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ASTM-G139:2011 Edition

ASTM-G139:2011 Edition

$40.63

G139-05(2011) Standard Test Method for Determining Stress-Corrosion Cracking Resistance of Heat-Treatable Aluminum Alloy Products Using Breaking Load Method

Published By Publication Date Number of Pages
ASTM 2011 10
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1.1 This test method covers procedures for evaluation of stress corrosion cracking (SCC) resistance by the breaking load test method, a concept which uses residual strength as the measure of damage evolution (in this case environmentally assisted cracking).

1.2 This test method covers specimen type and replication, test environment, stress levels, exposure periods, final strength determination, and statistical analysis of the raw residual strength data.

1.3 The test method was developed for use with heat-treatable aluminum alloys, that is, 2XXX alloys and 7XXX with 1.2 to 3.0 % Cu, and test specimens oriented in the short-transverse direction relative to grain structure (1, 2) . However, the residual strength measurements and the statistics used to analyze the data are not specific to heat-treatable aluminum alloys and can be used for other specimen orientations and different types of materials.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
Terminology
Summary of Test Method
2 Significance and Use
Interferences
Test Specimens
Exposure Procedure
3 Statistical Analysisā€”Box-Cox Transformation
FIG. 1
4 Interpretation of Results
5 Report
Precision and Bias
FIG. 2
FIG. 3
6 Keywords
FIG. 4
7 TABLE 1
FIG. 5
8 X1. SAMPLE CALCULATION FOR BOX-COX TRANSFORMATION
X1.1
X1.2 Summary
TABLE X1.1
TABLE X1.2
9 TABLE X1.3
TABLE X1.4
FIG. X1.1
10 REFERENCES

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