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- since 1996 -

Materials Research Institute
Consulting to the NDT industry.
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Technical Discussions
Dr.Rajendran
R & D
MEPCO SCHLENK ENGINEERING COLLEGE, India, Joined Nov 2000, 3

Dr.Rajendran

R & D
MEPCO SCHLENK ENGINEERING COLLEGE,
India,
Joined Nov 2000
3
05:57 Nov-06-2000
high temperature ultrasonics materials characterisation


Dear Colleagues,

I would like to know the details of the high temperature experimental setup for ultrasonics materials characterisation.


 
 Reply 
 
Tom Nelligan
Engineering,
retired, USA, Joined Nov 1998, 390

Tom Nelligan

Engineering,
retired,
USA,
Joined Nov 1998
390
06:23 Nov-06-2000
Re: high temperature ultrasonics materials characterisation
:
: Dear Colleagues,

: I would like to know the details of the high temperature experimental setup for ultrasonics materials characterisation.

What is the temperature range over which you wish to work, what types of material are you testing, and what properties do you wish to examine? The answers to those questions will determine what equipment and techniques are appropriate.

You can find a basic introduction to ultrasonic material analysis on the Panametrics web site at:
www.panametrics.com/div_ndt/pages/theory/material.shtml

--Tom Nelligan




 
 Reply 
 
M. Kim Johnson
M. Kim Johnson
01:01 Nov-06-2000
Re: high temperature ultrasonics materials characterisation
: :
: : Dear Colleagues,

: : I would like to know the details of the high temperature experimental setup for ultrasonics materials characterisation.

You may wish to consider Resonant Ultrasound Spectroscopy for this application. It has been used succesfully for material characterization up to about 1800° C, although the accuracy decreases as the temperature increases. Please check the web site (http://www.quasarintl.com/ruspec/ruspec.html. We do not build high temperature fixtures, but can provide a description of how to do so or put you in tough with someone who gas built one.

M. Kim Johnson


 
 Reply 
 
Marvin Klein
Marvin Klein
03:40 Nov-07-2000
Re: high temperature ultrasonics materials characterisation
:
: Dear Colleagues,

: I would like to know the details of the high temperature experimental setup for ultrasonics materials characterisation.

If you are working at very high temperatures, laser ultrasonics allows characterization without contacting the sample. One good reference is "Laser Ultrasonics" by C. Scruby and L. Drain. You will also find some useful information on the Lasson web site (www.lasson.com).

Marvin Klein



 
 Reply 
 
Jan Verkooijen
Director,
Sonovation, Netherlands, Joined Nov 1998, 29

Jan Verkooijen

Director,
Sonovation,
Netherlands,
Joined Nov 1998
29
00:52 Nov-07-2000
Re: high temperature ultrasonics materials characterisation
You might be interested to know, that we have just completed a program of work
for detection and sizing of defects in welds at high temperature.
The highest temperature at which we performed an inspection was 400 degrees C
during the actual sitework. The process was fully validated on forehand up
to temperatures of 450 degrees C.
Thicknesses of the material varied from some 100 mm carbon steel to around 220 mm
in various configurations.

We will be placing some results on our website (www.sonovation.com) shortly.

Jan Verkooijen

:
: Dear Colleagues,

: I would like to know the details of the high temperature experimental setup for ultrasonics materials characterisation.




 
 Reply 
 
Dr.V.RAJENDRAN
R & D
MEPCO SCHLENK ENGINEERING COLLEGE, India, Joined Nov 2000, 3

Dr.V.RAJENDRAN

R & D
MEPCO SCHLENK ENGINEERING COLLEGE,
India,
Joined Nov 2000
3
01:25 Nov-07-2000
Re: high temperature ultrasonics materials characterisation
: You might be interested to know, that we have just completed a program of work
: for detection and sizing of defects in welds at high temperature.
: The highest temperature at which we performed an inspection was 400 degrees C
: during the actual sitework. The process was fully validated on forehand up
: to temperatures of 450 degrees C.
: Thicknesses of the material varied from some 100 mm carbon steel to around 220 mm
: in various configurations.

: We will be placing some results on our website (www.sonovation.com) shortly.

: Jan Verkooijen

: :
: : Dear Colleagues,

: : I would like to know the details of the high temperature experimental setup for ultrasonics materials characterisation.




 
 Reply 
 
Dr. V. RAJENDRAN
R & D
MEPCO SCHLENK ENGINEERING COLLEGE, India, Joined Nov 2000, 3

Dr. V. RAJENDRAN

R & D
MEPCO SCHLENK ENGINEERING COLLEGE,
India,
Joined Nov 2000
3
01:27 Nov-07-2000
Re: high temperature ultrasonics materials characterisation
: :
: : Dear Colleagues,

: : I would like to know the details of the high temperature experimental setup for ultrasonics materials characterisation.

: If you are working at very high temperatures, laser ultrasonics allows characterization without contacting the sample. One good reference is "Laser Ultrasonics" by C. Scruby and L. Drain. You will also find some useful information on the Lasson web site (www.lasson.com).

: Marvin Klein




 
 Reply 
 

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