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02:26 Nov-06-2002
ismail sarpun
experimetal setup

I want to establish a system which I can determine grain size. so is there anyone can help me?


 
04:38 Nov-07-2002
DJ Kallhof
Re: experimetal setup : I want to establish a system which I can determine grain size. so is there anyone can help me?
.
Polishing the material to a mirror finish, followed by a chemical etch, will reveal the grain sufficiently to observe with proper magnification. A permanent record may be obtained by replicating the surface. Respond back with the material you are working with.


 
05:21 Nov-07-2002

Scott Longstreet

NDT Inspector, Metallographer
Areospace,
USA,
Joined Apr 2002
5
Re: experimetal setup : : I want to establish a system which I can determine grain size. so is there anyone can help me?
: .
: Polishing the material to a mirror finish, followed by a chemical etch, will reveal the grain sufficiently to observe with proper magnification. A permanent record may be obtained by replicating the surface. Respond back with the material you are working with.
.
ASTM E8 Would be an excellent refernece guide!


 
06:29 Nov-07-2002
Scott Longstreet
Re: experimetal setup : I want to establish a system which I can determine grain size. so is there anyone can help me?
.
Soory, I meant to suggest ASTM E3 as a guide. For that matter, look into the many ASTM standars for help.


 


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