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Title: Residual Stress Testing of Outer 3013 Containers

Abstract

A Gas Tungsten Arc Welded (GTAW) outer 3013 container and a laser welded outer 3013 container have been tested for residual stresses according to the American Society for Testing Materials (ASTM) Standard G-36-94 [1]. This ASTM standard describes a procedure for conducting stress-corrosion cracking tests in boiling magnesium chloride (MgCl2) solution. Container sections in both the as-fabricated condition as well as the closure welded condition were evaluated. Significantly large residual stresses were observed in the bottom half of the as-fabricated container, a result of the base to can fabrication weld because through wall cracks were observed perpendicular to the weld. This observation indicates that regardless of the closure weld technique, sufficient residual stresses exist in the as-fabricated container to provide the stress necessary for stress corrosion cracking of the container, at the base fabrication weld. Additionally, sufficiently high residual stresses were observed in both the lid and the body of the GTAW as well as the laser closure welded containers. The stresses are oriented perpendicular to the closure weld in both the container lid and the container body. Although the boiling MgCl2 test is not a quantitative test, a comparison of the test results from the closure welds shows thatmore » there are noticeably more through wall cracks in the laser closure welded container than in the GTAW closure welded container.« less

Authors:
Publication Date:
Research Org.:
Savannah River Site (US)
Sponsoring Org.:
US Department of Energy (US)
OSTI Identifier:
821773
Report Number(s):
WSRC-TR-2002-00396
TRN: US0401019
DOE Contract Number:  
AC09-96SR18500
Resource Type:
Technical Report
Resource Relation:
Other Information: PBD: 12 Feb 2004
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; CONTAINERS; RESIDUAL STRESSES; STRESS CORROSION; MECHANICAL TESTS; WELDED JOINTS; GAS TUNGSTEN-ARC WELDING; LASER WELDING; CRACK PROPAGATION

Citation Formats

Dunn, K. Residual Stress Testing of Outer 3013 Containers. United States: N. p., 2004. Web. doi:10.2172/821773.
Dunn, K. Residual Stress Testing of Outer 3013 Containers. United States. doi:10.2172/821773.
Dunn, K. Thu . "Residual Stress Testing of Outer 3013 Containers". United States. doi:10.2172/821773. https://www.osti.gov/servlets/purl/821773.
@article{osti_821773,
title = {Residual Stress Testing of Outer 3013 Containers},
author = {Dunn, K},
abstractNote = {A Gas Tungsten Arc Welded (GTAW) outer 3013 container and a laser welded outer 3013 container have been tested for residual stresses according to the American Society for Testing Materials (ASTM) Standard G-36-94 [1]. This ASTM standard describes a procedure for conducting stress-corrosion cracking tests in boiling magnesium chloride (MgCl2) solution. Container sections in both the as-fabricated condition as well as the closure welded condition were evaluated. Significantly large residual stresses were observed in the bottom half of the as-fabricated container, a result of the base to can fabrication weld because through wall cracks were observed perpendicular to the weld. This observation indicates that regardless of the closure weld technique, sufficient residual stresses exist in the as-fabricated container to provide the stress necessary for stress corrosion cracking of the container, at the base fabrication weld. Additionally, sufficiently high residual stresses were observed in both the lid and the body of the GTAW as well as the laser closure welded containers. The stresses are oriented perpendicular to the closure weld in both the container lid and the container body. Although the boiling MgCl2 test is not a quantitative test, a comparison of the test results from the closure welds shows that there are noticeably more through wall cracks in the laser closure welded container than in the GTAW closure welded container.},
doi = {10.2172/821773},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2004},
month = {2}
}

Technical Report:

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