Mechanical Failure

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Thermal Barrier Coating (TBC) Failure Modes

The Defense Systems Information Analysis Center (DSIAC) was asked to collect information and limited distribution reports on the failure modes and causes for failure of TBCs used in military aircraft turbine engines. It was determined…

Mean Time Between Unscheduled Removal (MTBUR) and Mean Time Between Distortions (MTBD) vs. Mean Time Between Failure (MTBF)

DSIAC was asked to provide some assessment on the general acceptance of using MTBUR and MTBD instead of MTBF, using “defect” instead of “failures.” DSIAC reached out to a reliability subject matter expert, who gave…