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Accelerators01:17

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Accelerators in concrete serve as admixtures to speed up the hardening process, enabling the concrete to achieve early strength faster. Although accelerators do not necessarily impact the time it takes concrete to set, they reduce this time in practice. A common accelerator is calcium chloride, which is particularly useful for hastening early strength development in cold weather or for rapid repair jobs that require quick heat generation after mixing.
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Characterization of Full Set Material Constants and Their Temperature Dependence for Piezoelectric Materials Using Resonant Ultrasound Spectroscopy
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Piezoelectric Accelerator.

O O Ivashchuk1, A V Shchagin2,3, A S Kubankin1,4

  • 1Belgorod National Research University, Belgorod, Russia.

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|November 9, 2018
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Summary

This study introduces a novel piezoelectric accelerator for charged particles. Mechanical compression of piezoelectric ceramics in vacuum generates X-ray radiation up to 60 keV, confirming particle acceleration.

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Area of Science:

  • Physics
  • Materials Science
  • Particle Accelerators

Background:

  • The piezoelectric effect describes the generation of electric charge in response to applied mechanical stress.
  • Vacuum environments are crucial for particle acceleration to prevent scattering and energy loss.

Purpose of the Study:

  • To propose and experimentally validate a compact piezoelectric accelerator for charged particles.
  • To investigate the generation of X-ray radiation from mechanically compressed piezoelectric ceramics in vacuum.

Main Methods:

  • Theoretical estimation of accelerating voltage and particle energy.
  • Experimental demonstration using piezoelectric ceramics subjected to mechanical compression in a vacuum.
  • Analysis of emitted X-ray radiation spectrum (characteristic and bremsstrahlung).

Main Results:

  • Successful demonstration of X-ray emission upon mechanical compression of piezoelectric ceramics in vacuum.
  • Observed X-ray energies up to 60 keV, indicating electron acceleration to at least this energy.
  • Experimental results align with theoretical calculations, validating the piezoelectric accelerator concept.

Conclusions:

  • The piezoelectric accelerator concept is feasible and validated by proof-of-principle experiments.
  • The device shows potential for compact, high-energy particle acceleration applications.
  • Further development could lead to novel applications in various scientific and technological fields.