Contact thermal resistance test method applied to GH4169/GH4169 high temperature alloy
A technology of GH4169 and contact thermal resistance, which is applied in the field of contact thermal resistance testing of GH4169/GH4169 high-temperature alloys, can solve the problems of complex testing process, fixed test conditions, and inability to provide timely and accurate material interface contact thermal conductivity data, etc., to achieve test The process is simple and the effect of simplifying the testing process
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[0121] In order to verify the correctness of the determined contact heat conduction model, a set of confirmatory tests were carried out, and the test results are shown in Table 9.
[0122] Table 9 confirmatory test data
[0123]
[0124]
[0125] (1) Using the established empirical formula of contact heat conduction: h s =0.1566T 0.371 P 2.061
[0126] When the temperature and pressure are applied at the same time, the data in Table 10 are calculated:
[0127] Table 10 Contact Thermal Conductivity Data
[0128]
[0129] (2) Using the established empirical formula of contact heat conduction: h s =0.5013P 2.18
[0130] When only the influence of pressure is considered, the data in Table 11 are calculated:
[0131] Table 11 Contact Thermal Conductivity Data
[0132]
[0133] Through the above examples, it can be concluded that the test method provided by the present invention can directly bring the temperature and pressure data into the formula under the cond...
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