ML20004E466

Investigation of LP Turbine Disc Cracking,Salem Unit 1, Keyway Crack Size & Shape.

ML20004E466
Person / Time
Site:	Salem
Issue date:	03/26/1981
From:	SOUTHWEST RESEARCH INSTITUTE
To:
Shared Package
ML18086A666	List: ML18086A665 ML20004E466
References
02-6373-002, 2-6373-2, NUDOCS 8106120228
Download: ML20004E466 (5)

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ATTACHIENT B SOUTHWEST RESE ARCH INSTITUTE POST OFFICE DR AwEm 286t0 522e CULEGR A ROAD SAN ANTONIO. TEM AS 79284 45123 004 511t SwRI PROJECT 02-6373 INVESTIGATION OF LP TURBINE DISC CRACKING SALEM UNIT 1 .

l KEYWAY CRACK SIZE AND SHAPE 1

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ATTACllMENT C .

IlEINSPECTION TIME FOR LP TURBINE DISCS - SALEM NUCLEAll GENEltATING STATION - 112% OVERSPEED KEYWAY NO. DISC NO. CRACK LENGTil CRACK GROWTl! REINSPEC. TIME KEYWA

.P. NO. INCllES RATE MONTliS TEMP DA/DT og IN/MO CRITICAL MEASURED X10-2 UT INDICATED ACTUAL 11 2 2 2.62 .290 - 2,10 22.9 299 g

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1.23 34.2 NOTE: REVISED CALCULATIONS ARE BASED ON NEW DATA RECEIVED FROM WESTINGilOUSE WITl! Ti!EIR FEBRUARY 26, 1981 LETTER AND ACTUAL CRACK SIZES FROM SOUTIIWEST BESEARCli

• REMOVED DURING FALL, 1980 OUTAGE R. A. Demareski Revision 3 4-3-81

. }.1 ATTACIMENT B SOUTHWEST RESE ARCH INSTITUTE f )S T OF FICE DR AW'.R 28610 6220 CULEBR A RO AD S AN ANTONIO. tex AS 78284 6612)664-6111 SwRI PROJECT 02-6373 IfWESTIGATION OF LP TURBINE DISC CRACKING SALEM UNIT 1 .

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