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John Rodgers  
Acoustic Emission Consulting, Inc.  
5000 San Juan Ave, Suite D  
Fair Oaks, CA 95628  

jr_aec@msn.com  


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Brown 3 SH SEM Creep damage inů
Acoustic Emission found activity during online conditions in SH link piping segments at Kentucky Utilities Brown #3 unit in 1997-98. One section was removed and investigated by EPRI. Sensitive phased array ultrasonics located indications in the area detected by AE monitoring. A 3" plug was sent to M&M Engineering (Austin, TX)for cryocracking analysis. This SEM photo at 5000x shows isolated early stage creep cavitation found in the weld centerline.
 







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Acoustic Emission Consulting, Inc.
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