Ultrasonic characterization of porosity using the Kramers-Kronig relations
Conference
·
OSTI ID:5323697
A new algorithm is proposed to determine the volume fraction of pores in solids using the frequency dependent ultrasonic attenuation. The algorithm was developed by examining the Kramers-Kronig relation between the porosity induced ultrasonic attenuation and the change in sound velocity. The method is tested using data measured for several porous aluminum samples.
- Research Organization:
- Ames Lab., IA (USA); Ohio State Univ., Columbus (USA). Dept. of Welding Engineering
- DOE Contract Number:
- W-7405-ENG-82
- OSTI ID:
- 5323697
- Report Number(s):
- IS-M-561; CONF-8506125-7; ON: DE85017346
- Country of Publication:
- United States
- Language:
- English
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