A technical basis to relax the dew point specification for the environment in the vapor space in DWPF canisters

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Description

This memorandum establishes the technical basis to conclude that relaxing, from 0 C to 20 C, the dew point specification for the atmosphere in the vapor space (free volume) of a DWPF canister will not provide an environment that will cause significant amounts of corrosion induced degradation of the canister wall. The conclusion is based on engineering analysis, experience and review of the corrosion literature. The basic assumptions underlying the conclusion are: (1) the canister was fabricated from Type 304L stainless steel; (2) the corrosion behavior of the canister material, including base metal, fusion zones and heat effected zones, is ... continued below

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17 p.

Creation Information

Louthan, M.R. Jr. May 1, 1995.

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Description

This memorandum establishes the technical basis to conclude that relaxing, from 0 C to 20 C, the dew point specification for the atmosphere in the vapor space (free volume) of a DWPF canister will not provide an environment that will cause significant amounts of corrosion induced degradation of the canister wall. The conclusion is based on engineering analysis, experience and review of the corrosion literature. The basic assumptions underlying the conclusion are: (1) the canister was fabricated from Type 304L stainless steel; (2) the corrosion behavior of the canister material, including base metal, fusion zones and heat effected zones, is typified by literature data for, and industrial experience with, 300 series austenitic stainless steels; and (3) the glass-metal crevices created during the pouring operation will not alter the basic corrosion resistance of the steel although such crevices might serve as sites for the initiation of minor amounts of corrosion on the canister wall.

Physical Description

17 p.

Notes

INIS; OSTI as DE96001689

Source

  • Other Information: PBD: May 1995

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  • Other: DE96001689
  • Report No.: WSRC-TR--95-0222
  • Grant Number: AC09-89SR18035
  • DOI: 10.2172/119889 | External Link
  • Office of Scientific & Technical Information Report Number: 119889
  • Archival Resource Key: ark:/67531/metadc621032

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Creation Date

  • May 1, 1995

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • Feb. 10, 2016, 2:02 p.m.

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Louthan, M.R. Jr. A technical basis to relax the dew point specification for the environment in the vapor space in DWPF canisters, report, May 1, 1995; Aiken, South Carolina. (digital.library.unt.edu/ark:/67531/metadc621032/: accessed August 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.