Blunt notch fatigue crack initiation tests were carried out on 2.25 Cr – 1 Mo steel and 316L stainless steel in room temperature air and in the process solvent from the Wilsonville, Alabama coal liquefaction pilot plant at 100°C. The crack initiation lifetime in the coal liquids at 100°C was an order of magnitude greater than the crack initiation lifetime in air for the 2.25 Cr–1 Mo steel. The crack initiation lifetime in the coal liquids for the 316L stainless steel was increased a factor of five over the crack initiation lifetime in air. The improvement in crack initiation lifetime was attributed to the coal liquids shielding the materials from atmospheric embrittlement. The coal liquids did not show any tendency to form sulfide corrosion products at 100°C.
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October 1985
Research Papers
Effect of Coal Liquefaction Solvents on Fatigue Crack Initiation in 2 1/4 Cr-1 Mo Steel and 316L Stainless Steel
T. S. Gross,
T. S. Gross
Department of Metallurgical Engineering and Materials Science, University of Kentucky, Lexington, KY 40506-0046
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V. K. Mathews,
V. K. Mathews
Department of Metallurgical Engineering and Materials Science, University of Kentucky, Lexington, KY 40506-0046
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P. N. Kanga
P. N. Kanga
Department of Business Administation, University of Kentucky, Lexington, KY 40506
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T. S. Gross
Department of Metallurgical Engineering and Materials Science, University of Kentucky, Lexington, KY 40506-0046
V. K. Mathews
Department of Metallurgical Engineering and Materials Science, University of Kentucky, Lexington, KY 40506-0046
P. N. Kanga
Department of Business Administation, University of Kentucky, Lexington, KY 40506
J. Eng. Mater. Technol. Oct 1985, 107(4): 325-328 (4 pages)
Published Online: October 1, 1985
Article history
Received:
August 13, 1984
Online:
September 15, 2009
Citation
Gross, T. S., Mathews, V. K., and Kanga, P. N. (October 1, 1985). "Effect of Coal Liquefaction Solvents on Fatigue Crack Initiation in 2 1/4 Cr-1 Mo Steel and 316L Stainless Steel." ASME. J. Eng. Mater. Technol. October 1985; 107(4): 325–328. https://doi.org/10.1115/1.3225826
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The Stress Analysis of Cracks Handbook, Third Edition