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INSTRUMENTS AND SYSTEMS FOR NON-DESTRUCTIVE TESTING OF MATERIALS.

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Technical Discussions
allen whittick
allen whittick
06:04 Feb-07-2001
Re: reflection of the (ultra)sound waves
><: I'm looking for the information about reflections of (ultra)sound waves from soft (e.g. human body or soft polymers), respectively hard (e.g. wood) materials. In particular:
: 1. Differences in the changes of the wave attenuation and/or velocity upon reflection from hard material compared to the reflection from the soft material.
: 2. Is there a material dependent wavelength intervall where these differences are particularly large?
: 3. Where to find theoretical description of these changes?
: 4. Where to find material constants enabling to evaluate these changes?
: Will appreciate your response
: Best regards
: Anatol Krozer




    
 
 
Anatol Krozer
R & D, project manager
Imego Institute, Sweden, Joined Oct 1999, 2

Anatol Krozer

R & D, project manager
Imego Institute,
Sweden,
Joined Oct 1999
2
08:02 Feb-23-2000
reflection of the (ultra)sound waves

I'm looking for the information about reflections of (ultra)sound waves from soft (e.g. human body or soft polymers), respectively hard (e.g. wood) materials. In particular:
1. Differences in the changes of the wave attenuation and/or velocity upon reflection from hard material compared to the reflection from the soft material.
2. Is there a material dependent wavelength intervall where these differences are particularly large?
3. Where to find theoretical description of these changes?
4. Where to find material constants enabling to evaluate these changes?
Will appreciate your response
Best regards
Anatol Krozer


    
 
 
katie
katie
06:50 Aug-13-2001
Re: reflection of the (ultra)sound waves
: I'm looking for the information about reflections of (ultra)sound waves from soft (e.g. human body or soft polymers), respectively hard (e.g. wood) materials. In particular:
: 1. Differences in the changes of the wave attenuation and/or velocity upon reflection from hard material compared to the reflection from the soft material.
: 2. Is there a material dependent wavelength intervall where these differences are particularly large?
: 3. Where to find theoretical description of these changes?
: 4. Where to find material constants enabling to evaluate these changes?
: Will appreciate your response
: Best regards
: Anatol Krozer
hellbohmn,mn,mn



    
 
 

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