課程介紹
Pulsed Ultrasonic Experiments
The purpose of this experiment is familiarize the student with fundamental of elastic wave propagation and its applications on the characterization of material properties, and flaw structures, … etc ..
Equipment:
- PANAMETRICS Pulser / Receiver 5072 PR
- NI VirtualBench and Personal Computer
- longitudinal and shear wave transducers ( 2.5 MHz )
- Longitudinal and shear wave couplants.
--------------------------------------------------------------------------------------------------
Acoustoelastic Effect in Solids
The purpose of this experiment is to utilize acoustoelastic effect to measure the third order elastic constants of an isotropic material and to realize its application to stress measurement.
Equipment:
- Shimadzu Universal Testing Machine Autograph AG-10TA
- Ultrasonic pulse generator and receiver
- Longitudinal and shear wave transducers ( 5 MHz )
- Oscilloscope and time interval counter
--------------------------------------------------------------------------------------------------
Stress Analysis by Photoelasticity
To demonstrate the unique ability of photoelasticity to visually depict the stress distributions throughout a loaded structure. Further, this method will be used to get quantitative data for these loaded structures.
Equipment:
- Transmitted Light Polariscope
- Camera