PRHTPower Retractable Hard Top
PRHTPower Retractable Hard Top (automobile)
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These measures were carried out on both as-repaired and PRHT samples.
Furthermore, the results showed that the postrepair heat treatment (PRHT) performed on samples had no effect on the hardness of the filling.
From the results of the tensile tests, both as-repaired and PRHT samples displayed a decay of the mechanical properties compared BM (both notched and unnotched 2024 samples).
The PRHT improved the yield strength of the repaired specimen by reducing residual stress.
The PRHT features safety sensors that let the driver know when the top latch is undone or when it's not fully stowed and, on a few occasions, I had the sensors triggering alarms that would not stop, forcing me to restart the engine to silence them.