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Resonator for detection of the resonant frequencies of the solid specimens
By the resonator the elastic properties of the solid materials, e.g. the dynamic modulus of elasticity, can be quickly determined by the impact resonance method....
JN - Stavebnictví
- 2011 •
- Gfunk •
- Link
Rok uplatnění
Gfunk - Funkční vzorek
Výsledek na webu
Equipment for detection resonant frequencies of prismatic or cylindrical specimens
Using the new developed impact resonance method to the fast determination of elastic properties as the modulus of elasticity of prismatic or cylindrical specimens......
JN - Stavebnictví
- 2010 •
- Fuzit
Rok uplatnění
Fuzit - Užitný vzor
Using finite element method for the determination of elastic moduli by resonant ultrasound spectroscopy
Generally, all 21 elastic components of the elastic tensor can be determined by the resonant ultrasound spectroscopy. A solution procedure based on the finite element method is proposed. Theory, formulation and experiments....
JJ - Ostatní materiály
- 2004 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Resonant Ultrasound Spectroscopy of Single Crystals with Strong Magneto-elastic Attenuation
Elastic coefficients of single crystals of Ni-Mn-Ga alloy are measured by means of resonant ultrasound spectroscopy. For this material, the are complicated by strong magneto-elastic attenuation, whis is shown to be strongly...
BJ - Termodynamika
- 2008 •
- O
Rok uplatnění
O - Ostatní výsledky
Comparison of dynamic young's modulus of elasticity values measured by ultrasonic pulse and resonance methods
by resonance method. If dynamic Young's modulus of elasticity is converted to staticDynamic Young´s modulus of elasticity can be determined by ultrasonic pulse method and resonance method. Because of the differenc...
Civil engineering
- 2015 •
- D •
- Link
Rok uplatnění
D - Stať ve sborníku
Výsledek na webu
Analysis of nonlinear wave processes in an elastic resonator
of dispersion we studied possibilities of subharmonic generation in the elastic resonator.The paper deals with investigation of nonlinear wave processes in elastic tube resonators which are excited by a vibrating ...
BI - Akustika a kmity
- 2008 •
- D
Rok uplatnění
D - Stať ve sborníku
Determination of elastic properties of surface layers and coatings
This paper shows determination of elastic constants of thin layers deposited on substrates. Resonant ultrasound spectroscopy is used to measure resonant spectras before and after layer deposition. These two spectra are comp...
Electrical and electronic engineering
- 2014 •
- D •
- Link
Rok uplatnění
D - Stať ve sborníku
Výsledek na webu
Precise Evaluation of Elasticity from Ultrasonic Measurements
In this contribution, we decsribe the evaluation of elastic coefficients from resonant ultrasound spectroscopy (RUS) measurements. RUS method consists for the determination of material parameters (elastic components or thei...
BI - Akustika a kmity
- 2012 •
- O •
- Link
Rok uplatnění
O - Ostatní výsledky
Výsledek na webu
Sensitivity of the resonant ultrasound spectroscopy to weak gradients of elastic properties
The applicability of resonant ultrasound spectroscopy on materials with weak spatial gradients in elastic coefficients and density is analyzed. It is shown that such gradients do not affect measurably the resonant spectrum ...
BI - Akustika a kmity
- 2012 •
- Jx •
- Link
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Výsledek na webu
Elastic Modulus Determination of Cores of Concrete used for Evaluation of Influence of Curing Time on Final Concrete Quality
This article deals with the determination of the elastic modulus of concrete C 20/25. Authors determined dynamic modulus of elasticity (using the ultrasonic impulse method and the resonance method) and then the static modul...
JN - Stavebnictví
- 2012 •
- D
Rok uplatnění
D - Stať ve sborníku
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