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Surface Deformation and Change Science and Applications Traceability Matrix
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Surface Deformation and Change
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Surface Deformation and Change (SDC) Mission Architecture Study
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Surface Deformation and Change Near Term Science Activities
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Beyond NISAR: Exploring the Science and Applications of NASA’s Surface Deformation and Change (SDC) Mission
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Spatiotemporal Variations of Surface Deformation, Shallow Creep Rate, and Slip Partitioning Between the San Andreas and Southern Calaveras Fault
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Formation and breakdown of a protective layer of chromium sesquioxide on L-605 alloy at 1100 C
The formation and breakdown of a protective layer of Cr2O3 on the cobalt-base alloy L-605 during oxidation at 1100 C was evaluated. Deformed surface layers, pressure, and moisture were variables. Increasing surface deformation, decreasing pressure, and decreasing moisture increased time to breakdown. A model was deduced. The breakdown of the Cr2O3 layer was caused by a combination of growth stresses and volatilization. Breakdown exposed a chromium-depleted alloy to air, resulting in very rapid oxidation, which continued until consumption of the depletion zone was complete.