Abstract The article discusses the creation and testing of a hardware-software complex aimed at examining conductive paths on printed circuit boards. includes tiny eddy current transducer measuring system specifically designed to work with transducer. proposed system, which combines software hardware components, allows for examination small sections metal objects. It enables monitoring electrical conductivity determination distribution across object’s surface depth. provides detailed...

This work focuses on the nondestructive evaluation of specific conductive biomaterials that are currently widely used in biomedical field. The search for small metal objects embedded biological tissue is becoming an increasingly urgent task as medical and technologies improve. Small can penetrate human body during military operations, accidents, man-made natural disasters. study detection ability industrial magnetic field sensor to detect residual under study. purpose this develop test a...

Based on the review of current state and literature in field non-destructive examination thin metal films, it has been established that optimal method for studying thin-film structures terms performance/quality ratio is eddy method. The main principles constructing transducers are considered, design developed overhead transformer miniature transducer with a ferrite core electrical conductivity films described. structural diagram given algorithm operation hardware software complex described,...

For the study, researchers selected reinforcing material, along with effective strengthening methods for knives. These knives were intended to replace similar imported parts from MWS (Germany) on combines produced by Rostselmash plant LLC. During causes of dispersion blanks, wear in real operating conditions determined, optimizing charge materials obtaining hardening coatings described, material science studies containing resistance modifiers (B4C, WC). As an import-substituting coatings,...

The article examines the technology of crushed wood pelletizing from perspective computer simulation modeling. process fine raw material movement inside pelletizer during pressing was studied to identify particle motion characteristics. widespread use specialized software based on Discrete Element Method (DEM) for solving practical industrial tasks related bulk materials revealed. A functional digital model developed in Altair EDEM software, describing while accounting characteristics...

The eddy current transducer (ECT) of the transformer type is used to construct a sensor for investigating titanium sheets joined by welded joint. characteristics ECT are presented. measurement method controlling occurrence defects in joints alloys described. experimental results obtained on two depth penetration field currents into investigated object determined and dependences describing response at different depths defect outlined. relationships can be evaluating quality determining...

The paper puts forward a modified eddy current testing method based on the use of miniature transducers within localized controlled area material surface up to 50 μm 2 . Measurement results are provided for model composite made alternating conducting and dielectric layers system Al-HDPE-Al. Structural flaws specified as changes in number position sequence. Prospects proposed measuring device operating its basis flaw detection aluminum alloy materials shown.

The paper puts forward a modified eddy current testing method based on the use of miniature transducers within localized controlled area material surface up to 50 7 μm2. Measurement results are provided for model composite made alternating conducting and dielectric layers system Al-PAPER-Al. Structural flaws specified as changes in number position sequence. Prospects proposed measuring device operating its basis flaw detection aluminum alloy materials shown.

The eddy current transformer (EST) of the type is used to construct a sensor for investigating titanium sheets joined by welded joint. article provides key technical information about and describes methodology measurements that makes it possible control defects in welding seams alloys. It capable automatically changing filtering cutoff frequency operating device. designed measuring system eliminates main drawback transformers (the small area electromagnetic field), simultaneously...

Based on an eddy-current transducer (ECT), a probe has been designed to study the semiconductor material. The structural diagram of is given and basic technical data are stated (the number windings 10-130 turns, value initial permeability core μ max = 500). Due high confinement magnetic field, it possible acquire from small areas plates. Response versus ECT positioning also provided.

Structured sheet metals with regular bumps offer higher stiffness compared to smooth metals. They can be produced by a hydroforming process. The application of the structured metals, however, is inhibited lack knowledge for subsequent processing steps. In this paper, force and power requirements air bending are calculated Finite Element Simulation (FE) an analytical approach. first step, manufacturing process simulated in order predict exact geometry change material properties. Following,...

The measuring system based on subminiature eddy-current transducers is developed to carry out local investigations into aluminum-magnesium alloy plates with flaws. Delianna filter has been modified allow a significant increase in the signal-to-noise ratio. transducer tested number of paper presents data relationship between response and presence flaws alloys as hidden slots at signal frequencies ranging 300 700 Hz an exciting winding.

The research objective was the development of subminiature eddy-current transducer(ECT) designed for studying thin films. possibility electrical conductivity films metals as per amplitude transducer signal. A surface transformer type developed, and optimum shape size core number inductance coils turns in them were defined, this provides efficient localization electromagnetic field. On basis transducer, a software hardware complex developed to control (to generate alternating current various...

On the basis of eddy-current transducer (ECT) transformer type sensor has been developed. It allows exploring metal-insulator-metal, aluminum-magnesium alloy structure and titanium. Block diagram sensor, basic technical information were presented (the number 10-130 turns, value initial magnetic permeability core μmax=500). The scheme computer application as a generator receiver signals from windings considered. Measurements technique which high-precision control defects in composite...

Abstract The article considers the topical task of studying wear rate steel parts in course agricultural work. knives chopper-cum-spreaders used works is determined and compared with control samples. Within scope study, relative linear weight was being determined. results study dimensional parameters are given article. dependence on operating time zones various part A graphic illustration these dependencies provided. mechanism proposed. It established that it necessary to change design...

An important part of the process parts hardening by induction surfacing method is heating hard alloy particles and flux in charge mixture. The article describes comprehensive studies on measurement simulation temperatures at phase boundaries complex melting heat-sensitive powder mixtures. To record temperature process, it proposed to apply CA micro-thermocouple thermal indication using SHS compositions. developed methods for recording allow determine mixture its single components.

The measuring system based on subminiature eddy-current transducers has been developed to carry out local investigations of aluminum-magnesium alloy plates for flaws. Delianna filter modified allow the significant increase signal-to-noise ratio. A scheme that uses a computer as generator and receiver signals from windings is proposed. It capable automatically changing filtering cutoff frequency operating device. transducer tested number with article presents data relationship response...