Test method for assessing thermal mechanical fatigue performance of a test material
a test material and thermal mechanical fatigue technology, applied in the direction of material strength using repeated/pulsating forces, connection contact material, instruments, etc., can solve the problem of complex test cycle, and achieve the effect of simple and inexpensive implementation
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[0023]FIG. 1 depicts an embodiment of a test method for testing the thermal mechanical fatigue performance of a test material. The test method first includes preparing a test specimen 30 of the test material, step 20. The test material is preferably a nickel-base superalloy. As used herein, “nickel-base” means that the composition has more nickel present than any other element. The nickel-base superalloys are typically of a composition that is strengthened by the precipitation of gamma-prime phase or a related phase. The test material may instead be other metallic materials, a ceramic, or a combination of materials.
[0024]FIGS. 2-4 illustrate an embodiment of the test specimen 30. The test specimen 30 comprises a base 32, and at least one rib 34 extending outwardly from the base 32. As illustrated, the base 32 is a rectangular prism with two parallel ends 36 and four lateral faces 38. The rib 34 extends outwardly from one of the lateral faces 38.
[0025] The base 32 must have a much ...
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