Abstract

An essentially new method for non-destructive testing of elastic electrically conductive rods using non-vortex electromagnetic induction is proved theoretically. An experimental technique for defining a location of a cross crack is offered.

Highlights

  • Developing efficient and highly precise methods for diagnosing products is a relevant science task: non-destructive testing allows defining timely defects of elements of important constructions

  • The Shock Pulse Method is widely applied [3], which is based on using the connection between natural frequencies of elastic oscillation and physical mechanical properties of materials and products

  • Let us look at the task on longitudinal oscillation of vector component of a magnetic field, the scalar an electrically conductive rod in a SMF

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Summary

Introduction

Developing efficient and highly precise methods for diagnosing products is a relevant science task: non-destructive testing allows defining timely defects of elements of important constructions. The Shock Pulse Method is widely applied [3], which is based on using the connection between natural frequencies of elastic oscillation and physical mechanical properties of materials and products. A way to define a rode defect by analyzing the spectrum of fundamental frequencies is offered. R. [5] offered a method allowing defining the location of a crack in a rod by natural frequencies of longitudinal oscillation in their article. An essentially new method is offered, which lets define experimentally frequencies of the normal mode of a rod’s longitudinal oscillation and determine the location of a crack

Modeling of Processes and Theoretical Analysis
Transformation of Longitudinal Oscillation of a Rod into Electric Signals
22 E2π2 4ρ L2z q2
The Concept of the Experiment
Conclusion

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