ML20141K082

Discusses Brittle Failure Questions Raised at 57th ACRS Meeting Concerning Plant

ML20141K082
Person / Time
Site:	Oyster Creek, La Crosse, Crane
Issue date:	09/03/1964
From:	Fraley F Advisory Committee on Reactor Safeguards
To:	Kouts J Advisory Committee on Reactor Safeguards
Shared Package
ML20091A092	List: IA-91-282, Forwards Written Statement Submitted by Sp Russo for ECCS Subcommittee Meeting on 770129,for Info.W/O Encl ML20141K026 ML20141K047 ML20141K056 ML20141K063 ML20141K066 ML20141K070 ML20141K076 ML20141K082 ML20141K091 ML20141K095 ML20141K121 ML20141K137 ML20141K141 ML20141K153 ML20141K163 ML20141K175 ML20141K185 ML20141K190 ML20141K359 ML20141K365 ML20141K368 ML20141K372 ML20141K375 ML20141K379 ML20141K382 ML20141K386 ML20141K390 ML20141K395 ML20141K398 ML20141K402 ML20141K406 ML20141K408 ML20141K415 ML20141K418 ML20141K423 ML20141K426 ML20141K432 ML20141K436 ML20141K441 ML20141K618 ML20141K620 ML20141K625 ML20141K626 ML20141K630 ML20141K633 ML20141K635 ML20141K637 ML20141K641 ML20141K643 ... further results
References
FOIA-91-282 NUDOCS 9203180355
Download: ML20141K082 (2)

Text

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Dr. E. J. C. Kawtv, acin8 Chairusa Septeuter l

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a F. Fysley, awentin asentary

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aans MITTLE FAILURE 518811058 NEATED 50 m #1NTER MBE AED SE IA SM m

At the $7th ACR5 meeting genetiens sore animma comeowstag the i

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1) MDt shift in the Dyster Creek remeter veesti eering the life of the plaat.

2) Nt of the esseats===t shall at the la dresse mailtag Mater ammeter.

I menticend the first gesetten te 3. Sese na peu sugested ama he wested that leuvia Gashe review the prehlen, tryta appanntly /2 A te discuas his -1=aiens wish are as fallese.

==1'.24 em NRL esta (9 toe ML Boport 59th, htet esteher as, 1963 - 41stributed Acas meeseher 4,1963.) for A3005 steal irrediated at 5b08 F ama ahow $mitentes a maximm== But n' lft of 100-1508 F ser an estposers a

1 of 10 9 met. En does met eensteer the M serwe applisable simw they am based en semples irradiated at 400-900* F amt sesdd, there.

fore, sin a larger Wf shift for em equivalent surposers. She Dyster Creek vessel etil operste at a toeparature of abset 54)e F (maturstian temp.at1000 poi). Es has someleted, thuroftsre, that the Wf shift will penbah1; est presamt a problem ik the Jeeeey fr.ataal rameter.

This eenelusion te, of seeree, hamma en a "bmek at the esvelope" type evaluatten and some vether skimyy irrediation esta in the eritical mae. of intems (300-pos r).

Ic any event, the applicant te apparently aunas of this problem est acoceding to Gashe > to tastall surwillemos specimene la the vesecA to hoeg smak tf its esanitica.

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-In rosard to the apt of the sa creses mestaineest, I how cheehed ths BR stich states that the ester surface of the shall thet is aheve trill be severed with 2 inshRs of Phanglass inesisties plae a 2 task layer af Glasfish te provset aseensively se14 toegeretieres g(. y

'hmtIMmy steel eering en14 sosther. %$ne report states further

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, that "the operating tempenstano amt vessel emotility will be esme14eseN*..

ta the eeatan to mese that the eseemt====t shan v111 respesa la a% $

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DEKOK91-282 PDR

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Dr. W. J. C. Kouta 2-Septanter 3, @

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his problem was discussed spectriaalir la a supplausset to the M

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d, Emmasta Analysis, dated pobruary 1,1963, ter the sometsution 5

pamatt bearing. A w is attaehod for your interunties.

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It appears tJamt nis problem has bem reenpaised met will he headiat $d-.

adeguntely at the la C43see beseter.

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Attaahment Dupplement to haania Analysis by MAR re Increase Bellias tenwr hoactor,dtdR/1/63.

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