ML042260351

Hearing 07/15/04 - Intervenor Exhibit a (Official Exhibit #56), Y. Yan, Et Al., Post-Quench Ductility Results for Zry-4 and M5 Oxidized at 1000 Degrees C and 1100 Degrees C - Rec'D 07/15/04

ML042260351
Person / Time
Site:	Catawba
Issue date:	01/31/2004
From:	Billone M, Burtseva T, Yan Y - No Known Affiliation
To:	Office of Nuclear Reactor Regulation
Byrdsong A T
References
50-413-0LA, 50-414-OLA, ASLBP 03-815-03-OLA, Catawba-Intervenor-56, RAS 8319
Download: ML042260351 (3)

Text

v^ fjt A, 1?5i R3/'q' Post-Quench Ductility Results for Zry-4 and M5 Oxidized at 1000C and 1100-C Y. Yan, T. Burtseva and MA. Billone January 31, 2004 DOCKETED USNRC August 9,2004 (11:45AM)

OFFICE OF SECRETARY RULEMAKINGS AND ADJUDICATIONS STAFF NUCLEAR REGULMORY COMMISSION Docket No. . q4#/V - OLficil Exh.No. 5_ _

In the matterf 7L[ __________

S_ IDENTIFIED 7/.8dit Applicant__ RECEIVED lutervenor v _ REJECTED Conrg Off'r -

Gontrador DATE Otbr_________ Wtns_______

31VG -o,30juWo OI13313f -'oaliu M1084Sj,

- P101110 - _ O ioul GIJ VI lem p ate sccy, 0 g8-

Table I Test Matrix for Oxidation of Samples for Post-Quench Ductility Tests. The times and ECR values listed correspond to those calculated using the Cathcart-Pawel weight gain correlation, a nominal wall thickness of 0.57 mm, and two-sided isothermal oxidation in steam. The relationship between ECR (%) and normalized weight gain (Aw in mg/cm 2 ) is ECR = 1.538 Aw for 0.57-mm-thick cladding.

Temperature ECR Equivalent Oxidation Time 0C  % S 1000 5 210 10 841 15 1892 17 2430 20 3364 1100 5 67 10 266 15 599 17 769 20 1065 1200 5 25 10 99 15 222 17 285 20 394 1260 5 14 10 58 15 130 17 167 20 231 3

Table 2 Weight Gain (Aw in mg/cm 2 ) and Measured ECR (%) Values for Zry-4 and M5 Oxidized in Steam at IOOOC. For Zry-4, ECR = 1.538 Aw, while for M5 ECR = 1.437 Aw because of its thicker wall (0.61 mm vs. 0.57 mm). Alloys were oxidized for the same ramp rate, hold time and cooldown rate for each nominal ECR value.

Cathcart-Pawel Material Measured Measured ECR, % Weight Gain ECR, %

(Aw), mg/cm2 5 Zry-4 3.9 6.1 4.7 M5 3.0 4.3 10 Zry-4 7.2 11.0 9.3 MS 5.3 7.6 15 Zry4 11.0 16.9 14.1 M5 7.4 10.7 17 Zry-4 12.5 19.3 16.0 M5 8.0 11.6 20 Zry-4 14.6 22.4 18.8 M5 9.2 13.3 p

[ 20.7* [ M5 8.6 [ 12.4

• Post-quench confirmation test sample generated at an equivalent time of z4100 s; note that the weight gain decreased from 9.3 to 8.6 mg/cm2 with the increase of 700 s in oxidation time. Both samples exhibited smooth, black oxide layers with no indication of spallation.

4