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Article
Scab Removal from Hot-Rolled Steel by Metallic Brushes
Scab formation in hot rolling is investigated. A prototype apparatus for scab removal by metal brushes is developed; the corresponding operating conditions are determined. A system is manufactured for the remo...
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Article
Improvement of Hot Rolling Technology to Reduce the “Rolled-in Scale” Defect
Based on the results of the published literature and production experience, technical and technological measures were developed and implemented to reduce the «rolled-in scale» defect: collectors with water des...
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Article
Cutting Force during Face Milling of a Coarse- and Ultrafine-Grained VT6 Titanium Alloy
Abstract—The results of an experiment on the face milling of a VT6 titanium alloy and an ultrafine-grained (UFG) VT6 titanium alloy fabricated by equal-channel angular pressing are analyzed. The technology of pro...
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Article
Technological Support for the Uniformity of Plastic Deformation during Thermal-Force Treatment
Abstract—The problems of ensuring the uniformity of axial deformation distribution during the tension of cylindrical workpieces using a new technique for estimating deformation localization are considered. This e...
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Article
The Biocidal Action of Amines Containing gem-Dichlorocyclopropane or Dioxolane Fragments
The biocidal effect of corrosion inhibitors, secondary amines with a gem-dichlorocyclopropane or 1,3-dioxolane fragment, has been estimated. A technique has been selected based on the use of Easy Combi slide test...
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Article
Effect of the Temperature–Speed Hot-Rolling Conditions on Scale Formation
The influence of the parameters of a through technology on a rolled-in scale defect is analyzed. To study the influence of the temperature behind stand no. 6 of the 2000 hot-rolling mill in sheet rolling shop ...
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Article
Modeling of the Thermal Processes in the Roll Fittings Rolls in Section Mills
A model for the heat exchange of roll fittings rolls with a rolled piece and cooling water is considered. This thermal model can be used to determine the temperature of the rolls both in their volume and on th...
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Article
Influence of the Hydrodynamics of Electrolyte Flow on the Surface Quality in Electrochemical Machining
The hydrodynamics of the electrolyte in the electrode gap is considered in the electrochemical machining of an axisymmetric workpiece. The distribution of the mean flow rates and streamlines is calculated for ...
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Article
Life of Slip Bearings in the Supporting Roller System of Section Rolling Mills
A new bearing is proposed for the input roller system in stands of the 170 section rolling mill at PAO MMK. A model of slip-bearing wear establishes the influence of the bearing parameters, the functional char...
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Article
Study of Metal Coatings Deposited by Rotating Wire Tool
Environmentally friendly wear-resistant coatings deposited by a developed rotating flexible tool (metal wire brush) form a layer without visible boundaries inside the coating with a thickness of 3–7 μm. Durome...
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Article
Surface Modification by a Flexible Tool. 2. Practical Use of Coating Application by Rotary Wire Brushes
The influence of various factors on the strengthening, restoration and strengthening of metal surfaces by frictional cladding is investigated. Applying electric current intensifies the process. The coating thi...
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Article
Surface Modification by a Flexible Tool. 1. Plastic Surface Deformation and Simultaneous Coating Application by Rotating Wire Brushes
The machining of metal surfaces and the application of functional coatings by means of a flexible tool (a rotating wire brush) is considered. Frictional cladding may be applied on metal-cutting machines by mea...
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Article
Manufacturing Technology Improvement of Technology and Equipment for Preparing Steel-Copper Wire
New technology and equipment developed from the results of research work are created for producing bimetallic wire. A feature of the new technology is production of bimetallic wire by passing a steel core thro...
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Article
Reduction of Salt Deposits on the Surface of Oilfield Equipment by Management of Electrochemical Parameters of the Medium
Corrosion activity of the environment is caused by the presence in it of salt ions that are directly involved in the corrosion process causing deposition of inorganic salts on the surface of the equipment. Rem...
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Article
Method of Controlling Electrochemical Parameters of Oil Industry Processing Liquids
A method is considered for combatting corrosion breakdown of oil industry equipment based on changing the main characteristics of medium corrosion activity, i.e., pH and redox potential.
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Article
Detection of propeptides of AlpA and AlpB lytic endopeptidases from Lysobacter sp. XL1 by the sandwich enzyme immunoassay based on monoclonal antibodies
Extracellular lytic endopeptidases AlpA and AlpB of the Gram-negative bacterium Lysobacter sp. XL1 have a high degree of homology and are synthesized as preproproteins consisting of a signal peptide, a propeptide...
