ISSN: 1945-7553
CODEN: JTEVAB
Page Count: 6

Application of Analysis of Variance (ANOVA) Statistical Methods to Breaking Load Corrosion Test

Golinkin, IA
School of Materials Engineering, Purdue University, West Lafayette, IN

Ruff, DD
Purdue University, West Lafayette, IN

Kvam, EP
School of Materials Engineering, Purdue University, West Lafayette, IN

McCabe, GP
Purdue University, West Lafayette, IN

Grandt, AF
School of Aeronautics and Astronautics, Purdue University, West Lafayette, IN

(Received 6 June 1997; accepted 5 February 1997)

Abstract

The breaking load test was used for evaluating the effectiveness of a corrosion preventive compound to protect aluminum alloy 2024-T351 from stress corrosion cracking. This test determines the post-exposure fracture stress of smooth tensile coupons exposed to 3.5% NaCl alternate immersion while held at various stress levels. Three groups of specimens were examined: uncoated specimens, specimens coated before environmental exposure, and specimens coated after one day of exposure. Statistical procedures based on analysis of variance methods were used to analyze the data. This statistical methodology shows much promise as a general approach to analysis of breaking load test data.

Keywords:
breaking load test, analysis of variance, corrosion testing, stress corrosion cracking

Paper ID: JTE11496J
DOI: 10.1520/JTE11496J
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