Synchronization testing device and testing method of thermal barrier performance and thermal shock performance of thermal barrier coating
A thermal barrier coating, synchronous testing technology, applied in measuring devices, material thermal analysis, instruments, etc., can solve the problem of single cooling method in thermal shock test test, thermal barrier performance of thermal barrier coating and thermal shock performance cannot be tested at the same time, etc. problem, to achieve the effect of effective evaluation of spraying effect, convenient test method and accurate test
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[0048] Example 1
[0049] The specific dimensions of the thermal barrier coating sample are: sample shape Φ60×120mm; 4 cooling holes Φ8×120mm, and the hole center is 9mm from the center of the sample. figure 2 Array distribution; 4 temperature measuring holes Φ8×80mm, the distance between the center of the temperature measuring hole and the sample center is 16mm, 28mm, 40mm and 52mm in sequence, press figure 2 Way of distribution.
[0050] Install the ceramic plug 3 on one end of the thermal barrier coating sample, and then install the sample on the push rod 5 of the feed mechanism so that the cooling hole of the sample corresponds to the cooling hole of the core pipe of the push rod 5 of the feed mechanism The positions are the same, and the thermocouple connected to the temperature recorder 6 is inserted into the sample temperature measuring holes 9, 12, 13, 16 through the core pipe of the feed mechanism push rod 5. Start the heating furnace 1, set the temperature of the heat...
Example Embodiment
[0052] Example 2
[0053] The difference between this embodiment and embodiment 1 is that the outer dimension of the thermal barrier coating sample is Φ48×120mm, the sample has 3 temperature measuring holes, the temperature measuring hole size is Φ8×80mm, and the hole center of the temperature measuring hole is away from the center of the sample. 16mm, 28mm, 40mm in turn, the positions of the temperature measuring holes figure 2 The location of temperature measuring holes 12, 13, 16 are distributed.
Example Embodiment
[0054] Example 3
[0055] The difference between this embodiment and the first embodiment is that the temperature of the heating furnace 1 is set to 1200°C, and the sample 4 stays in the heating furnace 1 for a set time of 10s; when the sample 4 is cooled to the temperature of 100°C required for the test, it is closed The sample coating surface cooling device 2 cools the sample 4 coating surface.
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