases by three times, i.e., increased from 820 MPa in the initial state to 2115 MPa after deformation. In this case, the greatest increase in strength properties occurs in the first two cycles of deformation.

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Section: Introductionmentioning

confidence: 99%

Study of the Properties of Antifriction Rings under Severe Plastic Deformation

et al. 2022

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“…Expansive clay soils spread over large areas all over the world. The properties of these problematic soils at shallow depth show volume change from variations in soil moisture, due to seepage of water into the soils during rains [ 18 , 19 ]. These soils contain the clay mineral montmorillonite, which causes swelling and shrinking in the ground due to increasing and decreasing water content [ 20 , 21 ].…”

Section: Introductionmentioning

confidence: 99%

Compaction Characteristics and Permeability of Expansive Shale Stabilized with Locally Produced Waste Materials

et al. 2022

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Waste is available in an abundant form and goes to landfill without any use, creating threats to the environment. Recent and past studies have used different types of waste to stabilize soil and reduce environmental impacts. However, there is a lack of studies on the combined use of marble dust, rice-husk ash, and saw dust in expansive shale soil. The current study tries to overcome such a gap in the literature, studying the effect of marble dust, rice-husk ash, and saw dust on expansive shale’s compaction characteristics and permeability properties. According to unified soil classification and the AAHTO classification system, the geotechnical properties of natural soil are classified as clay of high plasticity (CH) and A-7-5. Several tests are performed in the laboratory to investigate the compaction characteristics and permeability properties of expansive shale. Moreover, permeability apparatus is used to investigate the permeability properties of soil. In addition, due to the accuracy of the apparatus, the conventional apparatus has been partly modified. The experimental results show that the addition of waste to the soil has significantly improved soil stabilization, increasing permeability and decreasing plasticity indexes. In addition, there is a gradual decrease in the dry density of soil and an increase in the permeability of stabilized soil. Based on the outcomes of the current study, it claims and concludes that these waste materials can be used as soil stabilizers or modifiers, instead of being dumped in landfill, which will provide a green, friendly, and sustainable environment. The current study recommends that future researchers use various wastes in the concrete and soil to improve their compaction and mechanical properties.

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“…In [ 22 , 23 , 24 ], it was proposed to use synthesized calcium silicate hydrates (CSH) to increase the durability of lime coatings. A lime composition has been developed for finishing and restoring the walls of buildings in the form of a dry mixture containing a filler based on CSH and allowing to obtain mortar mixtures with a water-retaining capacity of 98–99%, drying time of 15–20 min, pot life 1–1.5 h. Coatings based on the proposed dry mortar (DM) are characterized by a vapor permeability coefficient of 0.05 mg/m·h·Pa, adhesion strength of 0.6–0.9 MPa, compressive strength of 3–4 MPa.…”

Section: Introductionmentioning

confidence: 99%

Improving the Durability of Lime Finishing Mortars by Modifying Them with Silicic Acid Sol

et al. 2022

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Lime materials are in great demand for the restoration of the walls of historical buildings. However, lime coatings have insufficient resistance during operation. The purpose of this work was the modification of lime mortars with silicic acid sol in order to obtain more durable crystalline materials for construction purposes. A technology has been developed for obtaining a silica-containing additive, which consists in passing a liquid glass solution with a density of 1.053 kg/m3 through a cationic column and obtaining a silicic acid sol with a pH of 3–4 and a charge of (−) 0.053 V. The regeneration time and the amount of sol have been determined. Regularities of change in the radius of particles of silicic acid sol depending on age are determined. It is established that at an early age (up to 5 days), the radius of sol particles can be determined in accordance with the Rayleigh equation, and at a later age, in accordance with the Heller equation. The results of the calculation show that at the age of 1–5 days, the radius of the sol particles is 17.1–17.9 nm, and then the particles become coarser and the particle radius is 131.2–143 nm at the age of 19 days. The work of adhesion of silicic acid sol to lime and the heat of wetting are estimated. It is shown that the work of adhesion of water to lime is 28.9 erg/cm2, and that of the sol is 32.8 erg/cm2. The amount of heat Q released when lime is wetted with SiO2 sol is 15.0 kJ/kg, and when lime is wetted with water, it is 10.6 kJ/kg.

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Synthetic Data Generation for Steel Defect Detection and Classification Using Deep Learning

Cited by 90 publications

References 24 publications

Study of the Properties of Antifriction Rings under Severe Plastic Deformation

Study of the Properties of Antifriction Rings under Severe Plastic Deformation

Compaction Characteristics and Permeability of Expansive Shale Stabilized with Locally Produced Waste Materials

Improving the Durability of Lime Finishing Mortars by Modifying Them with Silicic Acid Sol

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