Investigation of the relationship between the parameters of electric response to impact excitation of porous heterogeneous materials and variations in their strength under the conditions of cyclic freezing-defreezing

T. V. Fursa, A. P. Surzhikov

Research output: Contribution to journalArticle

Abstract

A decrease in the strength of cement-sand specimens due to cyclic alternating-sign temperature excitation is shown to yield a shift of the principal maximum and the entire spectrum of the electric response to an impact excitation towards lower frequencies, spectrum broadening, and deterioration of the spectral maxima quality factor.

Original languageEnglish
Pages (from-to)1-4
Number of pages4
JournalRussian Journal of Nondestructive Testing
Volume46
Issue number1
DOIs
Publication statusPublished - Jan 2010

Fingerprint

porous materials
Freezing
freezing
Deterioration
Cements
Sand
cements
deterioration
sands
excitation
Q factors
low frequencies
Temperature
shift
temperature

Keywords

  • Cyclic freezing-defreezing
  • Electromagnetic signal
  • Porous heterogeneous materials
  • Spectral characteristics
  • Strength

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • Condensed Matter Physics
  • Materials Science(all)

Cite this

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abstract = "A decrease in the strength of cement-sand specimens due to cyclic alternating-sign temperature excitation is shown to yield a shift of the principal maximum and the entire spectrum of the electric response to an impact excitation towards lower frequencies, spectrum broadening, and deterioration of the spectral maxima quality factor.",
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KW - Spectral characteristics

KW - Strength

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