Dr. Boris Muravin
Personal professional experience
Acoustic emission industrial applications (development and
implementation)
| Sector | Applications |
| Power industry | High energy piping on-line inspection. Deaerators. Boiler headers. Turbine components. Leak detection. Dynamic hanger assessment. |
| Oil, gas and chemical industries | Process piping. Gas lines. Pressure vessels. Storage tanks. Fractionators. Reactors. Glass-lined equipment. Heat exchangers. |
| Nuclear industry | Monitoring water cooling loops. |
| Civil structures | Reinforced concrete and metal bridges. Buildings, Tunnels, Concrete structures after fire, Landslide activity. |
| Airspace | Composite structures. Titanium alloy pressure vessels. |
| Military | Armor. Navy equipment. |
Material research and fracture mechanics
| Sector | Applications |
| Failure mechanisms | Crack interaction problems. Fatigue. Thermal shock. Creep. Stress corrosion cracking, hydrogen embrittlement, caustic corrosion. |
| Materials | Investigation of AE, mechanical and metallurgical properties of steels and alloys, different weld joints concrete, composites. |
| Flaw assessment | Numerical calculation of stress intensity factors, J integral values, etc. Remaining lifetime evaluation. |
| Computational fracture mechanics | Development of numerical methods for crack assessment. Static and dynamic problems of multiple crack interaction. Quasi-static and dynamic crack propagation analysis. |
Acoustic emission equipment and analysis methods
| Sector | Description |
| Multifunction AE devices | Definition of requirements and functionality of hardware and software. Algorithms for hit parameters calculation, development of advanced alarms and location methods. |
| Sensors | Sensors design, preamplifiers and signal/noise generators requirement and functionality definition. |
| Analysis method | Development and implementation of statistical data analysis methods including advanced hit detection techniques, data classification, etc. |
Acoustic emission training
| Sector | Description |
| University course | Non-destructive testing including Acoustic Emission Material and processes for NDT technology |
| Course | Practical course of Acoustic Emission Testing |
| Seminars | Acoustic Emission testing (fundamentals and applications) |
Acoustic emission standards
| Sector | Applications |
| Terminology | Development of standard Acoustic Emission terminology in ASTM (chairman of AE terminology in ASTM subcommittee on AE). |
| Steam piping examination | Preparation of standard procedure for inspection of steam piping systems during operation. |
| AE structural health monitoring | Preparation of standard for acoustic emission structural health monitoring. |