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Testing of Welded and Machined A36 Steel T-Joint Configuration Specimens
Technical Paper
2019-01-0535
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
For this latest SAE Fatigue Design and Evaluation project, fatigue tests were run by loading, in bending, both welded and machined T-Joint specimens that have the same geometry. The test rig setup consisted of a horizontally mounted actuator, with pinned joints at both ends, where the load is applied to the top of the vertical leg of the “upside down T” of a T-Joint specimen, while the horizontal legs of the “upside down T” were clamped to the bedplate. Specimens were tested until failure or until the specimen was unable to carry the commanded load. They were cycled under constant amplitude (at several load levels and R ratios), block cycle, and variable amplitude loadings. Welded and machined T-Joint specimens of the same geometry were included in the test plan such that fatigue life predictions could be compared to test lives for each case. Those comparisons would demonstrate the methodology’s relative predictive ability to manage welds, residual stress, etc... Fatigue tests were successfully completed on thirty T-Joint specimens (seventeen welded and thirteen machined).
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Norton, E., Gales, C., Blodig, R., Lister, M. et al., "Testing of Welded and Machined A36 Steel T-Joint Configuration Specimens," SAE Technical Paper 2019-01-0535, 2019, https://doi.org/10.4271/2019-01-0535.Data Sets - Support Documents
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References
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- Norton , E. , Brown , H. , Cordes , T. , and Munson , K. Comparison of Total Fatigue Life Predictions of Welded and Machined A36 Steel T-Joints SAE Technical Paper 2019-01-0527 2019 10.421/2019-01-0527
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