SYMPOSIA PAPER Published: 01 January 1992
STP19583S

The Breaking Load Method: Results and Statistical Modification from the ASTM Interlaboratory Test Program

Source

The breaking load test provides quantitative stress corrosion cracking data by determining the residual strength of tension specimens that have been exposed to corrosive environments. Eight laboratories have participated in a cooperative test program under the auspices of ASTM Committee G-1 to evaluate the new test method. All eight laboratories were able to distinguish between three tempers of aluminum alloy 7075. The statistical analysis procedures that were used in the test program do not work well in all situations. An alternative procedure using Box-Cox transformations shows a great deal of promise. An ASTM standard method has been drafted which incorporates the Box-Cox procedure.

Author Information

Colvin, EL
Alcoa Laboratories, Alcoa Center, PA
Emptage, MR
Alcoa Laboratories, Alcoa Center, PA
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Details
Developed by Committee: G01
Pages: 82–100
DOI: 10.1520/STP19583S
ISBN-EB: 978-0-8031-5195-6
ISBN-13: 978-0-8031-1435-7