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Technical Discussions
Don Bourque
Don Bourque
05:00 Jun-28-2002
7075-T6 Aluminum

I'm looking for the speed of sound in 7075-T6 Aluminum. I would like to get Shear wave, Longitudinal wave and Surface wave velocities if possible.


 
 Reply 
 
Ed Ginzel
R & D, -
Materials Research Institute, Canada, Joined Nov 1998, 1304

Ed Ginzel

R & D, -
Materials Research Institute,
Canada,
Joined Nov 1998
1304
08:45 Jun-28-2002
Re: 7075-T6 Aluminum
Don:
Dale Ensminger in his textbook published velocity for this aluminium as:
Long.=6350 m/s and Shear = 3100 m/s
(no surface wave value published).

However, discussions with Fred Hotchkiss in Panametrics indicated that some aluminiums may have anisotropy to deal with...

Ed


: I'm looking for the speed of sound in 7075-T6 Aluminum. I would like to get Shear wave, Longitudinal wave and Surface wave velocities if possible.
.



 
 Reply 
 
David Forsyth
R & D
TRI/Austin, USA, Joined Nov 2001, 41

David Forsyth

R & D
TRI/Austin,
USA,
Joined Nov 2001
41
05:51 Jul-04-2002
Re: 7075-T6 Aluminum
Ed is correct, anisotropy in grains due to manufacturing (rolling, extrusion, etc.) can cause measureable differences in velocity in the different directions w.r.t. the processing. I don't know the numbers for Al 7075 off hand. The temper (the T6) is not really important.

Dave.

: Don:
: Dale Ensminger in his textbook published velocity for this aluminium as:
: Long.=6350 m/s and Shear = 3100 m/s
: (no surface wave value published).
.
: However, discussions with Fred Hotchkiss in Panametrics indicated that some aluminiums may have anisotropy to deal with...
.
: Ed
.
:
: : I'm looking for the speed of sound in 7075-T6 Aluminum. I would like to get Shear wave, Longitudinal wave and Surface wave velocities if possible.
: .
.



 
 Reply 
 

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