EXAMINATION OF SHIPPING PACKAGES 9975-01968, 9975-04353 AND 9975-06870

Daugherty, W.

Savannah River Site (S.C.)

关键词: Corrosion;    Lead;    Air;    36 Materials Science;    Stainless Steels;   

DOI  :  10.2172/979694
RP-ID  :  SRNL-STI-2010-00233
RP-ID  :  DE-AC09-08SR22470
RP-ID  :  979694

美国|英语

来源: UNT Digital Library

【 摘 要 】

Three 9975 shipping packages were examined to investigate the non-conforming condition of an axial air gap greater than 1 inch. This condition typically indicates the presence of excess moisture in the fiberboard overpack, and may be accompanied by degradation in the fiberboard properties. In the case of these three packages, no excess moisture was present, and the fiberboard was not visibly degraded. However, the lower fiberboard assembly from 9975-06870 was separated into two pieces. The lead shield from 9975-04353 was heavily corroded, while the shield from 9975-01968 had very little corrosion. In the case of 9975-06870, the shield was covered by a stainless steel sleeve, and the condition of the lead was not observed. No other conditions of concern were observed in these three packages.