A frictional properties test mechanism for an aircraft brake comprises a means for providing inertial rotary motion, a wheel element attached to the inertial rotary motion means, a means for effecting braking of the wheel element and including braking load receiving means, a means for creating oscillatory motion of the braking load receiving means, and a means for controlling the test mechanism and for data acquisition.
A thermal shock and thermal fatigue test method based on controlled irradiation heating of ceramics can be used to assess different high-tech ceramics intended to withstand severe thermal loads. Fully quantifiable results are used to compile statistical strength distributions and strength-probability-time plots. The setup can be used to proof test ceramic components under overload conditions to reduce the failure probability and assure the designed lifetime.
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